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fuchsia / third_party / github.com / Kitware / CMake / refs/heads/release / . / Source / cmLocalGenerator.cxx
blob: d38ed5058ad447e8f346c55b2ff374a0ec50e1b8 [file] [log] [blame]
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmLocalGenerator.h"
#include <algorithm>
#include <array>
#include <cassert>
#include <cctype>
#include <cstdio>
#include <cstdlib>
#include <initializer_list>
#include <iterator>
#include <sstream>
#include <type_traits>
#include <unordered_set>
#include <utility>
#include <vector>
#include <cm/memory>
#include <cm/optional>
#include <cm/string_view>
#include <cmext/algorithm>
#include <cmext/string_view>
#include "cmsys/RegularExpression.hxx"
#include "cmAlgorithms.h"
#include "cmComputeLinkInformation.h"
#include "cmCryptoHash.h"
#include "cmCustomCommand.h"
#include "cmCustomCommandGenerator.h"
#include "cmCustomCommandLines.h"
#include "cmCustomCommandTypes.h"
#include "cmGeneratedFileStream.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorExpressionEvaluationFile.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGenerator.h"
#include "cmInstallGenerator.h"
#include "cmInstallScriptGenerator.h"
#include "cmInstallTargetGenerator.h"
#include "cmLinkLineComputer.h"
#include "cmLinkLineDeviceComputer.h"
#include "cmList.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmRange.h"
#include "cmRulePlaceholderExpander.h"
#include "cmSourceFile.h"
#include "cmSourceFileLocation.h"
#include "cmSourceFileLocationKind.h"
#include "cmStandardLevelResolver.h"
#include "cmState.h"
#include "cmStateDirectory.h"
#include "cmStateTypes.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmTestGenerator.h"
#include "cmValue.h"
#include "cmVersion.h"
#include "cmake.h"
#if defined(__HAIKU__)
# include <FindDirectory.h>
# include <StorageDefs.h>
#endif
// List of variables that are replaced when
// rules are expanded. These variables are
// replaced in the form <var> with GetSafeDefinition(var).
// ${LANG} is replaced in the variable first with all enabled
// languages.
static auto ruleReplaceVars = { "CMAKE_${LANG}_COMPILER",
"CMAKE_SHARED_LIBRARY_CREATE_${LANG}_FLAGS",
"CMAKE_SHARED_MODULE_CREATE_${LANG}_FLAGS",
"CMAKE_SHARED_MODULE_${LANG}_FLAGS",
"CMAKE_SHARED_LIBRARY_${LANG}_FLAGS",
"CMAKE_${LANG}_LINK_FLAGS",
"CMAKE_SHARED_LIBRARY_SONAME_${LANG}_FLAG",
"CMAKE_${LANG}_ARCHIVE",
"CMAKE_AR",
"CMAKE_CURRENT_SOURCE_DIR",
"CMAKE_CURRENT_BINARY_DIR",
"CMAKE_RANLIB",
"CMAKE_MT",
"CMAKE_TAPI",
"CMAKE_CUDA_HOST_COMPILER",
"CMAKE_CUDA_HOST_LINK_LAUNCHER",
"CMAKE_HIP_HOST_COMPILER",
"CMAKE_HIP_HOST_LINK_LAUNCHER",
"CMAKE_CL_SHOWINCLUDES_PREFIX" };
cmLocalGenerator::cmLocalGenerator(cmGlobalGenerator* gg, cmMakefile* makefile)
: cmOutputConverter(makefile->GetStateSnapshot())
, DirectoryBacktrace(makefile->GetBacktrace())
{
this->GlobalGenerator = gg;
this->Makefile = makefile;
this->AliasTargets = makefile->GetAliasTargets();
this->EmitUniversalBinaryFlags = true;
this->BackwardsCompatibility = 0;
this->BackwardsCompatibilityFinal = false;
this->ComputeObjectMaxPath();
// Canonicalize entries of the CPATH environment variable the same
// way detection of CMAKE_<LANG>_IMPLICIT_INCLUDE_DIRECTORIES does.
{
std::vector<std::string> cpath;
cmSystemTools::GetPath(cpath, "CPATH");
for (std::string const& cp : cpath) {
if (cmSystemTools::FileIsFullPath(cp)) {
this->EnvCPATH.emplace_back(cmSystemTools::CollapseFullPath(cp));
}
}
}
std::vector<std::string> enabledLanguages =
this->GetState()->GetEnabledLanguages();
if (cmValue sysrootCompile =
this->Makefile->GetDefinition("CMAKE_SYSROOT_COMPILE")) {
this->CompilerSysroot = *sysrootCompile;
} else {
this->CompilerSysroot = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT");
}
if (cmValue sysrootLink =
this->Makefile->GetDefinition("CMAKE_SYSROOT_LINK")) {
this->LinkerSysroot = *sysrootLink;
} else {
this->LinkerSysroot = this->Makefile->GetSafeDefinition("CMAKE_SYSROOT");
}
// OSX SYSROOT can be required by some tools, like tapi
{
cmValue osxSysroot = this->Makefile->GetDefinition("CMAKE_OSX_SYSROOT");
this->VariableMappings["CMAKE_OSX_SYSROOT"] =
osxSysroot.IsEmpty() ? "/" : this->EscapeForShell(*osxSysroot, true);
}
if (cmValue appleArchSysroots =
this->Makefile->GetDefinition("CMAKE_APPLE_ARCH_SYSROOTS")) {
std::string const& appleArchs =
this->Makefile->GetSafeDefinition("CMAKE_OSX_ARCHITECTURES");
cmList archs(appleArchs);
cmList sysroots{ appleArchSysroots, cmList::EmptyElements::Yes };
if (archs.size() == sysroots.size()) {
for (cmList::size_type i = 0; i < archs.size(); ++i) {
this->AppleArchSysroots[archs[i]] = sysroots[i];
}
} else {
std::string const e =
cmStrCat("CMAKE_APPLE_ARCH_SYSROOTS:\n ", *appleArchSysroots,
"\n"
"is not the same length as CMAKE_OSX_ARCHITECTURES:\n ",
appleArchs);
this->IssueMessage(MessageType::FATAL_ERROR, e);
}
}
for (std::string const& lang : enabledLanguages) {
if (lang == "NONE") {
continue;
}
this->Compilers["CMAKE_" + lang + "_COMPILER"] = lang;
this->VariableMappings["CMAKE_" + lang + "_COMPILER"] =
this->Makefile->GetSafeDefinition("CMAKE_" + lang + "_COMPILER");
std::string const& compilerArg1 = "CMAKE_" + lang + "_COMPILER_ARG1";
std::string const& compilerTarget = "CMAKE_" + lang + "_COMPILER_TARGET";
std::string const& compilerOptionTarget =
"CMAKE_" + lang + "_COMPILE_OPTIONS_TARGET";
std::string const& compilerExternalToolchain =
"CMAKE_" + lang + "_COMPILER_EXTERNAL_TOOLCHAIN";
std::string const& compilerOptionExternalToolchain =
"CMAKE_" + lang + "_COMPILE_OPTIONS_EXTERNAL_TOOLCHAIN";
std::string const& compilerOptionSysroot =
"CMAKE_" + lang + "_COMPILE_OPTIONS_SYSROOT";
this->VariableMappings[compilerArg1] =
this->Makefile->GetSafeDefinition(compilerArg1);
this->VariableMappings[compilerTarget] =
this->Makefile->GetSafeDefinition(compilerTarget);
this->VariableMappings[compilerOptionTarget] =
this->Makefile->GetSafeDefinition(compilerOptionTarget);
this->VariableMappings[compilerExternalToolchain] =
this->Makefile->GetSafeDefinition(compilerExternalToolchain);
this->VariableMappings[compilerOptionExternalToolchain] =
this->Makefile->GetSafeDefinition(compilerOptionExternalToolchain);
this->VariableMappings[compilerOptionSysroot] =
this->Makefile->GetSafeDefinition(compilerOptionSysroot);
for (std::string replaceVar : ruleReplaceVars) {
if (replaceVar.find("${LANG}") != std::string::npos) {
cmSystemTools::ReplaceString(replaceVar, "${LANG}", lang);
}
this->VariableMappings[replaceVar] =
this->Makefile->GetSafeDefinition(replaceVar);
}
}
}
std::unique_ptr<cmRulePlaceholderExpander>
cmLocalGenerator::CreateRulePlaceholderExpander() const
{
return cm::make_unique<cmRulePlaceholderExpander>(
this->Compilers, this->VariableMappings, this->CompilerSysroot,
this->LinkerSysroot);
}
cmLocalGenerator::~cmLocalGenerator() = default;
void cmLocalGenerator::IssueMessage(MessageType t,
std::string const& text) const
{
this->GetCMakeInstance()->IssueMessage(t, text, this->DirectoryBacktrace);
}
void cmLocalGenerator::ComputeObjectMaxPath()
{
// Choose a maximum object file name length.
#if defined(_WIN32) || defined(__CYGWIN__)
this->ObjectPathMax = 250;
#else
this->ObjectPathMax = 1000;
#endif
cmValue plen = this->Makefile->GetDefinition("CMAKE_OBJECT_PATH_MAX");
if (cmNonempty(plen)) {
unsigned int pmax;
if (sscanf(plen->c_str(), "%u", &pmax) == 1) {
if (pmax >= 128) {
this->ObjectPathMax = pmax;
} else {
std::ostringstream w;
w << "CMAKE_OBJECT_PATH_MAX is set to " << pmax
<< ", which is less than the minimum of 128. "
<< "The value will be ignored.";
this->IssueMessage(MessageType::AUTHOR_WARNING, w.str());
}
} else {
std::ostringstream w;
w << "CMAKE_OBJECT_PATH_MAX is set to \"" << *plen
<< "\", which fails to parse as a positive integer. "
<< "The value will be ignored.";
this->IssueMessage(MessageType::AUTHOR_WARNING, w.str());
}
}
this->ObjectMaxPathViolations.clear();
}
static void MoveSystemIncludesToEnd(std::vector<std::string>& includeDirs,
const std::string& config,
const std::string& lang,
const cmGeneratorTarget* target)
{
if (!target) {
return;
}
std::stable_sort(
includeDirs.begin(), includeDirs.end(),
[&target, &config, &lang](std::string const& a, std::string const& b) {
return !target->IsSystemIncludeDirectory(a, config, lang) &&
target->IsSystemIncludeDirectory(b, config, lang);
});
}
static void MoveSystemIncludesToEnd(std::vector<BT<std::string>>& includeDirs,
const std::string& config,
const std::string& lang,
const cmGeneratorTarget* target)
{
if (!target) {
return;
}
std::stable_sort(includeDirs.begin(), includeDirs.end(),
[target, &config, &lang](BT<std::string> const& a,
BT<std::string> const& b) {
return !target->IsSystemIncludeDirectory(a.Value, config,
lang) &&
target->IsSystemIncludeDirectory(b.Value, config, lang);
});
}
void cmLocalGenerator::TraceDependencies() const
{
// Generate the rule files for each target.
const auto& targets = this->GetGeneratorTargets();
for (const auto& target : targets) {
if (!target->IsInBuildSystem()) {
continue;
}
target->TraceDependencies();
}
}
void cmLocalGenerator::GenerateTestFiles()
{
if (!this->Makefile->IsOn("CMAKE_TESTING_ENABLED")) {
return;
}
// Compute the set of configurations.
std::vector<std::string> configurationTypes =
this->Makefile->GetGeneratorConfigs(cmMakefile::OnlyMultiConfig);
std::string config = this->Makefile->GetDefaultConfiguration();
std::string file =
cmStrCat(this->StateSnapshot.GetDirectory().GetCurrentBinary(),
"/CTestTestfile.cmake");
cmGeneratedFileStream fout(file);
fout.SetCopyIfDifferent(true);
fout << "# CMake generated Testfile for \n"
"# Source directory: "
<< this->StateSnapshot.GetDirectory().GetCurrentSource()
<< "\n"
"# Build directory: "
<< this->StateSnapshot.GetDirectory().GetCurrentBinary()
<< "\n"
"# \n"
"# This file includes the relevant testing commands "
"required for \n"
"# testing this directory and lists subdirectories to "
"be tested as well.\n";
std::string resourceSpecFile =
this->Makefile->GetSafeDefinition("CTEST_RESOURCE_SPEC_FILE");
if (!resourceSpecFile.empty()) {
fout << "set(CTEST_RESOURCE_SPEC_FILE \"" << resourceSpecFile << "\")\n";
}
cmValue testIncludeFile = this->Makefile->GetProperty("TEST_INCLUDE_FILE");
if (testIncludeFile) {
fout << "include(\"" << *testIncludeFile << "\")\n";
}
cmValue testIncludeFiles = this->Makefile->GetProperty("TEST_INCLUDE_FILES");
if (testIncludeFiles) {
cmList includesList{ *testIncludeFiles };
for (std::string const& i : includesList) {
fout << "include(\"" << i << "\")\n";
}
}
// Ask each test generator to write its code.
for (const auto& tester : this->Makefile->GetTestGenerators()) {
tester->Compute(this);
tester->Generate(fout, config, configurationTypes);
}
using vec_t = std::vector<cmStateSnapshot>;
vec_t const& children = this->Makefile->GetStateSnapshot().GetChildren();
for (cmStateSnapshot const& i : children) {
// TODO: Use add_subdirectory instead?
std::string outP = i.GetDirectory().GetCurrentBinary();
outP = this->MaybeRelativeToCurBinDir(outP);
outP = cmOutputConverter::EscapeForCMake(outP);
fout << "subdirs(" << outP << ")\n";
}
// Add directory labels property
cmValue directoryLabels =
this->Makefile->GetDefinition("CMAKE_DIRECTORY_LABELS");
cmValue labels = this->Makefile->GetProperty("LABELS");
if (labels || directoryLabels) {
fout << "set_directory_properties(PROPERTIES LABELS ";
if (labels) {
fout << cmOutputConverter::EscapeForCMake(*labels);
}
if (labels && directoryLabels) {
fout << ";";
}
if (directoryLabels) {
fout << cmOutputConverter::EscapeForCMake(*directoryLabels);
}
fout << ")\n";
}
}
void cmLocalGenerator::CreateEvaluationFileOutputs()
{
std::vector<std::string> const& configs =
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
for (std::string const& c : configs) {
this->CreateEvaluationFileOutputs(c);
}
}
void cmLocalGenerator::CreateEvaluationFileOutputs(std::string const& config)
{
for (const auto& geef : this->Makefile->GetEvaluationFiles()) {
geef->CreateOutputFile(this, config);
}
}
void cmLocalGenerator::ProcessEvaluationFiles(
std::vector<std::string>& generatedFiles)
{
for (const auto& geef : this->Makefile->GetEvaluationFiles()) {
geef->Generate(this);
if (cmSystemTools::GetFatalErrorOccurred()) {
return;
}
std::vector<std::string> files = geef->GetFiles();
std::sort(files.begin(), files.end());
std::vector<std::string> intersection;
std::set_intersection(files.begin(), files.end(), generatedFiles.begin(),
generatedFiles.end(),
std::back_inserter(intersection));
if (!intersection.empty()) {
cmSystemTools::Error("Files to be generated by multiple different "
"commands: " +
cmWrap('"', intersection, '"', " "));
return;
}
cm::append(generatedFiles, files);
std::inplace_merge(generatedFiles.begin(),
generatedFiles.end() - files.size(),
generatedFiles.end());
}
}
void cmLocalGenerator::GenerateInstallRules()
{
// Compute the install prefix.
cmValue installPrefix =
this->Makefile->GetDefinition("CMAKE_INSTALL_PREFIX");
std::string prefix = *installPrefix;
#if defined(_WIN32) && !defined(__CYGWIN__)
if (!installPrefix) {
if (!cmSystemTools::GetEnv("SystemDrive", prefix)) {
prefix = "C:";
}
cmValue project_name = this->Makefile->GetDefinition("PROJECT_NAME");
if (cmNonempty(project_name)) {
prefix += "/Program Files/";
prefix += *project_name;
} else {
prefix += "/InstalledCMakeProject";
}
}
#elif defined(__HAIKU__)
char dir[B_PATH_NAME_LENGTH];
if (!installPrefix) {
if (find_directory(B_SYSTEM_DIRECTORY, -1, false, dir, sizeof(dir)) ==
B_OK) {
prefix = dir;
} else {
prefix = "/boot/system";
}
}
#else
if (!installPrefix) {
prefix = "/usr/local";
}
#endif
if (cmValue stagingPrefix =
this->Makefile->GetDefinition("CMAKE_STAGING_PREFIX")) {
prefix = *stagingPrefix;
}
// Compute the set of configurations.
std::vector<std::string> configurationTypes =
this->Makefile->GetGeneratorConfigs(cmMakefile::OnlyMultiConfig);
std::string config = this->Makefile->GetDefaultConfiguration();
// Choose a default install configuration.
std::string default_config = config;
const char* default_order[] = { "RELEASE", "MINSIZEREL", "RELWITHDEBINFO",
"DEBUG", nullptr };
for (const char** c = default_order; *c && default_config.empty(); ++c) {
for (std::string const& configurationType : configurationTypes) {
if (cmSystemTools::UpperCase(configurationType) == *c) {
default_config = configurationType;
}
}
}
if (default_config.empty() && !configurationTypes.empty()) {
default_config = configurationTypes[0];
}
// Create the install script file.
std::string file = this->StateSnapshot.GetDirectory().GetCurrentBinary();
std::string homedir = this->GetState()->GetBinaryDirectory();
int toplevel_install = 0;
if (file == homedir) {
toplevel_install = 1;
}
file += "/cmake_install.cmake";
cmGeneratedFileStream fout(file);
fout.SetCopyIfDifferent(true);
// Write the header.
/* clang-format off */
fout << "# Install script for directory: "
<< this->StateSnapshot.GetDirectory().GetCurrentSource()
<< "\n\n"
"# Set the install prefix\n"
"if(NOT DEFINED CMAKE_INSTALL_PREFIX)\n"
" set(CMAKE_INSTALL_PREFIX \"" << prefix << "\")\n"
"endif()\n"
<< R"(string(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX )"
<< "\"${CMAKE_INSTALL_PREFIX}\")\n\n";
/* clang-format on */
// Write support code for generating per-configuration install rules.
/* clang-format off */
fout <<
"# Set the install configuration name.\n"
"if(NOT DEFINED CMAKE_INSTALL_CONFIG_NAME)\n"
" if(BUILD_TYPE)\n"
" string(REGEX REPLACE \"^[^A-Za-z0-9_]+\" \"\"\n"
" CMAKE_INSTALL_CONFIG_NAME \"${BUILD_TYPE}\")\n"
" else()\n"
" set(CMAKE_INSTALL_CONFIG_NAME \"" << default_config << "\")\n"
" endif()\n"
" message(STATUS \"Install configuration: "
"\\\"${CMAKE_INSTALL_CONFIG_NAME}\\\"\")\n"
"endif()\n"
"\n";
/* clang-format on */
// Write support code for dealing with component-specific installs.
/* clang-format off */
fout <<
"# Set the component getting installed.\n"
"if(NOT CMAKE_INSTALL_COMPONENT)\n"
" if(COMPONENT)\n"
" message(STATUS \"Install component: \\\"${COMPONENT}\\\"\")\n"
" set(CMAKE_INSTALL_COMPONENT \"${COMPONENT}\")\n"
" else()\n"
" set(CMAKE_INSTALL_COMPONENT)\n"
" endif()\n"
"endif()\n"
"\n";
/* clang-format on */
// Copy user-specified install options to the install code.
if (cmValue so_no_exe =
this->Makefile->GetDefinition("CMAKE_INSTALL_SO_NO_EXE")) {
/* clang-format off */
fout <<
"# Install shared libraries without execute permission?\n"
"if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE)\n"
" set(CMAKE_INSTALL_SO_NO_EXE \"" << *so_no_exe << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
// Copy cmake cross compile state to install code.
if (cmValue crosscompiling =
this->Makefile->GetDefinition("CMAKE_CROSSCOMPILING")) {
/* clang-format off */
fout <<
"# Is this installation the result of a crosscompile?\n"
"if(NOT DEFINED CMAKE_CROSSCOMPILING)\n"
" set(CMAKE_CROSSCOMPILING \"" << *crosscompiling << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
// Write default directory permissions.
if (cmValue defaultDirPermissions = this->Makefile->GetDefinition(
"CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS")) {
/* clang-format off */
fout <<
"# Set default install directory permissions.\n"
"if(NOT DEFINED CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS)\n"
" set(CMAKE_INSTALL_DEFAULT_DIRECTORY_PERMISSIONS \""
<< *defaultDirPermissions << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
// Write out CMAKE_GET_RUNTIME_DEPENDENCIES_PLATFORM so that
// installed code that uses `file(GET_RUNTIME_DEPENDENCIES)`
// has same platform variable as when running cmake
if (cmValue platform = this->Makefile->GetDefinition(
"CMAKE_GET_RUNTIME_DEPENDENCIES_PLATFORM")) {
/* clang-format off */
fout <<
"# Set default install directory permissions.\n"
"if(NOT DEFINED CMAKE_GET_RUNTIME_DEPENDENCIES_PLATFORM)\n"
" set(CMAKE_GET_RUNTIME_DEPENDENCIES_PLATFORM \""
<< *platform << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
// Write out CMAKE_GET_RUNTIME_DEPENDENCIES_TOOL so that
// installed code that uses `file(GET_RUNTIME_DEPENDENCIES)`
// has same tool selected as when running cmake
if (cmValue command =
this->Makefile->GetDefinition("CMAKE_GET_RUNTIME_DEPENDENCIES_TOOL")) {
/* clang-format off */
fout <<
"# Set default install directory permissions.\n"
"if(NOT DEFINED CMAKE_GET_RUNTIME_DEPENDENCIES_TOOL)\n"
" set(CMAKE_GET_RUNTIME_DEPENDENCIES_TOOL \""
<< *command << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
// Write out CMAKE_GET_RUNTIME_DEPENDENCIES_COMMAND so that
// installed code that uses `file(GET_RUNTIME_DEPENDENCIES)`
// has same path to the tool as when running cmake
if (cmValue command = this->Makefile->GetDefinition(
"CMAKE_GET_RUNTIME_DEPENDENCIES_COMMAND")) {
/* clang-format off */
fout <<
"# Set default install directory permissions.\n"
"if(NOT DEFINED CMAKE_GET_RUNTIME_DEPENDENCIES_COMMAND)\n"
" set(CMAKE_GET_RUNTIME_DEPENDENCIES_COMMAND \""
<< *command << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
// Write out CMAKE_OBJDUMP so that installed code that uses
// `file(GET_RUNTIME_DEPENDENCIES)` and hasn't specified
// CMAKE_GET_RUNTIME_DEPENDENCIES_COMMAND has consistent
// logic to fallback to CMAKE_OBJDUMP when `objdump` is
// not on the path
if (cmValue command = this->Makefile->GetDefinition("CMAKE_OBJDUMP")) {
/* clang-format off */
fout <<
"# Set default install directory permissions.\n"
"if(NOT DEFINED CMAKE_OBJDUMP)\n"
" set(CMAKE_OBJDUMP \""
<< *command << "\")\n"
"endif()\n"
"\n";
/* clang-format on */
}
this->AddGeneratorSpecificInstallSetup(fout);
// Ask each install generator to write its code.
cmPolicies::PolicyStatus status = this->GetPolicyStatus(cmPolicies::CMP0082);
auto const& installers = this->Makefile->GetInstallGenerators();
bool haveSubdirectoryInstall = false;
bool haveInstallAfterSubdirectory = false;
if (status == cmPolicies::WARN) {
for (const auto& installer : installers) {
installer->CheckCMP0082(haveSubdirectoryInstall,
haveInstallAfterSubdirectory);
installer->Generate(fout, config, configurationTypes);
}
} else {
for (const auto& installer : installers) {
installer->Generate(fout, config, configurationTypes);
}
}
// Write rules from old-style specification stored in targets.
this->GenerateTargetInstallRules(fout, config, configurationTypes);
// Include install scripts from subdirectories.
switch (status) {
case cmPolicies::WARN:
if (haveInstallAfterSubdirectory &&
this->Makefile->PolicyOptionalWarningEnabled(
"CMAKE_POLICY_WARNING_CMP0082")) {
std::ostringstream e;
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0082) << "\n";
this->IssueMessage(MessageType::AUTHOR_WARNING, e.str());
}
CM_FALLTHROUGH;
case cmPolicies::OLD: {
std::vector<cmStateSnapshot> children =
this->Makefile->GetStateSnapshot().GetChildren();
if (!children.empty()) {
fout << "if(NOT CMAKE_INSTALL_LOCAL_ONLY)\n";
fout << " # Include the install script for each subdirectory.\n";
for (cmStateSnapshot const& c : children) {
if (!c.GetDirectory().GetPropertyAsBool("EXCLUDE_FROM_ALL")) {
std::string odir = c.GetDirectory().GetCurrentBinary();
cmSystemTools::ConvertToUnixSlashes(odir);
fout << " include(\"" << odir << "/cmake_install.cmake\")\n";
}
}
fout << "\n";
fout << "endif()\n\n";
}
} break;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
// NEW behavior is handled in
// cmInstallSubdirectoryGenerator::GenerateScript()
break;
}
// Record the install manifest.
if (toplevel_install) {
/* clang-format off */
fout <<
"if(CMAKE_INSTALL_COMPONENT)\n"
" set(CMAKE_INSTALL_MANIFEST \"install_manifest_"
"${CMAKE_INSTALL_COMPONENT}.txt\")\n"
"else()\n"
" set(CMAKE_INSTALL_MANIFEST \"install_manifest.txt\")\n"
"endif()\n"
"\n"
"string(REPLACE \";\" \"\\n\" CMAKE_INSTALL_MANIFEST_CONTENT\n"
" \"${CMAKE_INSTALL_MANIFEST_FILES}\")\n"
"file(WRITE \"" << homedir << "/${CMAKE_INSTALL_MANIFEST}\"\n"
" \"${CMAKE_INSTALL_MANIFEST_CONTENT}\")\n";
/* clang-format on */
}
}
void cmLocalGenerator::AddGeneratorTarget(
std::unique_ptr<cmGeneratorTarget> gt)
{
cmGeneratorTarget* gt_ptr = gt.get();
this->GeneratorTargets.push_back(std::move(gt));
this->GeneratorTargetSearchIndex.emplace(gt_ptr->GetName(), gt_ptr);
this->GlobalGenerator->IndexGeneratorTarget(gt_ptr);
}
void cmLocalGenerator::AddImportedGeneratorTarget(cmGeneratorTarget* gt)
{
this->ImportedGeneratorTargets.emplace(gt->GetName(), gt);
this->GlobalGenerator->IndexGeneratorTarget(gt);
}
void cmLocalGenerator::AddOwnedImportedGeneratorTarget(
std::unique_ptr<cmGeneratorTarget> gt)
{
this->OwnedImportedGeneratorTargets.push_back(std::move(gt));
}
cmGeneratorTarget* cmLocalGenerator::FindLocalNonAliasGeneratorTarget(
const std::string& name) const
{
auto ti = this->GeneratorTargetSearchIndex.find(name);
if (ti != this->GeneratorTargetSearchIndex.end()) {
return ti->second;
}
return nullptr;
}
void cmLocalGenerator::ComputeTargetManifest()
{
// Collect the set of configuration types.
std::vector<std::string> configNames =
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
// Add our targets to the manifest for each configuration.
const auto& targets = this->GetGeneratorTargets();
for (const auto& target : targets) {
if (!target->IsInBuildSystem()) {
continue;
}
for (std::string const& c : configNames) {
target->ComputeTargetManifest(c);
}
}
}
bool cmLocalGenerator::ComputeTargetCompileFeatures()
{
// Collect the set of configuration types.
std::vector<std::string> configNames =
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
using LanguagePair = std::pair<std::string, std::string>;
std::vector<LanguagePair> pairedLanguages{
{ "OBJC", "C" }, { "OBJCXX", "CXX" }, { "CUDA", "CXX" }, { "HIP", "CXX" }
};
std::set<LanguagePair> inferredEnabledLanguages;
for (auto const& lang : pairedLanguages) {
if (this->Makefile->GetState()->GetLanguageEnabled(lang.first)) {
inferredEnabledLanguages.insert(lang);
}
}
// Process compile features of all targets.
const auto& targets = this->GetGeneratorTargets();
for (const auto& target : targets) {
for (std::string const& c : configNames) {
if (!target->ComputeCompileFeatures(c)) {
return false;
}
}
// Now that C/C++ _STANDARD values have been computed
// set the values to ObjC/ObjCXX _STANDARD variables
if (target->CanCompileSources()) {
for (std::string const& c : configNames) {
target->ComputeCompileFeatures(c, inferredEnabledLanguages);
}
}
}
return true;
}
bool cmLocalGenerator::IsRootMakefile() const
{
return !this->StateSnapshot.GetBuildsystemDirectoryParent().IsValid();
}
cmState* cmLocalGenerator::GetState() const
{
return this->GlobalGenerator->GetCMakeInstance()->GetState();
}
cmStateSnapshot cmLocalGenerator::GetStateSnapshot() const
{
return this->Makefile->GetStateSnapshot();
}
std::string cmLocalGenerator::GetRuleLauncher(cmGeneratorTarget* target,
const std::string& prop,
const std::string& config)
{
cmValue value = this->Makefile->GetProperty(prop);
if (target) {
value = target->GetProperty(prop);
}
if (value) {
return cmGeneratorExpression::Evaluate(*value, this, config, target);
}
return "";
}
std::string cmLocalGenerator::ConvertToIncludeReference(
std::string const& path, OutputFormat format)
{
return this->ConvertToOutputForExisting(path, format);
}
std::string cmLocalGenerator::GetIncludeFlags(
std::vector<std::string> const& includeDirs, cmGeneratorTarget* target,
std::string const& lang, std::string const& config, bool forResponseFile)
{
if (lang.empty()) {
return "";
}
std::vector<std::string> includes = includeDirs;
MoveSystemIncludesToEnd(includes, config, lang, target);
OutputFormat shellFormat = forResponseFile ? RESPONSE : SHELL;
std::ostringstream includeFlags;
std::string const& includeFlag =
this->Makefile->GetSafeDefinition(cmStrCat("CMAKE_INCLUDE_FLAG_", lang));
bool quotePaths = false;
if (this->Makefile->GetDefinition("CMAKE_QUOTE_INCLUDE_PATHS")) {
quotePaths = true;
}
std::string sep = " ";
bool repeatFlag = true;
// should the include flag be repeated like ie. -IA -IB
if (cmValue incSep = this->Makefile->GetDefinition(
cmStrCat("CMAKE_INCLUDE_FLAG_SEP_", lang))) {
// if there is a separator then the flag is not repeated but is only
// given once i.e. -classpath a:b:c
sep = *incSep;
repeatFlag = false;
}
// Support special system include flag if it is available and the
// normal flag is repeated for each directory.
cmValue sysIncludeFlag = nullptr;
cmValue sysIncludeFlagWarning = nullptr;
if (repeatFlag) {
sysIncludeFlag = this->Makefile->GetDefinition(
cmStrCat("CMAKE_INCLUDE_SYSTEM_FLAG_", lang));
sysIncludeFlagWarning = this->Makefile->GetDefinition(
cmStrCat("_CMAKE_INCLUDE_SYSTEM_FLAG_", lang, "_WARNING"));
}
cmValue fwSearchFlag = this->Makefile->GetDefinition(
cmStrCat("CMAKE_", lang, "_FRAMEWORK_SEARCH_FLAG"));
cmValue sysFwSearchFlag = this->Makefile->GetDefinition(
cmStrCat("CMAKE_", lang, "_SYSTEM_FRAMEWORK_SEARCH_FLAG"));
bool flagUsed = false;
bool sysIncludeFlagUsed = false;
std::set<std::string> emitted;
#ifdef __APPLE__
emitted.insert("/System/Library/Frameworks");
#endif
for (std::string const& i : includes) {
if (cmNonempty(fwSearchFlag) && this->Makefile->IsOn("APPLE") &&
cmSystemTools::IsPathToFramework(i)) {
std::string const frameworkDir =
cmSystemTools::CollapseFullPath(cmStrCat(i, "/../"));
if (emitted.insert(frameworkDir).second) {
if (sysFwSearchFlag && target &&
target->IsSystemIncludeDirectory(frameworkDir, config, lang)) {
includeFlags << *sysFwSearchFlag;
} else {
includeFlags << *fwSearchFlag;
}
includeFlags << this->ConvertToOutputFormat(frameworkDir, shellFormat)
<< " ";
}
continue;
}
if (!flagUsed || repeatFlag) {
if (sysIncludeFlag && target &&
target->IsSystemIncludeDirectory(i, config, lang)) {
includeFlags << *sysIncludeFlag;
sysIncludeFlagUsed = true;
} else {
includeFlags << includeFlag;
}
flagUsed = true;
}
std::string includePath = this->ConvertToIncludeReference(i, shellFormat);
if (quotePaths && !includePath.empty() && includePath.front() != '\"') {
includeFlags << "\"";
}
includeFlags << includePath;
if (quotePaths && !includePath.empty() && includePath.front() != '\"') {
includeFlags << "\"";
}
includeFlags << sep;
}
if (sysIncludeFlagUsed && sysIncludeFlagWarning) {
includeFlags << *sysIncludeFlagWarning;
}
std::string flags = includeFlags.str();
// remove trailing separators
if ((sep[0] != ' ') && !flags.empty() && flags.back() == sep[0]) {
flags.back() = ' ';
}
return cmTrimWhitespace(flags);
}
void cmLocalGenerator::AddCompileOptions(std::string& flags,
cmGeneratorTarget* target,
const std::string& lang,
const std::string& config)
{
std::vector<BT<std::string>> tmpFlags;
this->AddCompileOptions(tmpFlags, target, lang, config);
this->AppendFlags(flags, tmpFlags);
}
void cmLocalGenerator::AddCompileOptions(std::vector<BT<std::string>>& flags,
cmGeneratorTarget* target,
const std::string& lang,
const std::string& config)
{
std::string langFlagRegexVar = cmStrCat("CMAKE_", lang, "_FLAG_REGEX");
if (cmValue langFlagRegexStr =
this->Makefile->GetDefinition(langFlagRegexVar)) {
// Filter flags acceptable to this language.
if (cmValue targetFlags = target->GetProperty("COMPILE_FLAGS")) {
std::vector<std::string> opts;
cmSystemTools::ParseWindowsCommandLine(targetFlags->c_str(), opts);
// Re-escape these flags since COMPILE_FLAGS were already parsed
// as a command line above.
std::string compileOpts;
this->AppendCompileOptions(compileOpts, opts, langFlagRegexStr->c_str());
if (!compileOpts.empty()) {
flags.emplace_back(std::move(compileOpts));
}
}
std::vector<BT<std::string>> targetCompileOpts =
target->GetCompileOptions(config, lang);
// COMPILE_OPTIONS are escaped.
this->AppendCompileOptions(flags, targetCompileOpts,
langFlagRegexStr->c_str());
} else {
// Use all flags.
if (cmValue targetFlags = target->GetProperty("COMPILE_FLAGS")) {
// COMPILE_FLAGS are not escaped for historical reasons.
std::string compileFlags;
this->AppendFlags(compileFlags, *targetFlags);
if (!compileFlags.empty()) {
flags.emplace_back(std::move(compileFlags));
}
}
std::vector<BT<std::string>> targetCompileOpts =
target->GetCompileOptions(config, lang);
// COMPILE_OPTIONS are escaped.
this->AppendCompileOptions(flags, targetCompileOpts);
}
cmStandardLevelResolver standardResolver(this->Makefile);
for (auto const& it : target->GetMaxLanguageStandards()) {
cmValue standard = target->GetLanguageStandard(it.first, config);
if (!standard) {
continue;
}
if (standardResolver.IsLaterStandard(it.first, *standard, it.second)) {
std::ostringstream e;
e << "The COMPILE_FEATURES property of target \"" << target->GetName()
<< "\" was evaluated when computing the link "
"implementation, and the \""
<< it.first << "_STANDARD\" was \"" << it.second
<< "\" for that computation. Computing the "
"COMPILE_FEATURES based on the link implementation resulted in a "
"higher \""
<< it.first << "_STANDARD\" \"" << *standard
<< "\". "
"This is not permitted. The COMPILE_FEATURES may not both depend "
"on "
"and be depended on by the link implementation.\n";
this->IssueMessage(MessageType::FATAL_ERROR, e.str());
return;
}
}
// Add Warning as errors flags
if (!this->GetCMakeInstance()->GetIgnoreWarningAsError()) {
const cmValue wError = target->GetProperty("COMPILE_WARNING_AS_ERROR");
const cmValue wErrorOpts = this->Makefile->GetDefinition(
cmStrCat("CMAKE_", lang, "_COMPILE_OPTIONS_WARNING_AS_ERROR"));
if (wError.IsOn() && wErrorOpts.IsSet()) {
std::string wErrorFlags;
this->AppendCompileOptions(wErrorFlags, *wErrorOpts);
if (!wErrorFlags.empty()) {
flags.emplace_back(std::move(wErrorFlags));
}
}
}
// Add compile flag for the MSVC compiler only.
cmMakefile* mf = this->GetMakefile();
if (cmValue jmc =
mf->GetDefinition("CMAKE_" + lang + "_COMPILE_OPTIONS_JMC")) {
// Handle Just My Code debugging flags, /JMC.
// If the target is a Managed C++ one, /JMC is not compatible.
if (target->GetManagedType(config) !=
cmGeneratorTarget::ManagedType::Managed) {
// add /JMC flags if target property VS_JUST_MY_CODE_DEBUGGING is set
// to ON
if (cmValue jmcExprGen =
target->GetProperty("VS_JUST_MY_CODE_DEBUGGING")) {
std::string isJMCEnabled =
cmGeneratorExpression::Evaluate(*jmcExprGen, this, config);
if (cmIsOn(isJMCEnabled)) {
cmList optList{ *jmc };
std::string jmcFlags;
this->AppendCompileOptions(jmcFlags, optList);
if (!jmcFlags.empty()) {
flags.emplace_back(std::move(jmcFlags));
}
}
}
}
}
}
cmTarget* cmLocalGenerator::AddCustomCommandToTarget(
const std::string& target, cmCustomCommandType type,
std::unique_ptr<cmCustomCommand> cc, cmObjectLibraryCommands objLibCommands)
{
cmTarget* t = this->Makefile->GetCustomCommandTarget(
target, objLibCommands, this->DirectoryBacktrace);
if (!t) {
return nullptr;
}
cc->SetBacktrace(this->DirectoryBacktrace);
detail::AddCustomCommandToTarget(*this, cmCommandOrigin::Generator, t, type,
std::move(cc));
return t;
}
cmSourceFile* cmLocalGenerator::AddCustomCommandToOutput(
std::unique_ptr<cmCustomCommand> cc, bool replace)
{
// Make sure there is at least one output.
if (cc->GetOutputs().empty()) {
cmSystemTools::Error("Attempt to add a custom rule with no output!");
return nullptr;
}
cc->SetBacktrace(this->DirectoryBacktrace);
return detail::AddCustomCommandToOutput(*this, cmCommandOrigin::Generator,
std::move(cc), replace);
}
cmTarget* cmLocalGenerator::AddUtilityCommand(
const std::string& utilityName, bool excludeFromAll,
std::unique_ptr<cmCustomCommand> cc)
{
cmTarget* target =
this->Makefile->AddNewUtilityTarget(utilityName, excludeFromAll);
target->SetIsGeneratorProvided(true);
if (cc->GetCommandLines().empty() && cc->GetDepends().empty()) {
return target;
}
cc->SetBacktrace(this->DirectoryBacktrace);
detail::AddUtilityCommand(*this, cmCommandOrigin::Generator, target,
std::move(cc));
return target;
}
std::vector<BT<std::string>> cmLocalGenerator::GetIncludeDirectoriesImplicit(
cmGeneratorTarget const* target, std::string const& lang,
std::string const& config, bool stripImplicitDirs,
bool appendAllImplicitDirs) const
{
std::vector<BT<std::string>> result;
// Do not repeat an include path.
std::set<std::string> emitted;
auto emitDir = [&result, &emitted](std::string const& dir) {
if (emitted.insert(dir).second) {
result.emplace_back(dir);
}
};
auto emitBT = [&result, &emitted](BT<std::string> const& dir) {
if (emitted.insert(dir.Value).second) {
result.emplace_back(dir);
}
};
// When automatic include directories are requested for a build then
// include the source and binary directories at the beginning of the
// include path to approximate include file behavior for an
// in-source build. This does not account for the case of a source
// file in a subdirectory of the current source directory but we
// cannot fix this because not all native build tools support
// per-source-file include paths.
if (this->Makefile->IsOn("CMAKE_INCLUDE_CURRENT_DIR")) {
// Current binary directory
emitDir(this->StateSnapshot.GetDirectory().GetCurrentBinary());
// Current source directory
emitDir(this->StateSnapshot.GetDirectory().GetCurrentSource());
}
if (!target) {
return result;
}
// Standard include directories to be added unconditionally at the end.
// These are intended to simulate additional implicit include directories.
cmList userStandardDirs;
{
std::string const value = this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_STANDARD_INCLUDE_DIRECTORIES"));
userStandardDirs.assign(value);
for (std::string& usd : userStandardDirs) {
cmSystemTools::ConvertToUnixSlashes(usd);
}
}
// Implicit include directories
std::vector<std::string> implicitDirs;
std::set<std::string> implicitSet;
// Include directories to be excluded as if they were implicit.
std::set<std::string> implicitExclude;
{
// Raw list of implicit include directories
// Start with "standard" directories that we unconditionally add below.
std::vector<std::string> impDirVec = userStandardDirs;
// Load implicit include directories for this language.
// We ignore this for Fortran because:
// * There are no standard library headers to avoid overriding.
// * Compilers like gfortran do not search their own implicit include
// directories for modules ('.mod' files).
if (lang != "Fortran") {
size_t const impDirVecOldSize = impDirVec.size();
cmList::append(impDirVec,
this->Makefile->GetDefinition(cmStrCat(
"CMAKE_", lang, "_IMPLICIT_INCLUDE_DIRECTORIES")));
// FIXME: Use cmRange with 'advance()' when it supports non-const.
for (size_t i = impDirVecOldSize; i < impDirVec.size(); ++i) {
cmSystemTools::ConvertToUnixSlashes(impDirVec[i]);
}
// The CMAKE_<LANG>_IMPLICIT_INCLUDE_DIRECTORIES are computed using
// try_compile in CMAKE_DETERMINE_COMPILER_ABI, but the implicit include
// directories are not known during that try_compile. This can be a
// problem when the HIP runtime include path is /usr/include because the
// runtime include path is always added to the userDirs and the compiler
// includes standard library headers via "__clang_hip_runtime_wrapper.h".
if (lang == "HIP" && impDirVec.size() == impDirVecOldSize &&
!cm::contains(impDirVec, "/usr/include")) {
implicitExclude.emplace("/usr/include");
}
}
// The Platform/UnixPaths module used to hard-code /usr/include for C, CXX,
// and CUDA in CMAKE_<LANG>_IMPLICIT_INCLUDE_DIRECTORIES, but those
// variables are now computed. On macOS the /usr/include directory is
// inside the platform SDK so the computed value does not contain it
// directly. In this case adding -I/usr/include can hide SDK headers so we
// must still exclude it.
if ((lang == "C" || lang == "CXX" || lang == "CUDA") &&
!cm::contains(impDirVec, "/usr/include") &&
std::find_if(impDirVec.begin(), impDirVec.end(),
[](std::string const& d) {
return cmHasLiteralSuffix(d, "/usr/include");
}) != impDirVec.end()) {
// Only exclude this hard coded path for backwards compatibility.
implicitExclude.emplace("/usr/include");
}
for (std::string const& i : impDirVec) {
if (implicitSet.insert(this->GlobalGenerator->GetRealPath(i)).second) {
implicitDirs.emplace_back(i);
}
}
}
bool const isCorCxx = (lang == "C" || lang == "CXX");
// Resolve symlinks in CPATH for comparison with resolved include paths.
// We do this here instead of when EnvCPATH is populated in case symlinks
// on disk have changed in the meantime.
std::set<std::string> resolvedEnvCPATH;
if (isCorCxx) {
for (std::string const& i : this->EnvCPATH) {
resolvedEnvCPATH.emplace(this->GlobalGenerator->GetRealPath(i));
}
}
// Checks if this is not an excluded (implicit) include directory.
auto notExcluded = [this, &implicitSet, &implicitExclude, &resolvedEnvCPATH,
isCorCxx](std::string const& dir) -> bool {
std::string const& real_dir = this->GlobalGenerator->GetRealPath(dir);
return
// Do not exclude directories that are not in any excluded set.
!(cm::contains(implicitSet, real_dir) ||
cm::contains(implicitExclude, dir))
// Do not exclude entries of the CPATH environment variable even though
// they are implicitly searched by the compiler. They are meant to be
// user-specified directories that can be re-ordered or converted to
// -isystem without breaking real compiler builtin headers.
|| (isCorCxx && cm::contains(resolvedEnvCPATH, real_dir));
};
// Get the target-specific include directories.
std::vector<BT<std::string>> userDirs =
target->GetIncludeDirectories(config, lang);
// Support putting all the in-project include directories first if
// it is requested by the project.
if (this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE")) {
std::string const& topSourceDir = this->GetState()->GetSourceDirectory();
std::string const& topBinaryDir = this->GetState()->GetBinaryDirectory();
for (BT<std::string> const& udr : userDirs) {
// Emit this directory only if it is a subdirectory of the
// top-level source or binary tree.
if (cmSystemTools::ComparePath(udr.Value, topSourceDir) ||
cmSystemTools::ComparePath(udr.Value, topBinaryDir) ||
cmSystemTools::IsSubDirectory(udr.Value, topSourceDir) ||
cmSystemTools::IsSubDirectory(udr.Value, topBinaryDir)) {
if (notExcluded(udr.Value)) {
emitBT(udr);
}
}
}
}
// Emit remaining non implicit user directories.
for (BT<std::string> const& udr : userDirs) {
if (notExcluded(udr.Value)) {
emitBT(udr);
}
}
// Sort result
MoveSystemIncludesToEnd(result, config, lang, target);
// Append standard include directories for this language.
userDirs.reserve(userDirs.size() + userStandardDirs.size());
for (std::string& usd : userStandardDirs) {
emitDir(usd);
userDirs.emplace_back(std::move(usd));
}
// Append compiler implicit include directories
if (!stripImplicitDirs) {
// Append implicit directories that were requested by the user only
for (BT<std::string> const& udr : userDirs) {
if (cm::contains(implicitSet, cmSystemTools::GetRealPath(udr.Value))) {
emitBT(udr);
}
}
// Append remaining implicit directories (on demand)
if (appendAllImplicitDirs) {
for (std::string& imd : implicitDirs) {
emitDir(imd);
}
}
}
return result;
}
void cmLocalGenerator::GetIncludeDirectoriesImplicit(
std::vector<std::string>& dirs, cmGeneratorTarget const* target,
const std::string& lang, const std::string& config, bool stripImplicitDirs,
bool appendAllImplicitDirs) const
{
std::vector<BT<std::string>> tmp = this->GetIncludeDirectoriesImplicit(
target, lang, config, stripImplicitDirs, appendAllImplicitDirs);
dirs.reserve(dirs.size() + tmp.size());
for (BT<std::string>& v : tmp) {
dirs.emplace_back(std::move(v.Value));
}
}
std::vector<BT<std::string>> cmLocalGenerator::GetIncludeDirectories(
cmGeneratorTarget const* target, std::string const& lang,
std::string const& config) const
{
return this->GetIncludeDirectoriesImplicit(target, lang, config);
}
void cmLocalGenerator::GetIncludeDirectories(std::vector<std::string>& dirs,
cmGeneratorTarget const* target,
const std::string& lang,
const std::string& config) const
{
this->GetIncludeDirectoriesImplicit(dirs, target, lang, config);
}
void cmLocalGenerator::GetStaticLibraryFlags(std::string& flags,
std::string const& config,
std::string const& linkLanguage,
cmGeneratorTarget* target)
{
std::vector<BT<std::string>> tmpFlags =
this->GetStaticLibraryFlags(config, linkLanguage, target);
this->AppendFlags(flags, tmpFlags);
}
std::vector<BT<std::string>> cmLocalGenerator::GetStaticLibraryFlags(
std::string const& config, std::string const& linkLanguage,
cmGeneratorTarget* target)
{
const std::string configUpper = cmSystemTools::UpperCase(config);
std::vector<BT<std::string>> flags;
if (linkLanguage != "Swift" && !this->IsSplitSwiftBuild()) {
std::string staticLibFlags;
this->AppendFlags(
staticLibFlags,
this->Makefile->GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS"));
if (!configUpper.empty()) {
std::string name = "CMAKE_STATIC_LINKER_FLAGS_" + configUpper;
this->AppendFlags(staticLibFlags,
this->Makefile->GetSafeDefinition(name));
}
if (!staticLibFlags.empty()) {
flags.emplace_back(std::move(staticLibFlags));
}
}
std::string staticLibFlags;
this->AppendFlags(staticLibFlags,
target->GetSafeProperty("STATIC_LIBRARY_FLAGS"));
if (!configUpper.empty()) {
std::string name = "STATIC_LIBRARY_FLAGS_" + configUpper;
this->AppendFlags(staticLibFlags, target->GetSafeProperty(name));
}
if (!staticLibFlags.empty()) {
flags.emplace_back(std::move(staticLibFlags));
}
std::vector<BT<std::string>> staticLibOpts =
target->GetStaticLibraryLinkOptions(config, linkLanguage);
// STATIC_LIBRARY_OPTIONS are escaped.
this->AppendCompileOptions(flags, staticLibOpts);
return flags;
}
void cmLocalGenerator::GetDeviceLinkFlags(
cmLinkLineDeviceComputer& linkLineComputer, const std::string& config,
std::string& linkLibs, std::string& linkFlags, std::string& frameworkPath,
std::string& linkPath, cmGeneratorTarget* target)
{
cmGeneratorTarget::DeviceLinkSetter setter(*target);
cmComputeLinkInformation* pcli = target->GetLinkInformation(config);
auto linklang = linkLineComputer.GetLinkerLanguage(target, config);
auto ipoEnabled = target->IsIPOEnabled(linklang, config);
if (!ipoEnabled) {
ipoEnabled = linkLineComputer.ComputeRequiresDeviceLinkingIPOFlag(*pcli);
}
if (ipoEnabled) {
if (cmValue cudaIPOFlags = this->Makefile->GetDefinition(
"CMAKE_CUDA_DEVICE_LINK_OPTIONS_IPO")) {
linkFlags += *cudaIPOFlags;
}
}
if (pcli) {
// Compute the required device link libraries when
// resolving gpu lang device symbols
this->OutputLinkLibraries(pcli, &linkLineComputer, linkLibs, frameworkPath,
linkPath);
}
this->AddVisibilityPresetFlags(linkFlags, target, "CUDA");
this->GetGlobalGenerator()->EncodeLiteral(linkFlags);
std::vector<std::string> linkOpts;
target->GetLinkOptions(linkOpts, config, "CUDA");
this->SetLinkScriptShell(this->GetGlobalGenerator()->GetUseLinkScript());
// LINK_OPTIONS are escaped.
this->AppendCompileOptions(linkFlags, linkOpts);
this->SetLinkScriptShell(false);
}
void cmLocalGenerator::GetTargetFlags(
cmLinkLineComputer* linkLineComputer, const std::string& config,
std::string& linkLibs, std::string& flags, std::string& linkFlags,
std::string& frameworkPath, std::string& linkPath, cmGeneratorTarget* target)
{
std::vector<BT<std::string>> linkFlagsList;
std::vector<BT<std::string>> linkPathList;
std::vector<BT<std::string>> linkLibsList;
this->GetTargetFlags(linkLineComputer, config, linkLibsList, flags,
linkFlagsList, frameworkPath, linkPathList, target);
this->AppendFlags(linkFlags, linkFlagsList);
this->AppendFlags(linkPath, linkPathList);
this->AppendFlags(linkLibs, linkLibsList);
}
void cmLocalGenerator::GetTargetFlags(
cmLinkLineComputer* linkLineComputer, const std::string& config,
std::vector<BT<std::string>>& linkLibs, std::string& flags,
std::vector<BT<std::string>>& linkFlags, std::string& frameworkPath,
std::vector<BT<std::string>>& linkPath, cmGeneratorTarget* target)
{
const std::string configUpper = cmSystemTools::UpperCase(config);
cmComputeLinkInformation* pcli = target->GetLinkInformation(config);
const char* libraryLinkVariable =
"CMAKE_SHARED_LINKER_FLAGS"; // default to shared library
const std::string linkLanguage =
linkLineComputer->GetLinkerLanguage(target, config);
switch (target->GetType()) {
case cmStateEnums::STATIC_LIBRARY:
linkFlags = this->GetStaticLibraryFlags(config, linkLanguage, target);
break;
case cmStateEnums::MODULE_LIBRARY:
libraryLinkVariable = "CMAKE_MODULE_LINKER_FLAGS";
CM_FALLTHROUGH;
case cmStateEnums::SHARED_LIBRARY: {
std::string sharedLibFlags;
if (linkLanguage != "Swift") {
sharedLibFlags = cmStrCat(
this->Makefile->GetSafeDefinition(libraryLinkVariable), ' ');
if (!configUpper.empty()) {
std::string build = cmStrCat(libraryLinkVariable, '_', configUpper);
sharedLibFlags += this->Makefile->GetSafeDefinition(build);
sharedLibFlags += " ";
}
}
cmValue targetLinkFlags = target->GetProperty("LINK_FLAGS");
if (targetLinkFlags) {
sharedLibFlags += *targetLinkFlags;
sharedLibFlags += " ";
}
if (!configUpper.empty()) {
targetLinkFlags =
target->GetProperty(cmStrCat("LINK_FLAGS_", configUpper));
if (targetLinkFlags) {
sharedLibFlags += *targetLinkFlags;
sharedLibFlags += " ";
}
}
if (!sharedLibFlags.empty()) {
this->GetGlobalGenerator()->EncodeLiteral(sharedLibFlags);
linkFlags.emplace_back(std::move(sharedLibFlags));
}
std::vector<BT<std::string>> linkOpts =
target->GetLinkOptions(config, linkLanguage);
this->SetLinkScriptShell(this->GetGlobalGenerator()->GetUseLinkScript());
// LINK_OPTIONS are escaped.
this->AppendCompileOptions(linkFlags, linkOpts);
this->SetLinkScriptShell(false);
if (pcli) {
this->OutputLinkLibraries(pcli, linkLineComputer, linkLibs,
frameworkPath, linkPath);
}
} break;
case cmStateEnums::EXECUTABLE: {
std::string exeFlags;
if (linkLanguage != "Swift") {
exeFlags = this->Makefile->GetSafeDefinition("CMAKE_EXE_LINKER_FLAGS");
exeFlags += " ";
if (!configUpper.empty()) {
exeFlags += this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_EXE_LINKER_FLAGS_", configUpper));
exeFlags += " ";
}
if (linkLanguage.empty()) {
cmSystemTools::Error(
"CMake can not determine linker language for target: " +
target->GetName());
return;
}
if (target->IsWin32Executable(config)) {
exeFlags += this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", linkLanguage, "_CREATE_WIN32_EXE"));
exeFlags += " ";
} else {
exeFlags += this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", linkLanguage, "_CREATE_CONSOLE_EXE"));
exeFlags += " ";
}
if (target->IsExecutableWithExports()) {
exeFlags += this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_EXE_EXPORTS_", linkLanguage, "_FLAG"));
exeFlags += " ";
}
}
this->AddLanguageFlagsForLinking(flags, target, linkLanguage, config);
if (pcli) {
this->OutputLinkLibraries(pcli, linkLineComputer, linkLibs,
frameworkPath, linkPath);
}
if (this->Makefile->IsOn("BUILD_SHARED_LIBS")) {
std::string sFlagVar = "CMAKE_SHARED_BUILD_" + linkLanguage + "_FLAGS";
exeFlags += this->Makefile->GetSafeDefinition(sFlagVar);
exeFlags += " ";
}
std::string cmp0065Flags =
this->GetLinkLibsCMP0065(linkLanguage, *target);
if (!cmp0065Flags.empty()) {
exeFlags += cmp0065Flags;
exeFlags += " ";
}
cmValue targetLinkFlags = target->GetProperty("LINK_FLAGS");
if (targetLinkFlags) {
exeFlags += *targetLinkFlags;
exeFlags += " ";
}
if (!configUpper.empty()) {
targetLinkFlags =
target->GetProperty(cmStrCat("LINK_FLAGS_", configUpper));
if (targetLinkFlags) {
exeFlags += *targetLinkFlags;
exeFlags += " ";
}
}
if (!exeFlags.empty()) {
this->GetGlobalGenerator()->EncodeLiteral(exeFlags);
linkFlags.emplace_back(std::move(exeFlags));
}
std::vector<BT<std::string>> linkOpts =
target->GetLinkOptions(config, linkLanguage);
this->SetLinkScriptShell(this->GetGlobalGenerator()->GetUseLinkScript());
// LINK_OPTIONS are escaped.
this->AppendCompileOptions(linkFlags, linkOpts);
this->SetLinkScriptShell(false);
} break;
default:
break;
}
std::string extraLinkFlags;
this->AppendLinkerTypeFlags(extraLinkFlags, target, config, linkLanguage);
this->AppendPositionIndependentLinkerFlags(extraLinkFlags, target, config,
linkLanguage);
this->AppendIPOLinkerFlags(extraLinkFlags, target, config, linkLanguage);
this->AppendDependencyInfoLinkerFlags(extraLinkFlags, target, config,
linkLanguage);
this->AppendModuleDefinitionFlag(extraLinkFlags, target, linkLineComputer,
config);
if (!extraLinkFlags.empty()) {
this->GetGlobalGenerator()->EncodeLiteral(extraLinkFlags);
linkFlags.emplace_back(std::move(extraLinkFlags));
}
}
void cmLocalGenerator::GetTargetCompileFlags(cmGeneratorTarget* target,
std::string const& config,
std::string const& lang,
std::string& flags,
std::string const& arch)
{
std::vector<BT<std::string>> tmpFlags =
this->GetTargetCompileFlags(target, config, lang, arch);
this->AppendFlags(flags, tmpFlags);
}
std::vector<BT<std::string>> cmLocalGenerator::GetTargetCompileFlags(
cmGeneratorTarget* target, std::string const& config,
std::string const& lang, std::string const& arch)
{
std::vector<BT<std::string>> flags;
std::string compileFlags;
cmMakefile* mf = this->GetMakefile();
// Add language-specific flags.
this->AddLanguageFlags(compileFlags, target, cmBuildStep::Compile, lang,
config);
if (target->IsIPOEnabled(lang, config)) {
this->AppendFeatureOptions(compileFlags, lang, "IPO");
}
this->AddArchitectureFlags(compileFlags, target, lang, config, arch);
if (lang == "Fortran") {
this->AppendFlags(compileFlags,
this->GetTargetFortranFlags(target, config));
} else if (lang == "Swift") {
// Only set the compile mode if CMP0157 is set
if (cm::optional<cmSwiftCompileMode> swiftCompileMode =
this->GetSwiftCompileMode(target, config)) {
std::string swiftCompileModeFlag;
switch (*swiftCompileMode) {
case cmSwiftCompileMode::Incremental: {
swiftCompileModeFlag = "-incremental";
if (cmValue flag =
mf->GetDefinition("CMAKE_Swift_COMPILE_OPTIONS_INCREMENTAL")) {
swiftCompileModeFlag = *flag;
}
break;
}
case cmSwiftCompileMode::Wholemodule: {
swiftCompileModeFlag = "-wmo";
if (cmValue flag =
mf->GetDefinition("CMAKE_Swift_COMPILE_OPTIONS_WMO")) {
swiftCompileModeFlag = *flag;
}
break;
}
case cmSwiftCompileMode::Singlefile:
break;
case cmSwiftCompileMode::Unknown: {
this->IssueMessage(
MessageType::AUTHOR_WARNING,
cmStrCat("Unknown Swift_COMPILATION_MODE on target '",
target->GetName(), "'"));
}
}
this->AppendFlags(compileFlags, swiftCompileModeFlag);
}
}
this->AddCMP0018Flags(compileFlags, target, lang, config);
this->AddVisibilityPresetFlags(compileFlags, target, lang);
this->AddColorDiagnosticsFlags(compileFlags, lang);
this->AppendFlags(compileFlags, mf->GetDefineFlags());
this->AppendFlags(compileFlags,
this->GetFrameworkFlags(lang, config, target));
this->AppendFlags(compileFlags,
this->GetXcFrameworkFlags(lang, config, target));
if (!compileFlags.empty()) {
flags.emplace_back(std::move(compileFlags));
}
this->AddCompileOptions(flags, target, lang, config);
return flags;
}
std::string cmLocalGenerator::GetFrameworkFlags(std::string const& lang,
std::string const& config,
cmGeneratorTarget* target)
{
cmLocalGenerator* lg = target->GetLocalGenerator();
cmMakefile* mf = lg->GetMakefile();
if (!target->IsApple()) {
return std::string();
}
cmValue fwSearchFlag =
mf->GetDefinition(cmStrCat("CMAKE_", lang, "_FRAMEWORK_SEARCH_FLAG"));
cmValue sysFwSearchFlag = mf->GetDefinition(
cmStrCat("CMAKE_", lang, "_SYSTEM_FRAMEWORK_SEARCH_FLAG"));
if (!fwSearchFlag && !sysFwSearchFlag) {
return std::string{};
}
std::set<std::string> emitted;
#ifdef __APPLE__ /* don't insert this when crosscompiling e.g. to iphone */
emitted.insert("/System/Library/Frameworks");
#endif
std::vector<std::string> includes;
lg->GetIncludeDirectories(includes, target, "C", config);
// check all include directories for frameworks as this
// will already have added a -F for the framework
for (std::string const& include : includes) {
if (lg->GetGlobalGenerator()->NameResolvesToFramework(include)) {
std::string frameworkDir = cmStrCat(include, "/../");
frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir);
emitted.insert(frameworkDir);
}
}
std::string flags;
if (cmComputeLinkInformation* cli = target->GetLinkInformation(config)) {
std::vector<std::string> const& frameworks = cli->GetFrameworkPaths();
for (std::string const& framework : frameworks) {
if (emitted.insert(framework).second) {
if (sysFwSearchFlag &&
target->IsSystemIncludeDirectory(framework, config, lang)) {
flags += *sysFwSearchFlag;
} else {
flags += *fwSearchFlag;
}
flags +=
lg->ConvertToOutputFormat(framework, cmOutputConverter::SHELL);
flags += " ";
}
}
}
return flags;
}
std::string cmLocalGenerator::GetXcFrameworkFlags(std::string const& lang,
std::string const& config,
cmGeneratorTarget* target)
{
cmLocalGenerator* lg = target->GetLocalGenerator();
cmMakefile* mf = lg->GetMakefile();
if (!target->IsApple()) {
return std::string();
}
cmValue includeSearchFlag =
mf->GetDefinition(cmStrCat("CMAKE_INCLUDE_FLAG_", lang));
cmValue sysIncludeSearchFlag =
mf->GetDefinition(cmStrCat("CMAKE_INCLUDE_SYSTEM_FLAG_", lang));
if (!includeSearchFlag && !sysIncludeSearchFlag) {
return std::string{};
}
std::string flags;
if (cmComputeLinkInformation* cli = target->GetLinkInformation(config)) {
std::vector<std::string> const& paths = cli->GetXcFrameworkHeaderPaths();
for (std::string const& path : paths) {
if (sysIncludeSearchFlag &&
target->IsSystemIncludeDirectory(path, config, lang)) {
flags += *sysIncludeSearchFlag;
} else {
flags += *includeSearchFlag;
}
flags += lg->ConvertToOutputFormat(path, cmOutputConverter::SHELL);
flags += " ";
}
}
return flags;
}
void cmLocalGenerator::GetTargetDefines(cmGeneratorTarget const* target,
std::string const& config,
std::string const& lang,
std::set<std::string>& defines) const
{
std::set<BT<std::string>> tmp = this->GetTargetDefines(target, config, lang);
for (BT<std::string> const& v : tmp) {
defines.emplace(v.Value);
}
}
std::set<BT<std::string>> cmLocalGenerator::GetTargetDefines(
cmGeneratorTarget const* target, std::string const& config,
std::string const& lang) const
{
std::set<BT<std::string>> defines;
// Add the export symbol definition for shared library objects.
if (const std::string* exportMacro = target->GetExportMacro()) {
this->AppendDefines(defines, *exportMacro);
}
// Add preprocessor definitions for this target and configuration.
std::vector<BT<std::string>> targetDefines =
target->GetCompileDefinitions(config, lang);
this->AppendDefines(defines, targetDefines);
return defines;
}
std::string cmLocalGenerator::GetTargetFortranFlags(
cmGeneratorTarget const* /*unused*/, std::string const& /*unused*/)
{
// Implemented by specific generators that override this.
return std::string();
}
/**
* Output the linking rules on a command line. For executables,
* targetLibrary should be a NULL pointer. For libraries, it should point
* to the name of the library. This will not link a library against itself.
*/
void cmLocalGenerator::OutputLinkLibraries(
cmComputeLinkInformation* pcli, cmLinkLineComputer* linkLineComputer,
std::string& linkLibraries, std::string& frameworkPath,
std::string& linkPath)
{
std::vector<BT<std::string>> linkLibrariesList;
std::vector<BT<std::string>> linkPathList;
this->OutputLinkLibraries(pcli, linkLineComputer, linkLibrariesList,
frameworkPath, linkPathList);
pcli->AppendValues(linkLibraries, linkLibrariesList);
pcli->AppendValues(linkPath, linkPathList);
}
void cmLocalGenerator::OutputLinkLibraries(
cmComputeLinkInformation* pcli, cmLinkLineComputer* linkLineComputer,
std::vector<BT<std::string>>& linkLibraries, std::string& frameworkPath,
std::vector<BT<std::string>>& linkPath)
{
cmComputeLinkInformation& cli = *pcli;
std::string linkLanguage = cli.GetLinkLanguage();
std::string libPathFlag;
if (cmValue value = this->Makefile->GetDefinition(
"CMAKE_" + cli.GetLinkLanguage() + "_LIBRARY_PATH_FLAG")) {
libPathFlag = *value;
} else {
libPathFlag =
this->Makefile->GetRequiredDefinition("CMAKE_LIBRARY_PATH_FLAG");
}
std::string libPathTerminator;
if (cmValue value = this->Makefile->GetDefinition(
"CMAKE_" + cli.GetLinkLanguage() + "_LIBRARY_PATH_TERMINATOR")) {
libPathTerminator = *value;
} else {
libPathTerminator =
this->Makefile->GetRequiredDefinition("CMAKE_LIBRARY_PATH_TERMINATOR");
}
// Add standard libraries for this language.
std::string stdLibString = this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", cli.GetLinkLanguage(), "_STANDARD_LIBRARIES"));
// Append the framework search path flags.
cmValue fwSearchFlag = this->Makefile->GetDefinition(
cmStrCat("CMAKE_", linkLanguage, "_FRAMEWORK_SEARCH_FLAG"));
frameworkPath = linkLineComputer->ComputeFrameworkPath(cli, fwSearchFlag);
linkLineComputer->ComputeLinkPath(cli, libPathFlag, libPathTerminator,
linkPath);
linkLineComputer->ComputeLinkLibraries(cli, stdLibString, linkLibraries);
}
std::string cmLocalGenerator::GetLinkLibsCMP0065(
std::string const& linkLanguage, cmGeneratorTarget& tgt) const
{
std::string linkFlags;
// Flags to link an executable to shared libraries.
if (tgt.GetType() == cmStateEnums::EXECUTABLE &&
this->StateSnapshot.GetState()->GetGlobalPropertyAsBool(
"TARGET_SUPPORTS_SHARED_LIBS")) {
bool add_shlib_flags = false;
switch (tgt.GetPolicyStatusCMP0065()) {
case cmPolicies::WARN:
if (!tgt.GetPropertyAsBool("ENABLE_EXPORTS") &&
this->Makefile->PolicyOptionalWarningEnabled(
"CMAKE_POLICY_WARNING_CMP0065")) {
std::ostringstream w;
/* clang-format off */
w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0065) << "\n"
"For compatibility with older versions of CMake, "
"additional flags may be added to export symbols on all "
"executables regardless of their ENABLE_EXPORTS property.";
/* clang-format on */
this->IssueMessage(MessageType::AUTHOR_WARNING, w.str());
}
CM_FALLTHROUGH;
case cmPolicies::OLD:
// OLD behavior is to always add the flags, except on AIX where
// we compute symbol exports if ENABLE_EXPORTS is on.
add_shlib_flags =
!(tgt.IsAIX() && tgt.GetPropertyAsBool("ENABLE_EXPORTS"));
break;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
this->IssueMessage(
MessageType::FATAL_ERROR,
cmPolicies::GetRequiredPolicyError(cmPolicies::CMP0065));
CM_FALLTHROUGH;
case cmPolicies::NEW:
// NEW behavior is to only add the flags if ENABLE_EXPORTS is on,
// except on AIX where we compute symbol exports.
add_shlib_flags =
!tgt.IsAIX() && tgt.GetPropertyAsBool("ENABLE_EXPORTS");
break;
}
if (add_shlib_flags) {
linkFlags = this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_SHARED_LIBRARY_LINK_", linkLanguage, "_FLAGS"));
}
}
return linkFlags;
}
bool cmLocalGenerator::AllAppleArchSysrootsAreTheSame(
const std::vector<std::string>& archs, cmValue sysroot)
{
if (!sysroot) {
return false;
}
return std::all_of(archs.begin(), archs.end(),
[this, sysroot](std::string const& arch) -> bool {
std::string const& archSysroot =
this->AppleArchSysroots[arch];
return cmIsOff(archSysroot) || *sysroot == archSysroot;
});
}
void cmLocalGenerator::AddArchitectureFlags(std::string& flags,
cmGeneratorTarget const* target,
const std::string& lang,
const std::string& config,
const std::string& filterArch)
{
// Only add Apple specific flags on Apple platforms
if (target->IsApple() && this->EmitUniversalBinaryFlags) {
std::vector<std::string> archs = target->GetAppleArchs(config, lang);
if (!archs.empty() &&
(lang == "C" || lang == "CXX" || lang == "OBJC" || lang == "OBJCXX" ||
lang == "ASM")) {
for (std::string const& arch : archs) {
if (filterArch.empty() || filterArch == arch) {
flags += " -arch ";
flags += arch;
}
}
}
cmValue sysroot = this->Makefile->GetDefinition("CMAKE_OSX_SYSROOT");
if (sysroot && *sysroot == "/") {
sysroot = nullptr;
}
std::string sysrootFlagVar = "CMAKE_" + lang + "_SYSROOT_FLAG";
cmValue sysrootFlag = this->Makefile->GetDefinition(sysrootFlagVar);
if (cmNonempty(sysrootFlag)) {
if (!this->AppleArchSysroots.empty() &&
!this->AllAppleArchSysrootsAreTheSame(archs, sysroot)) {
for (std::string const& arch : archs) {
std::string const& archSysroot = this->AppleArchSysroots[arch];
if (cmIsOff(archSysroot)) {
continue;
}
if (filterArch.empty() || filterArch == arch) {
flags += " -Xarch_" + arch + " ";
// Combine sysroot flag and path to work with -Xarch
std::string arch_sysroot = *sysrootFlag + archSysroot;
flags += this->ConvertToOutputFormat(arch_sysroot, SHELL);
}
}
} else if (cmNonempty(sysroot)) {
flags += " ";
flags += *sysrootFlag;
flags += " ";
flags += this->ConvertToOutputFormat(*sysroot, SHELL);
}
}
cmValue deploymentTarget =
this->Makefile->GetDefinition("CMAKE_OSX_DEPLOYMENT_TARGET");
if (cmNonempty(deploymentTarget)) {
std::string deploymentTargetFlagVar =
"CMAKE_" + lang + "_OSX_DEPLOYMENT_TARGET_FLAG";
cmValue deploymentTargetFlag =
this->Makefile->GetDefinition(deploymentTargetFlagVar);
if (cmNonempty(deploymentTargetFlag) &&
// CMAKE_<LANG>_COMPILER_TARGET overrides a --target= for
// CMAKE_OSX_DEPLOYMENT_TARGET, e.g., for visionOS.
(!cmHasLiteralPrefix(*deploymentTarget, "--target=") ||
this->Makefile
->GetDefinition(cmStrCat("CMAKE_", lang, "_COMPILER_TARGET"))
.IsEmpty())) {
std::string flag = *deploymentTargetFlag;
// Add the deployment target architecture to the flag, if needed.
static const std::string kARCH = "<ARCH>";
std::string::size_type archPos = flag.find(kARCH);
if (archPos != std::string::npos) {
// This placeholder is meant for visionOS, so default to arm64
// unless only non-arm64 archs are given.
std::string const arch =
(archs.empty() || cm::contains(archs, "arm64")) ? "arm64"
: archs[0];
// Replace the placeholder with its value.
flag = cmStrCat(flag.substr(0, archPos), arch,
flag.substr(archPos + kARCH.size()));
}
// Add the deployment target version to the flag.
static const std::string kVERSION_MIN = "<VERSION_MIN>";
std::string::size_type verPos = flag.find(kVERSION_MIN);
if (verPos != std::string::npos) {
// Replace the placeholder with its value.
flag = cmStrCat(flag.substr(0, verPos), *deploymentTarget,
flag.substr(verPos + kVERSION_MIN.size()));
} else {
// There is no placeholder, so append the value.
flag = cmStrCat(flag, *deploymentTarget);
}
flags += " ";
flags += flag;
}
}
}
}
void cmLocalGenerator::AddLanguageFlags(std::string& flags,
cmGeneratorTarget const* target,
cmBuildStep compileOrLink,
const std::string& lang,
const std::string& config)
{
// Add language-specific flags.
this->AddConfigVariableFlags(flags, cmStrCat("CMAKE_", lang, "_FLAGS"),
config);
// Add the language standard flag for compiling, and sometimes linking.
if (compileOrLink == cmBuildStep::Compile ||
(compileOrLink == cmBuildStep::Link &&
// Some toolchains require use of the language standard flag
// when linking in order to use the matching standard library.
// FIXME: If CMake gains an abstraction for standard library
// selection, this will have to be reconciled with it.
this->Makefile->IsOn(
cmStrCat("CMAKE_", lang, "_LINK_WITH_STANDARD_COMPILE_OPTION")))) {
cmStandardLevelResolver standardResolver(this->Makefile);
std::string const& optionFlagDef =
standardResolver.GetCompileOptionDef(target, lang, config);
if (!optionFlagDef.empty()) {
cmValue opt =
target->Target->GetMakefile()->GetDefinition(optionFlagDef);
if (opt) {
cmList optList{ *opt };
for (std::string const& i : optList) {
this->AppendFlagEscape(flags, i);
}
}
}
}
std::string compiler = this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_COMPILER_ID"));
std::string compilerSimulateId = this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_SIMULATE_ID"));
if (lang == "Swift") {
if (cmValue v = target->GetProperty("Swift_LANGUAGE_VERSION")) {
if (cmSystemTools::VersionCompare(
cmSystemTools::OP_GREATER_EQUAL,
this->Makefile->GetDefinition("CMAKE_Swift_COMPILER_VERSION"),
"4.2")) {
this->AppendFlags(flags, "-swift-version " + *v);
}
}
} else if (lang == "CUDA") {
target->AddCUDAArchitectureFlags(compileOrLink, config, flags);
target->AddCUDAToolkitFlags(flags);
} else if (lang == "ISPC") {
target->AddISPCTargetFlags(flags);
} else if (lang == "RC" &&
this->Makefile->GetSafeDefinition("CMAKE_RC_COMPILER")
.find("llvm-rc") != std::string::npos) {
compiler = this->Makefile->GetSafeDefinition("CMAKE_C_COMPILER_ID");
if (!compiler.empty()) {
compilerSimulateId =
this->Makefile->GetSafeDefinition("CMAKE_C_SIMULATE_ID");
} else {
compiler = this->Makefile->GetSafeDefinition("CMAKE_CXX_COMPILER_ID");
compilerSimulateId =
this->Makefile->GetSafeDefinition("CMAKE_CXX_SIMULATE_ID");
}
} else if (lang == "HIP") {
target->AddHIPArchitectureFlags(compileOrLink, config, flags);
}
// Add VFS Overlay for Clang compilers
if (compiler == "Clang") {
if (cmValue vfsOverlay =
this->Makefile->GetDefinition("CMAKE_CLANG_VFS_OVERLAY")) {
if (compilerSimulateId == "MSVC") {
this->AppendCompileOptions(
flags,
std::vector<std::string>{ "-Xclang", "-ivfsoverlay", "-Xclang",
*vfsOverlay });
} else {
this->AppendCompileOptions(
flags, std::vector<std::string>{ "-ivfsoverlay", *vfsOverlay });
}
}
}
// Add MSVC runtime library flags. This is activated by the presence
// of a default selection whether or not it is overridden by a property.
cmValue msvcRuntimeLibraryDefault =
this->Makefile->GetDefinition("CMAKE_MSVC_RUNTIME_LIBRARY_DEFAULT");
if (cmNonempty(msvcRuntimeLibraryDefault)) {
cmValue msvcRuntimeLibraryValue =
target->GetProperty("MSVC_RUNTIME_LIBRARY");
if (!msvcRuntimeLibraryValue) {
msvcRuntimeLibraryValue = msvcRuntimeLibraryDefault;
}
std::string const msvcRuntimeLibrary = cmGeneratorExpression::Evaluate(
*msvcRuntimeLibraryValue, this, config, target);
if (!msvcRuntimeLibrary.empty()) {
if (cmValue msvcRuntimeLibraryOptions = this->Makefile->GetDefinition(
"CMAKE_" + lang + "_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_" +
msvcRuntimeLibrary)) {
this->AppendCompileOptions(flags, *msvcRuntimeLibraryOptions);
} else if ((this->Makefile->GetSafeDefinition(
"CMAKE_" + lang + "_COMPILER_ID") == "MSVC" ||
this->Makefile->GetSafeDefinition(
"CMAKE_" + lang + "_SIMULATE_ID") == "MSVC") &&
!cmSystemTools::GetErrorOccurredFlag()) {
// The compiler uses the MSVC ABI so it needs a known runtime library.
this->IssueMessage(MessageType::FATAL_ERROR,
"MSVC_RUNTIME_LIBRARY value '" +
msvcRuntimeLibrary + "' not known for this " +
lang + " compiler.");
}
}
}
// Add Watcom runtime library flags. This is activated by the presence
// of a default selection whether or not it is overridden by a property.
cmValue watcomRuntimeLibraryDefault =
this->Makefile->GetDefinition("CMAKE_WATCOM_RUNTIME_LIBRARY_DEFAULT");
if (cmNonempty(watcomRuntimeLibraryDefault)) {
cmValue watcomRuntimeLibraryValue =
target->GetProperty("WATCOM_RUNTIME_LIBRARY");
if (!watcomRuntimeLibraryValue) {
watcomRuntimeLibraryValue = watcomRuntimeLibraryDefault;
}
std::string const watcomRuntimeLibrary = cmGeneratorExpression::Evaluate(
*watcomRuntimeLibraryValue, this, config, target);
if (!watcomRuntimeLibrary.empty()) {
if (cmValue watcomRuntimeLibraryOptions = this->Makefile->GetDefinition(
"CMAKE_" + lang + "_COMPILE_OPTIONS_WATCOM_RUNTIME_LIBRARY_" +
watcomRuntimeLibrary)) {
this->AppendCompileOptions(flags, *watcomRuntimeLibraryOptions);
} else if ((this->Makefile->GetSafeDefinition(
"CMAKE_" + lang + "_COMPILER_ID") == "OpenWatcom" ||
this->Makefile->GetSafeDefinition(
"CMAKE_" + lang + "_SIMULATE_ID") == "OpenWatcom") &&
!cmSystemTools::GetErrorOccurredFlag()) {
// The compiler uses the Watcom ABI so it needs a known runtime
// library.
this->IssueMessage(MessageType::FATAL_ERROR,
"WATCOM_RUNTIME_LIBRARY value '" +
watcomRuntimeLibrary + "' not known for this " +
lang + " compiler.");
}
}
}
// Add MSVC debug information format flags if CMP0141 is NEW.
if (cm::optional<std::string> msvcDebugInformationFormat =
this->GetMSVCDebugFormatName(config, target)) {
if (!msvcDebugInformationFormat->empty()) {
if (cmValue msvcDebugInformationFormatOptions =
this->Makefile->GetDefinition(
cmStrCat("CMAKE_", lang,
"_COMPILE_OPTIONS_MSVC_DEBUG_INFORMATION_FORMAT_",
*msvcDebugInformationFormat))) {
this->AppendCompileOptions(flags, *msvcDebugInformationFormatOptions);
} else if ((this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_COMPILER_ID")) == "MSVC"_s ||
this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_SIMULATE_ID")) == "MSVC"_s) &&
!cmSystemTools::GetErrorOccurredFlag()) {
// The compiler uses the MSVC ABI so it needs a known runtime library.
this->IssueMessage(MessageType::FATAL_ERROR,
cmStrCat("MSVC_DEBUG_INFORMATION_FORMAT value '",
*msvcDebugInformationFormat,
"' not known for this ", lang,
" compiler."));
}
}
}
}
void cmLocalGenerator::AddLanguageFlagsForLinking(
std::string& flags, cmGeneratorTarget const* target, const std::string& lang,
const std::string& config)
{
this->AddLanguageFlags(flags, target, cmBuildStep::Link, lang, config);
if (target->IsIPOEnabled(lang, config)) {
this->AppendFeatureOptions(flags, lang, "IPO");
}
}
cmGeneratorTarget* cmLocalGenerator::FindGeneratorTargetToUse(
const std::string& name) const
{
auto imported = this->ImportedGeneratorTargets.find(name);
if (imported != this->ImportedGeneratorTargets.end()) {
return imported->second;
}
// find local alias to imported target
auto aliased = this->AliasTargets.find(name);
if (aliased != this->AliasTargets.end()) {
imported = this->ImportedGeneratorTargets.find(aliased->second);
if (imported != this->ImportedGeneratorTargets.end()) {
return imported->second;
}
}
if (cmGeneratorTarget* t = this->FindLocalNonAliasGeneratorTarget(name)) {
return t;
}
return this->GetGlobalGenerator()->FindGeneratorTarget(name);
}
bool cmLocalGenerator::GetRealDependency(const std::string& inName,
const std::string& config,
std::string& dep)
{
// Older CMake code may specify the dependency using the target
// output file rather than the target name. Such code would have
// been written before there was support for target properties that
// modify the name so stripping down to just the file name should
// produce the target name in this case.
std::string name = cmSystemTools::GetFilenameName(inName);
// If the input name is the empty string, there is no real
// dependency. Short-circuit the other checks:
if (name.empty()) {
return false;
}
if (cmSystemTools::GetFilenameLastExtension(name) == ".exe") {
name = cmSystemTools::GetFilenameWithoutLastExtension(name);
}
// Look for a CMake target with the given name.
if (cmGeneratorTarget* target = this->FindGeneratorTargetToUse(name)) {
// make sure it is not just a coincidence that the target name
// found is part of the inName
if (cmSystemTools::FileIsFullPath(inName)) {
std::string tLocation;
if (target->GetType() >= cmStateEnums::EXECUTABLE &&
target->GetType() <= cmStateEnums::MODULE_LIBRARY) {
tLocation = target->GetLocation(config);
tLocation = cmSystemTools::GetFilenamePath(tLocation);
tLocation = cmSystemTools::CollapseFullPath(tLocation);
}
std::string depLocation =
cmSystemTools::GetFilenamePath(std::string(inName));
depLocation = cmSystemTools::CollapseFullPath(depLocation);
if (depLocation != tLocation) {
// it is a full path to a depend that has the same name
// as a target but is in a different location so do not use
// the target as the depend
dep = inName;
return true;
}
}
switch (target->GetType()) {
case cmStateEnums::EXECUTABLE:
case cmStateEnums::STATIC_LIBRARY:
case cmStateEnums::SHARED_LIBRARY:
case cmStateEnums::MODULE_LIBRARY:
case cmStateEnums::UNKNOWN_LIBRARY:
dep = target->GetFullPath(config, cmStateEnums::RuntimeBinaryArtifact,
/*realname=*/true);
return true;
case cmStateEnums::OBJECT_LIBRARY:
// An object library has no single file on which to depend.
// This was listed to get the target-level dependency.
case cmStateEnums::INTERFACE_LIBRARY:
// An interface library has no file on which to depend.
// This was listed to get the target-level dependency.
case cmStateEnums::UTILITY:
case cmStateEnums::GLOBAL_TARGET:
// A utility target has no file on which to depend. This was listed
// only to get the target-level dependency.
return false;
}
}
// The name was not that of a CMake target. It must name a file.
if (cmSystemTools::FileIsFullPath(inName)) {
// This is a full path. Return it as given.
dep = inName;
return true;
}
// Check for a source file in this directory that matches the
// dependency.
if (cmSourceFile* sf = this->Makefile->GetSource(inName)) {
dep = sf->ResolveFullPath();
return true;
}
// Treat the name as relative to the source directory in which it
// was given.
dep = cmStrCat(this->GetCurrentSourceDirectory(), '/', inName);
// If the in-source path does not exist, assume it instead lives in the
// binary directory.
if (!cmSystemTools::FileExists(dep)) {
dep = cmStrCat(this->GetCurrentBinaryDirectory(), '/', inName);
}
dep = cmSystemTools::CollapseFullPath(dep, this->GetBinaryDirectory());
return true;
}
void cmLocalGenerator::AddSharedFlags(std::string& flags,
const std::string& lang, bool shared)
{
std::string flagsVar;
// Add flags for dealing with shared libraries for this language.
if (shared) {
this->AppendFlags(flags,
this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_SHARED_LIBRARY_", lang, "_FLAGS")));
}
}
static void AddVisibilityCompileOption(std::string& flags,
cmGeneratorTarget const* target,
cmLocalGenerator* lg,
const std::string& lang,
std::string* warnCMP0063)
{
std::string compileOption = "CMAKE_" + lang + "_COMPILE_OPTIONS_VISIBILITY";
cmValue opt = lg->GetMakefile()->GetDefinition(compileOption);
if (!opt) {
return;
}
std::string flagDefine = lang + "_VISIBILITY_PRESET";
cmValue prop = target->GetProperty(flagDefine);
if (!prop) {
return;
}
if (warnCMP0063) {
*warnCMP0063 += " " + flagDefine + "\n";
return;
}
if ((*prop != "hidden") && (*prop != "default") && (*prop != "protected") &&
(*prop != "internal")) {
std::ostringstream e;
e << "Target " << target->GetName() << " uses unsupported value \""
<< *prop << "\" for " << flagDefine << "."
<< " The supported values are: default, hidden, protected, and "
"internal.";
cmSystemTools::Error(e.str());
return;
}
std::string option = *opt + *prop;
lg->AppendFlags(flags, option);
}
static void AddInlineVisibilityCompileOption(std::string& flags,
cmGeneratorTarget const* target,
cmLocalGenerator* lg,
std::string* warnCMP0063,
const std::string& lang)
{
std::string compileOption =
cmStrCat("CMAKE_", lang, "_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN");
cmValue opt = lg->GetMakefile()->GetDefinition(compileOption);
if (!opt) {
return;
}
bool prop = target->GetPropertyAsBool("VISIBILITY_INLINES_HIDDEN");
if (!prop) {
return;
}
if (warnCMP0063) {
*warnCMP0063 += " VISIBILITY_INLINES_HIDDEN\n";
return;
}
lg->AppendFlags(flags, *opt);
}
void cmLocalGenerator::AddVisibilityPresetFlags(
std::string& flags, cmGeneratorTarget const* target, const std::string& lang)
{
if (lang.empty()) {
return;
}
std::string warnCMP0063;
std::string* pWarnCMP0063 = nullptr;
if (target->GetType() != cmStateEnums::SHARED_LIBRARY &&
target->GetType() != cmStateEnums::MODULE_LIBRARY &&
!target->IsExecutableWithExports()) {
switch (target->GetPolicyStatusCMP0063()) {
case cmPolicies::OLD:
return;
case cmPolicies::WARN:
pWarnCMP0063 = &warnCMP0063;
break;
default:
break;
}
}
AddVisibilityCompileOption(flags, target, this, lang, pWarnCMP0063);
if (lang == "CXX" || lang == "OBJCXX") {
AddInlineVisibilityCompileOption(flags, target, this, pWarnCMP0063, lang);
}
if (!warnCMP0063.empty() && this->WarnCMP0063.insert(target).second) {
std::ostringstream w;
/* clang-format off */
w <<
cmPolicies::GetPolicyWarning(cmPolicies::CMP0063) << "\n"
"Target \"" << target->GetName() << "\" of "
"type \"" << cmState::GetTargetTypeName(target->GetType()) << "\" "
"has the following visibility properties set for " << lang << ":\n" <<
warnCMP0063 <<
"For compatibility CMake is not honoring them for this target.";
/* clang-format on */
target->GetLocalGenerator()->GetCMakeInstance()->IssueMessage(
MessageType::AUTHOR_WARNING, w.str(), target->GetBacktrace());
}
}
void cmLocalGenerator::AddCMP0018Flags(std::string& flags,
cmGeneratorTarget const* target,
std::string const& lang,
const std::string& config)
{
int targetType = target->GetType();
bool shared = ((targetType == cmStateEnums::SHARED_LIBRARY) ||
(targetType == cmStateEnums::MODULE_LIBRARY));
if (this->GetShouldUseOldFlags(shared, lang)) {
this->AddSharedFlags(flags, lang, shared);
} else {
if (target->GetLinkInterfaceDependentBoolProperty(
"POSITION_INDEPENDENT_CODE", config)) {
this->AddPositionIndependentFlags(flags, lang, targetType);
}
if (shared) {
this->AppendFeatureOptions(flags, lang, "DLL");
}
}
}
bool cmLocalGenerator::GetShouldUseOldFlags(bool shared,
const std::string& lang) const
{
std::string originalFlags =
this->GlobalGenerator->GetSharedLibFlagsForLanguage(lang);
if (shared) {
std::string flagsVar = cmStrCat("CMAKE_SHARED_LIBRARY_", lang, "_FLAGS");
std::string const& flags = this->Makefile->GetSafeDefinition(flagsVar);
if (flags != originalFlags) {
switch (this->GetPolicyStatus(cmPolicies::CMP0018)) {
case cmPolicies::WARN: {
std::ostringstream e;
e << "Variable " << flagsVar
<< " has been modified. CMake "
"will ignore the POSITION_INDEPENDENT_CODE target property "
"for "
"shared libraries and will use the "
<< flagsVar
<< " variable "
"instead. This may cause errors if the original content of "
<< flagsVar << " was removed.\n"
<< cmPolicies::GetPolicyWarning(cmPolicies::CMP0018);
this->IssueMessage(MessageType::AUTHOR_WARNING, e.str());
CM_FALLTHROUGH;
}
case cmPolicies::OLD:
return true;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
return false;
}
}
}
return false;
}
void cmLocalGenerator::AddPositionIndependentFlags(std::string& flags,
std::string const& lang,
int targetType)
{
std::string picFlags;
if (targetType == cmStateEnums::EXECUTABLE) {
picFlags = this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_COMPILE_OPTIONS_PIE"));
}
if (picFlags.empty()) {
picFlags = this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_COMPILE_OPTIONS_PIC"));
}
if (!picFlags.empty()) {
cmList options{ picFlags };
for (std::string const& o : options) {
this->AppendFlagEscape(flags, o);
}
}
}
void cmLocalGenerator::AddColorDiagnosticsFlags(std::string& flags,
const std::string& lang)
{
cmValue diag = this->Makefile->GetDefinition("CMAKE_COLOR_DIAGNOSTICS");
if (diag.IsSet()) {
std::string colorFlagName;
if (diag.IsOn()) {
colorFlagName =
cmStrCat("CMAKE_", lang, "_COMPILE_OPTIONS_COLOR_DIAGNOSTICS");
} else {
colorFlagName =
cmStrCat("CMAKE_", lang, "_COMPILE_OPTIONS_COLOR_DIAGNOSTICS_OFF");
}
cmList options{ this->Makefile->GetDefinition(colorFlagName) };
for (auto const& option : options) {
this->AppendFlagEscape(flags, option);
}
}
}
void cmLocalGenerator::AddConfigVariableFlags(std::string& flags,
const std::string& var,
const std::string& config)
{
// Add the flags from the variable itself.
this->AppendFlags(flags, this->Makefile->GetSafeDefinition(var));
// Add the flags from the build-type specific variable.
if (!config.empty()) {
const std::string flagsVar =
cmStrCat(var, '_', cmSystemTools::UpperCase(config));
this->AppendFlags(flags, this->Makefile->GetSafeDefinition(flagsVar));
}
}
void cmLocalGenerator::AppendFlags(std::string& flags,
const std::string& newFlags) const
{
bool allSpaces = std::all_of(newFlags.begin(), newFlags.end(), cmIsSpace);
if (!newFlags.empty() && !allSpaces) {
if (!flags.empty()) {
flags += " ";
}
flags += newFlags;
}
}
void cmLocalGenerator::AppendFlags(
std::string& flags, const std::vector<BT<std::string>>& newFlags) const
{
for (BT<std::string> const& flag : newFlags) {
this->AppendFlags(flags, flag.Value);
}
}
void cmLocalGenerator::AppendFlagEscape(std::string& flags,
const std::string& rawFlag) const
{
this->AppendFlags(
flags,
this->EscapeForShell(rawFlag, false, false, false, this->IsNinjaMulti()));
}
void cmLocalGenerator::AddISPCDependencies(cmGeneratorTarget* target)
{
std::vector<std::string> enabledLanguages =
this->GetState()->GetEnabledLanguages();
if (std::find(enabledLanguages.begin(), enabledLanguages.end(), "ISPC") ==
enabledLanguages.end()) {
return;
}
cmValue ispcHeaderSuffixProp = target->GetProperty("ISPC_HEADER_SUFFIX");
assert(ispcHeaderSuffixProp);
std::vector<std::string> ispcArchSuffixes =
detail::ComputeISPCObjectSuffixes(target);
const bool extra_objects = (ispcArchSuffixes.size() > 1);
std::vector<std::string> configsList =
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
for (std::string const& config : configsList) {
std::string rootObjectDir = target->GetObjectDirectory(config);
std::string headerDir = rootObjectDir;
if (cmValue prop = target->GetProperty("ISPC_HEADER_DIRECTORY")) {
headerDir = cmSystemTools::CollapseFullPath(
cmStrCat(this->GetBinaryDirectory(), '/', *prop));
}
std::vector<cmSourceFile*> sources;
target->GetSourceFiles(sources, config);
// build up the list of ispc headers and extra objects that this target is
// generating
for (cmSourceFile const* sf : sources) {
// Generate this object file's rule file.
const std::string& lang = sf->GetLanguage();
if (lang == "ISPC") {
std::string const& objectName = target->GetObjectName(sf);
// Drop both ".obj" and the source file extension
std::string ispcSource =
cmSystemTools::GetFilenameWithoutLastExtension(objectName);
ispcSource =
cmSystemTools::GetFilenameWithoutLastExtension(ispcSource);
auto headerPath =
cmStrCat(headerDir, '/', ispcSource, *ispcHeaderSuffixProp);
target->AddISPCGeneratedHeader(headerPath, config);
if (extra_objects) {
std::vector<std::string> objs = detail::ComputeISPCExtraObjects(
objectName, rootObjectDir, ispcArchSuffixes);
target->AddISPCGeneratedObject(std::move(objs), config);
}
}
}
}
}
void cmLocalGenerator::AddPchDependencies(cmGeneratorTarget* target)
{
std::vector<std::string> configsList =
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
for (std::string const& config : configsList) {
// FIXME: Refactor collection of sources to not evaluate object
// libraries.
std::vector<cmSourceFile*> sources;
target->GetSourceFiles(sources, config);
const std::string configUpper = cmSystemTools::UpperCase(config);
static const std::array<std::string, 4> langs = { { "C", "CXX", "OBJC",
"OBJCXX" } };
std::set<std::string> pchLangSet;
if (this->GetGlobalGenerator()->IsXcode()) {
for (const std::string& lang : langs) {
const std::string pchHeader = target->GetPchHeader(config, lang, "");
if (!pchHeader.empty()) {
pchLangSet.emplace(lang);
}
}
}
for (const std::string& lang : langs) {
auto langSources = std::count_if(
sources.begin(), sources.end(), [lang](cmSourceFile* sf) {
return lang == sf->GetLanguage() &&
!sf->GetProperty("SKIP_PRECOMPILE_HEADERS");
});
if (langSources == 0) {
continue;
}
std::vector<std::string> architectures;
if (!this->GetGlobalGenerator()->IsXcode()) {
architectures = target->GetAppleArchs(config, lang);
}
if (architectures.empty()) {
architectures.emplace_back();
} else {
std::string useMultiArchPch;
for (const std::string& arch : architectures) {
const std::string pchHeader =
target->GetPchHeader(config, lang, arch);
if (!pchHeader.empty()) {
useMultiArchPch = cmStrCat(useMultiArchPch, ";-Xarch_", arch,
";-include", pchHeader);
}
}
if (!useMultiArchPch.empty()) {
target->Target->AppendProperty(
cmStrCat(lang, "_COMPILE_OPTIONS_USE_PCH"),
cmStrCat("$<$<CONFIG:", config, ">:", useMultiArchPch, ">"));
}
}
for (const std::string& arch : architectures) {
const std::string pchSource = target->GetPchSource(config, lang, arch);
const std::string pchHeader = target->GetPchHeader(config, lang, arch);
if (pchSource.empty() || pchHeader.empty()) {
if (this->GetGlobalGenerator()->IsXcode() && !pchLangSet.empty()) {
for (auto* sf : sources) {
const auto sourceLanguage = sf->GetLanguage();
if (!sourceLanguage.empty() &&
pchLangSet.find(sourceLanguage) == pchLangSet.end()) {
sf->SetProperty("SKIP_PRECOMPILE_HEADERS", "ON");
}
}
}
continue;
}
cmValue pchExtension =
this->Makefile->GetDefinition("CMAKE_PCH_EXTENSION");
if (pchExtension.IsEmpty()) {
continue;
}
cmValue ReuseFrom =
target->GetProperty("PRECOMPILE_HEADERS_REUSE_FROM");
auto* pch_sf = this->Makefile->GetOrCreateSource(
pchSource, false, cmSourceFileLocationKind::Known);
// PCH sources should never be scanned as they cannot contain C++
// module references.
pch_sf->SetProperty("CXX_SCAN_FOR_MODULES", "0");
if (!this->GetGlobalGenerator()->IsXcode()) {
if (!ReuseFrom) {
target->AddSource(pchSource, true);
}
const std::string pchFile = target->GetPchFile(config, lang, arch);
// Exclude the pch files from linking
if (this->Makefile->IsOn("CMAKE_LINK_PCH")) {
if (!ReuseFrom) {
pch_sf->AppendProperty(
"OBJECT_OUTPUTS",
cmStrCat("$<$<CONFIG:", config, ">:", pchFile, ">"));
} else {
auto* reuseTarget =
this->GlobalGenerator->FindGeneratorTarget(*ReuseFrom);
if (this->Makefile->IsOn("CMAKE_PCH_COPY_COMPILE_PDB")) {
const std::string compilerId =
this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_COMPILER_ID"));
const std::string compilerVersion =
this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_COMPILER_VERSION"));
const std::string langFlags =
this->Makefile->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_FLAGS_", configUpper));
bool editAndContinueDebugInfo = false;
bool programDatabaseDebugInfo = false;
cm::optional<std::string> msvcDebugInformationFormat =
this->GetMSVCDebugFormatName(config, target);
if (msvcDebugInformationFormat &&
!msvcDebugInformationFormat->empty()) {
editAndContinueDebugInfo =
*msvcDebugInformationFormat == "EditAndContinue";
programDatabaseDebugInfo =
*msvcDebugInformationFormat == "ProgramDatabase";
} else {
editAndContinueDebugInfo =
langFlags.find("/ZI") != std::string::npos ||
langFlags.find("-ZI") != std::string::npos;
programDatabaseDebugInfo =
langFlags.find("/Zi") != std::string::npos ||
langFlags.find("-Zi") != std::string::npos;
}
// MSVC 2008 is producing both .pdb and .idb files with /Zi.
bool msvc2008OrLess =
cmSystemTools::VersionCompare(cmSystemTools::OP_LESS,
compilerVersion, "16.0") &&
compilerId == "MSVC";
// but not when used via toolset -Tv90
if (this->Makefile->GetSafeDefinition(
"CMAKE_VS_PLATFORM_TOOLSET") == "v90") {
msvc2008OrLess = false;
}
if (editAndContinueDebugInfo || msvc2008OrLess) {
this->CopyPchCompilePdb(config, lang, target, *ReuseFrom,
reuseTarget, { ".pdb", ".idb" });
} else if (programDatabaseDebugInfo) {
this->CopyPchCompilePdb(config, lang, target, *ReuseFrom,
reuseTarget, { ".pdb" });
}
}
// Link to the pch object file
std::string pchSourceObj =
reuseTarget->GetPchFileObject(config, lang, arch);
if (target->GetType() != cmStateEnums::OBJECT_LIBRARY) {
std::string linkerProperty = "LINK_FLAGS_";
if (target->GetType() == cmStateEnums::STATIC_LIBRARY) {
linkerProperty = "STATIC_LIBRARY_FLAGS_";
}
target->Target->AppendProperty(
cmStrCat(linkerProperty, configUpper),
cmStrCat(" ",
this->ConvertToOutputFormat(pchSourceObj, SHELL)),
cm::nullopt, true);
} else if (reuseTarget->GetType() ==
cmStateEnums::OBJECT_LIBRARY) {
target->Target->AppendProperty(
"INTERFACE_LINK_LIBRARIES",
cmStrCat("$<$<CONFIG:", config,
">:$<LINK_ONLY:", pchSourceObj, ">>"));
}
}
} else {
pch_sf->SetProperty("PCH_EXTENSION", pchExtension);
}
// Add pchHeader to source files, which will
// be grouped as "Precompile Header File"
auto* pchHeader_sf = this->Makefile->GetOrCreateSource(
pchHeader, false, cmSourceFileLocationKind::Known);
std::string err;
pchHeader_sf->ResolveFullPath(&err);
if (!err.empty()) {
std::ostringstream msg;
msg << "Unable to resolve full path of PCH-header '" << pchHeader
<< "' assigned to target " << target->GetName()
<< ", although its path is supposed to be known!";
this->IssueMessage(MessageType::FATAL_ERROR, msg.str());
}
target->AddSource(pchHeader);
}
}
}
}
}
void cmLocalGenerator::CopyPchCompilePdb(
const std::string& config, const std::string& language,
cmGeneratorTarget* target, const std::string& ReuseFrom,
cmGeneratorTarget* reuseTarget, const std::vector<std::string>& extensions)
{
const std::string pdb_prefix =
this->GetGlobalGenerator()->IsMultiConfig() ? cmStrCat(config, "/") : "";
const std::string target_compile_pdb_dir =
cmStrCat(target->GetLocalGenerator()->GetCurrentBinaryDirectory(), "/",
target->GetName(), ".dir/");
const std::string copy_script = cmStrCat(
target_compile_pdb_dir, "copy_idb_pdb_", config.c_str(), ".cmake");
cmGeneratedFileStream file(copy_script);
file << "# CMake generated file\n";
file << "# The compiler generated pdb file needs to be written to disk\n"
<< "# by mspdbsrv. The foreach retry loop is needed to make sure\n"
<< "# the pdb file is ready to be copied.\n\n";
for (auto const& extension : extensions) {
const std::string from_file =
cmStrCat(reuseTarget->GetLocalGenerator()->GetCurrentBinaryDirectory(),
"/", ReuseFrom, ".dir/${PDB_PREFIX}", ReuseFrom, extension);
const std::string to_dir =
cmStrCat(target->GetLocalGenerator()->GetCurrentBinaryDirectory(), "/",
target->GetName(), ".dir/${PDB_PREFIX}");
const std::string to_file = cmStrCat(to_dir, ReuseFrom, extension);
std::string dest_file = to_file;
std::string const& prefix = target->GetSafeProperty("PREFIX");
if (!prefix.empty()) {
dest_file = cmStrCat(to_dir, prefix, ReuseFrom, extension);
}
file << "foreach(retry RANGE 1 30)\n";
file << " if (EXISTS \"" << from_file << "\" AND (NOT EXISTS \""
<< dest_file << "\" OR NOT \"" << dest_file << " \" IS_NEWER_THAN \""
<< from_file << "\"))\n";
file << " execute_process(COMMAND ${CMAKE_COMMAND} -E copy";
file << " \"" << from_file << "\""
<< " \"" << to_dir << "\" RESULT_VARIABLE result "
<< " ERROR_QUIET)\n";
file << " if (NOT result EQUAL 0)\n"
<< " execute_process(COMMAND ${CMAKE_COMMAND}"
<< " -E sleep 1)\n"
<< " else()\n";
if (!prefix.empty()) {
file << " file(REMOVE \"" << dest_file << "\")\n";
file << " file(RENAME \"" << to_file << "\" \"" << dest_file << "\")\n";
}
file << " break()\n"
<< " endif()\n";
file << " elseif(NOT EXISTS \"" << from_file << "\")\n"
<< " execute_process(COMMAND ${CMAKE_COMMAND}"
<< " -E sleep 1)\n"
<< " endif()\n";
file << "endforeach()\n";
}
auto configGenex = [&](cm::string_view expr) -> std::string {
if (this->GetGlobalGenerator()->IsMultiConfig()) {
return cmStrCat("$<$<CONFIG:", config, ">:", expr, ">");
}
return std::string(expr);
};
cmCustomCommandLines commandLines = cmMakeSingleCommandLine(
{ configGenex(cmSystemTools::GetCMakeCommand()),
configGenex(cmStrCat("-DPDB_PREFIX=", pdb_prefix)), configGenex("-P"),
configGenex(copy_script) });
const char* no_message = "";
std::vector<std::string> outputs;
outputs.push_back(configGenex(
cmStrCat(target_compile_pdb_dir, pdb_prefix, ReuseFrom, ".pdb")));
auto cc = cm::make_unique<cmCustomCommand>();
cc->SetCommandLines(commandLines);
cc->SetComment(no_message);
cc->SetStdPipesUTF8(true);
cc->AppendDepends({ reuseTarget->GetPchFile(config, language) });
if (this->GetGlobalGenerator()->IsVisualStudio()) {
cc->SetByproducts(outputs);
this->AddCustomCommandToTarget(
target->GetName(), cmCustomCommandType::PRE_BUILD, std::move(cc),
cmObjectLibraryCommands::Accept);
} else {
cc->SetOutputs(outputs);
cmSourceFile* copy_rule = this->AddCustomCommandToOutput(std::move(cc));
copy_rule->SetProperty("CXX_SCAN_FOR_MODULES", "0");
if (copy_rule) {
target->AddSource(copy_rule->ResolveFullPath());
}
}
target->Target->SetProperty("COMPILE_PDB_OUTPUT_DIRECTORY",
target_compile_pdb_dir);
}
cm::optional<std::string> cmLocalGenerator::GetMSVCDebugFormatName(
std::string const& config, cmGeneratorTarget const* target)
{
// MSVC debug information format selection is activated by the presence
// of a default whether or not it is overridden by a property.
cm::optional<std::string> msvcDebugInformationFormat;
cmValue msvcDebugInformationFormatDefault = this->Makefile->GetDefinition(
"CMAKE_MSVC_DEBUG_INFORMATION_FORMAT_DEFAULT");
if (cmNonempty(msvcDebugInformationFormatDefault)) {
cmValue msvcDebugInformationFormatValue =
target->GetProperty("MSVC_DEBUG_INFORMATION_FORMAT");
if (!msvcDebugInformationFormatValue) {
msvcDebugInformationFormatValue = msvcDebugInformationFormatDefault;
}
msvcDebugInformationFormat = cmGeneratorExpression::Evaluate(
*msvcDebugInformationFormatValue, this, config, target);
}
return msvcDebugInformationFormat;
}
cm::optional<cmSwiftCompileMode> cmLocalGenerator::GetSwiftCompileMode(
cmGeneratorTarget const* target, std::string const& config)
{
cmMakefile const* mf = this->GetMakefile();
cmValue const swiftCompileModeDefault =
mf->GetDefinition("CMAKE_Swift_COMPILATION_MODE_DEFAULT");
if (!cmNonempty(swiftCompileModeDefault)) {
return {};
}
cmValue swiftCompileMode = target->GetProperty("Swift_COMPILATION_MODE");
if (!swiftCompileMode) {
swiftCompileMode = swiftCompileModeDefault;
}
std::string const expandedCompileMode =
cmGeneratorExpression::Evaluate(*swiftCompileMode, this, config, target);
if (expandedCompileMode == "wholemodule") {
return cmSwiftCompileMode::Wholemodule;
}
if (expandedCompileMode == "singlefile") {
return cmSwiftCompileMode::Singlefile;
}
if (expandedCompileMode == "incremental") {
return cmSwiftCompileMode::Incremental;
}
return cmSwiftCompileMode::Unknown;
}
bool cmLocalGenerator::IsSplitSwiftBuild() const
{
return cmNonempty(this->GetMakefile()->GetDefinition(
"CMAKE_Swift_COMPILATION_MODE_DEFAULT"));
}
namespace {
inline void RegisterUnitySources(cmGeneratorTarget* target, cmSourceFile* sf,
std::string const& filename)
{
target->AddSourceFileToUnityBatch(sf->ResolveFullPath());
sf->SetProperty("UNITY_SOURCE_FILE", filename);
}
}
cmLocalGenerator::UnitySource cmLocalGenerator::WriteUnitySource(
cmGeneratorTarget* target, std::vector<std::string> const& configs,
cmRange<std::vector<UnityBatchedSource>::const_iterator> sources,
cmValue beforeInclude, cmValue afterInclude, std::string filename) const
{
cmValue uniqueIdName = target->GetProperty("UNITY_BUILD_UNIQUE_ID");
cmGeneratedFileStream file(
filename, false, target->GetGlobalGenerator()->GetMakefileEncoding());
file.SetCopyIfDifferent(true);
file << "/* generated by CMake */\n\n";
bool perConfig = false;
for (UnityBatchedSource const& ubs : sources) {
cm::optional<std::string> cond;
if (ubs.Configs.size() != configs.size()) {
perConfig = true;
cond = std::string();
cm::string_view sep;
for (size_t ci : ubs.Configs) {
cond = cmStrCat(*cond, sep, "defined(CMAKE_UNITY_CONFIG_",
cmSystemTools::UpperCase(configs[ci]), ")");
sep = " || "_s;
}
}
RegisterUnitySources(target, ubs.Source, filename);
WriteUnitySourceInclude(file, cond, ubs.Source->ResolveFullPath(),
beforeInclude, afterInclude, uniqueIdName);
}
return UnitySource(std::move(filename), perConfig);
}
void cmLocalGenerator::WriteUnitySourceInclude(
std::ostream& unity_file, cm::optional<std::string> const& cond,
std::string const& sf_full_path, cmValue beforeInclude, cmValue afterInclude,
cmValue uniqueIdName) const
{
if (cond) {
unity_file << "#if " << *cond << "\n";
}
if (cmNonempty(uniqueIdName)) {
std::string pathToHash;
auto PathEqOrSubDir = [](std::string const& a, std::string const& b) {
return (cmSystemTools::ComparePath(a, b) ||
cmSystemTools::IsSubDirectory(a, b));
};
const auto path = cmSystemTools::GetFilenamePath(sf_full_path);
if (PathEqOrSubDir(path, this->GetBinaryDirectory())) {
pathToHash = "BLD_" +
cmSystemTools::RelativePath(this->GetBinaryDirectory(), sf_full_path);
} else if (PathEqOrSubDir(path, this->GetSourceDirectory())) {
pathToHash = "SRC_" +
cmSystemTools::RelativePath(this->GetSourceDirectory(), sf_full_path);
} else {
pathToHash = "ABS_" + sf_full_path;
}
cmCryptoHash hasher(cmCryptoHash::AlgoMD5);
unity_file << "/* " << pathToHash << " */\n"
<< "#undef " << *uniqueIdName << "\n"
<< "#define " << *uniqueIdName << " unity_"
<< hasher.HashString(pathToHash) << "\n";
}
if (beforeInclude) {
unity_file << *beforeInclude << "\n";
}
unity_file << "/* NOLINTNEXTLINE(bugprone-suspicious-include) */\n";
unity_file << "#include \"" << sf_full_path << "\"\n";
if (afterInclude) {
unity_file << *afterInclude << "\n";
}
if (cond) {
unity_file << "#endif\n";
}
unity_file << "\n";
}
std::vector<cmLocalGenerator::UnitySource>
cmLocalGenerator::AddUnityFilesModeAuto(
cmGeneratorTarget* target, std::string const& lang,
std::vector<std::string> const& configs,
std::vector<UnityBatchedSource> const& filtered_sources,
cmValue beforeInclude, cmValue afterInclude,
std::string const& filename_base, size_t batchSize)
{
if (batchSize == 0) {
batchSize = filtered_sources.size();
}
std::vector<UnitySource> unity_files;
for (size_t itemsLeft = filtered_sources.size(), chunk, batch = 0;
itemsLeft > 0; itemsLeft -= chunk, ++batch) {
chunk = std::min(itemsLeft, batchSize);
std::string extension;
if (lang == "C") {
extension = "_c.c";
} else if (lang == "CXX") {
extension = "_cxx.cxx";
} else if (lang == "OBJC") {
extension = "_m.m";
} else if (lang == "OBJCXX") {
extension = "_mm.mm";
}
std::string filename = cmStrCat(filename_base, "unity_", batch, extension);
auto const begin = filtered_sources.begin() + batch * batchSize;
auto const end = begin + chunk;
unity_files.emplace_back(this->WriteUnitySource(
target, configs, cmMakeRange(begin, end), beforeInclude, afterInclude,
std::move(filename)));
}
return unity_files;
}
std::vector<cmLocalGenerator::UnitySource>
cmLocalGenerator::AddUnityFilesModeGroup(
cmGeneratorTarget* target, std::string const& lang,
std::vector<std::string> const& configs,
std::vector<UnityBatchedSource> const& filtered_sources,
cmValue beforeInclude, cmValue afterInclude,
std::string const& filename_base)
{
std::vector<UnitySource> unity_files;
// sources organized by group name. Drop any source
// without a group
std::unordered_map<std::string, std::vector<UnityBatchedSource>>
explicit_mapping;
for (UnityBatchedSource const& ubs : filtered_sources) {
if (cmValue value = ubs.Source->GetProperty("UNITY_GROUP")) {
auto i = explicit_mapping.find(*value);
if (i == explicit_mapping.end()) {
std::vector<UnityBatchedSource> sources{ ubs };
explicit_mapping.emplace(*value, std::move(sources));
} else {
i->second.emplace_back(ubs);
}
}
}
for (auto const& item : explicit_mapping) {
auto const& name = item.first;
std::string filename = cmStrCat(filename_base, "unity_", name,
(lang == "C") ? "_c.c" : "_cxx.cxx");
unity_files.emplace_back(this->WriteUnitySource(
target, configs, cmMakeRange(item.second), beforeInclude, afterInclude,
std::move(filename)));
}
return unity_files;
}
void cmLocalGenerator::AddUnityBuild(cmGeneratorTarget* target)
{
if (!target->GetPropertyAsBool("UNITY_BUILD")) {
return;
}
std::vector<UnityBatchedSource> unitySources;
std::vector<std::string> configs =
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
std::map<cmSourceFile const*, size_t> index;
for (size_t ci = 0; ci < configs.size(); ++ci) {
// FIXME: Refactor collection of sources to not evaluate object libraries.
// Their final set of object files might be transformed by unity builds.
std::vector<cmSourceFile*> sources;
target->GetSourceFiles(sources, configs[ci]);
for (cmSourceFile* sf : sources) {
// Files which need C++ scanning cannot participate in unity builds as
// there is a single place in TUs that may perform module-dependency bits
// and a unity source cannot `#include` them in-order and represent a
// valid TU.
if (sf->GetLanguage() == "CXX"_s &&
target->NeedDyndepForSource("CXX", configs[ci], sf)) {
continue;
}
auto mi = index.find(sf);
if (mi == index.end()) {
unitySources.emplace_back(sf);
std::map<cmSourceFile const*, size_t>::value_type entry(
sf, unitySources.size() - 1);
mi = index.insert(entry).first;
}
unitySources[mi->second].Configs.emplace_back(ci);
}
}
std::string filename_base =
cmStrCat(this->GetCurrentBinaryDirectory(), "/CMakeFiles/",
target->GetName(), ".dir/Unity/");
cmValue batchSizeString = target->GetProperty("UNITY_BUILD_BATCH_SIZE");
const size_t unityBatchSize = batchSizeString
? static_cast<size_t>(std::atoi(batchSizeString->c_str()))
: 0;
cmValue beforeInclude =
target->GetProperty("UNITY_BUILD_CODE_BEFORE_INCLUDE");
cmValue afterInclude = target->GetProperty("UNITY_BUILD_CODE_AFTER_INCLUDE");
cmValue unityMode = target->GetProperty("UNITY_BUILD_MODE");
for (std::string lang : { "C", "CXX", "OBJC", "OBJCXX" }) {
std::vector<UnityBatchedSource> filtered_sources;
std::copy_if(unitySources.begin(), unitySources.end(),
std::back_inserter(filtered_sources),
[&](UnityBatchedSource const& ubs) -> bool {
cmSourceFile* sf = ubs.Source;
return sf->GetLanguage() == lang &&
!sf->GetPropertyAsBool("SKIP_UNITY_BUILD_INCLUSION") &&
!sf->GetPropertyAsBool("HEADER_FILE_ONLY") &&
!sf->GetProperty("COMPILE_OPTIONS") &&
!sf->GetProperty("COMPILE_DEFINITIONS") &&
!sf->GetProperty("COMPILE_FLAGS") &&
!sf->GetProperty("INCLUDE_DIRECTORIES");
});
std::vector<UnitySource> unity_files;
if (!unityMode || *unityMode == "BATCH") {
unity_files = AddUnityFilesModeAuto(
target, lang, configs, filtered_sources, beforeInclude, afterInclude,
filename_base, unityBatchSize);
} else if (unityMode && *unityMode == "GROUP") {
unity_files =
AddUnityFilesModeGroup(target, lang, configs, filtered_sources,
beforeInclude, afterInclude, filename_base);
} else {
// unity mode is set to an unsupported value
std::string e("Invalid UNITY_BUILD_MODE value of " + *unityMode +
" assigned to target " + target->GetName() +
". Acceptable values are BATCH and GROUP.");
this->IssueMessage(MessageType::FATAL_ERROR, e);
}
for (UnitySource const& file : unity_files) {
auto* unity = this->GetMakefile()->GetOrCreateSource(file.Path);
target->AddSource(file.Path, true);
unity->SetProperty("SKIP_UNITY_BUILD_INCLUSION", "ON");
unity->SetProperty("UNITY_SOURCE_FILE", file.Path);
unity->SetProperty("CXX_SCAN_FOR_MODULES", "0");
if (file.PerConfig) {
unity->SetProperty("COMPILE_DEFINITIONS",
"CMAKE_UNITY_CONFIG_$<UPPER_CASE:$<CONFIG>>");
}
}
}
}
void cmLocalGenerator::AppendLinkerTypeFlags(std::string& flags,
cmGeneratorTarget* target,
const std::string& config,
const std::string& linkLanguage)
{
switch (target->GetType()) {
case cmStateEnums::EXECUTABLE:
case cmStateEnums::SHARED_LIBRARY:
case cmStateEnums::MODULE_LIBRARY:
break;
default:
return;
}
auto usingLinker =
cmStrCat("CMAKE_", linkLanguage, "_USING_",
target->IsDeviceLink() ? "DEVICE_" : "", "LINKER_");
auto format = this->Makefile->GetDefinition(cmStrCat(usingLinker, "MODE"));
if (format && format != "FLAG"_s) {
return;
}
auto linkerType = target->GetLinkerTypeProperty(linkLanguage, config);
if (linkerType.empty()) {
linkerType = "DEFAULT";
}
usingLinker = cmStrCat(usingLinker, linkerType);
auto linkerTypeFlags = this->Makefile->GetDefinition(usingLinker);
if (linkerTypeFlags) {
if (!linkerTypeFlags.IsEmpty()) {
auto linkerFlags = cmExpandListWithBacktrace(linkerTypeFlags);
target->ResolveLinkerWrapper(linkerFlags, linkLanguage);
this->AppendFlags(flags, linkerFlags);
}
} else if (linkerType != "DEFAULT"_s) {
auto isCMakeLinkerType = [](const std::string& type) -> bool {
return std::all_of(type.cbegin(), type.cend(),
[](char c) { return std::isupper(c); });
};
if (isCMakeLinkerType(linkerType)) {
this->IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat("LINKER_TYPE '", linkerType,
"' is unknown or not supported by this toolchain."));
} else {
this->IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat("LINKER_TYPE '", linkerType,
"' is unknown. Did you forget to define the '", usingLinker,
"' variable?"));
}
}
}
void cmLocalGenerator::AppendIPOLinkerFlags(std::string& flags,
cmGeneratorTarget* target,
const std::string& config,
const std::string& lang)
{
if (!target->IsIPOEnabled(lang, config)) {
return;
}
switch (target->GetType()) {
case cmStateEnums::EXECUTABLE:
case cmStateEnums::SHARED_LIBRARY:
case cmStateEnums::MODULE_LIBRARY:
break;
default:
return;
}
const std::string name = "CMAKE_" + lang + "_LINK_OPTIONS_IPO";
cmValue rawFlagsList = this->Makefile->GetDefinition(name);
if (!rawFlagsList) {
return;
}
cmList flagsList{ *rawFlagsList };
for (std::string const& o : flagsList) {
this->AppendFlagEscape(flags, o);
}
}
void cmLocalGenerator::AppendPositionIndependentLinkerFlags(
std::string& flags, cmGeneratorTarget* target, const std::string& config,
const std::string& lang)
{
// For now, only EXECUTABLE is concerned
if (target->GetType() != cmStateEnums::EXECUTABLE) {
return;
}
const char* PICValue = target->GetLinkPIEProperty(config);
if (PICValue == nullptr) {
// POSITION_INDEPENDENT_CODE is not set
return;
}
const std::string mode = cmIsOn(PICValue) ? "PIE" : "NO_PIE";
std::string supported = "CMAKE_" + lang + "_LINK_" + mode + "_SUPPORTED";
if (cmIsOff(this->Makefile->GetDefinition(supported))) {
return;
}
std::string name = "CMAKE_" + lang + "_LINK_OPTIONS_" + mode;
auto pieFlags = this->Makefile->GetSafeDefinition(name);
if (pieFlags.empty()) {
return;
}
cmList flagsList{ pieFlags };
for (const auto& flag : flagsList) {
this->AppendFlagEscape(flags, flag);
}
}
void cmLocalGenerator::AppendDependencyInfoLinkerFlags(
std::string& flags, cmGeneratorTarget* target, const std::string& config,
const std::string& linkLanguage)
{
if (!this->GetGlobalGenerator()->SupportsLinkerDependencyFile() ||
!target->HasLinkDependencyFile(config)) {
return;
}
auto depFlag = *this->Makefile->GetDefinition(
cmStrCat("CMAKE_", linkLanguage, "_LINKER_DEPFILE_FLAGS"));
if (depFlag.empty()) {
return;
}
auto depFile = this->ConvertToOutputFormat(
this->MaybeRelativeToWorkDir(this->GetLinkDependencyFile(target, config)),
cmOutputConverter::SHELL);
auto rulePlaceholderExpander = this->CreateRulePlaceholderExpander();
cmRulePlaceholderExpander::RuleVariables linkDepsVariables;
linkDepsVariables.DependencyFile = depFile.c_str();
rulePlaceholderExpander->ExpandRuleVariables(this, depFlag,
linkDepsVariables);
auto depFlags = cmExpandListWithBacktrace(depFlag);
target->ResolveLinkerWrapper(depFlags, linkLanguage);
this->AppendFlags(flags, depFlags);
}
std::string cmLocalGenerator::GetLinkDependencyFile(
cmGeneratorTarget* /*target*/, const std::string& /*config*/) const
{
return "link.d";
}
void cmLocalGenerator::AppendModuleDefinitionFlag(
std::string& flags, cmGeneratorTarget const* target,
cmLinkLineComputer* linkLineComputer, std::string const& config)
{
cmGeneratorTarget::ModuleDefinitionInfo const* mdi =
target->GetModuleDefinitionInfo(config);
if (!mdi || mdi->DefFile.empty()) {
return;
}
cmValue defFileFlag =
this->Makefile->GetDefinition("CMAKE_LINK_DEF_FILE_FLAG");
if (!defFileFlag) {
return;
}
// Append the flag and value. Use ConvertToLinkReference to help
// vs6's "cl -link" pass it to the linker.
std::string flag =
cmStrCat(*defFileFlag,
this->ConvertToOutputFormat(
linkLineComputer->ConvertToLinkReference(mdi->DefFile),
cmOutputConverter::SHELL));
this->AppendFlags(flags, flag);
}
bool cmLocalGenerator::AppendLWYUFlags(std::string& flags,
const cmGeneratorTarget* target,
const std::string& lang)
{
auto useLWYU = target->GetPropertyAsBool("LINK_WHAT_YOU_USE") &&
(target->GetType() == cmStateEnums::TargetType::EXECUTABLE ||
target->GetType() == cmStateEnums::TargetType::SHARED_LIBRARY ||
target->GetType() == cmStateEnums::TargetType::MODULE_LIBRARY);
if (useLWYU) {
const auto& lwyuFlag = this->GetMakefile()->GetSafeDefinition(
cmStrCat("CMAKE_", lang, "_LINK_WHAT_YOU_USE_FLAG"));
useLWYU = !lwyuFlag.empty();
if (useLWYU) {
std::vector<BT<std::string>> lwyuOpts;
lwyuOpts.emplace_back(lwyuFlag);
this->AppendFlags(flags, target->ResolveLinkerWrapper(lwyuOpts, lang));
}
}
return useLWYU;
}
void cmLocalGenerator::AppendCompileOptions(std::string& options,
std::string const& options_list,
const char* regex) const
{
// Short-circuit if there are no options.
if (options_list.empty()) {
return;
}
// Expand the list of options.
cmList options_vec{ options_list };
this->AppendCompileOptions(options, options_vec, regex);
}
void cmLocalGenerator::AppendCompileOptions(
std::string& options, const std::vector<std::string>& options_vec,
const char* regex) const
{
if (regex != nullptr) {
// Filter flags upon specified reges.
cmsys::RegularExpression r(regex);
for (std::string const& opt : options_vec) {
if (r.find(opt)) {
this->AppendFlagEscape(options, opt);
}
}
} else {
for (std::string const& opt : options_vec) {
this->AppendFlagEscape(options, opt);
}
}
}
void cmLocalGenerator::AppendCompileOptions(
std::vector<BT<std::string>>& options,
const std::vector<BT<std::string>>& options_vec, const char* regex) const
{
if (regex != nullptr) {
// Filter flags upon specified regular expressions.
cmsys::RegularExpression r(regex);
for (BT<std::string> const& opt : options_vec) {
if (r.find(opt.Value)) {
std::string flag;
this->AppendFlagEscape(flag, opt.Value);
options.emplace_back(std::move(flag), opt.Backtrace);
}
}
} else {
for (BT<std::string> const& opt : options_vec) {
std::string flag;
this->AppendFlagEscape(flag, opt.Value);
options.emplace_back(std::move(flag), opt.Backtrace);
}
}
}
void cmLocalGenerator::AppendIncludeDirectories(
std::vector<std::string>& includes, const std::string& includes_list,
const cmSourceFile& sourceFile) const
{
// Short-circuit if there are no includes.
if (includes_list.empty()) {
return;
}
// Expand the list of includes.
cmList includes_vec{ includes_list };
this->AppendIncludeDirectories(includes, includes_vec, sourceFile);
}
void cmLocalGenerator::AppendIncludeDirectories(
std::vector<std::string>& includes,
const std::vector<std::string>& includes_vec,
const cmSourceFile& sourceFile) const
{
std::unordered_set<std::string> uniqueIncludes;
for (const std::string& include : includes_vec) {
if (!cmSystemTools::FileIsFullPath(include)) {
std::ostringstream e;
e << "Found relative path while evaluating include directories of "
"\""
<< sourceFile.GetLocation().GetName() << "\":\n \"" << include
<< "\"\n";
this->IssueMessage(MessageType::FATAL_ERROR, e.str());
return;
}
std::string inc = include;
if (!cmIsOff(inc)) {
cmSystemTools::ConvertToUnixSlashes(inc);
}
if (uniqueIncludes.insert(inc).second) {
includes.push_back(std::move(inc));
}
}
}
void cmLocalGenerator::AppendDefines(std::set<std::string>& defines,
std::string const& defines_list) const
{
std::set<BT<std::string>> tmp;
this->AppendDefines(tmp, cmExpandListWithBacktrace(defines_list));
for (BT<std::string> const& i : tmp) {
defines.emplace(i.Value);
}
}
void cmLocalGenerator::AppendDefines(std::set<BT<std::string>>& defines,
std::string const& defines_list) const
{
// Short-circuit if there are no definitions.
if (defines_list.empty()) {
return;
}
// Expand the list of definitions.
this->AppendDefines(defines, cmExpandListWithBacktrace(defines_list));
}
void cmLocalGenerator::AppendDefines(
std::set<BT<std::string>>& defines,
const std::vector<BT<std::string>>& defines_vec) const
{
for (BT<std::string> const& d : defines_vec) {
// Skip unsupported definitions.
if (!this->CheckDefinition(d.Value)) {
continue;
}
// remove any leading -D
if (cmHasLiteralPrefix(d.Value, "-D")) {
defines.emplace(d.Value.substr(2), d.Backtrace);
} else {
defines.insert(d);
}
}
}
void cmLocalGenerator::JoinDefines(const std::set<std::string>& defines,
std::string& definesString,
const std::string& lang)
{
// Lookup the define flag for the current language.
std::string dflag = "-D";
if (!lang.empty()) {
cmValue df =
this->Makefile->GetDefinition(cmStrCat("CMAKE_", lang, "_DEFINE_FLAG"));
if (cmNonempty(df)) {
dflag = *df;
}
}
const char* itemSeparator = definesString.empty() ? "" : " ";
for (std::string const& define : defines) {
// Append the definition with proper escaping.
std::string def = dflag;
if (this->GetState()->UseWatcomWMake()) {
// The Watcom compiler does its own command line parsing instead
// of using the windows shell rules. Definitions are one of
// -DNAME
// -DNAME=<cpp-token>
// -DNAME="c-string with spaces and other characters(?@#$)"
//
// Watcom will properly parse each of these cases from the
// command line without any escapes. However we still have to
// get the '$' and '#' characters through WMake as '$$' and
// '$#'.
for (char c : define) {
if (c == '$' || c == '#') {
def += '$';
}
def += c;
}
} else {
// Make the definition appear properly on the command line. Use
// -DNAME="value" instead of -D"NAME=value" for historical reasons.
std::string::size_type eq = define.find('=');
def += define.substr(0, eq);
if (eq != std::string::npos) {
def += "=";
def += this->EscapeForShell(define.substr(eq + 1), true);
}
}
definesString += itemSeparator;
itemSeparator = " ";
definesString += def;
}
}
void cmLocalGenerator::AppendFeatureOptions(std::string& flags,
const std::string& lang,
const char* feature)
{
cmValue optionList = this->Makefile->GetDefinition(
cmStrCat("CMAKE_", lang, "_COMPILE_OPTIONS_", feature));
if (optionList) {
cmList options{ *optionList };
for (std::string const& o : options) {
this->AppendFlagEscape(flags, o);
}
}
}
cmValue cmLocalGenerator::GetFeature(const std::string& feature,
const std::string& config)
{
std::string featureName = feature;
// TODO: Define accumulation policy for features (prepend, append,
// replace). Currently we always replace.
if (!config.empty()) {
featureName += "_";
featureName += cmSystemTools::UpperCase(config);
}
cmStateSnapshot snp = this->StateSnapshot;
while (snp.IsValid()) {
if (cmValue value = snp.GetDirectory().GetProperty(featureName)) {
return value;
}
snp = snp.GetBuildsystemDirectoryParent();
}
return nullptr;
}
std::string cmLocalGenerator::GetProjectName() const
{
return this->StateSnapshot.GetProjectName();
}
std::string cmLocalGenerator::ConstructComment(
cmCustomCommandGenerator const& ccg, const char* default_comment) const
{
// Check for a comment provided with the command.
if (cm::optional<std::string> comment = ccg.GetComment()) {
return *comment;
}
// Construct a reasonable default comment if possible.
if (!ccg.GetOutputs().empty()) {
std::string comment;
comment = "Generating ";
const char* sep = "";
for (std::string const& o : ccg.GetOutputs()) {
comment += sep;
comment += this->MaybeRelativeToCurBinDir(o);
sep = ", ";
}
return comment;
}
// Otherwise use the provided default.
return default_comment;
}
class cmInstallTargetGeneratorLocal : public cmInstallTargetGenerator
{
public:
cmInstallTargetGeneratorLocal(cmLocalGenerator* lg, std::string const& t,
std::string const& dest, bool implib)
: cmInstallTargetGenerator(
t, dest, implib, "", std::vector<std::string>(), "Unspecified",
cmInstallGenerator::SelectMessageLevel(lg->GetMakefile()), false,
false)
{
this->Compute(lg);
}
};
void cmLocalGenerator::GenerateTargetInstallRules(
std::ostream& os, const std::string& config,
std::vector<std::string> const& configurationTypes)
{
// Convert the old-style install specification from each target to
// an install generator and run it.
const auto& tgts = this->GetGeneratorTargets();
for (const auto& l : tgts) {
if (l->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
continue;
}
// Include the user-specified pre-install script for this target.
if (cmValue preinstall = l->GetProperty("PRE_INSTALL_SCRIPT")) {
cmInstallScriptGenerator g(*preinstall, false, "", false, false);
g.Generate(os, config, configurationTypes);
}
// Install this target if a destination is given.
if (!l->Target->GetInstallPath().empty()) {
// Compute the full install destination. Note that converting
// to unix slashes also removes any trailing slash.
// We also skip over the leading slash given by the user.
std::string destination = l->Target->GetInstallPath().substr(1);
cmSystemTools::ConvertToUnixSlashes(destination);
if (destination.empty()) {
destination = ".";
}
// Generate the proper install generator for this target type.
switch (l->GetType()) {
case cmStateEnums::EXECUTABLE:
case cmStateEnums::STATIC_LIBRARY:
case cmStateEnums::MODULE_LIBRARY: {
// Use a target install generator.
cmInstallTargetGeneratorLocal g(this, l->GetName(), destination,
false);
g.Generate(os, config, configurationTypes);
} break;
case cmStateEnums::SHARED_LIBRARY: {
#if defined(_WIN32) || defined(__CYGWIN__)
// Special code to handle DLL. Install the import library
// to the normal destination and the DLL to the runtime
// destination.
cmInstallTargetGeneratorLocal g1(this, l->GetName(), destination,
true);
g1.Generate(os, config, configurationTypes);
// We also skip over the leading slash given by the user.
destination = l->Target->GetRuntimeInstallPath().substr(1);
cmSystemTools::ConvertToUnixSlashes(destination);
cmInstallTargetGeneratorLocal g2(this, l->GetName(), destination,
false);
g2.Generate(os, config, configurationTypes);
#else
// Use a target install generator.
cmInstallTargetGeneratorLocal g(this, l->GetName(), destination,
false);
g.Generate(os, config, configurationTypes);
#endif
} break;
default:
break;
}
}
// Include the user-specified post-install script for this target.
if (cmValue postinstall = l->GetProperty("POST_INSTALL_SCRIPT")) {
cmInstallScriptGenerator g(*postinstall, false, "", false, false);
g.Generate(os, config, configurationTypes);
}
}
}
namespace {
bool cmLocalGeneratorShortenObjectName(std::string& objName,
std::string::size_type max_len)
{
// Check if the path can be shortened using an md5 sum replacement for
// a portion of the path.
std::string::size_type md5Len = 32;
std::string::size_type numExtraChars = objName.size() - max_len + md5Len;
std::string::size_type pos = objName.find('/', numExtraChars);
if (pos == std::string::npos) {
pos = objName.rfind('/', numExtraChars);
if (pos == std::string::npos || pos <= md5Len) {
return false;
}
}
// Replace the beginning of the path portion of the object name with
// its own md5 sum.
cmCryptoHash md5(cmCryptoHash::AlgoMD5);
std::string md5name = cmStrCat(md5.HashString(objName.substr(0, pos)),
cm::string_view(objName).substr(pos));
objName = md5name;
// The object name is now shorter, check if it is short enough.
return pos >= numExtraChars;
}
bool cmLocalGeneratorCheckObjectName(std::string& objName,
std::string::size_type dir_len,
std::string::size_type max_total_len)
{
// Enforce the maximum file name length if possible.
std::string::size_type max_obj_len = max_total_len;
if (dir_len < max_total_len) {
max_obj_len = max_total_len - dir_len;
if (objName.size() > max_obj_len) {
// The current object file name is too long. Try to shorten it.
return cmLocalGeneratorShortenObjectName(objName, max_obj_len);
}
// The object file name is short enough.
return true;
}
// The build directory in which the object will be stored is
// already too deep.
return false;
}
}
std::string& cmLocalGenerator::CreateSafeUniqueObjectFileName(
const std::string& sin, std::string const& dir_max)
{
// Look for an existing mapped name for this object file.
auto it = this->UniqueObjectNamesMap.find(sin);
// If no entry exists create one.
if (it == this->UniqueObjectNamesMap.end()) {
// Start with the original name.
std::string ssin = sin;
// Avoid full paths by removing leading slashes.
ssin.erase(0, ssin.find_first_not_of('/'));
// Avoid full paths by removing colons.
std::replace(ssin.begin(), ssin.end(), ':', '_');
// Avoid relative paths that go up the tree.
cmSystemTools::ReplaceString(ssin, "../", "__/");
// Avoid spaces.
std::replace(ssin.begin(), ssin.end(), ' ', '_');
// Mangle the name if necessary.
if (this->Makefile->IsOn("CMAKE_MANGLE_OBJECT_FILE_NAMES")) {
bool done;
int cc = 0;
char rpstr[100];
snprintf(rpstr, sizeof(rpstr), "_p_");
cmSystemTools::ReplaceString(ssin, "+", rpstr);
std::string sssin = sin;
do {
done = true;
for (it = this->UniqueObjectNamesMap.begin();
it != this->UniqueObjectNamesMap.end(); ++it) {
if (it->second == ssin) {
done = false;
}
}
if (done) {
break;
}
sssin = ssin;
cmSystemTools::ReplaceString(ssin, "_p_", rpstr);
snprintf(rpstr, sizeof(rpstr), "_p%d_", cc++);
} while (!done);
}
if (!cmLocalGeneratorCheckObjectName(ssin, dir_max.size(),
this->ObjectPathMax)) {
// Warn if this is the first time the path has been seen.
if (this->ObjectMaxPathViolations.insert(dir_max).second) {
std::ostringstream m;
/* clang-format off */
m << "The object file directory\n"
<< " " << dir_max << "\n"
<< "has " << dir_max.size() << " characters. "
<< "The maximum full path to an object file is "
<< this->ObjectPathMax << " characters "
<< "(see CMAKE_OBJECT_PATH_MAX). "
<< "Object file\n"
<< " " << ssin << "\n"
<< "cannot be safely placed under this directory. "
<< "The build may not work correctly.";
/* clang-format on */
this->IssueMessage(MessageType::WARNING, m.str());
}
}
// Insert the newly mapped object file name.
std::map<std::string, std::string>::value_type e(sin, ssin);
it = this->UniqueObjectNamesMap.insert(e).first;
}
// Return the map entry.
return it->second;
}
void cmLocalGenerator::ComputeObjectFilenames(
std::map<cmSourceFile const*, std::string>& /*unused*/,
cmGeneratorTarget const* /*unused*/)
{
}
bool cmLocalGenerator::IsWindowsShell() const
{
return this->GetState()->UseWindowsShell();
}
bool cmLocalGenerator::IsWatcomWMake() const
{
return this->GetState()->UseWatcomWMake();
}
bool cmLocalGenerator::IsMinGWMake() const
{
return this->GetState()->UseMinGWMake();
}
bool cmLocalGenerator::IsNMake() const
{
return this->GetState()->UseNMake();
}
bool cmLocalGenerator::IsNinjaMulti() const
{
return this->GetState()->UseNinjaMulti();
}
namespace {
std::string relativeIfUnder(std::string const& top, std::string const& cur,
std::string const& path)
{
// Use a path relative to 'cur' if it can be expressed without
// a `../` sequence that leaves 'top'.
if (cmSystemTools::IsSubDirectory(path, cur) ||
(cmSystemTools::IsSubDirectory(cur, top) &&
cmSystemTools::IsSubDirectory(path, top))) {
return cmSystemTools::ForceToRelativePath(cur, path);
}
return path;
}
}
std::string cmLocalGenerator::GetObjectFileNameWithoutTarget(
const cmSourceFile& source, std::string const& dir_max,
bool* hasSourceExtension, char const* customOutputExtension)
{
// Construct the object file name using the full path to the source
// file which is its only unique identification.
std::string const& fullPath = source.GetFullPath();
// Try referencing the source relative to the source tree.
std::string relFromSource = relativeIfUnder(
this->GetSourceDirectory(), this->GetCurrentSourceDirectory(), fullPath);
assert(!relFromSource.empty());
bool relSource = !cmSystemTools::FileIsFullPath(relFromSource);
bool subSource = relSource && relFromSource[0] != '.';
// Try referencing the source relative to the binary tree.
std::string relFromBinary = relativeIfUnder(
this->GetBinaryDirectory(), this->GetCurrentBinaryDirectory(), fullPath);
assert(!relFromBinary.empty());
bool relBinary = !cmSystemTools::FileIsFullPath(relFromBinary);
bool subBinary = relBinary && relFromBinary[0] != '.';
// Select a nice-looking reference to the source file to construct
// the object file name.
std::string objectName;
// XXX(clang-tidy): https://bugs.llvm.org/show_bug.cgi?id=44165
// NOLINTNEXTLINE(bugprone-branch-clone)
if ((relSource && !relBinary) || (subSource && !subBinary)) {
objectName = relFromSource;
} else if ((relBinary && !relSource) || (subBinary && !subSource) ||
relFromBinary.length() < relFromSource.length()) {
objectName = relFromBinary;
} else {
objectName = relFromSource;
}
// if it is still a full path check for the try compile case
// try compile never have in source sources, and should not
// have conflicting source file names in the same target
if (cmSystemTools::FileIsFullPath(objectName)) {
if (this->GetGlobalGenerator()->GetCMakeInstance()->GetIsInTryCompile()) {
objectName = cmSystemTools::GetFilenameName(source.GetFullPath());
}
}
// Ensure that for the CMakeFiles/<target>.dir/generated_source_file
// we don't end up having:
// CMakeFiles/<target>.dir/CMakeFiles/<target>.dir/generated_source_file.obj
cmValue unitySourceFile = source.GetProperty("UNITY_SOURCE_FILE");
cmValue pchExtension = source.GetProperty("PCH_EXTENSION");
const bool isPchObject = objectName.find("cmake_pch") != std::string::npos;
if (unitySourceFile || pchExtension || isPchObject) {
if (pchExtension) {
customOutputExtension = pchExtension->c_str();
}
cmsys::RegularExpression var("(CMakeFiles/[^/]+.dir/)");
if (var.find(objectName)) {
objectName.erase(var.start(), var.end() - var.start());
}
}
// Replace the original source file extension with the object file
// extension.
bool keptSourceExtension = true;
if (!source.GetPropertyAsBool("KEEP_EXTENSION")) {
// Decide whether this language wants to replace the source
// extension with the object extension. For CMake 2.4
// compatibility do this by default.
bool replaceExt = this->NeedBackwardsCompatibility_2_4();
if (!replaceExt) {
std::string lang = source.GetLanguage();
if (!lang.empty()) {
replaceExt = this->Makefile->IsOn(
cmStrCat("CMAKE_", lang, "_OUTPUT_EXTENSION_REPLACE"));
}
}
// Remove the source extension if it is to be replaced.
if (replaceExt || customOutputExtension) {
keptSourceExtension = false;
std::string::size_type dot_pos = objectName.rfind('.');
if (dot_pos != std::string::npos) {
objectName = objectName.substr(0, dot_pos);
}
}
// Store the new extension.
if (customOutputExtension) {
objectName += customOutputExtension;
} else {
objectName += this->GlobalGenerator->GetLanguageOutputExtension(source);
}
}
if (hasSourceExtension) {
*hasSourceExtension = keptSourceExtension;
}
// Convert to a safe name.
return this->CreateSafeUniqueObjectFileName(objectName, dir_max);
}
std::string cmLocalGenerator::GetSourceFileLanguage(const cmSourceFile& source)
{
return source.GetLanguage();
}
cmake* cmLocalGenerator::GetCMakeInstance() const
{
return this->GlobalGenerator->GetCMakeInstance();
}
std::string const& cmLocalGenerator::GetSourceDirectory() const
{
return this->GetCMakeInstance()->GetHomeDirectory();
}
std::string const& cmLocalGenerator::GetBinaryDirectory() const
{
return this->GetCMakeInstance()->GetHomeOutputDirectory();
}
std::string const& cmLocalGenerator::GetCurrentBinaryDirectory() const
{
return this->StateSnapshot.GetDirectory().GetCurrentBinary();
}
std::string const& cmLocalGenerator::GetCurrentSourceDirectory() const
{
return this->StateSnapshot.GetDirectory().GetCurrentSource();
}
std::string cmLocalGenerator::GetTargetDirectory(
const cmGeneratorTarget* /*unused*/) const
{
cmSystemTools::Error("GetTargetDirectory"
" called on cmLocalGenerator");
return "";
}
KWIML_INT_uint64_t cmLocalGenerator::GetBackwardsCompatibility()
{
// The computed version may change until the project is fully
// configured.
if (!this->BackwardsCompatibilityFinal) {
unsigned int major = 0;
unsigned int minor = 0;
unsigned int patch = 0;
if (cmValue value =
this->Makefile->GetDefinition("CMAKE_BACKWARDS_COMPATIBILITY")) {
switch (sscanf(value->c_str(), "%u.%u.%u", &major, &minor, &patch)) {
case 2:
patch = 0;
break;
case 1:
minor = 0;
patch = 0;
break;
default:
break;
}
}
this->BackwardsCompatibility = CMake_VERSION_ENCODE(major, minor, patch);
this->BackwardsCompatibilityFinal = true;
}
return this->BackwardsCompatibility;
}
bool cmLocalGenerator::NeedBackwardsCompatibility_2_4()
{
// Check the policy to decide whether to pay attention to this
// variable.
switch (this->GetPolicyStatus(cmPolicies::CMP0001)) {
case cmPolicies::WARN:
// WARN is just OLD without warning because user code does not
// always affect whether this check is done.
CM_FALLTHROUGH;
case cmPolicies::OLD:
// Old behavior is to check the variable.
break;
case cmPolicies::NEW:
// New behavior is to ignore the variable.
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
// This will never be the case because the only way to require
// the setting is to require the user to specify version policy
// 2.6 or higher. Once we add that requirement then this whole
// method can be removed anyway.
return false;
}
// Compatibility is needed if CMAKE_BACKWARDS_COMPATIBILITY is set
// equal to or lower than the given version.
KWIML_INT_uint64_t actual_compat = this->GetBackwardsCompatibility();
return (actual_compat && actual_compat <= CMake_VERSION_ENCODE(2, 4, 255));
}
cmPolicies::PolicyStatus cmLocalGenerator::GetPolicyStatus(
cmPolicies::PolicyID id) const
{
return this->Makefile->GetPolicyStatus(id);
}
bool cmLocalGenerator::CheckDefinition(std::string const& define) const
{
// Many compilers do not support -DNAME(arg)=sdf so we disable it.
std::string::size_type pos = define.find_first_of("(=");
if (pos != std::string::npos) {
if (define[pos] == '(') {
std::ostringstream e;
/* clang-format off */
e << "WARNING: Function-style preprocessor definitions may not be "
<< "passed on the compiler command line because many compilers "
<< "do not support it.\n"
<< "CMake is dropping a preprocessor definition: " << define << "\n"
<< "Consider defining the macro in a (configured) header file.\n";
/* clang-format on */
cmSystemTools::Message(e.str());
return false;
}
}
// Many compilers do not support # in the value so we disable it.
if (define.find_first_of('#') != std::string::npos) {
std::ostringstream e;
/* clang-format off */
e << "WARNING: Preprocessor definitions containing '#' may not be "
<< "passed on the compiler command line because many compilers "
<< "do not support it.\n"
<< "CMake is dropping a preprocessor definition: " << define << "\n"
<< "Consider defining the macro in a (configured) header file.\n";
/* clang-format on */
cmSystemTools::Message(e.str());
return false;
}
// Assume it is supported.
return true;
}
static void cmLGInfoProp(cmMakefile* mf, cmGeneratorTarget* target,
const std::string& prop)
{
if (cmValue val = target->GetProperty(prop)) {
mf->AddDefinition(prop, *val);
}
}
void cmLocalGenerator::GenerateAppleInfoPList(cmGeneratorTarget* target,
const std::string& targetName,
const std::string& fname)
{
// Find the Info.plist template.
cmValue in = target->GetProperty("MACOSX_BUNDLE_INFO_PLIST");
std::string inFile = cmNonempty(in) ? *in : "MacOSXBundleInfo.plist.in";
if (!cmSystemTools::FileIsFullPath(inFile)) {
std::string inMod = this->Makefile->GetModulesFile(inFile);
if (!inMod.empty()) {
inFile = inMod;
}
}
if (!cmSystemTools::FileExists(inFile, true)) {
std::ostringstream e;
e << "Target " << target->GetName() << " Info.plist template \"" << inFile
<< "\" could not be found.";
cmSystemTools::Error(e.str());
return;
}
// Convert target properties to variables in an isolated makefile
// scope to configure the file. If properties are set they will
// override user make variables. If not the configuration will fall
// back to the directory-level values set by the user.
cmMakefile* mf = this->Makefile;
cmMakefile::ScopePushPop varScope(mf);
mf->AddDefinition("MACOSX_BUNDLE_EXECUTABLE_NAME", targetName);
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_INFO_STRING");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_ICON_FILE");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_GUI_IDENTIFIER");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_LONG_VERSION_STRING");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_BUNDLE_NAME");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_SHORT_VERSION_STRING");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_BUNDLE_VERSION");
cmLGInfoProp(mf, target, "MACOSX_BUNDLE_COPYRIGHT");
mf->ConfigureFile(inFile, fname, false, false, false);
}
void cmLocalGenerator::GenerateFrameworkInfoPList(
cmGeneratorTarget* target, const std::string& targetName,
const std::string& fname)
{
// Find the Info.plist template.
cmValue in = target->GetProperty("MACOSX_FRAMEWORK_INFO_PLIST");
std::string inFile = cmNonempty(in) ? *in : "MacOSXFrameworkInfo.plist.in";
if (!cmSystemTools::FileIsFullPath(inFile)) {
std::string inMod = this->Makefile->GetModulesFile(inFile);
if (!inMod.empty()) {
inFile = inMod;
}
}
if (!cmSystemTools::FileExists(inFile, true)) {
std::ostringstream e;
e << "Target " << target->GetName() << " Info.plist template \"" << inFile
<< "\" could not be found.";
cmSystemTools::Error(e.str());
return;
}
// Convert target properties to variables in an isolated makefile
// scope to configure the file. If properties are set they will
// override user make variables. If not the configuration will fall
// back to the directory-level values set by the user.
cmMakefile* mf = this->Makefile;
cmMakefile::ScopePushPop varScope(mf);
mf->AddDefinition("MACOSX_FRAMEWORK_NAME", targetName);
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_ICON_FILE");
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_IDENTIFIER");
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_SHORT_VERSION_STRING");
cmLGInfoProp(mf, target, "MACOSX_FRAMEWORK_BUNDLE_VERSION");
mf->ConfigureFile(inFile, fname, false, false, false);
}
namespace {
cm::string_view CustomOutputRoleKeyword(cmLocalGenerator::OutputRole role)
{
return (role == cmLocalGenerator::OutputRole::Primary ? "OUTPUT"_s
: "BYPRODUCTS"_s);
}
void CreateGeneratedSource(cmLocalGenerator& lg, const std::string& output,
cmLocalGenerator::OutputRole role,
cmCommandOrigin origin,
const cmListFileBacktrace& lfbt)
{
if (cmGeneratorExpression::Find(output) != std::string::npos) {
lg.GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR,
"Generator expressions in custom command outputs are not implemented!",
lfbt);
return;
}
// Make sure the file will not be generated into the source
// directory during an out of source build.
if (!lg.GetMakefile()->CanIWriteThisFile(output)) {
lg.GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat(CustomOutputRoleKeyword(role), " path\n ", output,
"\nin a source directory as an output of custom command."),
lfbt);
return;
}
// Make sure the output file name has no invalid characters.
std::string::size_type pos = output.find_first_of("#<>");
if (pos != std::string::npos) {
lg.GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat(CustomOutputRoleKeyword(role), " containing a \"", output[pos],
"\" is not allowed."),
lfbt);
return;
}
// Outputs without generator expressions from the project are already
// created and marked as generated. Do not mark them again, because
// other commands might have overwritten the property.
if (origin == cmCommandOrigin::Generator) {
lg.GetMakefile()->GetOrCreateGeneratedSource(output);
}
}
std::string ComputeCustomCommandRuleFileName(cmLocalGenerator& lg,
cmListFileBacktrace const& bt,
std::string const& output)
{
// If the output path has no generator expressions, use it directly.
if (cmGeneratorExpression::Find(output) == std::string::npos) {
return output;
}
// The output path contains a generator expression, but we must choose
// a single source file path to which to attach the custom command.
// Use some heuristics to provide a nice-looking name when possible.
// If the only genex is $<CONFIG>, replace that gracefully.
{
std::string simple = output;
cmSystemTools::ReplaceString(simple, "$<CONFIG>", "(CONFIG)");
if (cmGeneratorExpression::Find(simple) == std::string::npos) {
return simple;
}
}
// If the genex evaluates to the same value in all configurations, use that.
{
std::vector<std::string> allConfigOutputs =
lg.ExpandCustomCommandOutputGenex(output, bt);
if (allConfigOutputs.size() == 1) {
return allConfigOutputs.front();
}
}
// Fall back to a deterministic unique name.
cmCryptoHash h(cmCryptoHash::AlgoSHA256);
return cmStrCat(lg.GetCurrentBinaryDirectory(), "/CMakeFiles/",
h.HashString(output).substr(0, 16));
}
cmSourceFile* AddCustomCommand(cmLocalGenerator& lg, cmCommandOrigin origin,
std::unique_ptr<cmCustomCommand> cc,
bool replace)
{
cmMakefile* mf = lg.GetMakefile();
const auto& lfbt = cc->GetBacktrace();
const auto& outputs = cc->GetOutputs();
const auto& byproducts = cc->GetByproducts();
const auto& commandLines = cc->GetCommandLines();
// Choose a source file on which to store the custom command.
cmSourceFile* file = nullptr;
if (!commandLines.empty() && cc->HasMainDependency()) {
const auto& main_dependency = cc->GetMainDependency();
// The main dependency was specified. Use it unless a different
// custom command already used it.
file = mf->GetSource(main_dependency);
if (file && file->GetCustomCommand() && !replace) {
// The main dependency already has a custom command.
if (commandLines == file->GetCustomCommand()->GetCommandLines()) {
// The existing custom command is identical. Silently ignore
// the duplicate.
return file;
}
// The existing custom command is different. We need to
// generate a rule file for this new command.
file = nullptr;
} else if (!file) {
file = mf->CreateSource(main_dependency);
}
}
// Generate a rule file if the main dependency is not available.
if (!file) {
cmGlobalGenerator* gg = lg.GetGlobalGenerator();
// Construct a rule file associated with the first output produced.
std::string outName = gg->GenerateRuleFile(
ComputeCustomCommandRuleFileName(lg, lfbt, outputs[0]));
// Check if the rule file already exists.
file = mf->GetSource(outName, cmSourceFileLocationKind::Known);
if (file && file->GetCustomCommand() && !replace) {
// The rule file already exists.
if (commandLines != file->GetCustomCommand()->GetCommandLines()) {
lg.GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat("Attempt to add a custom rule to output\n ", outName,
"\nwhich already has a custom rule."),
lfbt);
}
return file;
}
// Create a cmSourceFile for the rule file.
if (!file) {
file = mf->CreateSource(outName, true, cmSourceFileLocationKind::Known);
}
file->SetProperty("__CMAKE_RULE", "1");
}
// Attach the custom command to the file.
if (file) {
cc->SetEscapeAllowMakeVars(true);
lg.AddSourceOutputs(file, outputs, cmLocalGenerator::OutputRole::Primary,
lfbt, origin);
lg.AddSourceOutputs(file, byproducts,
cmLocalGenerator::OutputRole::Byproduct, lfbt, origin);
file->SetCustomCommand(std::move(cc));
}
return file;
}
bool AnyOutputMatches(const std::string& name,
const std::vector<std::string>& outputs)
{
return std::any_of(outputs.begin(), outputs.end(),
[&name](std::string const& output) -> bool {
std::string::size_type pos = output.rfind(name);
// If the output matches exactly
return (pos != std::string::npos &&
pos == output.size() - name.size() &&
(pos == 0 || output[pos - 1] == '/'));
});
}
bool AnyTargetCommandOutputMatches(
const std::string& name, const std::vector<cmCustomCommand>& commands)
{
return std::any_of(commands.begin(), commands.end(),
[&name](cmCustomCommand const& command) -> bool {
return AnyOutputMatches(name, command.GetByproducts());
});
}
}
namespace detail {
void AddCustomCommandToTarget(cmLocalGenerator& lg, cmCommandOrigin origin,
cmTarget* target, cmCustomCommandType type,
std::unique_ptr<cmCustomCommand> cc)
{
// Add the command to the appropriate build step for the target.
cc->SetEscapeAllowMakeVars(true);
cc->SetTarget(target->GetName());
lg.AddTargetByproducts(target, cc->GetByproducts(), cc->GetBacktrace(),
origin);
switch (type) {
case cmCustomCommandType::PRE_BUILD:
target->AddPreBuildCommand(std::move(*cc));
break;
case cmCustomCommandType::PRE_LINK:
target->AddPreLinkCommand(std::move(*cc));
break;
case cmCustomCommandType::POST_BUILD:
target->AddPostBuildCommand(std::move(*cc));
break;
}
cc.reset();
}
cmSourceFile* AddCustomCommandToOutput(cmLocalGenerator& lg,
cmCommandOrigin origin,
std::unique_ptr<cmCustomCommand> cc,
bool replace)
{
return AddCustomCommand(lg, origin, std::move(cc), replace);
}
void AppendCustomCommandToOutput(cmLocalGenerator& lg,
const cmListFileBacktrace& lfbt,
const std::string& output,
const std::vector<std::string>& depends,
const cmImplicitDependsList& implicit_depends,
const cmCustomCommandLines& commandLines)
{
// Lookup an existing command.
cmSourceFile* sf = nullptr;
if (cmGeneratorExpression::Find(output) == std::string::npos) {
sf = lg.GetSourceFileWithOutput(output);
} else {
// This output path has a generator expression. Evaluate it to
// find the output for any configurations.
for (std::string const& out :
lg.ExpandCustomCommandOutputGenex(output, lfbt)) {
sf = lg.GetSourceFileWithOutput(out);
if (sf) {
break;
}
}
}
if (sf) {
if (cmCustomCommand* cc = sf->GetCustomCommand()) {
cc->AppendCommands(commandLines);
cc->AppendDepends(depends);
cc->AppendImplicitDepends(implicit_depends);
return;
}
}
// No existing command found.
lg.GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat("Attempt to APPEND to custom command with output\n ", output,
"\nwhich is not already a custom command output."),
lfbt);
}
void AddUtilityCommand(cmLocalGenerator& lg, cmCommandOrigin origin,
cmTarget* target, std::unique_ptr<cmCustomCommand> cc)
{
// They might be moved away
auto byproducts = cc->GetByproducts();
auto lfbt = cc->GetBacktrace();
// Use an empty comment to avoid generation of default comment.
if (!cc->GetComment()) {
cc->SetComment("");
}
// Create the generated symbolic output name of the utility target.
std::string output =
lg.CreateUtilityOutput(target->GetName(), byproducts, lfbt);
cc->SetOutputs(output);
cmSourceFile* rule = AddCustomCommand(lg, origin, std::move(cc),
/*replace=*/false);
if (rule) {
lg.AddTargetByproducts(target, byproducts, lfbt, origin);
}
target->AddSource(output);
}
std::vector<std::string> ComputeISPCObjectSuffixes(cmGeneratorTarget* target)
{
const cmValue targetProperty = target->GetProperty("ISPC_INSTRUCTION_SETS");
cmList ispcTargets;
if (!targetProperty.IsOff()) {
ispcTargets.assign(targetProperty);
for (auto& ispcTarget : ispcTargets) {
// transform targets into the suffixes
auto pos = ispcTarget.find('-');
auto target_suffix = ispcTarget.substr(0, pos);
if (target_suffix ==
"avx1") { // when targeting avx1 ISPC uses the 'avx' output string
target_suffix = "avx";
}
ispcTarget = target_suffix;
}
}
return std::move(ispcTargets.data());
}
std::vector<std::string> ComputeISPCExtraObjects(
std::string const& objectName, std::string const& buildDirectory,
std::vector<std::string> const& ispcSuffixes)
{
auto normalizedDir = cmSystemTools::CollapseFullPath(buildDirectory);
std::vector<std::string> computedObjects;
computedObjects.reserve(ispcSuffixes.size());
auto extension = cmSystemTools::GetFilenameLastExtension(objectName);
// We can't use cmSystemTools::GetFilenameWithoutLastExtension as it
// drops any directories in objectName
auto objNameNoExt = objectName;
std::string::size_type dot_pos = objectName.rfind('.');
if (dot_pos != std::string::npos) {
objNameNoExt.resize(dot_pos);
}
for (const auto& ispcTarget : ispcSuffixes) {
computedObjects.emplace_back(
cmStrCat(normalizedDir, "/", objNameNoExt, "_", ispcTarget, extension));
}
return computedObjects;
}
}
cmSourcesWithOutput cmLocalGenerator::GetSourcesWithOutput(
const std::string& name) const
{
// Linear search? Also see GetSourceFileWithOutput for detail.
if (!cmSystemTools::FileIsFullPath(name)) {
cmSourcesWithOutput sources;
sources.Target = this->LinearGetTargetWithOutput(name);
sources.Source = this->LinearGetSourceFileWithOutput(
name, cmSourceOutputKind::OutputOrByproduct, sources.SourceIsByproduct);
return sources;
}
// Otherwise we use an efficient lookup map.
auto o = this->OutputToSource.find(name);
if (o != this->OutputToSource.end()) {
return o->second.Sources;
}
return {};
}
cmSourceFile* cmLocalGenerator::GetSourceFileWithOutput(
const std::string& name, cmSourceOutputKind kind) const
{
// If the queried path is not absolute we use the backward compatible
// linear-time search for an output with a matching suffix.
if (!cmSystemTools::FileIsFullPath(name)) {
bool byproduct = false;
return this->LinearGetSourceFileWithOutput(name, kind, byproduct);
}
// Otherwise we use an efficient lookup map.
auto o = this->OutputToSource.find(name);
if (o != this->OutputToSource.end() &&
(!o->second.Sources.SourceIsByproduct ||
kind == cmSourceOutputKind::OutputOrByproduct)) {
// Source file could also be null pointer for example if we found the
// byproduct of a utility target, a PRE_BUILD, PRE_LINK, or POST_BUILD
// command of a target, or a not yet created custom command.
return o->second.Sources.Source;
}
return nullptr;
}
std::string cmLocalGenerator::CreateUtilityOutput(
std::string const& targetName, std::vector<std::string> const&,
cmListFileBacktrace const&)
{
std::string force =
cmStrCat(this->GetCurrentBinaryDirectory(), "/CMakeFiles/", targetName);
// The output is not actually created so mark it symbolic.
if (cmSourceFile* sf = this->Makefile->GetOrCreateGeneratedSource(force)) {
sf->SetProperty("SYMBOLIC", "1");
} else {
cmSystemTools::Error("Could not get source file entry for " + force);
}
return force;
}
std::vector<cmCustomCommandGenerator>
cmLocalGenerator::MakeCustomCommandGenerators(cmCustomCommand const& cc,
std::string const& config)
{
std::vector<cmCustomCommandGenerator> ccgs;
ccgs.emplace_back(cc, config, this);
return ccgs;
}
std::vector<std::string> cmLocalGenerator::ExpandCustomCommandOutputPaths(
cmCompiledGeneratorExpression const& cge, std::string const& config)
{
cmList paths{ cge.Evaluate(this, config) };
for (std::string& p : paths) {
p = cmSystemTools::CollapseFullPath(p, this->GetCurrentBinaryDirectory());
}
return std::move(paths.data());
}
std::vector<std::string> cmLocalGenerator::ExpandCustomCommandOutputGenex(
std::string const& o, cmListFileBacktrace const& bt)
{
std::vector<std::string> allConfigOutputs;
cmGeneratorExpression ge(*this->GetCMakeInstance(), bt);
std::unique_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(o);
std::vector<std::string> configs =
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
for (std::string const& config : configs) {
std::vector<std::string> configOutputs =
this->ExpandCustomCommandOutputPaths(*cge, config);
allConfigOutputs.reserve(allConfigOutputs.size() + configOutputs.size());
std::move(configOutputs.begin(), configOutputs.end(),
std::back_inserter(allConfigOutputs));
}
auto endUnique =
cmRemoveDuplicates(allConfigOutputs.begin(), allConfigOutputs.end());
allConfigOutputs.erase(endUnique, allConfigOutputs.end());
return allConfigOutputs;
}
void cmLocalGenerator::AddTargetByproducts(
cmTarget* target, const std::vector<std::string>& byproducts,
cmListFileBacktrace const& bt, cmCommandOrigin origin)
{
for (std::string const& o : byproducts) {
if (cmGeneratorExpression::Find(o) == std::string::npos) {
this->UpdateOutputToSourceMap(o, target, bt, origin);
continue;
}
// This byproduct path has a generator expression. Evaluate it to
// register the byproducts for all configurations.
for (std::string const& b : this->ExpandCustomCommandOutputGenex(o, bt)) {
this->UpdateOutputToSourceMap(b, target, bt, cmCommandOrigin::Generator);
}
}
}
void cmLocalGenerator::AddSourceOutputs(
cmSourceFile* source, const std::vector<std::string>& outputs,
OutputRole role, cmListFileBacktrace const& bt, cmCommandOrigin origin)
{
for (std::string const& o : outputs) {
if (cmGeneratorExpression::Find(o) == std::string::npos) {
this->UpdateOutputToSourceMap(o, source, role, bt, origin);
continue;
}
// This output path has a generator expression. Evaluate it to
// register the outputs for all configurations.
for (std::string const& out :
this->ExpandCustomCommandOutputGenex(o, bt)) {
this->UpdateOutputToSourceMap(out, source, role, bt,
cmCommandOrigin::Generator);
}
}
}
void cmLocalGenerator::UpdateOutputToSourceMap(std::string const& byproduct,
cmTarget* target,
cmListFileBacktrace const& bt,
cmCommandOrigin origin)
{
SourceEntry entry;
entry.Sources.Target = target;
auto pr = this->OutputToSource.emplace(byproduct, entry);
if (pr.second) {
CreateGeneratedSource(*this, byproduct, OutputRole::Byproduct, origin, bt);
} else {
SourceEntry& current = pr.first->second;
// Has the target already been set?
if (!current.Sources.Target) {
current.Sources.Target = target;
} else {
// Multiple custom commands/targets produce the same output (source file
// or target). See also comment in other UpdateOutputToSourceMap
// overload.
//
// TODO: Warn the user about this case.
}
}
}
void cmLocalGenerator::UpdateOutputToSourceMap(std::string const& output,
cmSourceFile* source,
OutputRole role,
cmListFileBacktrace const& bt,
cmCommandOrigin origin)
{
SourceEntry entry;
entry.Sources.Source = source;
entry.Sources.SourceIsByproduct = role == OutputRole::Byproduct;
auto pr = this->OutputToSource.emplace(output, entry);
if (pr.second) {
CreateGeneratedSource(*this, output, role, origin, bt);
} else {
SourceEntry& current = pr.first->second;
// Outputs take precedence over byproducts
if (!current.Sources.Source ||
(current.Sources.SourceIsByproduct && role == OutputRole::Primary)) {
current.Sources.Source = source;
current.Sources.SourceIsByproduct = false;
} else {
// Multiple custom commands produce the same output but may
// be attached to a different source file (MAIN_DEPENDENCY).
// LinearGetSourceFileWithOutput would return the first one,
// so keep the mapping for the first one.
//
// TODO: Warn the user about this case. However, the VS 8 generator
// triggers it for separate generate.stamp rules in ZERO_CHECK and
// individual targets.
}
}
}
cmTarget* cmLocalGenerator::LinearGetTargetWithOutput(
const std::string& name) const
{
// We go through the ordered vector of targets to get reproducible results
// should multiple names match.
for (cmTarget* t : this->Makefile->GetOrderedTargets()) {
// Does the output of any command match the source file name?
if (AnyTargetCommandOutputMatches(name, t->GetPreBuildCommands())) {
return t;
}
if (AnyTargetCommandOutputMatches(name, t->GetPreLinkCommands())) {
return t;
}
if (AnyTargetCommandOutputMatches(name, t->GetPostBuildCommands())) {
return t;
}
}
return nullptr;
}
cmSourceFile* cmLocalGenerator::LinearGetSourceFileWithOutput(
const std::string& name, cmSourceOutputKind kind, bool& byproduct) const
{
// Outputs take precedence over byproducts.
byproduct = false;
cmSourceFile* fallback = nullptr;
// Look through all the source files that have custom commands and see if the
// custom command has the passed source file as an output.
for (const auto& src : this->Makefile->GetSourceFiles()) {
// Does this source file have a custom command?
if (src->GetCustomCommand()) {
// Does the output of the custom command match the source file name?
if (AnyOutputMatches(name, src->GetCustomCommand()->GetOutputs())) {
// Return the first matching output.
return src.get();
}
if (kind == cmSourceOutputKind::OutputOrByproduct) {
if (AnyOutputMatches(name, src->GetCustomCommand()->GetByproducts())) {
// Do not return the source yet as there might be a matching output.
fallback = src.get();
}
}
}
}
// Did we find a byproduct?
byproduct = fallback != nullptr;
return fallback;
}