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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmGeneratorTarget.h"
#include <algorithm>
#include <cassert>
#include <cerrno>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iterator>
#include <queue>
#include <sstream>
#include <unordered_set>
#include <utility>
#include <cm/memory>
#include <cm/string_view>
#include "cmsys/RegularExpression.hxx"
#include "cmAlgorithms.h"
#include "cmComputeLinkInformation.h"
#include "cmCustomCommand.h"
#include "cmCustomCommandGenerator.h"
#include "cmCustomCommandLines.h"
#include "cmFileTimes.h"
#include "cmGeneratedFileStream.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorExpressionContext.h"
#include "cmGeneratorExpressionDAGChecker.h"
#include "cmGeneratorExpressionNode.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPropertyMap.h"
#include "cmRange.h"
#include "cmSourceFile.h"
#include "cmSourceFileLocation.h"
#include "cmSourceFileLocationKind.h"
#include "cmState.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmTargetLinkLibraryType.h"
#include "cmTargetPropertyComputer.h"
#include "cmake.h"
class cmMessenger;
template <>
const char* cmTargetPropertyComputer::GetSources<cmGeneratorTarget>(
cmGeneratorTarget const* tgt, cmMessenger* /* messenger */,
cmListFileBacktrace const& /* context */)
{
return tgt->GetSourcesProperty().c_str();
}
template <>
const std::string&
cmTargetPropertyComputer::ComputeLocationForBuild<cmGeneratorTarget>(
cmGeneratorTarget const* tgt)
{
return tgt->GetLocation("");
}
template <>
const std::string&
cmTargetPropertyComputer::ComputeLocation<cmGeneratorTarget>(
cmGeneratorTarget const* tgt, const std::string& config)
{
return tgt->GetLocation(config);
}
class cmGeneratorTarget::TargetPropertyEntry
{
protected:
static cmLinkImplItem NoLinkImplItem;
public:
TargetPropertyEntry(cmLinkImplItem const& item)
: LinkImplItem(item)
{
}
virtual ~TargetPropertyEntry() = default;
virtual const std::string& Evaluate(
cmLocalGenerator* lg, const std::string& config,
cmGeneratorTarget const* headTarget,
cmGeneratorExpressionDAGChecker* dagChecker,
std::string const& language) const = 0;
virtual cmListFileBacktrace GetBacktrace() const = 0;
virtual std::string const& GetInput() const = 0;
virtual bool GetHadContextSensitiveCondition() const { return false; }
cmLinkImplItem const& LinkImplItem;
};
cmLinkImplItem cmGeneratorTarget::TargetPropertyEntry::NoLinkImplItem;
class TargetPropertyEntryGenex : public cmGeneratorTarget::TargetPropertyEntry
{
public:
TargetPropertyEntryGenex(std::unique_ptr<cmCompiledGeneratorExpression> cge,
cmLinkImplItem const& item = NoLinkImplItem)
: cmGeneratorTarget::TargetPropertyEntry(item)
, ge(std::move(cge))
{
}
const std::string& Evaluate(cmLocalGenerator* lg, const std::string& config,
cmGeneratorTarget const* headTarget,
cmGeneratorExpressionDAGChecker* dagChecker,
std::string const& language) const override
{
return this->ge->Evaluate(lg, config, headTarget, dagChecker, nullptr,
language);
}
cmListFileBacktrace GetBacktrace() const override
{
return this->ge->GetBacktrace();
}
std::string const& GetInput() const override { return this->ge->GetInput(); }
bool GetHadContextSensitiveCondition() const override
{
return this->ge->GetHadContextSensitiveCondition();
}
private:
const std::unique_ptr<cmCompiledGeneratorExpression> ge;
};
class TargetPropertyEntryString : public cmGeneratorTarget::TargetPropertyEntry
{
public:
TargetPropertyEntryString(std::string propertyValue,
cmListFileBacktrace backtrace,
cmLinkImplItem const& item = NoLinkImplItem)
: cmGeneratorTarget::TargetPropertyEntry(item)
, PropertyValue(std::move(propertyValue))
, Backtrace(std::move(backtrace))
{
}
const std::string& Evaluate(cmLocalGenerator*, const std::string&,
cmGeneratorTarget const*,
cmGeneratorExpressionDAGChecker*,
std::string const&) const override
{
return this->PropertyValue;
}
cmListFileBacktrace GetBacktrace() const override { return this->Backtrace; }
std::string const& GetInput() const override { return this->PropertyValue; }
private:
std::string PropertyValue;
cmListFileBacktrace Backtrace;
};
std::unique_ptr<cmGeneratorTarget::TargetPropertyEntry>
CreateTargetPropertyEntry(
const std::string& propertyValue,
cmListFileBacktrace backtrace = cmListFileBacktrace(),
bool evaluateForBuildsystem = false)
{
if (cmGeneratorExpression::Find(propertyValue) != std::string::npos) {
cmGeneratorExpression ge(std::move(backtrace));
std::unique_ptr<cmCompiledGeneratorExpression> cge =
ge.Parse(propertyValue);
cge->SetEvaluateForBuildsystem(evaluateForBuildsystem);
return std::unique_ptr<cmGeneratorTarget::TargetPropertyEntry>(
cm::make_unique<TargetPropertyEntryGenex>(std::move(cge)));
}
return std::unique_ptr<cmGeneratorTarget::TargetPropertyEntry>(
cm::make_unique<TargetPropertyEntryString>(propertyValue,
std::move(backtrace)));
}
void CreatePropertyGeneratorExpressions(
cmStringRange entries, cmBacktraceRange backtraces,
std::vector<std::unique_ptr<cmGeneratorTarget::TargetPropertyEntry>>& items,
bool evaluateForBuildsystem = false)
{
auto btIt = backtraces.begin();
for (auto it = entries.begin(); it != entries.end(); ++it, ++btIt) {
items.push_back(
CreateTargetPropertyEntry(*it, *btIt, evaluateForBuildsystem));
}
}
namespace {
// Represent a target property entry after evaluating generator expressions
// and splitting up lists.
struct EvaluatedTargetPropertyEntry
{
EvaluatedTargetPropertyEntry(cmLinkImplItem const& item,
cmListFileBacktrace bt)
: LinkImplItem(item)
, Backtrace(std::move(bt))
{
}
// Move-only.
EvaluatedTargetPropertyEntry(EvaluatedTargetPropertyEntry&&) = default;
EvaluatedTargetPropertyEntry(EvaluatedTargetPropertyEntry const&) = delete;
EvaluatedTargetPropertyEntry& operator=(EvaluatedTargetPropertyEntry&&) =
delete;
EvaluatedTargetPropertyEntry& operator=(
EvaluatedTargetPropertyEntry const&) = delete;
cmLinkImplItem const& LinkImplItem;
cmListFileBacktrace Backtrace;
std::vector<std::string> Values;
bool ContextDependent = false;
};
EvaluatedTargetPropertyEntry EvaluateTargetPropertyEntry(
cmGeneratorTarget const* thisTarget, std::string const& config,
std::string const& lang, cmGeneratorExpressionDAGChecker* dagChecker,
cmGeneratorTarget::TargetPropertyEntry& entry)
{
EvaluatedTargetPropertyEntry ee(entry.LinkImplItem, entry.GetBacktrace());
cmExpandList(entry.Evaluate(thisTarget->GetLocalGenerator(), config,
thisTarget, dagChecker, lang),
ee.Values);
if (entry.GetHadContextSensitiveCondition()) {
ee.ContextDependent = true;
}
return ee;
}
std::vector<EvaluatedTargetPropertyEntry> EvaluateTargetPropertyEntries(
cmGeneratorTarget const* thisTarget, std::string const& config,
std::string const& lang, cmGeneratorExpressionDAGChecker* dagChecker,
std::vector<std::unique_ptr<cmGeneratorTarget::TargetPropertyEntry>> const&
in)
{
std::vector<EvaluatedTargetPropertyEntry> out;
out.reserve(in.size());
for (auto& entry : in) {
out.emplace_back(EvaluateTargetPropertyEntry(thisTarget, config, lang,
dagChecker, *entry));
}
return out;
}
}
cmGeneratorTarget::cmGeneratorTarget(cmTarget* t, cmLocalGenerator* lg)
: Target(t)
, FortranModuleDirectoryCreated(false)
, SourceFileFlagsConstructed(false)
, PolicyWarnedCMP0022(false)
, PolicyReportedCMP0069(false)
, DebugIncludesDone(false)
, DebugCompileOptionsDone(false)
, DebugCompileFeaturesDone(false)
, DebugCompileDefinitionsDone(false)
, DebugLinkOptionsDone(false)
, DebugLinkDirectoriesDone(false)
, DebugPrecompileHeadersDone(false)
, DebugSourcesDone(false)
, LinkImplementationLanguageIsContextDependent(true)
, UtilityItemsDone(false)
{
this->Makefile = this->Target->GetMakefile();
this->LocalGenerator = lg;
this->GlobalGenerator = this->LocalGenerator->GetGlobalGenerator();
this->GlobalGenerator->ComputeTargetObjectDirectory(this);
CreatePropertyGeneratorExpressions(t->GetIncludeDirectoriesEntries(),
t->GetIncludeDirectoriesBacktraces(),
this->IncludeDirectoriesEntries);
CreatePropertyGeneratorExpressions(t->GetCompileOptionsEntries(),
t->GetCompileOptionsBacktraces(),
this->CompileOptionsEntries);
CreatePropertyGeneratorExpressions(t->GetCompileFeaturesEntries(),
t->GetCompileFeaturesBacktraces(),
this->CompileFeaturesEntries);
CreatePropertyGeneratorExpressions(t->GetCompileDefinitionsEntries(),
t->GetCompileDefinitionsBacktraces(),
this->CompileDefinitionsEntries);
CreatePropertyGeneratorExpressions(t->GetLinkOptionsEntries(),
t->GetLinkOptionsBacktraces(),
this->LinkOptionsEntries);
CreatePropertyGeneratorExpressions(t->GetLinkDirectoriesEntries(),
t->GetLinkDirectoriesBacktraces(),
this->LinkDirectoriesEntries);
CreatePropertyGeneratorExpressions(t->GetPrecompileHeadersEntries(),
t->GetPrecompileHeadersBacktraces(),
this->PrecompileHeadersEntries);
CreatePropertyGeneratorExpressions(t->GetSourceEntries(),
t->GetSourceBacktraces(),
this->SourceEntries, true);
this->PolicyMap = t->GetPolicyMap();
}
cmGeneratorTarget::~cmGeneratorTarget() = default;
const std::string& cmGeneratorTarget::GetSourcesProperty() const
{
std::vector<std::string> values;
for (auto& se : this->SourceEntries) {
values.push_back(se->GetInput());
}
static std::string value;
value.clear();
value = cmJoin(values, ";");
return value;
}
cmGlobalGenerator* cmGeneratorTarget::GetGlobalGenerator() const
{
return this->GetLocalGenerator()->GetGlobalGenerator();
}
cmLocalGenerator* cmGeneratorTarget::GetLocalGenerator() const
{
return this->LocalGenerator;
}
cmStateEnums::TargetType cmGeneratorTarget::GetType() const
{
return this->Target->GetType();
}
const std::string& cmGeneratorTarget::GetName() const
{
return this->Target->GetName();
}
std::string cmGeneratorTarget::GetExportName() const
{
const char* exportName = this->GetProperty("EXPORT_NAME");
if (exportName && *exportName) {
if (!cmGeneratorExpression::IsValidTargetName(exportName)) {
std::ostringstream e;
e << "EXPORT_NAME property \"" << exportName << "\" for \""
<< this->GetName() << "\": is not valid.";
cmSystemTools::Error(e.str());
return "";
}
return exportName;
}
return this->GetName();
}
const char* cmGeneratorTarget::GetProperty(const std::string& prop) const
{
if (!cmTargetPropertyComputer::PassesWhitelist(
this->GetType(), prop, this->Makefile->GetMessenger(),
this->GetBacktrace())) {
return nullptr;
}
if (const char* result = cmTargetPropertyComputer::GetProperty(
this, prop, this->Makefile->GetMessenger(), this->GetBacktrace())) {
return result;
}
if (cmSystemTools::GetFatalErrorOccured()) {
return nullptr;
}
return this->Target->GetProperty(prop);
}
const char* cmGeneratorTarget::GetSafeProperty(const std::string& prop) const
{
const char* ret = this->GetProperty(prop);
if (!ret) {
return "";
}
return ret;
}
const char* cmGeneratorTarget::GetOutputTargetType(
cmStateEnums::ArtifactType artifact) const
{
switch (this->GetType()) {
case cmStateEnums::SHARED_LIBRARY:
if (this->IsDLLPlatform()) {
switch (artifact) {
case cmStateEnums::RuntimeBinaryArtifact:
// A DLL shared library is treated as a runtime target.
return "RUNTIME";
case cmStateEnums::ImportLibraryArtifact:
// A DLL import library is treated as an archive target.
return "ARCHIVE";
}
} else {
// For non-DLL platforms shared libraries are treated as
// library targets.
return "LIBRARY";
}
break;
case cmStateEnums::STATIC_LIBRARY:
// Static libraries are always treated as archive targets.
return "ARCHIVE";
case cmStateEnums::MODULE_LIBRARY:
switch (artifact) {
case cmStateEnums::RuntimeBinaryArtifact:
// Module libraries are always treated as library targets.
return "LIBRARY";
case cmStateEnums::ImportLibraryArtifact:
// Module import libraries are treated as archive targets.
return "ARCHIVE";
}
break;
case cmStateEnums::OBJECT_LIBRARY:
// Object libraries are always treated as object targets.
return "OBJECT";
case cmStateEnums::EXECUTABLE:
switch (artifact) {
case cmStateEnums::RuntimeBinaryArtifact:
// Executables are always treated as runtime targets.
return "RUNTIME";
case cmStateEnums::ImportLibraryArtifact:
// Executable import libraries are treated as archive targets.
return "ARCHIVE";
}
break;
default:
break;
}
return "";
}
std::string cmGeneratorTarget::GetOutputName(
const std::string& config, cmStateEnums::ArtifactType artifact) const
{
// Lookup/compute/cache the output name for this configuration.
OutputNameKey key(config, artifact);
auto i = this->OutputNameMap.find(key);
if (i == this->OutputNameMap.end()) {
// Add empty name in map to detect potential recursion.
OutputNameMapType::value_type entry(key, "");
i = this->OutputNameMap.insert(entry).first;
// Compute output name.
std::vector<std::string> props;
std::string type = this->GetOutputTargetType(artifact);
std::string configUpper = cmSystemTools::UpperCase(config);
if (!type.empty() && !configUpper.empty()) {
// <ARCHIVE|LIBRARY|RUNTIME>_OUTPUT_NAME_<CONFIG>
props.push_back(type + "_OUTPUT_NAME_" + configUpper);
}
if (!type.empty()) {
// <ARCHIVE|LIBRARY|RUNTIME>_OUTPUT_NAME
props.push_back(type + "_OUTPUT_NAME");
}
if (!configUpper.empty()) {
// OUTPUT_NAME_<CONFIG>
props.push_back("OUTPUT_NAME_" + configUpper);
// <CONFIG>_OUTPUT_NAME
props.push_back(configUpper + "_OUTPUT_NAME");
}
// OUTPUT_NAME
props.emplace_back("OUTPUT_NAME");
std::string outName;
for (std::string const& p : props) {
if (const char* outNameProp = this->GetProperty(p)) {
outName = outNameProp;
break;
}
}
if (outName.empty()) {
outName = this->GetName();
}
// Now evaluate genex and update the previously-prepared map entry.
i->second =
cmGeneratorExpression::Evaluate(outName, this->LocalGenerator, config);
} else if (i->second.empty()) {
// An empty map entry indicates we have been called recursively
// from the above block.
this->LocalGenerator->GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR,
"Target '" + this->GetName() + "' OUTPUT_NAME depends on itself.",
this->GetBacktrace());
}
return i->second;
}
std::string cmGeneratorTarget::GetFilePrefix(
const std::string& config, cmStateEnums::ArtifactType artifact) const
{
if (this->IsImported()) {
const char* prefix = this->GetFilePrefixInternal(config, artifact);
return prefix ? prefix : std::string();
}
std::string prefix;
std::string suffix;
std::string base;
this->GetFullNameInternal(config, artifact, prefix, base, suffix);
return prefix;
}
std::string cmGeneratorTarget::GetFileSuffix(
const std::string& config, cmStateEnums::ArtifactType artifact) const
{
if (this->IsImported()) {
const char* suffix = this->GetFileSuffixInternal(config, artifact);
return suffix ? suffix : std::string();
}
std::string prefix;
std::string suffix;
std::string base;
this->GetFullNameInternal(config, artifact, prefix, base, suffix);
return suffix;
}
std::string cmGeneratorTarget::GetFilePostfix(const std::string& config) const
{
const char* postfix = nullptr;
if (!config.empty()) {
std::string configProp =
cmStrCat(cmSystemTools::UpperCase(config), "_POSTFIX");
postfix = this->GetProperty(configProp);
// Mac application bundles and frameworks have no postfix.
if (!this->IsImported() && postfix &&
(this->IsAppBundleOnApple() || this->IsFrameworkOnApple())) {
postfix = nullptr;
}
}
return postfix ? postfix : std::string();
}
const char* cmGeneratorTarget::GetFilePrefixInternal(
std::string const& config, cmStateEnums::ArtifactType artifact,
const std::string& language) const
{
// no prefix for non-main target types.
if (this->GetType() != cmStateEnums::STATIC_LIBRARY &&
this->GetType() != cmStateEnums::SHARED_LIBRARY &&
this->GetType() != cmStateEnums::MODULE_LIBRARY &&
this->GetType() != cmStateEnums::EXECUTABLE) {
return nullptr;
}
const bool isImportedLibraryArtifact =
(artifact == cmStateEnums::ImportLibraryArtifact);
// Return an empty prefix for the import library if this platform
// does not support import libraries.
if (isImportedLibraryArtifact && !this->NeedImportLibraryName(config)) {
return nullptr;
}
// The implib option is only allowed for shared libraries, module
// libraries, and executables.
if (this->GetType() != cmStateEnums::SHARED_LIBRARY &&
this->GetType() != cmStateEnums::MODULE_LIBRARY &&
this->GetType() != cmStateEnums::EXECUTABLE) {
artifact = cmStateEnums::RuntimeBinaryArtifact;
}
// Compute prefix value.
const char* targetPrefix =
(isImportedLibraryArtifact ? this->GetProperty("IMPORT_PREFIX")
: this->GetProperty("PREFIX"));
if (!targetPrefix) {
const char* prefixVar = this->Target->GetPrefixVariableInternal(artifact);
if (!language.empty() && prefixVar && *prefixVar) {
std::string langPrefix = prefixVar + std::string("_") + language;
targetPrefix = this->Makefile->GetDefinition(langPrefix);
}
// if there is no prefix on the target nor specific language
// use the cmake definition.
if (!targetPrefix && prefixVar) {
targetPrefix = this->Makefile->GetDefinition(prefixVar);
}
}
return targetPrefix;
}
const char* cmGeneratorTarget::GetFileSuffixInternal(
std::string const& config, cmStateEnums::ArtifactType artifact,
const std::string& language) const
{
// no suffix for non-main target types.
if (this->GetType() != cmStateEnums::STATIC_LIBRARY &&
this->GetType() != cmStateEnums::SHARED_LIBRARY &&
this->GetType() != cmStateEnums::MODULE_LIBRARY &&
this->GetType() != cmStateEnums::EXECUTABLE) {
return nullptr;
}
const bool isImportedLibraryArtifact =
(artifact == cmStateEnums::ImportLibraryArtifact);
// Return an empty suffix for the import library if this platform
// does not support import libraries.
if (isImportedLibraryArtifact && !this->NeedImportLibraryName(config)) {
return nullptr;
}
// The implib option is only allowed for shared libraries, module
// libraries, and executables.
if (this->GetType() != cmStateEnums::SHARED_LIBRARY &&
this->GetType() != cmStateEnums::MODULE_LIBRARY &&
this->GetType() != cmStateEnums::EXECUTABLE) {
artifact = cmStateEnums::RuntimeBinaryArtifact;
}
// Compute suffix value.
const char* targetSuffix =
(isImportedLibraryArtifact ? this->GetProperty("IMPORT_SUFFIX")
: this->GetProperty("SUFFIX"));
if (!targetSuffix) {
const char* suffixVar = this->Target->GetSuffixVariableInternal(artifact);
if (!language.empty() && suffixVar && *suffixVar) {
std::string langSuffix = suffixVar + std::string("_") + language;
targetSuffix = this->Makefile->GetDefinition(langSuffix);
}
// if there is no suffix on the target nor specific language
// use the cmake definition.
if (!targetSuffix && suffixVar) {
targetSuffix = this->Makefile->GetDefinition(suffixVar);
}
}
return targetSuffix;
}
void cmGeneratorTarget::ClearSourcesCache()
{
this->KindedSourcesMap.clear();
this->LinkImplementationLanguageIsContextDependent = true;
this->Objects.clear();
this->VisitedConfigsForObjects.clear();
}
void cmGeneratorTarget::AddSourceCommon(const std::string& src, bool before)
{
this->SourceEntries.insert(
before ? this->SourceEntries.begin() : this->SourceEntries.end(),
CreateTargetPropertyEntry(src, this->Makefile->GetBacktrace(), true));
this->ClearSourcesCache();
}
void cmGeneratorTarget::AddSource(const std::string& src, bool before)
{
this->Target->AddSource(src, before);
this->AddSourceCommon(src, before);
}
void cmGeneratorTarget::AddTracedSources(std::vector<std::string> const& srcs)
{
this->Target->AddTracedSources(srcs);
if (!srcs.empty()) {
this->AddSourceCommon(cmJoin(srcs, ";"));
}
}
void cmGeneratorTarget::AddIncludeDirectory(const std::string& src,
bool before)
{
this->Target->InsertInclude(src, this->Makefile->GetBacktrace(), before);
this->IncludeDirectoriesEntries.insert(
before ? this->IncludeDirectoriesEntries.begin()
: this->IncludeDirectoriesEntries.end(),
CreateTargetPropertyEntry(src, this->Makefile->GetBacktrace(), true));
}
std::vector<cmSourceFile*> const* cmGeneratorTarget::GetSourceDepends(
cmSourceFile const* sf) const
{
auto i = this->SourceDepends.find(sf);
if (i != this->SourceDepends.end()) {
return &i->second.Depends;
}
return nullptr;
}
namespace {
void handleSystemIncludesDep(cmLocalGenerator* lg,
cmGeneratorTarget const* depTgt,
const std::string& config,
cmGeneratorTarget const* headTarget,
cmGeneratorExpressionDAGChecker* dagChecker,
std::vector<std::string>& result,
bool excludeImported, std::string const& language)
{
if (const char* dirs =
depTgt->GetProperty("INTERFACE_SYSTEM_INCLUDE_DIRECTORIES")) {
cmExpandList(cmGeneratorExpression::Evaluate(dirs, lg, config, headTarget,
dagChecker, depTgt, language),
result);
}
if (!depTgt->IsImported() || excludeImported) {
return;
}
if (const char* dirs =
depTgt->GetProperty("INTERFACE_INCLUDE_DIRECTORIES")) {
cmExpandList(cmGeneratorExpression::Evaluate(dirs, lg, config, headTarget,
dagChecker, depTgt, language),
result);
}
}
}
/* clang-format off */
#define IMPLEMENT_VISIT(KIND) \
do { \
KindedSources const& kinded = this->GetKindedSources(config); \
for (SourceAndKind const& s : kinded.Sources) { \
if (s.Kind == KIND) { \
data.push_back(s.Source.Value); \
} \
} \
} while (false)
/* clang-format on */
void cmGeneratorTarget::GetObjectSources(
std::vector<cmSourceFile const*>& data, const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindObjectSource);
if (this->VisitedConfigsForObjects.count(config)) {
return;
}
for (cmSourceFile const* it : data) {
this->Objects[it];
}
this->LocalGenerator->ComputeObjectFilenames(this->Objects, this);
this->VisitedConfigsForObjects.insert(config);
}
void cmGeneratorTarget::ComputeObjectMapping()
{
auto const& configs = this->Makefile->GetGeneratorConfigs();
std::set<std::string> configSet(configs.begin(), configs.end());
if (configSet == this->VisitedConfigsForObjects) {
return;
}
for (std::string const& c : configs) {
std::vector<cmSourceFile const*> sourceFiles;
this->GetObjectSources(sourceFiles, c);
}
}
const char* cmGeneratorTarget::GetFeature(const std::string& feature,
const std::string& config) const
{
if (!config.empty()) {
std::string featureConfig =
cmStrCat(feature, '_', cmSystemTools::UpperCase(config));
if (const char* value = this->GetProperty(featureConfig)) {
return value;
}
}
if (const char* value = this->GetProperty(feature)) {
return value;
}
return this->LocalGenerator->GetFeature(feature, config);
}
const char* cmGeneratorTarget::GetLinkPIEProperty(
const std::string& config) const
{
static std::string PICValue;
PICValue = this->GetLinkInterfaceDependentStringAsBoolProperty(
"POSITION_INDEPENDENT_CODE", config);
if (PICValue == "(unset)") {
// POSITION_INDEPENDENT_CODE is not set
return nullptr;
}
auto status = this->GetPolicyStatusCMP0083();
return (status != cmPolicies::WARN && status != cmPolicies::OLD)
? PICValue.c_str()
: nullptr;
}
bool cmGeneratorTarget::IsIPOEnabled(std::string const& lang,
std::string const& config) const
{
const char* feature = "INTERPROCEDURAL_OPTIMIZATION";
const bool result = cmIsOn(this->GetFeature(feature, config));
if (!result) {
// 'INTERPROCEDURAL_OPTIMIZATION' is off, no need to check policies
return false;
}
if (lang != "C" && lang != "CXX" && lang != "Fortran") {
// We do not define IPO behavior for other languages.
return false;
}
cmPolicies::PolicyStatus cmp0069 = this->GetPolicyStatusCMP0069();
if (cmp0069 == cmPolicies::OLD || cmp0069 == cmPolicies::WARN) {
if (this->Makefile->IsOn("_CMAKE_" + lang + "_IPO_LEGACY_BEHAVIOR")) {
return true;
}
if (this->PolicyReportedCMP0069) {
// problem is already reported, no need to issue a message
return false;
}
const bool in_try_compile =
this->LocalGenerator->GetCMakeInstance()->GetIsInTryCompile();
if (cmp0069 == cmPolicies::WARN && !in_try_compile) {
std::ostringstream w;
w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0069) << "\n";
w << "INTERPROCEDURAL_OPTIMIZATION property will be ignored for target "
<< "'" << this->GetName() << "'.";
this->LocalGenerator->GetCMakeInstance()->IssueMessage(
MessageType::AUTHOR_WARNING, w.str(), this->GetBacktrace());
this->PolicyReportedCMP0069 = true;
}
return false;
}
// Note: check consistency with messages from CheckIPOSupported
const char* message = nullptr;
if (!this->Makefile->IsOn("_CMAKE_" + lang + "_IPO_SUPPORTED_BY_CMAKE")) {
message = "CMake doesn't support IPO for current compiler";
} else if (!this->Makefile->IsOn("_CMAKE_" + lang +
"_IPO_MAY_BE_SUPPORTED_BY_COMPILER")) {
message = "Compiler doesn't support IPO";
} else if (!this->GlobalGenerator->IsIPOSupported()) {
message = "CMake doesn't support IPO for current generator";
}
if (!message) {
// No error/warning messages
return true;
}
if (this->PolicyReportedCMP0069) {
// problem is already reported, no need to issue a message
return false;
}
this->PolicyReportedCMP0069 = true;
this->LocalGenerator->GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR, message, this->GetBacktrace());
return false;
}
const std::string& cmGeneratorTarget::GetObjectName(cmSourceFile const* file)
{
this->ComputeObjectMapping();
return this->Objects[file];
}
const char* cmGeneratorTarget::GetCustomObjectExtension() const
{
static std::string extension;
const bool has_ptx_extension =
this->GetPropertyAsBool("CUDA_PTX_COMPILATION");
if (has_ptx_extension) {
extension = ".ptx";
return extension.c_str();
}
return nullptr;
}
void cmGeneratorTarget::AddExplicitObjectName(cmSourceFile const* sf)
{
this->ExplicitObjectName.insert(sf);
}
bool cmGeneratorTarget::HasExplicitObjectName(cmSourceFile const* file) const
{
const_cast<cmGeneratorTarget*>(this)->ComputeObjectMapping();
auto it = this->ExplicitObjectName.find(file);
return it != this->ExplicitObjectName.end();
}
void cmGeneratorTarget::GetModuleDefinitionSources(
std::vector<cmSourceFile const*>& data, const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindModuleDefinition);
}
void cmGeneratorTarget::GetHeaderSources(
std::vector<cmSourceFile const*>& data, const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindHeader);
}
void cmGeneratorTarget::GetExtraSources(std::vector<cmSourceFile const*>& data,
const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindExtra);
}
void cmGeneratorTarget::GetCustomCommands(
std::vector<cmSourceFile const*>& data, const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindCustomCommand);
}
void cmGeneratorTarget::GetExternalObjects(
std::vector<cmSourceFile const*>& data, const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindExternalObject);
}
void cmGeneratorTarget::GetExpectedResxHeaders(std::set<std::string>& headers,
const std::string& config) const
{
KindedSources const& kinded = this->GetKindedSources(config);
headers = kinded.ExpectedResxHeaders;
}
void cmGeneratorTarget::GetResxSources(std::vector<cmSourceFile const*>& data,
const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindResx);
}
void cmGeneratorTarget::GetAppManifest(std::vector<cmSourceFile const*>& data,
const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindAppManifest);
}
void cmGeneratorTarget::GetManifests(std::vector<cmSourceFile const*>& data,
const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindManifest);
}
void cmGeneratorTarget::GetCertificates(std::vector<cmSourceFile const*>& data,
const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindCertificate);
}
void cmGeneratorTarget::GetExpectedXamlHeaders(std::set<std::string>& headers,
const std::string& config) const
{
KindedSources const& kinded = this->GetKindedSources(config);
headers = kinded.ExpectedXamlHeaders;
}
void cmGeneratorTarget::GetExpectedXamlSources(std::set<std::string>& srcs,
const std::string& config) const
{
KindedSources const& kinded = this->GetKindedSources(config);
srcs = kinded.ExpectedXamlSources;
}
std::set<cmLinkItem> const& cmGeneratorTarget::GetUtilityItems() const
{
if (!this->UtilityItemsDone) {
this->UtilityItemsDone = true;
std::set<BT<std::pair<std::string, bool>>> const& utilities =
this->GetUtilities();
for (BT<std::pair<std::string, bool>> const& i : utilities) {
if (cmGeneratorTarget* gt =
this->LocalGenerator->FindGeneratorTargetToUse(i.Value.first)) {
this->UtilityItems.insert(cmLinkItem(gt, i.Value.second, i.Backtrace));
} else {
this->UtilityItems.insert(
cmLinkItem(i.Value.first, i.Value.second, i.Backtrace));
}
}
}
return this->UtilityItems;
}
void cmGeneratorTarget::GetXamlSources(std::vector<cmSourceFile const*>& data,
const std::string& config) const
{
IMPLEMENT_VISIT(SourceKindXaml);
}
const std::string& cmGeneratorTarget::GetLocation(
const std::string& config) const
{
static std::string location;
if (this->IsImported()) {
location = this->Target->ImportedGetFullPath(
config, cmStateEnums::RuntimeBinaryArtifact);
} else {
location = this->GetFullPath(config, cmStateEnums::RuntimeBinaryArtifact);
}
return location;
}
std::vector<cmCustomCommand> const& cmGeneratorTarget::GetPreBuildCommands()
const
{
return this->Target->GetPreBuildCommands();
}
std::vector<cmCustomCommand> const& cmGeneratorTarget::GetPreLinkCommands()
const
{
return this->Target->GetPreLinkCommands();
}
std::vector<cmCustomCommand> const& cmGeneratorTarget::GetPostBuildCommands()
const
{
return this->Target->GetPostBuildCommands();
}
bool cmGeneratorTarget::IsImported() const
{
return this->Target->IsImported();
}
bool cmGeneratorTarget::IsImportedGloballyVisible() const
{
return this->Target->IsImportedGloballyVisible();
}
const std::string& cmGeneratorTarget::GetLocationForBuild() const
{
static std::string location;
if (this->IsImported()) {
location = this->Target->ImportedGetFullPath(
"", cmStateEnums::RuntimeBinaryArtifact);
return location;
}
// Now handle the deprecated build-time configuration location.
location = this->GetDirectory();
const char* cfgid = this->Makefile->GetDefinition("CMAKE_CFG_INTDIR");
if (cfgid && strcmp(cfgid, ".") != 0) {
location += "/";
location += cfgid;
}
if (this->IsAppBundleOnApple()) {
std::string macdir = this->BuildBundleDirectory("", "", FullLevel);
if (!macdir.empty()) {
location += "/";
location += macdir;
}
}
location += "/";
location += this->GetFullName("", cmStateEnums::RuntimeBinaryArtifact);
return location;
}
bool cmGeneratorTarget::IsSystemIncludeDirectory(
const std::string& dir, const std::string& config,
const std::string& language) const
{
assert(this->GetType() != cmStateEnums::INTERFACE_LIBRARY);
std::string config_upper;
if (!config.empty()) {
config_upper = cmSystemTools::UpperCase(config);
}
using IncludeCacheType = std::map<std::string, std::vector<std::string>>;
auto iter = this->SystemIncludesCache.find(config_upper);
if (iter == this->SystemIncludesCache.end()) {
cmGeneratorExpressionDAGChecker dagChecker(
this, "SYSTEM_INCLUDE_DIRECTORIES", nullptr, nullptr);
bool excludeImported = this->GetPropertyAsBool("NO_SYSTEM_FROM_IMPORTED");
std::vector<std::string> result;
for (std::string const& it : this->Target->GetSystemIncludeDirectories()) {
cmExpandList(cmGeneratorExpression::Evaluate(it, this->LocalGenerator,
config, this, &dagChecker,
nullptr, language),
result);
}
std::vector<cmGeneratorTarget const*> const& deps =
this->GetLinkImplementationClosure(config);
for (cmGeneratorTarget const* dep : deps) {
handleSystemIncludesDep(this->LocalGenerator, dep, config, this,
&dagChecker, result, excludeImported, language);
}
std::for_each(result.begin(), result.end(),
cmSystemTools::ConvertToUnixSlashes);
std::sort(result.begin(), result.end());
result.erase(std::unique(result.begin(), result.end()), result.end());
IncludeCacheType::value_type entry(config_upper, result);
iter = this->SystemIncludesCache.insert(entry).first;
}
return std::binary_search(iter->second.begin(), iter->second.end(), dir);
}
bool cmGeneratorTarget::GetPropertyAsBool(const std::string& prop) const
{
return this->Target->GetPropertyAsBool(prop);
}
bool cmGeneratorTarget::MaybeHaveInterfaceProperty(
std::string const& prop, cmGeneratorExpressionContext* context,
bool usage_requirements_only) const
{
std::string const key = prop + '@' + context->Config;
auto i = this->MaybeInterfacePropertyExists.find(key);
if (i == this->MaybeInterfacePropertyExists.end()) {
// Insert an entry now in case there is a cycle.
i = this->MaybeInterfacePropertyExists.emplace(key, false).first;
bool& maybeInterfaceProp = i->second;
// If this target itself has a non-empty property value, we are done.
const char* p = this->GetProperty(prop);
maybeInterfaceProp = p && *p;
// Otherwise, recurse to interface dependencies.
if (!maybeInterfaceProp) {
cmGeneratorTarget const* headTarget =
context->HeadTarget ? context->HeadTarget : this;
if (cmLinkInterfaceLibraries const* iface =
this->GetLinkInterfaceLibraries(context->Config, headTarget,
usage_requirements_only)) {
if (iface->HadHeadSensitiveCondition) {
// With a different head target we may get to a library with
// this interface property.
maybeInterfaceProp = true;
} else {
// The transitive interface libraries do not depend on the
// head target, so we can follow them.
for (cmLinkItem const& lib : iface->Libraries) {
if (lib.Target &&
lib.Target->MaybeHaveInterfaceProperty(
prop, context, usage_requirements_only)) {
maybeInterfaceProp = true;
break;
}
}
}
}
}
}
return i->second;
}
std::string cmGeneratorTarget::EvaluateInterfaceProperty(
std::string const& prop, cmGeneratorExpressionContext* context,
cmGeneratorExpressionDAGChecker* dagCheckerParent,
bool usage_requirements_only) const
{
std::string result;
// If the property does not appear transitively at all, we are done.
if (!this->MaybeHaveInterfaceProperty(prop, context,
usage_requirements_only)) {
return result;
}
// Evaluate $<TARGET_PROPERTY:this,prop> as if it were compiled. This is
// a subset of TargetPropertyNode::Evaluate without stringify/parse steps
// but sufficient for transitive interface properties.
cmGeneratorExpressionDAGChecker dagChecker(context->Backtrace, this, prop,
nullptr, dagCheckerParent);
switch (dagChecker.Check()) {
case cmGeneratorExpressionDAGChecker::SELF_REFERENCE:
dagChecker.ReportError(
context, "$<TARGET_PROPERTY:" + this->GetName() + "," + prop + ">");
return result;
case cmGeneratorExpressionDAGChecker::CYCLIC_REFERENCE:
// No error. We just skip cyclic references.
return result;
case cmGeneratorExpressionDAGChecker::ALREADY_SEEN:
// No error. We have already seen this transitive property.
return result;
case cmGeneratorExpressionDAGChecker::DAG:
break;
}
cmGeneratorTarget const* headTarget =
context->HeadTarget ? context->HeadTarget : this;
if (const char* p = this->GetProperty(prop)) {
result = cmGeneratorExpressionNode::EvaluateDependentExpression(
p, context->LG, context, headTarget, &dagChecker, this);
}
if (cmLinkInterfaceLibraries const* iface = this->GetLinkInterfaceLibraries(
context->Config, headTarget, usage_requirements_only)) {
for (cmLinkItem const& lib : iface->Libraries) {
// Broken code can have a target in its own link interface.
// Don't follow such link interface entries so as not to create a
// self-referencing loop.
if (lib.Target && lib.Target != this) {
// Pretend $<TARGET_PROPERTY:lib.Target,prop> appeared in the
// above property and hand-evaluate it as if it were compiled.
// Create a context as cmCompiledGeneratorExpression::Evaluate does.
cmGeneratorExpressionContext libContext(
context->LG, context->Config, context->Quiet, headTarget, this,
context->EvaluateForBuildsystem, context->Backtrace,
context->Language);
std::string libResult = cmGeneratorExpression::StripEmptyListElements(
lib.Target->EvaluateInterfaceProperty(prop, &libContext, &dagChecker,
usage_requirements_only));
if (!libResult.empty()) {
if (result.empty()) {
result = std::move(libResult);
} else {
result.reserve(result.size() + 1 + libResult.size());
result += ";";
result += libResult;
}
}
context->HadContextSensitiveCondition =
context->HadContextSensitiveCondition ||
libContext.HadContextSensitiveCondition;
context->HadHeadSensitiveCondition =
context->HadHeadSensitiveCondition ||
libContext.HadHeadSensitiveCondition;
}
}
}
return result;
}
namespace {
void AddInterfaceEntries(cmGeneratorTarget const* headTarget,
std::string const& config, std::string const& prop,
std::string const& lang,
cmGeneratorExpressionDAGChecker* dagChecker,
std::vector<EvaluatedTargetPropertyEntry>& entries,
bool usage_requirements_only = true)
{
if (cmLinkImplementationLibraries const* impl =
headTarget->GetLinkImplementationLibraries(config)) {
for (cmLinkImplItem const& lib : impl->Libraries) {
if (lib.Target) {
EvaluatedTargetPropertyEntry ee(lib, lib.Backtrace);
// Pretend $<TARGET_PROPERTY:lib.Target,prop> appeared in our
// caller's property and hand-evaluate it as if it were compiled.
// Create a context as cmCompiledGeneratorExpression::Evaluate does.
cmGeneratorExpressionContext context(
headTarget->GetLocalGenerator(), config, false, headTarget,
headTarget, true, lib.Backtrace, lang);
cmExpandList(lib.Target->EvaluateInterfaceProperty(
prop, &context, dagChecker, usage_requirements_only),
ee.Values);
ee.ContextDependent = context.HadContextSensitiveCondition;
entries.emplace_back(std::move(ee));
}
}
}
}
void AddObjectEntries(cmGeneratorTarget const* headTarget,
std::string const& config,
cmGeneratorExpressionDAGChecker* dagChecker,
std::vector<EvaluatedTargetPropertyEntry>& entries)
{
if (cmLinkImplementationLibraries const* impl =
headTarget->GetLinkImplementationLibraries(config)) {
for (cmLinkImplItem const& lib : impl->Libraries) {
if (lib.Target &&
lib.Target->GetType() == cmStateEnums::OBJECT_LIBRARY) {
std::string uniqueName =
headTarget->GetGlobalGenerator()->IndexGeneratorTargetUniquely(
lib.Target);
std::string genex = "$<TARGET_OBJECTS:" + std::move(uniqueName) + ">";
cmGeneratorExpression ge(lib.Backtrace);
std::unique_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(genex);
cge->SetEvaluateForBuildsystem(true);
EvaluatedTargetPropertyEntry ee(lib, lib.Backtrace);
cmExpandList(cge->Evaluate(headTarget->GetLocalGenerator(), config,
headTarget, dagChecker),
ee.Values);
if (cge->GetHadContextSensitiveCondition()) {
ee.ContextDependent = true;
}
entries.emplace_back(std::move(ee));
}
}
}
}
bool processSources(cmGeneratorTarget const* tgt,
std::vector<EvaluatedTargetPropertyEntry>& entries,
std::vector<BT<std::string>>& srcs,
std::unordered_set<std::string>& uniqueSrcs,
bool debugSources)
{
cmMakefile* mf = tgt->Target->GetMakefile();
bool contextDependent = false;
for (EvaluatedTargetPropertyEntry& entry : entries) {
if (entry.ContextDependent) {
contextDependent = true;
}
cmLinkImplItem const& item = entry.LinkImplItem;
std::string const& targetName = item.AsStr();
for (std::string& src : entry.Values) {
cmSourceFile* sf = mf->GetOrCreateSource(src);
std::string e;
std::string fullPath = sf->ResolveFullPath(&e);
if (fullPath.empty()) {
if (!e.empty()) {
cmake* cm = tgt->GetLocalGenerator()->GetCMakeInstance();
cm->IssueMessage(MessageType::FATAL_ERROR, e, tgt->GetBacktrace());
}
return contextDependent;
}
if (!targetName.empty() && !cmSystemTools::FileIsFullPath(src)) {
std::ostringstream err;
if (!targetName.empty()) {
err << "Target \"" << targetName
<< "\" contains relative path in its INTERFACE_SOURCES:\n \""
<< src << "\"";
} else {
err << "Found relative path while evaluating sources of \""
<< tgt->GetName() << "\":\n \"" << src << "\"\n";
}
tgt->GetLocalGenerator()->IssueMessage(MessageType::FATAL_ERROR,
err.str());
return contextDependent;
}
src = fullPath;
}
std::string usedSources;
for (std::string const& src : entry.Values) {
if (uniqueSrcs.insert(src).second) {
srcs.emplace_back(src, entry.Backtrace);
if (debugSources) {
usedSources += " * " + src + "\n";
}
}
}
if (!usedSources.empty()) {
tgt->GetLocalGenerator()->GetCMakeInstance()->IssueMessage(
MessageType::LOG,
std::string("Used sources for target ") + tgt->GetName() + ":\n" +
usedSources,
entry.Backtrace);
}
}
return contextDependent;
}
}
std::vector<BT<std::string>> cmGeneratorTarget::GetSourceFilePaths(
std::string const& config) const
{
std::vector<BT<std::string>> files;
assert(this->GetType() != cmStateEnums::INTERFACE_LIBRARY);
if (!this->LocalGenerator->GetGlobalGenerator()->GetConfigureDoneCMP0026()) {
// At configure-time, this method can be called as part of getting the
// LOCATION property or to export() a file to be include()d. However
// there is no cmGeneratorTarget at configure-time, so search the SOURCES
// for TARGET_OBJECTS instead for backwards compatibility with OLD
// behavior of CMP0024 and CMP0026 only.
cmStringRange sourceEntries = this->Target->GetSourceEntries();
for (std::string const& entry : sourceEntries) {
std::vector<std::string> items = cmExpandedList(entry);
for (std::string const& item : items) {
if (cmHasLiteralPrefix(item, "$<TARGET_OBJECTS:") &&
item.back() == '>') {
continue;
}
files.emplace_back(item);
}
}
return files;
}
std::vector<std::string> debugProperties;
const char* debugProp =
this->Makefile->GetDefinition("CMAKE_DEBUG_TARGET_PROPERTIES");
if (debugProp) {
cmExpandList(debugProp, debugProperties);
}
bool debugSources =
!this->DebugSourcesDone && cmContains(debugProperties, "SOURCES");
if (this->LocalGenerator->GetGlobalGenerator()->GetConfigureDoneCMP0026()) {
this->DebugSourcesDone = true;
}
cmGeneratorExpressionDAGChecker dagChecker(this, "SOURCES", nullptr,
nullptr);
std::vector<EvaluatedTargetPropertyEntry> entries =
EvaluateTargetPropertyEntries(this, config, std::string(), &dagChecker,
this->SourceEntries);
std::unordered_set<std::string> uniqueSrcs;
bool contextDependentDirectSources =
processSources(this, entries, files, uniqueSrcs, debugSources);
// Collect INTERFACE_SOURCES of all direct link-dependencies.
std::vector<EvaluatedTargetPropertyEntry> linkInterfaceSourcesEntries;
AddInterfaceEntries(this, config, "INTERFACE_SOURCES", std::string(),
&dagChecker, linkInterfaceSourcesEntries);
std::vector<std::string>::size_type numFilesBefore = files.size();
bool contextDependentInterfaceSources = processSources(
this, linkInterfaceSourcesEntries, files, uniqueSrcs, debugSources);
// Collect TARGET_OBJECTS of direct object link-dependencies.
bool contextDependentObjects = false;
std::vector<std::string>::size_type numFilesBefore2 = files.size();
if (this->GetType() != cmStateEnums::OBJECT_LIBRARY) {
std::vector<EvaluatedTargetPropertyEntry> linkObjectsEntries;
AddObjectEntries(this, config, &dagChecker, linkObjectsEntries);
contextDependentObjects = processSources(this, linkObjectsEntries, files,
uniqueSrcs, debugSources);
}
if (!contextDependentDirectSources &&
!(contextDependentInterfaceSources && numFilesBefore < files.size()) &&
!(contextDependentObjects && numFilesBefore2 < files.size())) {
this->LinkImplementationLanguageIsContextDependent = false;
}
return files;
}
void cmGeneratorTarget::GetSourceFiles(std::vector<cmSourceFile*>& files,
const std::string& config) const
{
std::vector<BT<cmSourceFile*>> tmp = this->GetSourceFiles(config);
files.reserve(tmp.size());
for (BT<cmSourceFile*>& v : tmp) {
files.push_back(v.Value);
}
}
std::vector<BT<cmSourceFile*>> cmGeneratorTarget::GetSourceFiles(
std::string const& config) const
{
std::vector<BT<cmSourceFile*>> files;
if (!this->GlobalGenerator->GetConfigureDoneCMP0026()) {
// Since we are still configuring not all sources may exist yet,
// so we need to avoid full source classification because that
// requires the absolute paths to all sources to be determined.
// Since this is only for compatibility with old policies that
// projects should not depend on anymore, just compute the files
// without memoizing them.
std::vector<BT<std::string>> srcs = this->GetSourceFilePaths(config);
std::set<cmSourceFile*> emitted;
for (BT<std::string> const& s : srcs) {
cmSourceFile* sf = this->Makefile->GetOrCreateSource(s.Value);
if (emitted.insert(sf).second) {
files.emplace_back(sf, s.Backtrace);
}
}
return files;
}
KindedSources const& kinded = this->GetKindedSources(config);
files.reserve(kinded.Sources.size());
for (SourceAndKind const& si : kinded.Sources) {
files.push_back(si.Source);
}
return files;
}
void cmGeneratorTarget::GetSourceFilesWithoutObjectLibraries(
std::vector<cmSourceFile*>& files, const std::string& config) const
{
std::vector<BT<cmSourceFile*>> tmp =
this->GetSourceFilesWithoutObjectLibraries(config);
files.reserve(tmp.size());
for (BT<cmSourceFile*>& v : tmp) {
files.push_back(v.Value);
}
}
std::vector<BT<cmSourceFile*>>
cmGeneratorTarget::GetSourceFilesWithoutObjectLibraries(
std::string const& config) const
{
std::vector<BT<cmSourceFile*>> files;
KindedSources const& kinded = this->GetKindedSources(config);
files.reserve(kinded.Sources.size());
for (SourceAndKind const& si : kinded.Sources) {
if (si.Source.Value->GetObjectLibrary().empty()) {
files.push_back(si.Source);
}
}
return files;
}
cmGeneratorTarget::KindedSources const& cmGeneratorTarget::GetKindedSources(
std::string const& config) const
{
// If we already processed one configuration and found no dependenc
// on configuration then always use the one result.
if (!this->LinkImplementationLanguageIsContextDependent) {
return this->KindedSourcesMap.begin()->second;
}
// Lookup any existing link implementation for this configuration.
std::string const key = cmSystemTools::UpperCase(config);
auto it = this->KindedSourcesMap.find(key);
if (it != this->KindedSourcesMap.end()) {
if (!it->second.Initialized) {
std::ostringstream e;
e << "The SOURCES of \"" << this->GetName()
<< "\" use a generator expression that depends on the "
"SOURCES themselves.";
this->GlobalGenerator->GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR, e.str(), this->GetBacktrace());
static KindedSources empty;
return empty;
}
return it->second;
}
// Add an entry to the map for this configuration.
KindedSources& files = this->KindedSourcesMap[key];
this->ComputeKindedSources(files, config);
files.Initialized = true;
return files;
}
void cmGeneratorTarget::ComputeKindedSources(KindedSources& files,
std::string const& config) const
{
// Get the source file paths by string.
std::vector<BT<std::string>> srcs = this->GetSourceFilePaths(config);
cmsys::RegularExpression header_regex(CM_HEADER_REGEX);
std::vector<cmSourceFile*> badObjLib;
std::set<cmSourceFile*> emitted;
for (BT<std::string> const& s : srcs) {
// Create each source at most once.
cmSourceFile* sf = this->Makefile->GetOrCreateSource(s.Value);
if (!emitted.insert(sf).second) {
continue;
}
// Compute the kind (classification) of this source file.
SourceKind kind;
std::string ext = cmSystemTools::LowerCase(sf->GetExtension());
if (sf->GetCustomCommand()) {
kind = SourceKindCustomCommand;
} else if (this->Target->GetType() == cmStateEnums::UTILITY) {
kind = SourceKindExtra;
} else if (this->IsSourceFilePartOfUnityBatch(sf->ResolveFullPath())) {
kind = SourceKindUnityBatched;
} else if (sf->GetPropertyAsBool("HEADER_FILE_ONLY")) {
kind = SourceKindHeader;
} else if (sf->GetPropertyAsBool("EXTERNAL_OBJECT")) {
kind = SourceKindExternalObject;
} else if (!sf->GetOrDetermineLanguage().empty()) {
kind = SourceKindObjectSource;
} else if (ext == "def") {
kind = SourceKindModuleDefinition;
if (this->GetType() == cmStateEnums::OBJECT_LIBRARY) {
badObjLib.push_back(sf);
}
} else if (ext == "idl") {
kind = SourceKindIDL;
if (this->GetType() == cmStateEnums::OBJECT_LIBRARY) {
badObjLib.push_back(sf);
}
} else if (ext == "resx") {
kind = SourceKindResx;
// Build and save the name of the corresponding .h file
// This relationship will be used later when building the project files.
// Both names would have been auto generated from Visual Studio
// where the user supplied the file name and Visual Studio
// appended the suffix.
std::string resx = sf->ResolveFullPath();
std::string hFileName = resx.substr(0, resx.find_last_of('.')) + ".h";
files.ExpectedResxHeaders.insert(hFileName);
} else if (ext == "appxmanifest") {
kind = SourceKindAppManifest;
} else if (ext == "manifest") {
kind = SourceKindManifest;
} else if (ext == "pfx") {
kind = SourceKindCertificate;
} else if (ext == "xaml") {
kind = SourceKindXaml;
// Build and save the name of the corresponding .h and .cpp file
// This relationship will be used later when building the project files.
// Both names would have been auto generated from Visual Studio
// where the user supplied the file name and Visual Studio
// appended the suffix.
std::string xaml = sf->ResolveFullPath();
std::string hFileName = xaml + ".h";
std::string cppFileName = xaml + ".cpp";
files.ExpectedXamlHeaders.insert(hFileName);
files.ExpectedXamlSources.insert(cppFileName);
} else if (header_regex.find(sf->ResolveFullPath())) {
kind = SourceKindHeader;
} else {
kind = SourceKindExtra;
}
// Save this classified source file in the result vector.
files.Sources.push_back({ BT<cmSourceFile*>(sf, s.Backtrace), kind });
}
if (!badObjLib.empty()) {
std::ostringstream e;
e << "OBJECT library \"" << this->GetName() << "\" contains:\n";
for (cmSourceFile* i : badObjLib) {
e << " " << i->GetLocation().GetName() << "\n";
}
e << "but may contain only sources that compile, header files, and "
"other files that would not affect linking of a normal library.";
this->GlobalGenerator->GetCMakeInstance()->IssueMessage(
MessageType::FATAL_ERROR, e.str(), this->GetBacktrace());
}
}
std::vector<cmGeneratorTarget::AllConfigSource> const&
cmGeneratorTarget::GetAllConfigSources() const
{
if (this->AllConfigSources.empty()) {
this->ComputeAllConfigSources();
}
return this->AllConfigSources;
}
void cmGeneratorTarget::ComputeAllConfigSources() const
{
std::vector<std::string> configs;
this->Makefile->GetConfigurations(configs);
std::map<cmSourceFile const*, size_t> index;
for (size_t ci = 0; ci < configs.size(); ++ci) {
KindedSources const& sources = this->GetKindedSources(configs[ci]);
for (SourceAndKind const& src : sources.Sources) {
auto mi = index.find(src.Source.Value);
if (mi == index.end()) {
AllConfigSource acs;
acs.Source = src.Source.Value;
acs.Kind = src.Kind;
this->AllConfigSources.push_back(std::move(acs));
std::map<cmSourceFile const*, size_t>::value_type entry(
src.Source.Value, this->AllConfigSources.size() - 1);
mi = index.insert(entry).first;
}
this->AllConfigSources[mi->second].Configs.push_back(ci);
}
}
}
std::set<std::string> cmGeneratorTarget::GetAllConfigCompileLanguages() const
{
std::set<std::string> languages;
std::vector<AllConfigSource> const& sources = this->GetAllConfigSources();
for (AllConfigSource const& si : sources) {
std::string const& lang = si.Source->GetOrDetermineLanguage();
if (!lang.empty()) {
languages.emplace(lang);
}
}
return languages;
}
std::string cmGeneratorTarget::GetCompilePDBName(
const std::string& config) const
{
std::string prefix;
std::string base;
std::string suffix;
this->GetFullNameInternal(config, cmStateEnums::RuntimeBinaryArtifact,
prefix, base, suffix);
// Check for a per-configuration output directory target property.
std::string configUpper = cmSystemTools::UpperCase(config);
std::string configProp = cmStrCat("COMPILE_PDB_NAME_", configUpper);
const char* config_name = this->GetProperty(configProp);
if (config_name && *config_name) {
return prefix + config_name + ".pdb";
}
const char* name = this->GetProperty("COMPILE_PDB_NAME");
if (name && *name) {
return prefix + name + ".pdb";
}
return "";
}
std::string cmGeneratorTarget::GetCompilePDBPath(
const std::string& config) const
{
std::string dir = this->GetCompilePDBDirectory(config);
std::string name = this->GetCompilePDBName(config);
if (dir.empty() && !name.empty() && this->HaveWellDefinedOutputFiles()) {
dir = this->GetPDBDirectory(config);
}
if (!dir.empty()) {
dir += "/";
}
return dir + name;
}
bool cmGeneratorTarget::HasSOName(const std::string& config) const
{
// soname is supported only for shared libraries and modules,
// and then only when the platform supports an soname flag.
return ((this->GetType() == cmStateEnums::SHARED_LIBRARY) &&
!this->GetPropertyAsBool("NO_SONAME") &&
this->Makefile->GetSONameFlag(this->GetLinkerLanguage(config)));
}
bool cmGeneratorTarget::NeedRelinkBeforeInstall(
const std::string& config) const
{
// Only executables and shared libraries can have an rpath and may
// need relinking.
if (this->GetType() != cmStateEnums::EXECUTABLE &&
this->GetType() != cmStateEnums::SHARED_LIBRARY &&
this->GetType() != cmStateEnums::MODULE_LIBRARY) {
return false;
}
// If there is no install location this target will not be installed
// and therefore does not need relinking.
if (!this->Target->GetHaveInstallRule()) {
return false;
}
// If skipping all rpaths completely then no relinking is needed.
if (this->Makefile->IsOn("CMAKE_SKIP_RPATH")) {
return false;
}
// If building with the install-tree rpath no relinking is needed.
if (this->GetPropertyAsBool("BUILD_WITH_INSTALL_RPATH")) {
return false;
}
// If chrpath is going to be used no relinking is needed.
if (this->IsChrpathUsed(config)) {
return false;
}
// Check for rpath support on this platform.
std::string ll = this->GetLinkerLanguage(config);
if (!ll.empty()) {
std::string flagVar =
cmStrCat("CMAKE_SHARED_LIBRARY_RUNTIME_", ll, "_FLAG");
if (!this->Makefile->IsSet(flagVar)) {
// There is no rpath support on this platform so nothing needs
// relinking.
return false;
}
} else {
// No linker language is known. This error will be reported by
// other code.
return false;
}
// If either a build or install tree rpath is set then the rpath
// will likely change between the build tree and install tree and
// this target must be relinked.
bool have_rpath =
this->HaveBuildTreeRPATH(config) || this->HaveInstallTreeRPATH(config);
bool is_ninja =
this->LocalGenerator->GetGlobalGenerator()->GetName() == "Ninja";
if (have_rpath && is_ninja) {
std::ostringstream w;
/* clang-format off */
w <<
"The install of the " << this->GetName() << " target requires "
"changing an RPATH from the build tree, but this is not supported "
"with the Ninja generator unless on an ELF-based platform. The "
"CMAKE_BUILD_WITH_INSTALL_RPATH variable may be set to avoid this "
"relinking step."
;
/* clang-format on */
cmake* cm = this->LocalGenerator->GetCMakeInstance();
cm->IssueMessage(MessageType::FATAL_ERROR, w.str(), this->GetBacktrace());
}
return have_rpath;
}
bool cmGeneratorTarget::IsChrpathUsed(const std::string& config) const
{
// Only certain target types have an rpath.
if (!(this->GetType() == cmStateEnums::SHARED_LIBRARY ||
this->GetType() == cmStateEnums::MODULE_LIBRARY ||
this->GetType() == cmStateEnums::EXECUTABLE)) {
return false;
}
// If the target will not be installed we do not need to change its
// rpath.
if (!this->Target->GetHaveInstallRule()) {
return false;
}
// Skip chrpath if skipping rpath altogether.
if (this->Makefile->IsOn("CMAKE_SKIP_RPATH")) {
return false;
}
// Skip chrpath if it does not need to be changed at install time.
if (this->GetPropertyAsBool("BUILD_WITH_INSTALL_RPATH")) {
return false;
}
// Allow the user to disable builtin chrpath explicitly.
if (this->Makefile->IsOn("CMAKE_NO_BUILTIN_CHRPATH")) {
return false;
}
if (this->Makefile->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME")) {
return true;
}
#if defined(CMAKE_USE_ELF_PARSER)
// Enable if the rpath flag uses a separator and the target uses ELF
// binaries.
std::string ll = this->GetLinkerLanguage(config);
if (!ll.empty()) {
std::string sepVar =
cmStrCat("CMAKE_SHARED_LIBRARY_RUNTIME_", ll, "_FLAG_SEP");
const char* sep = this->Makefile->GetDefinition(sepVar);
if (sep && *sep) {
// TODO: Add ELF check to ABI detection and get rid of
// CMAKE_EXECUTABLE_FORMAT.
if (const char* fmt =
this->Makefile->GetDefinition("CMAKE_EXECUTABLE_FORMAT")) {
return strcmp(fmt, "ELF") == 0;
}
}
}
#endif
static_cast<void>(config);
return false;
}
bool cmGeneratorTarget::IsImportedSharedLibWithoutSOName(
const std::string& config) const
{
if (this->IsImported() && this->GetType() == cmStateEnums::SHARED_LIBRARY) {
if (cmGeneratorTarget::ImportInfo const* info =
this->GetImportInfo(config)) {
return info->NoSOName;
}
}
return false;
}
bool cmGeneratorTarget::HasMacOSXRpathInstallNameDir(
const std::string& config) const
{
bool install_name_is_rpath = false;
bool macosx_rpath = false;
if (!this->IsImported()) {
if (this->GetType() != cmStateEnums::SHARED_LIBRARY) {
return false;
}
const char* install_name = this->GetProperty("INSTALL_NAME_DIR");
bool use_install_name = this->MacOSXUseInstallNameDir();
if (install_name && use_install_name &&
std::string(install_name) == "@rpath") {
install_name_is_rpath = true;
} else if (install_name && use_install_name) {
return false;
}
if (!install_name_is_rpath) {
macosx_rpath = this->MacOSXRpathInstallNameDirDefault();
}
} else {
// Lookup the imported soname.
if (cmGeneratorTarget::ImportInfo const* info =
this->GetImportInfo(config)) {
if (!info->NoSOName && !info->SOName.empty()) {
if (info->SOName.find("@rpath/") == 0) {
install_name_is_rpath = true;
}
} else {
std::string install_name;
cmSystemTools::GuessLibraryInstallName(info->Location, install_name);
if (install_name.find("@rpath") != std::string::npos) {
install_name_is_rpath = true;
}
}
}
}
if (!install_name_is_rpath && !macosx_rpath) {
return false;
}
if (!this->Makefile->IsSet("CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG")) {
std::ostringstream w;
w << "Attempting to use ";
if (macosx_rpath) {
w << "MACOSX_RPATH";
} else {
w << "@rpath";
}
w << " without CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG being set.";
w << " This could be because you are using a Mac OS X version";
w << " less than 10.5 or because CMake's platform configuration is";
w << " corrupt.";
cmake* cm = this->LocalGenerator->GetCMakeInstance();
cm->IssueMessage(MessageType::FATAL_ERROR, w.str(), this->GetBacktrace());
}
return true;
}
bool cmGeneratorTarget::MacOSXRpathInstallNameDirDefault() const
{
// we can't do rpaths when unsupported
if (!this->Makefile->IsSet("CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG")) {
return false;
}
const char* macosx_rpath_str = this->GetProperty("MACOSX_RPATH");
if (macosx_rpath_str) {
return this->GetPropertyAsBool("MACOSX_RPATH");
}
cmPolicies::PolicyStatus cmp0042 = this->GetPolicyStatusCMP0042();
if (cmp0042 == cmPolicies::WARN) {
this->LocalGenerator->GetGlobalGenerator()->AddCMP0042WarnTarget(
this->GetName());
}
return cmp0042 == cmPolicies::NEW;
}
bool cmGeneratorTarget::MacOSXUseInstallNameDir() const
{
const char* build_with_install_name =
this->GetProperty("BUILD_WITH_INSTALL_NAME_DIR");
if (build_with_install_name) {
return cmIsOn(build_with_install_name);
}
cmPolicies::PolicyStatus cmp0068 = this->GetPolicyStatusCMP0068();
if (cmp0068 == cmPolicies::NEW) {
return false;
}
bool use_install_name = this->GetPropertyAsBool("BUILD_WITH_INSTALL_RPATH");
if (use_install_name && cmp0068 == cmPolicies::WARN) {
this->LocalGenerator->GetGlobalGenerator()->AddCMP0068WarnTarget(
this->GetName());
}
return use_install_name;
}
bool cmGeneratorTarget::CanGenerateInstallNameDir(
InstallNameType name_type) const
{
cmPolicies::PolicyStatus cmp0068 = this->GetPolicyStatusCMP0068();
if (cmp0068 == cmPolicies::NEW) {
return true;
}
bool skip = this->Makefile->IsOn("CMAKE_SKIP_RPATH");
if (name_type == INSTALL_NAME_FOR_INSTALL) {
skip |= this->Makefile->IsOn("CMAKE_SKIP_INSTALL_RPATH");
} else {
skip |= this->GetPropertyAsBool("SKIP_BUILD_RPATH");
}
if (skip && cmp0068 == cmPolicies::WARN) {
this->LocalGenerator->GetGlobalGenerator()->AddCMP0068WarnTarget(
this->GetName());
}
return !skip;
}
std::string cmGeneratorTarget::GetSOName(const std::string& config) const
{
if (this->IsImported()) {
// Lookup the imported soname.
if (cmGeneratorTarget::ImportInfo const* info =
this->GetImportInfo(config)) {
if (info->NoSOName) {
// The imported library has no builtin soname so the name
// searched at runtime will be just the filename.
return cmSystemTools::GetFilenameName(info->Location);
}
// Use the soname given if any.
if (info->SOName.find("@rpath/") == 0) {
return info->SOName.substr(6);
}
return info->SOName;
}
return "";
}
// Compute the soname that will be built.
return this->GetLibraryNames(config).SharedObject;
}
namespace {
bool shouldAddFullLevel(cmGeneratorTarget::BundleDirectoryLevel level)
{
return level == cmGeneratorTarget::FullLevel;
}
bool shouldAddContentLevel(cmGeneratorTarget::BundleDirectoryLevel level)
{
return level == cmGeneratorTarget::ContentLevel || shouldAddFullLevel(level);
}
}
std::string cmGeneratorTarget::GetAppBundleDirectory(
const std::string& config, BundleDirectoryLevel level) const
{
std::string fpath = cmStrCat(
this->GetFullName(config, cmStateEnums::RuntimeBinaryArtifact), '.');
const char* ext = this->GetProperty("BUNDLE_EXTENSION");
if (!ext) {
ext = "app";
}
fpath += ext;
if (shouldAddContentLevel(level) &&
!this->Makefile->PlatformIsAppleEmbedded()) {
fpath += "/Contents";
if (shouldAddFullLevel(level)) {
fpath += "/MacOS";
}
}
return fpath;
}
bool cmGeneratorTarget::IsBundleOnApple() const
{
return this->IsFrameworkOnApple() || this->IsAppBundleOnApple() ||
this->IsCFBundleOnApple();
}
std::string cmGeneratorTarget::GetCFBundleDirectory(
const std::string& config, BundleDirectoryLevel level) const
{
std::string fpath = cmStrCat(
this->GetOutputName(config, cmStateEnums::RuntimeBinaryArtifact), '.');
const char* ext = this->GetProperty("BUNDLE_EXTENSION");
if (!ext) {
if (this->IsXCTestOnApple()) {
ext = "xctest";
} else {
ext = "bundle";
}
}
fpath += ext;
if (shouldAddContentLevel(level) &&
!this->Makefile->PlatformIsAppleEmbedded()) {
fpath += "/Contents";
if (shouldAddFullLevel(level)) {
fpath += "/MacOS";
}
}
return fpath;
}
std::string cmGeneratorTarget::GetFrameworkDirectory(
const std::string& config, BundleDirectoryLevel level) const
{
std::string fpath = cmStrCat(
this->GetOutputName(config, cmStateEnums::RuntimeBinaryArtifact), '.');
const char* ext = this->GetProperty("BUNDLE_EXTENSION");
if (!ext) {
ext = "framework";
}
fpath += ext;
if (shouldAddFullLevel(level) &&
!this->Makefile->PlatformIsAppleEmbedded()) {
fpath += "/Versions/";
fpath += this->GetFrameworkVersion();
}
return fpath;
}
std::string cmGeneratorTarget::GetFullName(
const std::string& config, cmStateEnums::ArtifactType artifact) const
{
if (this->IsImported()) {
return this->GetFullNameImported(config, artifact);
}
return this->GetFullNameInternal(config, artifact);
}
std::string cmGeneratorTarget::GetInstallNameDirForBuildTree(
const std::string& config) const
{
if (this->Makefile->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME")) {
// If building directly for installation then the build tree install_name
// is the same as the install tree.
if (this->MacOSXUseInstallNameDir()) {
std::string installPrefix =
this->Makefile->GetSafeDefinition("CMAKE_INSTALL_PREFIX");
return this->GetInstallNameDirForInstallTree(config, installPrefix);
}
// Use the build tree directory for the target.
if (this->CanGenerateInstallNameDir(INSTALL_NAME_FOR_BUILD)) {
std::string dir;
if (this->MacOSXRpathInstallNameDirDefault()) {
dir = "@rpath";
} else {
dir = this->GetDirectory(config);
}
dir += "/";
return dir;
}
}
return "";
}
std::string cmGeneratorTarget::GetInstallNameDirForInstallTree(
const std::string& config, const std::string& installPrefix) const
{
if (this->Makefile->IsOn("CMAKE_PLATFORM_HAS_INSTALLNAME")) {
std::string dir;
const char* install_name_dir = this->GetProperty("INSTALL_NAME_DIR");
if (this->CanGenerateInstallNameDir(INSTALL_NAME_FOR_INSTALL)) {
if (install_name_dir && *install_name_dir) {
dir = install_name_dir;
cmGeneratorExpression::ReplaceInstallPrefix(dir, installPrefix);
dir =
cmGeneratorExpression::Evaluate(dir, this->LocalGenerator, config);
if (!dir.empty()) {
dir = cmStrCat(dir, '/');
}
}
}
if (!install_name_dir) {
if (this->MacOSXRpathInstallNameDirDefault()) {
dir = "@rpath/";
}
}
return dir;
}
return "";
}
cmListFileBacktrace cmGeneratorTarget::GetBacktrace() const
{
return this->Target->GetBacktrace();
}
const std::set<BT<std::pair<std::string, bool>>>&
cmGeneratorTarget::GetUtilities() const
{
return this->Target->GetUtilities();
}
bool cmGeneratorTarget::HaveWellDefinedOutputFiles() const
{
return this->GetType() == cmStateEnums::STATIC_LIBRARY ||
this->GetType() == cmStateEnums::SHARED_LIBRARY ||
this->GetType() == cmStateEnums::MODULE_LIBRARY ||
this->GetType() == cmStateEnums::OBJECT_LIBRARY ||
this->GetType() == cmStateEnums::EXECUTABLE;
}
const std::string* cmGeneratorTarget::GetExportMacro() const
{
// Define the symbol for targets that export symbols.
if (this->GetType() == cmStateEnums::SHARED_LIBRARY ||
this->GetType() == cmStateEnums::MODULE_LIBRARY ||
this->IsExecutableWithExports()) {
if (const char* custom_export_name = this->GetProperty("DEFINE_SYMBOL")) {
this->ExportMacro = custom_export_name;
} else {
std::string in = cmStrCat(this->GetName(), "_EXPORTS");
this->ExportMacro = cmSystemTools::MakeCidentifier(in);
}
return &this->ExportMacro;
}
return nullptr;
}
class cmTargetCollectLinkLanguages
{
public:
cmTargetCollectLinkLanguages(cmGeneratorTarget const* target,
std::string config,
std::unordered_set<std::string>& languages,
cmGeneratorTarget const* head)
: Config(std::move(config))
, Languages(languages)
, HeadTarget(head)
, Target(target)
{
this->Visited.insert(target);
}
void Visit(cmLinkItem const& item)
{
if (!item.Target) {
if (item.AsStr().find("::") != std::string::npos) {
bool noMessage = false;
MessageType messageType = MessageType::FATAL_ERROR;
std::ostringstream e;
switch (this->Target->GetLocalGenerator()->GetPolicyStatus(
cmPolicies::CMP0028)) {
case cmPolicies::WARN: {
e << cmPolicies::GetPolicyWarning(cmPolicies::CMP0028) << "\n";
messageType = MessageType::AUTHOR_WARNING;
} break;
case cmPolicies::OLD:
noMessage = true;
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
// Issue the fatal message.
break;
}
if (!noMessage) {
e << "Target \"" << this->Target->GetName()
<< "\" links to target \"" << item.AsStr()
<< "\" but the target was not found. Perhaps a find_package() "
"call is missing for an IMPORTED target, or an ALIAS target is "
"missing?";
this->Target->GetLocalGenerator()->GetCMakeInstance()->IssueMessage(
messageType, e.str(), this->Target->GetBacktrace());
}
}
return;
}
if (!this->Visited.insert(item.Target).second) {
return;
}
cmLinkInterface const* iface =
item.Target->GetLinkInterface(this->Config, this->HeadTarget);
if (!iface) {
return;
}
for (std::string const& language : iface->Languages) {
this->Languages.insert(language);
}
for (cmLinkItem const& lib : iface->Libraries) {
this->Visit(lib);
}
}
private:
std::string Config;
std::unordered_set<std::string>& Languages;
cmGeneratorTarget const* HeadTarget;
const cmGeneratorTarget* Target;
std::set<cmGeneratorTarget const*> Visited;
};
cmGeneratorTarget::LinkClosure const* cmGeneratorTarget::GetLinkClosure(
const std::string& config) const
{
std::string key(cmSystemTools::UpperCase(config));
auto i = this->LinkClosureMap.find(key);
if (i == this->LinkClosureMap.end()) {
LinkClosure lc;
this->ComputeLinkClosure(config, lc);
LinkClosureMapType::value_type entry(key, lc);
i = this->LinkClosureMap.insert(entry).first;
}
return &i->second;
}
class cmTargetSelectLinker
{
int Preference;
cmGeneratorTarget const* Target;
cmGlobalGenerator* GG;
std::set<std::string> Preferred;
public:
cmTargetSelectLinker(cmGeneratorTarget const* target)
: Preference(0)
, Target(target)
{
this->GG = this->Target->GetLocalGenerator()->GetGlobalGenerator();
}
void Consider(const char* lang)
{
int preference = this->GG->GetLinkerPreference(lang);
if (preference > this->Preference) {
this->Preference = preference;
this->Preferred.clear();
}
if (preference == this->Preference) {
this->Preferred.insert(lang);
}
}
std::string Choose()
{
if (this->Preferred.empty()) {
return "";
}
if (this->Preferred.size() > 1) {
std::ostringstream e;
e << "Target " << this->Target->GetName()
<< " contains multiple languages with the highest linker preference"
<< " (" << this->Preference << "):\n";
for (std::string const& li : this->Preferred) {
e << " " << li << "\n";
}
e << "Set the LINKER_LANGUAGE property for this target.";
cmake* cm = this->Target->GetLocalGenerator()->GetCMakeInstance();
cm->IssueMessage(MessageType::FATAL_ERROR, e.str(),
this->Target->GetBacktrace());
}
return *this->Preferred.begin();
}
};
void cmGeneratorTarget::ComputeLinkClosure(const std::string& config,
LinkClosure& lc) const
{
// Get languages built in this target.
std::unordered_set<std::string> languages;
cmLinkImplementation const* impl = this->GetLinkImplementation(config);
assert(impl);
for (std::string const& li : impl->Languages) {
languages.insert(li);
}
// Add interface languages from linked targets.
cmTargetCollectLinkLanguages cll(this, config, languages, this);
for (cmLinkImplItem const& lib : impl->Libraries) {
cll.Visit(lib);
}
// Store the transitive closure of languages.
for (std::string const& lang : languages) {
lc.Languages.push_back(lang);
}
// Choose the language whose linker should be used.
if (this->GetProperty("HAS_CXX")) {
lc.LinkerLanguage = "CXX";
} else if (const char* linkerLang = this->GetProperty("LINKER_LANGUAGE")) {
lc.LinkerLanguage = linkerLang;
} else {
// Find the language with the highest preference value.
cmTargetSelectLinker tsl(this);
// First select from the languages compiled directly in this target.
for (std::string const& l : impl->Languages) {
tsl.Consider(l.c_str());
}
// Now consider languages that propagate from linked targets.
for (std::string const& lang : languages) {
std::string propagates =
"CMAKE_" + lang + "_LINKER_PREFERENCE_PROPAGATES";
if (this->Makefile->IsOn(propagates)) {
tsl.Consider(lang.c_str());
}
}
lc.LinkerLanguage = tsl.Choose();
}
}
void cmGeneratorTarget::GetFullNameComponents(
std::string& prefix, std::string& base, std::string& suffix,
const std::string& config, cmStateEnums::ArtifactType artifact) const
{
this->GetFullNameInternal(config, artifact, prefix, base, suffix);
}
std::string cmGeneratorTarget::BuildBundleDirectory(
const std::string& base, const std::string& config,
BundleDirectoryLevel level) const
{
std::string fpath = base;
if (this->IsAppBundleOnApple()) {
fpath += this->GetAppBundleDirectory(config, level);
}
if (this->IsFrameworkOnApple()) {
fpath += this->GetFrameworkDirectory(config, level);
}
if (this->IsCFBundleOnApple()) {
fpath += this->GetCFBundleDirectory(config, level);
}
return fpath;
}
std::string cmGeneratorTarget::GetMacContentDirectory(
const std::string& config, cmStateEnums::ArtifactType artifact) const
{
// Start with the output directory for the target.
std::string fpath = cmStrCat(this->GetDirectory(config, artifact), '/');
BundleDirectoryLevel level = ContentLevel;
if (this->IsFrameworkOnApple()) {
// additional files with a framework go into the version specific
// directory
level = FullLevel;
}
fpath = this->BuildBundleDirectory(fpath, config, level);
return fpath;
}
std::string cmGeneratorTarget::GetEffectiveFolderName() const
{
std::string effectiveFolder;
if (!this->GlobalGenerator->UseFolderProperty()) {
return effectiveFolder;
}
const char* targetFolder = this->GetProperty("FOLDER");
if (targetFolder) {
effectiveFolder += targetFolder;
}
return effectiveFolder;
}
cmGeneratorTarget::CompileInfo const* cmGeneratorTarget::GetCompileInfo(
const std::string& config) const
{
// There is no compile information for imported targets.
if (this->IsImported()) {
return nullptr;
}
if (this->GetType() > cmStateEnums::OBJECT_LIBRARY) {
std::string msg = cmStrCat("cmTarget::GetCompileInfo called for ",
this->GetName(), " which has type ",
cmState::GetTargetTypeName(this->GetType()));
this->LocalGenerator->IssueMessage(MessageType::INTERNAL_ERROR, msg);
return nullptr;
}
// Lookup/compute/cache the compile information for this configuration.
std::string config_upper;
if (!config.empty()) {
config_upper = cmSystemTools::UpperCase(config);
}
auto i = this->CompileInfoMap.find(config_upper);
if (i == this->CompileInfoMap.end()) {
CompileInfo info;
this->ComputePDBOutputDir("COMPILE_PDB", config, info.CompilePdbDir);
CompileInfoMapType::value_type entry(config_upper, info);
i = this->CompileInfoMap.insert(entry).first;
}
return &i->second;
}
cmGeneratorTarget::ModuleDefinitionInfo const*
cmGeneratorTarget::GetModuleDefinitionInfo(std::string const& config) const
{
// A module definition file only makes sense on certain target types.
if (this->GetType() != cmStateEnums::SHARED_LIBRARY &&
this->GetType() != cmStateEnums::MODULE_LIBRARY &&
!this->IsExecutableWithExports()) {
return nullptr;
}
// Lookup/compute/cache the compile information for this configuration.
std::string config_upper;
if (!config.empty()) {
config_upper = cmSystemTools::UpperCase(config);
}
auto i = this->ModuleDefinitionInfoMap.find(config_upper);
if (i == this->ModuleDefinitionInfoMap.end()) {
ModuleDefinitionInfo info;
this->ComputeModuleDefinitionInfo(config, info);
ModuleDefinitionInfoMapType::value_type entry(config_upper, info);
i = this->ModuleDefinitionInfoMap.insert(entry).first;
}
return &i->second;
}
void cmGeneratorTarget::ComputeModuleDefinitionInfo(
std::string const& config, ModuleDefinitionInfo& info) const
{
this->GetModuleDefinitionSources(info.Sources, config);
info.WindowsExportAllSymbols =
this->Makefile->IsOn("CMAKE_SUPPORT_WINDOWS_EXPORT_ALL_SYMBOLS") &&
this->GetPropertyAsBool("WINDOWS_EXPORT_ALL_SYMBOLS");
#if !defined(CMAKE_BOOTSTRAP)
info.DefFileGenerated =
info.WindowsExportAllSymbols || info.Sources.size() > 1;
#else
// Our __create_def helper is not available during CMake bootstrap.
info.DefFileGenerated = false;
#endif
if (info.DefFileGenerated) {
info.DefFile = this->ObjectDirectory /* has slash */ + "exports.def";
} else if (!info.Sources.empty()) {
info.DefFile = info.Sources.front()->GetFullPath();
}
}
bool cmGeneratorTarget::IsDLLPlatform() const
{
return this->Target->IsDLLPlatform();
}
void cmGeneratorTarget::GetAutoUicOptions(std::vector<std::string>& result,