blob: 081bd7d1d893b3cb26bae78c6fc3ab963f3b26a5 [file] [log] [blame]
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
cmake_minimum_required(VERSION 3.13...3.28 FATAL_ERROR)
set(CMAKE_USER_MAKE_RULES_OVERRIDE_C ${CMAKE_CURRENT_SOURCE_DIR}/Source/Modules/OverrideC.cmake)
set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX ${CMAKE_CURRENT_SOURCE_DIR}/Source/Modules/OverrideCXX.cmake)
project(CMake)
unset(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX)
unset(CMAKE_USER_MAKE_RULES_OVERRIDE_C)
# FIXME: This block should go away after a transition period.
if(MSVC AND NOT CMAKE_VERSION VERSION_LESS 3.15)
# Filter out MSVC runtime library flags that may have come from
# the cache of an existing build tree or from scripts.
foreach(l IN ITEMS C CXX)
foreach(c IN ITEMS DEBUG MINSIZEREL RELEASE RELWITHDEBINFO)
string(REGEX REPLACE "[-/]M[DT]d?( |$)" "" "CMAKE_${l}_FLAGS_${c}" "${CMAKE_${l}_FLAGS_${c}}")
endforeach()
endforeach()
endif()
# Make sure we can find internal find_package modules only used for
# building CMake and not for shipping externally
list(INSERT CMAKE_MODULE_PATH 0 ${CMake_SOURCE_DIR}/Source/Modules)
if(CMAKE_BOOTSTRAP)
# Running from bootstrap script. Set local variable and remove from cache.
set(CMAKE_BOOTSTRAP 1)
unset(CMAKE_BOOTSTRAP CACHE)
endif()
if(CMake_TEST_HOST_CMAKE)
get_filename_component(CMake_TEST_EXTERNAL_CMAKE "${CMAKE_COMMAND}" DIRECTORY)
endif()
if(NOT CMake_TEST_EXTERNAL_CMAKE)
if(CMAKE_SYSTEM_NAME STREQUAL "HP-UX")
message(FATAL_ERROR
"CMake no longer compiles on HP-UX. See\n"
" https://gitlab.kitware.com/cmake/cmake/-/issues/17137\n"
"Use CMake 3.9 or lower instead."
)
endif()
set(CMake_BIN_DIR ${CMake_BINARY_DIR}/bin)
endif()
if(CMake_GUI_DISTRIBUTE_WITH_Qt_LGPL)
if(CMake_GUI_DISTRIBUTE_WITH_Qt_LGPL MATCHES "^3|2\\.1$")
set(USE_LGPL "${CMake_GUI_DISTRIBUTE_WITH_Qt_LGPL}")
else()
set(USE_LGPL "2.1")
endif()
else()
set(USE_LGPL "")
endif()
# Use most-recent available language dialects with GNU and Clang
if(NOT DEFINED CMAKE_C_STANDARD AND NOT CMake_NO_C_STANDARD)
include(${CMake_SOURCE_DIR}/Source/Checks/cm_c11_thread_local.cmake)
if(NOT CMake_C11_THREAD_LOCAL_BROKEN)
set(CMAKE_C_STANDARD 11)
else()
set(CMAKE_C_STANDARD 99)
endif()
endif()
if(NOT DEFINED CMAKE_CXX_STANDARD AND NOT CMake_NO_CXX_STANDARD)
if(CMAKE_CXX_COMPILER_ID STREQUAL SunPro AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.14)
set(CMAKE_CXX_STANDARD 98)
else()
include(${CMake_SOURCE_DIR}/Source/Checks/cm_cxx17_check.cmake)
if(NOT CMake_CXX17_BROKEN)
set(CMAKE_CXX_STANDARD 17)
else()
include(${CMake_SOURCE_DIR}/Source/Checks/cm_cxx14_check.cmake)
if(NOT CMake_CXX14_BROKEN)
set(CMAKE_CXX_STANDARD 14)
else()
set(CMAKE_CXX_STANDARD 11)
endif()
endif()
endif()
endif()
if(NOT CMake_TEST_EXTERNAL_CMAKE)
# include special compile flags for some compilers
include(CompileFlags.cmake)
# check for available C++ features
include(${CMake_SOURCE_DIR}/Source/Checks/cm_cxx_features.cmake)
if(NOT CMake_HAVE_CXX_UNIQUE_PTR)
message(FATAL_ERROR "The C++ compiler does not support C++11 (e.g. std::unique_ptr).")
endif()
endif()
# Inform STL library header wrappers whether to use system versions.
configure_file(Utilities/std/cmSTL.hxx.in Utilities/cmSTL.hxx @ONLY)
# set the internal encoding of CMake to UTF-8
set(KWSYS_ENCODING_DEFAULT_CODEPAGE CP_UTF8)
# option to use COMPONENT with install command
option(CMake_INSTALL_COMPONENTS "Using components when installing" OFF)
mark_as_advanced(CMake_INSTALL_COMPONENTS)
macro(CMake_OPTIONAL_COMPONENT NAME)
if(CMake_INSTALL_COMPONENTS)
set(COMPONENT COMPONENT ${NAME})
else()
set(COMPONENT)
endif()
endmacro()
# option to disable installing 3rd-party dependencies
option(CMake_INSTALL_DEPENDENCIES
"Whether to install 3rd-party runtime dependencies" OFF)
mark_as_advanced(CMake_INSTALL_DEPENDENCIES)
# option to build reference for CMake developers
option(CMake_BUILD_DEVELOPER_REFERENCE
"Build CMake Developer Reference" OFF)
mark_as_advanced(CMake_BUILD_DEVELOPER_REFERENCE)
# option to build using interprocedural optimizations (IPO/LTO)
option(CMake_BUILD_LTO "Compile CMake with link-time optimization if supported" OFF)
if(CMake_BUILD_LTO)
include(CheckIPOSupported)
check_ipo_supported(RESULT HAVE_IPO)
if(HAVE_IPO)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
endif()
endif()
option(CMake_BUILD_PCH "Compile CMake with precompiled headers" OFF)
# Check whether to build support for the debugger mode.
if(NOT CMake_TEST_EXTERNAL_CMAKE)
if(NOT DEFINED CMake_ENABLE_DEBUGGER)
# The debugger uses cppdap, which does not compile everywhere.
if(CMAKE_SYSTEM_NAME MATCHES "Windows|Darwin|Linux|BSD|DragonFly|CYGWIN|MSYS"
AND NOT (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.16)
AND NOT (CMAKE_CXX_COMPILER_ID STREQUAL "XLClang" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16.1)
AND NOT (CMAKE_CXX_COMPILER_ID STREQUAL "LCC" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 1.23)
)
set(CMake_ENABLE_DEBUGGER 1)
else()
set(CMake_ENABLE_DEBUGGER 0)
endif()
endif()
else()
set(CMake_ENABLE_DEBUGGER 0)
endif()
#-----------------------------------------------------------------------
# a macro to deal with system libraries, implemented as a macro
# simply to improve readability of the main script
#-----------------------------------------------------------------------
macro(CMAKE_HANDLE_SYSTEM_LIBRARIES)
include(CMakeDependentOption)
# Allow the user to enable/disable all system utility library options by
# defining CMAKE_USE_SYSTEM_LIBRARIES or CMAKE_USE_SYSTEM_LIBRARY_${util}.
set(UTILITIES BZIP2 CPPDAP CURL EXPAT FORM JSONCPP LIBARCHIVE LIBLZMA LIBRHASH LIBUV NGHTTP2 ZLIB ZSTD)
foreach(util IN LISTS UTILITIES)
if(NOT DEFINED CMAKE_USE_SYSTEM_LIBRARY_${util}
AND DEFINED CMAKE_USE_SYSTEM_LIBRARIES)
set(CMAKE_USE_SYSTEM_LIBRARY_${util} "${CMAKE_USE_SYSTEM_LIBRARIES}")
endif()
if(DEFINED CMAKE_USE_SYSTEM_LIBRARY_${util})
if(CMAKE_USE_SYSTEM_LIBRARY_${util})
set(CMAKE_USE_SYSTEM_LIBRARY_${util} ON)
else()
set(CMAKE_USE_SYSTEM_LIBRARY_${util} OFF)
endif()
if(CMAKE_BOOTSTRAP)
unset(CMAKE_USE_SYSTEM_LIBRARY_${util} CACHE)
endif()
string(TOLOWER "${util}" lutil)
set(CMAKE_USE_SYSTEM_${util} "${CMAKE_USE_SYSTEM_LIBRARY_${util}}"
CACHE BOOL "Use system-installed ${lutil}" FORCE)
elseif(util STREQUAL "CURL" AND APPLE)
# macOS provides a curl with backends configured by Apple.
set(CMAKE_USE_SYSTEM_LIBRARY_${util} ON)
else()
set(CMAKE_USE_SYSTEM_LIBRARY_${util} OFF)
endif()
endforeach()
if(CMAKE_BOOTSTRAP)
unset(CMAKE_USE_SYSTEM_LIBRARIES CACHE)
endif()
# Optionally use system utility libraries.
option(CMAKE_USE_SYSTEM_LIBARCHIVE "Use system-installed libarchive" "${CMAKE_USE_SYSTEM_LIBRARY_LIBARCHIVE}")
if(CMake_ENABLE_DEBUGGER)
option(CMAKE_USE_SYSTEM_CPPDAP "Use system-installed cppdap" "${CMAKE_USE_SYSTEM_LIBRARY_CPPDAP}")
endif()
option(CMAKE_USE_SYSTEM_CURL "Use system-installed curl" "${CMAKE_USE_SYSTEM_LIBRARY_CURL}")
option(CMAKE_USE_SYSTEM_EXPAT "Use system-installed expat" "${CMAKE_USE_SYSTEM_LIBRARY_EXPAT}")
CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_ZLIB "Use system-installed zlib"
"${CMAKE_USE_SYSTEM_LIBRARY_ZLIB}" "NOT CMAKE_USE_SYSTEM_LIBARCHIVE;NOT CMAKE_USE_SYSTEM_CURL" ON)
CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_BZIP2 "Use system-installed bzip2"
"${CMAKE_USE_SYSTEM_LIBRARY_BZIP2}" "NOT CMAKE_USE_SYSTEM_LIBARCHIVE" ON)
CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_ZSTD "Use system-installed zstd"
"${CMAKE_USE_SYSTEM_LIBRARY_ZSTD}" "NOT CMAKE_USE_SYSTEM_LIBARCHIVE" ON)
CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_LIBLZMA "Use system-installed liblzma"
"${CMAKE_USE_SYSTEM_LIBRARY_LIBLZMA}" "NOT CMAKE_USE_SYSTEM_LIBARCHIVE" ON)
CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_NGHTTP2 "Use system-installed nghttp2"
"${CMAKE_USE_SYSTEM_LIBRARY_NGHTTP2}" "NOT CMAKE_USE_SYSTEM_CURL" ON)
option(CMAKE_USE_SYSTEM_FORM "Use system-installed libform" "${CMAKE_USE_SYSTEM_LIBRARY_FORM}")
CMAKE_DEPENDENT_OPTION(CMAKE_USE_SYSTEM_JSONCPP "Use system-installed jsoncpp"
"${CMAKE_USE_SYSTEM_LIBRARY_JSONCPP}" "NOT CMAKE_USE_SYSTEM_CPPDAP" ON)
option(CMAKE_USE_SYSTEM_LIBRHASH "Use system-installed librhash" "${CMAKE_USE_SYSTEM_LIBRARY_LIBRHASH}")
option(CMAKE_USE_SYSTEM_LIBUV "Use system-installed libuv" "${CMAKE_USE_SYSTEM_LIBRARY_LIBUV}")
# For now use system KWIML only if explicitly requested rather
# than activating via the general system libs options.
option(CMAKE_USE_SYSTEM_KWIML "Use system-installed KWIML" OFF)
mark_as_advanced(CMAKE_USE_SYSTEM_KWIML)
# Mention to the user what system libraries are being used.
if(CMAKE_USE_SYSTEM_CURL)
# Avoid messaging about curl-only dependencies.
list(REMOVE_ITEM UTILITIES NGHTTP2)
endif()
foreach(util IN LISTS UTILITIES ITEMS KWIML)
if(CMAKE_USE_SYSTEM_${util})
message(STATUS "Using system-installed ${util}")
endif()
endforeach()
# Inform utility library header wrappers whether to use system versions.
configure_file(Utilities/cmThirdParty.h.in Utilities/cmThirdParty.h @ONLY)
endmacro()
#-----------------------------------------------------------------------
# a macro to determine the generator and ctest executable to use
# for testing. Simply to improve readability of the main script.
#-----------------------------------------------------------------------
macro(CMAKE_SETUP_TESTING)
if(BUILD_TESTING)
set(CMAKE_TEST_SYSTEM_LIBRARIES 0)
foreach(util IN ITEMS CURL EXPAT ZLIB)
if(CMAKE_USE_SYSTEM_${util})
set(CMAKE_TEST_SYSTEM_LIBRARIES 1)
endif()
endforeach()
# This variable is set by cmake, however to
# test cmake we want to make sure that
# the ctest from this cmake is used for testing
# and not the ctest from the cmake building and testing
# cmake.
if(CMake_TEST_EXTERNAL_CMAKE)
set(CMAKE_CTEST_COMMAND "${CMake_TEST_EXTERNAL_CMAKE}/ctest")
set(CMAKE_CMAKE_COMMAND "${CMake_TEST_EXTERNAL_CMAKE}/cmake")
set(CMAKE_CPACK_COMMAND "${CMake_TEST_EXTERNAL_CMAKE}/cpack")
foreach(exe IN ITEMS cmake ctest cpack)
add_executable(${exe} IMPORTED)
set_property(TARGET ${exe} PROPERTY IMPORTED_LOCATION ${CMake_TEST_EXTERNAL_CMAKE}/${exe})
endforeach()
else()
set(CMAKE_CTEST_COMMAND "${CMake_BIN_DIR}/ctest")
set(CMAKE_CMAKE_COMMAND "${CMake_BIN_DIR}/cmake")
set(CMAKE_CPACK_COMMAND "${CMake_BIN_DIR}/cpack")
endif()
endif()
# configure some files for testing
configure_file(Templates/CTestScript.cmake.in CTestScript.cmake @ONLY)
configure_file(Tests/.NoDartCoverage Tests/.NoDartCoverage)
configure_file(Tests/.NoDartCoverage Modules/.NoDartCoverage)
configure_file(CTestCustom.cmake.in CTestCustom.cmake @ONLY)
endmacro()
# Provide a way for Visual Studio Express users to turn OFF the new FOLDER
# organization feature. Default to ON for non-Express users. Express users must
# explicitly turn off this option to build CMake in the Express IDE...
#
option(CMAKE_USE_FOLDERS "Enable folder grouping of projects in IDEs." ON)
mark_as_advanced(CMAKE_USE_FOLDERS)
option(CMake_RUN_CLANG_TIDY "Run clang-tidy with the compiler." OFF)
if(CMake_RUN_CLANG_TIDY)
if(CMake_SOURCE_DIR STREQUAL CMake_BINARY_DIR)
message(FATAL_ERROR "CMake_RUN_CLANG_TIDY requires an out-of-source build!")
endif()
find_program(CLANG_TIDY_COMMAND NAMES clang-tidy)
if(NOT CLANG_TIDY_COMMAND)
message(FATAL_ERROR "CMake_RUN_CLANG_TIDY is ON but clang-tidy is not found!")
endif()
set(CMAKE_CXX_CLANG_TIDY "${CLANG_TIDY_COMMAND}")
option(CMake_USE_CLANG_TIDY_MODULE "Use CMake's clang-tidy module." OFF)
if(CMake_USE_CLANG_TIDY_MODULE)
find_library(CMake_CLANG_TIDY_MODULE NAMES cmake-clang-tidy-module DOC "Location of the clang-tidy module")
if(NOT CMake_CLANG_TIDY_MODULE)
message(FATAL_ERROR "CMake_USE_CLANG_TIDY_MODULE is ON but cmake-clang-tidy-module is not found!")
endif()
list(APPEND CMAKE_CXX_CLANG_TIDY "--load=${CMake_CLANG_TIDY_MODULE}")
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${CMake_CLANG_TIDY_MODULE}")
endif()
set(CMake_CLANG_TIDY_EXPORT_FIXES_DIR "" CACHE PATH "Directory to put clang-tidy fix files in.")
mark_as_advanced(CMake_CLANG_TIDY_EXPORT_FIXES_DIR)
if(CMake_CLANG_TIDY_EXPORT_FIXES_DIR)
if(NOT IS_ABSOLUTE "${CMake_CLANG_TIDY_EXPORT_FIXES_DIR}")
message(FATAL_ERROR "CMake_CLANG_TIDY_EXPORT_FIXES_DIR must be an absolute path!")
endif()
set(CMAKE_CXX_CLANG_TIDY_EXPORT_FIXES_DIR "${CMake_CLANG_TIDY_EXPORT_FIXES_DIR}")
endif()
# Create a preprocessor definition that depends on .clang-tidy content so
# the compile command will change when .clang-tidy changes. This ensures
# that a subsequent build re-runs clang-tidy on all sources even if they
# do not otherwise need to be recompiled. Nothing actually uses this
# definition. We add it to targets on which we run clang-tidy just to
# get the build dependency on the .clang-tidy file.
file(SHA1 ${CMAKE_CURRENT_SOURCE_DIR}/.clang-tidy clang_tidy_sha1)
set(CLANG_TIDY_DEFINITIONS "CLANG_TIDY_SHA1=${clang_tidy_sha1}")
unset(clang_tidy_sha1)
if(CMake_USE_CLANG_TIDY_MODULE)
file(SHA1 "${CMake_CLANG_TIDY_MODULE}" clang_tidy_module_sha1)
list(APPEND CLANG_TIDY_DEFINITIONS "CLANG_TIDY_MODULE_SHA1=${clang_tidy_module_sha1}")
unset(clang_tidy_module_sha1)
endif()
endif()
configure_file(.clang-tidy .clang-tidy COPYONLY)
option(CMake_RUN_IWYU "Run include-what-you-use with the compiler." OFF)
if(CMake_RUN_IWYU)
if(CMake_BUILD_PCH)
message(FATAL_ERROR "CMake_RUN_IWYU and CMake_BUILD_PCH are ON, but they are incompatible!")
endif()
find_program(IWYU_COMMAND NAMES include-what-you-use iwyu)
if(NOT IWYU_COMMAND)
message(FATAL_ERROR "CMake_RUN_IWYU is ON but include-what-you-use is not found!")
endif()
set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE
"${IWYU_COMMAND};-Xiwyu;--mapping_file=${CMake_SOURCE_DIR}/Utilities/IWYU/mapping.imp;-w")
option(CMake_IWYU_VERBOSE "Run include-what-you-use in verbose mode" OFF)
if (CMake_IWYU_VERBOSE)
list(APPEND CMAKE_CXX_INCLUDE_WHAT_YOU_USE
-Xiwyu -v7)
endif ()
list(APPEND CMAKE_CXX_INCLUDE_WHAT_YOU_USE ${CMake_IWYU_OPTIONS})
endif()
#-----------------------------------------------------------------------
# a macro that only sets the FOLDER target property if it's
# "appropriate"
#-----------------------------------------------------------------------
macro(CMAKE_SET_TARGET_FOLDER tgt folder)
if(CMAKE_USE_FOLDERS)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
if(MSVC AND TARGET ${tgt})
set_property(TARGET "${tgt}" PROPERTY FOLDER "${folder}")
endif()
else()
set_property(GLOBAL PROPERTY USE_FOLDERS OFF)
endif()
endmacro()
#-----------------------------------------------------------------------
if(NOT CMake_TEST_EXTERNAL_CMAKE)
if(CMAKE_CXX_PLATFORM_ID MATCHES "OpenBSD")
execute_process(COMMAND ${CMAKE_CXX_COMPILER}
${CMAKE_CXX_COMPILER_ARG1} -dumpversion
OUTPUT_VARIABLE _GXX_VERSION
)
string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
_GXX_VERSION_SHORT ${_GXX_VERSION})
if(_GXX_VERSION_SHORT EQUAL 33)
message(FATAL_ERROR
"GXX 3.3 on OpenBSD is known to cause CPack to Crash.\n"
"Please use GXX 4.2 or greater to build CMake on OpenBSD\n"
"${CMAKE_CXX_COMPILER} version is: ${_GXX_VERSION}")
endif()
endif()
endif()
#-----------------------------------------------------------------------
# The main section of the CMakeLists file
#
#-----------------------------------------------------------------------
include(Source/CMakeVersion.cmake)
include(CTest)
# Set up test-time configuration.
set_directory_properties(PROPERTIES
TEST_INCLUDE_FILE "${CMake_BINARY_DIR}/Tests/EnforceConfig.cmake")
if(NOT CMake_TEST_EXTERNAL_CMAKE)
# where to write the resulting executables and libraries
set(BUILD_SHARED_LIBS OFF)
set(EXECUTABLE_OUTPUT_PATH "" CACHE INTERNAL "No configurable exe dir.")
set(LIBRARY_OUTPUT_PATH "" CACHE INTERNAL
"Where to put the libraries for CMake")
# Load install destinations.
include(Source/CMakeInstallDestinations.cmake)
if(BUILD_TESTING)
include(${CMake_SOURCE_DIR}/Tests/CMakeInstall.cmake)
endif()
# Checks for cmSystemTools.
if(WIN32)
set(HAVE_UNSETENV 0)
set(HAVE_ENVIRON_NOT_REQUIRE_PROTOTYPE 1)
else()
include(CheckSymbolExists)
CHECK_SYMBOL_EXISTS(unsetenv "stdlib.h" HAVE_UNSETENV)
CHECK_SYMBOL_EXISTS(environ "stdlib.h" HAVE_ENVIRON_NOT_REQUIRE_PROTOTYPE)
endif()
endif()
# CMAKE_TESTS_CDASH_SERVER: CDash server used by CMake/Tests.
#
# If not defined or "", this variable defaults to the server at
# "http://open.cdash.org".
#
# If set explicitly to "NOTFOUND", curl tests and ctest tests that use
# the network are skipped.
#
# If set to something starting with "http://localhost/", the CDash is
# expected to be an instance of CDash used for CDash testing, pointing
# to a cdash4simpletest database. In these cases, the CDash dashboards
# should be run first.
#
if("x${CMAKE_TESTS_CDASH_SERVER}" STREQUAL "x" AND NOT CMake_TEST_NO_NETWORK)
set(CMAKE_TESTS_CDASH_SERVER "http://open.cdash.org")
endif()
if(CMake_TEST_EXTERNAL_CMAKE)
set(KWIML_TEST_ENABLE 1)
add_subdirectory(Utilities/KWIML)
endif()
if(NOT CMake_TEST_EXTERNAL_CMAKE)
find_package(Threads)
# build the utilities
include(CMakeBuildUtilities)
if(BUILD_QtDialog)
if(APPLE)
set(CMAKE_BUNDLE_VERSION
"${CMake_VERSION_MAJOR}.${CMake_VERSION_MINOR}.${CMake_VERSION_PATCH}")
set(CMAKE_BUNDLE_LOCATION "${CMAKE_INSTALL_PREFIX}")
# make sure CMAKE_INSTALL_PREFIX ends in /
if(NOT CMAKE_INSTALL_PREFIX MATCHES "/$")
string(APPEND CMAKE_INSTALL_PREFIX "/")
endif()
string(APPEND CMAKE_INSTALL_PREFIX "CMake.app/Contents")
endif()
endif()
if(UNIX)
# Install executables with the RPATH set for libraries outside the build tree.
# This is also suitable for binaries in the build tree. Avoid re-link on install.
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH ON CACHE BOOL "Install with RPATH set to find custom-built libraries.")
set(CMAKE_BUILD_WITH_INSTALL_RPATH ON CACHE BOOL "Build with RPATH set to match install-tree RPATH.")
mark_as_advanced(CMAKE_INSTALL_RPATH_USE_LINK_PATH CMAKE_BUILD_WITH_INSTALL_RPATH)
endif()
# add the uninstall support
configure_file(cmake_uninstall.cmake.in cmake_uninstall.cmake @ONLY)
add_custom_target(uninstall
"${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
include(CMakeCPack.cmake)
endif()
# setup some Testing support (a macro defined in this file)
CMAKE_SETUP_TESTING()
if(NOT CMake_TEST_EXTERNAL_CMAKE)
if(NOT CMake_VERSION_IS_RELEASE)
if((CMAKE_C_COMPILER_ID STREQUAL "GNU" AND
NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS 4.2) OR
(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND
NOT "${CMAKE_C_COMPILER_VERSION}" VERSION_LESS 3.0 AND
NOT "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC") OR
CMAKE_C_COMPILER_ID STREQUAL "AppleClang" OR
CMAKE_C_COMPILER_ID STREQUAL "LCC")
set(C_FLAGS_LIST -Wcast-align -Werror-implicit-function-declaration -Wchar-subscripts
-Wall -W -Wpointer-arith -Wwrite-strings -Wformat-security
-Wmissing-format-attribute -fno-common -Wundef
)
set(CXX_FLAGS_LIST -Wnon-virtual-dtor -Wcast-align -Wchar-subscripts -Wall -W
-Wshadow -Wpointer-arith -Wformat-security -Wundef
)
foreach(FLAG_LANG IN ITEMS C CXX)
foreach(FLAG IN LISTS ${FLAG_LANG}_FLAGS_LIST)
if(NOT " ${CMAKE_${FLAG_LANG}_FLAGS} " MATCHES " ${FLAG} ")
string(APPEND CMAKE_${FLAG_LANG}_FLAGS " ${FLAG}")
endif()
endforeach()
endforeach()
unset(C_FLAGS_LIST)
unset(CXX_FLAGS_LIST)
endif()
endif()
# build the remaining subdirectories
add_subdirectory(Source)
add_subdirectory(Utilities)
endif()
add_subdirectory(Tests)
if(NOT CMake_TEST_EXTERNAL_CMAKE)
if(BUILD_TESTING)
CMAKE_SET_TARGET_FOLDER(CMakeLibTests "Tests")
endif()
if(TARGET documentation)
CMAKE_SET_TARGET_FOLDER(documentation "Documentation")
endif()
endif()
if(BUILD_TESTING)
add_test(SystemInformationNew "${CMAKE_CMAKE_COMMAND}"
--system-information -G "${CMAKE_GENERATOR}"
)
endif()
if(NOT CMake_TEST_EXTERNAL_CMAKE)
# Install license file as it requires.
install(FILES Copyright.txt DESTINATION ${CMAKE_DOC_DIR})
# Install script directories.
install(
DIRECTORY Help Modules Templates
DESTINATION ${CMAKE_DATA_DIR}
FILE_PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
DIRECTORY_PERMISSIONS OWNER_READ OWNER_EXECUTE OWNER_WRITE
GROUP_READ GROUP_EXECUTE
WORLD_READ WORLD_EXECUTE
PATTERN "*.sh*" PERMISSIONS OWNER_READ OWNER_EXECUTE OWNER_WRITE
GROUP_READ GROUP_EXECUTE
WORLD_READ WORLD_EXECUTE
REGEX "/(ExportImportList|cpp)$"
PERMISSIONS OWNER_READ OWNER_EXECUTE OWNER_WRITE
GROUP_READ GROUP_EXECUTE
WORLD_READ WORLD_EXECUTE
REGEX "Help/(dev|guide)($|/)" EXCLUDE
)
# Install auxiliary files integrating with other tools.
add_subdirectory(Auxiliary)
# Optionally sign installed binaries.
if(CMake_INSTALL_SIGNTOOL)
configure_file(Source/CMakeInstallSignTool.cmake.in Source/CMakeInstallSignTool.cmake @ONLY)
install(SCRIPT ${CMAKE_CURRENT_BINARY_DIR}/Source/CMakeInstallSignTool.cmake)
endif()
endif()