CMakeLists.txt - platform/external/clang - Gitiles

 # If we are not building as a part of LLVM, build Clang as an
 # standalone project, using LLVM as an external library:
 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
   project(Clang)
   cmake_minimum_required(VERSION 2.8)

   set(CLANG_PATH_TO_LLVM_SOURCE "" CACHE PATH
     "Path to LLVM source code. Not necessary if using an installed LLVM.")
   set(CLANG_PATH_TO_LLVM_BUILD "" CACHE PATH
     "Path to the directory where LLVM was built or installed.")

   if( CLANG_PATH_TO_LLVM_SOURCE )
     if( NOT EXISTS "${CLANG_PATH_TO_LLVM_SOURCE}/cmake/config-ix.cmake" )
       message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_SOURCE to the root directory of LLVM source code.")
     else()
       get_filename_component(LLVM_MAIN_SRC_DIR ${CLANG_PATH_TO_LLVM_SOURCE}
 	ABSOLUTE)
       list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
     endif()
   endif()

   if( NOT EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/tblgen${CMAKE_EXECUTABLE_SUFFIX}" )
     message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_BUILD to a directory containing a LLVM build.")
   endif()

   list(APPEND CMAKE_MODULE_PATH "${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake")

   get_filename_component(PATH_TO_LLVM_BUILD ${CLANG_PATH_TO_LLVM_BUILD}
     ABSOLUTE)

   include(AddLLVM)
   include(TableGen)
   include("${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake/LLVM.cmake")
   include(HandleLLVMOptions)

   set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")

   set(LLVM_MAIN_INCLUDE_DIR "${LLVM_MAIN_SRC_DIR}/include")
   set(LLVM_BINARY_DIR ${CMAKE_BINARY_DIR})

   include_directories("${PATH_TO_LLVM_BUILD}/include" "${LLVM_MAIN_INCLUDE_DIR}")
   if( NOT PATH_TO_LLVM_BUILD STREQUAL LLVM_MAIN_SRC_DIR )
     include_directories("${LLVM_MAIN_INCLUDE_DIR}")
   endif()
   link_directories("${PATH_TO_LLVM_BUILD}/lib")

   set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/tblgen")

   set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
   set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib )
   set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib )

   add_definitions( -D__STDC_LIMIT_MACROS )
   add_definitions( -D__STDC_CONSTANT_MACROS )
 endif()

 set(CLANG_RESOURCE_DIR "" CACHE STRING
   "Relative directory from the Clang binary to its resource files.")

 set(C_INCLUDE_DIRS "" CACHE STRING
   "Colon separated list of directories clang will search for headers.")

 set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})

 if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
   message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
 "the makefiles distributed with LLVM. Please create a directory and run cmake "
 "from there, passing the path to this source directory as the last argument. "
 "This process created the file `CMakeCache.txt' and the directory "
 "`CMakeFiles'. Please delete them.")
 endif()

 if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
   file(GLOB_RECURSE
     tablegenned_files_on_include_dir
     "${CLANG_SOURCE_DIR}/include/clang/*.inc")
   if( tablegenned_files_on_include_dir )
     message(FATAL_ERROR "Apparently there is a previous in-source build, "
 "probably as the result of running `configure' and `make' on "
 "${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
 "${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
   endif()
 endif()

 # Compute the Clang version from the LLVM version.
 string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
   ${PACKAGE_VERSION})
 message(STATUS "Clang version: ${CLANG_VERSION}")

 string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
   ${CLANG_VERSION})
 string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
   ${CLANG_VERSION})
 if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
   set(CLANG_HAS_VERSION_PATCHLEVEL 1)
   string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
     ${CLANG_VERSION})
 else()
   set(CLANG_HAS_VERSION_PATCHLEVEL 0)
 endif()

 # Configure the Version.inc file.
 configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
   ${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)

 # Add appropriate flags for GCC
 if (CMAKE_COMPILER_IS_GNUCXX)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -pedantic -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings")
 endif ()

 if (APPLE)
   set(CMAKE_MODULE_LINKER_FLAGS "-Wl,-flat_namespace -Wl,-undefined -Wl,suppress")
 endif ()

 configure_file(
   ${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
   ${CLANG_BINARY_DIR}/include/clang/Config/config.h)

 macro(add_clang_library name)
   llvm_process_sources(srcs ${ARGN})
   if(MSVC_IDE OR XCODE)
     string( REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
     list( GET split_path -1 dir)
     file( GLOB_RECURSE headers
       ../../../include/clang/StaticAnalyzer${dir}/*.h
       ../../../include/clang/StaticAnalyzer${dir}/*.td
       ../../../include/clang/StaticAnalyzer${dir}/*.def
       ../../include/clang${dir}/*.h
       ../../include/clang${dir}/*.td
       ../../include/clang${dir}/*.def)
     set(srcs ${srcs} ${headers})
   endif(MSVC_IDE OR XCODE)
   if (MODULE)
     set(libkind MODULE)
   elseif (SHARED_LIBRARY)
     set(libkind SHARED)
   else()
     set(libkind)
   endif()
   add_library( ${name} ${libkind} ${srcs} )
   if( LLVM_COMMON_DEPENDS )
     add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
   endif( LLVM_COMMON_DEPENDS )
   if( LLVM_USED_LIBS )
     foreach(lib ${LLVM_USED_LIBS})
       target_link_libraries( ${name} ${lib} )
     endforeach(lib)
   endif( LLVM_USED_LIBS )
   if( LLVM_LINK_COMPONENTS )
     llvm_config(${name} ${LLVM_LINK_COMPONENTS})
   endif( LLVM_LINK_COMPONENTS )
   if (LLVM_COMMON_LIBS)
     target_link_libraries(${name} ${LLVM_COMMON_LIBS})
   endif()
   if( NOT MINGW )
     get_system_libs(llvm_system_libs)
     if( llvm_system_libs )
       target_link_libraries(${name} ${llvm_system_libs})
     endif()
   endif()
   add_dependencies(${name} ClangDiagnosticCommon)
   if(MSVC)
     get_target_property(cflag ${name} COMPILE_FLAGS)
     if(NOT cflag)
       set(cflag "")
     endif(NOT cflag)
     set(cflag "${cflag} /Za")
     set_target_properties(${name} PROPERTIES COMPILE_FLAGS ${cflag})
   endif(MSVC)
   install(TARGETS ${name}
     LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
     ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
 endmacro(add_clang_library)

 macro(add_clang_executable name)
   add_llvm_executable( ${name} ${ARGN} )
 endmacro(add_clang_executable)

 include_directories(
   ${CMAKE_CURRENT_SOURCE_DIR}/include
   ${CMAKE_CURRENT_BINARY_DIR}/include
   )

 install(DIRECTORY include/
   DESTINATION include
   FILES_MATCHING
   PATTERN "*.def"
   PATTERN "*.h"
   PATTERN "*.td"
   PATTERN ".svn" EXCLUDE
   )

 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
   DESTINATION include
   FILES_MATCHING
   PATTERN "CMakeFiles" EXCLUDE
   PATTERN "*.inc"
   )

 add_definitions( -D_GNU_SOURCE -DHAVE_CLANG_CONFIG_H )

 option(CLANG_BUILD_EXAMPLES "Build CLANG example programs." OFF)
 if(CLANG_BUILD_EXAMPLES)
   add_subdirectory(examples)
 endif ()

 add_subdirectory(include)
 add_subdirectory(lib)
 add_subdirectory(tools)
 add_subdirectory(runtime)

 # TODO: docs.
 add_subdirectory(test)
	# If we are not building as a part of LLVM, build Clang as an
	# standalone project, using LLVM as an external library:
	if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
	project(Clang)
	cmake_minimum_required(VERSION 2.8)

	set(CLANG_PATH_TO_LLVM_SOURCE "" CACHE PATH
	"Path to LLVM source code. Not necessary if using an installed LLVM.")
	set(CLANG_PATH_TO_LLVM_BUILD "" CACHE PATH
	"Path to the directory where LLVM was built or installed.")

	if( CLANG_PATH_TO_LLVM_SOURCE )
	if( NOT EXISTS "${CLANG_PATH_TO_LLVM_SOURCE}/cmake/config-ix.cmake" )
	message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_SOURCE to the root directory of LLVM source code.")
	else()
	get_filename_component(LLVM_MAIN_SRC_DIR ${CLANG_PATH_TO_LLVM_SOURCE}
	ABSOLUTE)
	list(APPEND CMAKE_MODULE_PATH "${LLVM_MAIN_SRC_DIR}/cmake/modules")
	endif()
	endif()

	if( NOT EXISTS "${CLANG_PATH_TO_LLVM_BUILD}/bin/tblgen${CMAKE_EXECUTABLE_SUFFIX}" )
	message(FATAL_ERROR "Please set CLANG_PATH_TO_LLVM_BUILD to a directory containing a LLVM build.")
	endif()

	list(APPEND CMAKE_MODULE_PATH "${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake")

	get_filename_component(PATH_TO_LLVM_BUILD ${CLANG_PATH_TO_LLVM_BUILD}
	ABSOLUTE)

	include(AddLLVM)
	include(TableGen)
	include("${CLANG_PATH_TO_LLVM_BUILD}/share/llvm/cmake/LLVM.cmake")
	include(HandleLLVMOptions)

	set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")

	set(LLVM_MAIN_INCLUDE_DIR "${LLVM_MAIN_SRC_DIR}/include")
	set(LLVM_BINARY_DIR ${CMAKE_BINARY_DIR})

	include_directories("${PATH_TO_LLVM_BUILD}/include" "${LLVM_MAIN_INCLUDE_DIR}")
	if( NOT PATH_TO_LLVM_BUILD STREQUAL LLVM_MAIN_SRC_DIR )
	include_directories("${LLVM_MAIN_INCLUDE_DIR}")
	endif()
	link_directories("${PATH_TO_LLVM_BUILD}/lib")

	set(LLVM_TABLEGEN_EXE "${PATH_TO_LLVM_BUILD}/bin/tblgen")

	set( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin )
	set( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib )
	set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib )

	add_definitions( -D__STDC_LIMIT_MACROS )
	add_definitions( -D__STDC_CONSTANT_MACROS )
	endif()

	set(CLANG_RESOURCE_DIR "" CACHE STRING
	"Relative directory from the Clang binary to its resource files.")

	set(C_INCLUDE_DIRS "" CACHE STRING
	"Colon separated list of directories clang will search for headers.")

	set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
	set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})

	if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE )
	message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
	"the makefiles distributed with LLVM. Please create a directory and run cmake "
	"from there, passing the path to this source directory as the last argument. "
	"This process created the file `CMakeCache.txt' and the directory "
	"`CMakeFiles'. Please delete them.")
	endif()

	if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
	file(GLOB_RECURSE
	tablegenned_files_on_include_dir
	"${CLANG_SOURCE_DIR}/include/clang/*.inc")
	if( tablegenned_files_on_include_dir )
	message(FATAL_ERROR "Apparently there is a previous in-source build, "
	"probably as the result of running `configure' and `make' on "
	"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n"
	"${tablegenned_files_on_include_dir}\nPlease clean the source directory.")
	endif()
	endif()

	# Compute the Clang version from the LLVM version.
	string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
	${PACKAGE_VERSION})
	message(STATUS "Clang version: ${CLANG_VERSION}")

	string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" CLANG_VERSION_MAJOR
	${CLANG_VERSION})
	string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" CLANG_VERSION_MINOR
	${CLANG_VERSION})
	if (${CLANG_VERSION} MATCHES "[0-9]+\\.[0-9]+\\.[0-9]+")
	set(CLANG_HAS_VERSION_PATCHLEVEL 1)
	string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" CLANG_VERSION_PATCHLEVEL
	${CLANG_VERSION})
	else()
	set(CLANG_HAS_VERSION_PATCHLEVEL 0)
	endif()

	# Configure the Version.inc file.
	configure_file(
	${CMAKE_CURRENT_SOURCE_DIR}/include/clang/Basic/Version.inc.in
	${CMAKE_CURRENT_BINARY_DIR}/include/clang/Basic/Version.inc)

	# Add appropriate flags for GCC
	if (CMAKE_COMPILER_IS_GNUCXX)
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wcast-qual -fno-strict-aliasing -pedantic -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings")
	endif ()

	if (APPLE)
	set(CMAKE_MODULE_LINKER_FLAGS "-Wl,-flat_namespace -Wl,-undefined -Wl,suppress")
	endif ()

	configure_file(
	${CLANG_SOURCE_DIR}/include/clang/Config/config.h.cmake
	${CLANG_BINARY_DIR}/include/clang/Config/config.h)

	macro(add_clang_library name)
	llvm_process_sources(srcs ${ARGN})
	if(MSVC_IDE OR XCODE)
	string( REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR})
	list( GET split_path -1 dir)
	file( GLOB_RECURSE headers
	../../../include/clang/StaticAnalyzer${dir}/*.h
	../../../include/clang/StaticAnalyzer${dir}/*.td
	../../../include/clang/StaticAnalyzer${dir}/*.def
	../../include/clang${dir}/*.h
	../../include/clang${dir}/*.td
	../../include/clang${dir}/*.def)
	set(srcs ${srcs} ${headers})
	endif(MSVC_IDE OR XCODE)
	if (MODULE)
	set(libkind MODULE)
	elseif (SHARED_LIBRARY)
	set(libkind SHARED)
	else()
	set(libkind)
	endif()
	add_library( ${name} ${libkind} ${srcs} )
	if( LLVM_COMMON_DEPENDS )
	add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
	endif( LLVM_COMMON_DEPENDS )
	if( LLVM_USED_LIBS )
	foreach(lib ${LLVM_USED_LIBS})
	target_link_libraries( ${name} ${lib} )
	endforeach(lib)
	endif( LLVM_USED_LIBS )
	if( LLVM_LINK_COMPONENTS )
	llvm_config(${name} ${LLVM_LINK_COMPONENTS})
	endif( LLVM_LINK_COMPONENTS )
	if (LLVM_COMMON_LIBS)
	target_link_libraries(${name} ${LLVM_COMMON_LIBS})
	endif()
	if( NOT MINGW )
	get_system_libs(llvm_system_libs)
	if( llvm_system_libs )
	target_link_libraries(${name} ${llvm_system_libs})
	endif()
	endif()
	add_dependencies(${name} ClangDiagnosticCommon)
	if(MSVC)
	get_target_property(cflag ${name} COMPILE_FLAGS)
	if(NOT cflag)
	set(cflag "")
	endif(NOT cflag)
	set(cflag "${cflag} /Za")
	set_target_properties(${name} PROPERTIES COMPILE_FLAGS ${cflag})
	endif(MSVC)
	install(TARGETS ${name}
	LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
	ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
	endmacro(add_clang_library)

	macro(add_clang_executable name)
	add_llvm_executable( ${name} ${ARGN} )
	endmacro(add_clang_executable)

	include_directories(
	${CMAKE_CURRENT_SOURCE_DIR}/include
	${CMAKE_CURRENT_BINARY_DIR}/include
	)

	install(DIRECTORY include/
	DESTINATION include
	FILES_MATCHING
	PATTERN "*.def"
	PATTERN "*.h"
	PATTERN "*.td"
	PATTERN ".svn" EXCLUDE
	)

	install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
	DESTINATION include
	FILES_MATCHING
	PATTERN "CMakeFiles" EXCLUDE
	PATTERN "*.inc"
	)

	add_definitions( -D_GNU_SOURCE -DHAVE_CLANG_CONFIG_H )

	option(CLANG_BUILD_EXAMPLES "Build CLANG example programs." OFF)
	if(CLANG_BUILD_EXAMPLES)
	add_subdirectory(examples)
	endif ()

	add_subdirectory(include)
	add_subdirectory(lib)
	add_subdirectory(tools)
	add_subdirectory(runtime)

	# TODO: docs.
	add_subdirectory(test)