llvm-6502/cmake/modules/AddLLVM.cmake
Nico Weber 00e9cfeaf7 Add a FIXME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198528 91177308-0d34-0410-b5e6-96231b3b80d8
2014-01-05 00:37:45 +00:00

512 lines
19 KiB
CMake

include(LLVMParseArguments)
include(LLVMProcessSources)
include(LLVM-Config)
function(add_llvm_symbol_exports target_name export_file)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(native_export_file "${target_name}.exports")
add_custom_command(OUTPUT ${native_export_file}
COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
DEPENDS ${export_file}
VERBATIM
COMMENT "Creating export file for ${target_name}")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
# Gold and BFD ld require a version script rather than a plain list.
set(native_export_file "${target_name}.exports")
# FIXME: Don't write the "local:" line on OpenBSD.
add_custom_command(OUTPUT ${native_export_file}
COMMAND echo "{" > ${native_export_file}
COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
COMMAND echo " local: *;" >> ${native_export_file}
COMMAND echo "};" >> ${native_export_file}
DEPENDS ${export_file}
VERBATIM
COMMENT "Creating export file for ${target_name}")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
else()
set(native_export_file "${target_name}.def")
set(CAT "type")
if(CYGWIN)
set(CAT "cat")
endif()
# Using ${export_file} in add_custom_command directly confuses cmd.exe.
file(TO_NATIVE_PATH ${export_file} export_file_backslashes)
add_custom_command(OUTPUT ${native_export_file}
COMMAND ${CMAKE_COMMAND} -E echo "EXPORTS" > ${native_export_file}
COMMAND ${CAT} ${export_file_backslashes} >> ${native_export_file}
DEPENDS ${export_file}
VERBATIM
COMMENT "Creating export file for ${target_name}")
if(CYGWIN OR MINGW)
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
else()
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " /DEF:${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
endif()
endif()
add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
foreach(src ${srcs})
get_filename_component(extension ${src} EXT)
if(extension STREQUAL ".cpp")
set(first_source_file ${src})
break()
endif()
endforeach()
# Force re-linking when the exports file changes. Actually, it
# forces recompilation of the source file. The LINK_DEPENDS target
# property only works for makefile-based generators.
set_property(SOURCE ${first_source_file} APPEND PROPERTY
OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
set_property(DIRECTORY APPEND
PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
add_dependencies(${target_name} ${target_name}_exports)
endfunction(add_llvm_symbol_exports)
function(add_dead_strip target_name)
# FIXME: With MSVS, consider compiling with /Gy and linking with /OPT:REF?
# But MinSizeRel seems to add that automatically, so maybe disable these
# flags instead if LLVM_NO_DEAD_STRIP is set.
if(NOT CYGWIN AND NOT MINGW AND NOT MSVC)
if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
SET(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -ffunction-sections -fdata-sections"
PARENT_SCOPE)
endif()
endif()
if(NOT LLVM_NO_DEAD_STRIP)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-dead_strip")
elseif(NOT WIN32)
set_property(TARGET ${target_name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,--gc-sections")
endif()
endif()
endfunction(add_dead_strip)
# Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
# Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
# or a certain builder, for eaxample, msbuild.exe, would be confused.
function(set_output_directory target bindir libdir)
if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir})
string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir})
set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
endforeach()
else()
set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir})
set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir})
set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${libdir})
endif()
endfunction()
macro(add_llvm_library name)
llvm_process_sources( ALL_FILES ${ARGN} )
add_library( ${name} ${ALL_FILES} )
set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
add_dead_strip( ${name} )
if( LLVM_COMMON_DEPENDS )
add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
endif( LLVM_COMMON_DEPENDS )
if( BUILD_SHARED_LIBS )
llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
if (MSVC)
set_target_properties(${name}
PROPERTIES
IMPORT_SUFFIX ".imp")
endif ()
if (LLVM_EXPORTED_SYMBOL_FILE)
add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
endif()
endif()
# Ensure that the system libraries always comes last on the
# list. Without this, linking the unit tests on MinGW fails.
link_system_libs( ${name} )
if( EXCLUDE_FROM_ALL )
set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
else()
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO")
install(TARGETS ${name}
LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
endif()
endif()
set_target_properties(${name} PROPERTIES FOLDER "Libraries")
# Add the explicit dependency information for this library.
#
# It would be nice to verify that we have the dependencies for this library
# name, but using get_property(... SET) doesn't suffice to determine if a
# property has been set to an empty value.
get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
target_link_libraries(${name} ${lib_deps})
endmacro(add_llvm_library name)
macro(add_llvm_loadable_module name)
if( NOT LLVM_ON_UNIX OR CYGWIN )
message(STATUS "Loadable modules not supported on this platform.
${name} ignored.")
# Add empty "phony" target
add_custom_target(${name})
else()
llvm_process_sources( ALL_FILES ${ARGN} )
if (MODULE)
set(libkind MODULE)
else()
set(libkind SHARED)
endif()
add_library( ${name} ${libkind} ${ALL_FILES} )
set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
set_target_properties( ${name} PROPERTIES PREFIX "" )
add_dead_strip( ${name} )
if (LLVM_EXPORTED_SYMBOL_FILE)
add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
endif(LLVM_EXPORTED_SYMBOL_FILE)
llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
link_system_libs( ${name} )
if (APPLE)
# Darwin-specific linker flags for loadable modules.
set_property(TARGET ${name} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-flat_namespace -Wl,-undefined -Wl,suppress")
endif()
if( EXCLUDE_FROM_ALL )
set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
else()
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(TARGETS ${name}
LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX}
ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
endif()
endif()
endif()
set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
endmacro(add_llvm_loadable_module name)
macro(add_llvm_executable name)
llvm_process_sources( ALL_FILES ${ARGN} )
if( EXCLUDE_FROM_ALL )
add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
else()
add_executable(${name} ${ALL_FILES})
endif()
add_dead_strip( ${name} )
if (LLVM_EXPORTED_SYMBOL_FILE)
add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
endif(LLVM_EXPORTED_SYMBOL_FILE)
set(EXCLUDE_FROM_ALL OFF)
set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
llvm_config( ${name} ${LLVM_LINK_COMPONENTS} )
if( LLVM_COMMON_DEPENDS )
add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
endif( LLVM_COMMON_DEPENDS )
link_system_libs( ${name} )
endmacro(add_llvm_executable name)
set (LLVM_TOOLCHAIN_TOOLS
llvm-ar
llvm-objdump
)
macro(add_llvm_tool name)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR})
if( NOT LLVM_BUILD_TOOLS )
set(EXCLUDE_FROM_ALL ON)
endif()
add_llvm_executable(${name} ${ARGN})
list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
if( LLVM_BUILD_TOOLS )
install(TARGETS ${name} RUNTIME DESTINATION bin)
endif()
endif()
set_target_properties(${name} PROPERTIES FOLDER "Tools")
endmacro(add_llvm_tool name)
macro(add_llvm_example name)
# set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_EXAMPLES_BINARY_DIR})
if( NOT LLVM_BUILD_EXAMPLES )
set(EXCLUDE_FROM_ALL ON)
endif()
add_llvm_executable(${name} ${ARGN})
if( LLVM_BUILD_EXAMPLES )
install(TARGETS ${name} RUNTIME DESTINATION examples)
endif()
set_target_properties(${name} PROPERTIES FOLDER "Examples")
endmacro(add_llvm_example name)
macro(add_llvm_utility name)
add_llvm_executable(${name} ${ARGN})
set_target_properties(${name} PROPERTIES FOLDER "Utils")
endmacro(add_llvm_utility name)
macro(add_llvm_target target_name)
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_SOURCE_DIR})
add_llvm_library(LLVM${target_name} ${ARGN} ${TABLEGEN_OUTPUT})
set( CURRENT_LLVM_TARGET LLVM${target_name} )
endmacro(add_llvm_target)
# Add external project that may want to be built as part of llvm such as Clang,
# lld, and Polly. This adds two options. One for the source directory of the
# project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
# enable or disable building it with everything else.
# Additional parameter can be specified as the name of directory.
macro(add_llvm_external_project name)
set(add_llvm_external_dir "${ARGN}")
if("${add_llvm_external_dir}" STREQUAL "")
set(add_llvm_external_dir ${name})
endif()
list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}")
string(REPLACE "-" "_" nameUNDERSCORE ${name})
string(TOUPPER ${nameUNDERSCORE} nameUPPER)
set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}"
CACHE PATH "Path to ${name} source directory")
if (NOT ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} STREQUAL ""
AND EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}/CMakeLists.txt)
option(LLVM_EXTERNAL_${nameUPPER}_BUILD
"Whether to build ${name} as part of LLVM" ON)
if (LLVM_EXTERNAL_${nameUPPER}_BUILD)
add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
endif()
endif()
endmacro(add_llvm_external_project)
macro(add_llvm_tool_subdirectory name)
list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}")
add_subdirectory(${name})
endmacro(add_llvm_tool_subdirectory)
macro(ignore_llvm_tool_subdirectory name)
list(APPEND LLVM_IMPLICIT_PROJECT_IGNORE "${CMAKE_CURRENT_SOURCE_DIR}/${name}")
endmacro(ignore_llvm_tool_subdirectory)
function(add_llvm_implicit_external_projects)
set(list_of_implicit_subdirs "")
file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
foreach(dir ${sub-dirs})
if(IS_DIRECTORY "${dir}")
list(FIND LLVM_IMPLICIT_PROJECT_IGNORE "${dir}" tool_subdir_ignore)
if( tool_subdir_ignore EQUAL -1
AND EXISTS "${dir}/CMakeLists.txt")
get_filename_component(fn "${dir}" NAME)
list(APPEND list_of_implicit_subdirs "${fn}")
endif()
endif()
endforeach()
foreach(external_proj ${list_of_implicit_subdirs})
add_llvm_external_project("${external_proj}")
endforeach()
endfunction(add_llvm_implicit_external_projects)
# Generic support for adding a unittest.
function(add_unittest test_suite test_name)
if( NOT LLVM_BUILD_TESTS )
set(EXCLUDE_FROM_ALL ON)
endif()
add_llvm_executable(${test_name} ${ARGN})
set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
set_output_directory(${test_name} ${outdir} ${outdir})
target_link_libraries(${test_name}
gtest
gtest_main
LLVMSupport # gtest needs it for raw_ostream.
)
add_dependencies(${test_suite} ${test_name})
get_target_property(test_suite_folder ${test_suite} FOLDER)
if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
endif ()
# Visual Studio 2012 only supports up to 8 template parameters in
# std::tr1::tuple by default, but gtest requires 10
if (MSVC AND MSVC_VERSION EQUAL 1700)
set_property(TARGET ${test_name} APPEND PROPERTY COMPILE_DEFINITIONS _VARIADIC_MAX=10)
endif ()
include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
set_property(TARGET ${test_name} APPEND PROPERTY COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
if (NOT LLVM_ENABLE_THREADS)
set_property(TARGET ${test_name} APPEND PROPERTY COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
endif ()
get_property(target_compile_flags TARGET ${test_name} PROPERTY COMPILE_FLAGS)
if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
set(target_compile_flags "${target_compile_flags} -fno-rtti")
elseif (MSVC)
llvm_replace_compiler_option(target_compile_flags "/GR" "/GR-")
endif ()
if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
set(target_compile_flags "${target_compile_flags} -Wno-variadic-macros")
endif ()
set_property(TARGET ${test_name} PROPERTY COMPILE_FLAGS "${target_compile_flags}")
endfunction()
# This function provides an automatic way to 'configure'-like generate a file
# based on a set of common and custom variables, specifically targeting the
# variables needed for the 'lit.site.cfg' files. This function bundles the
# common variables that any Lit instance is likely to need, and custom
# variables can be passed in.
function(configure_lit_site_cfg input output)
foreach(c ${LLVM_TARGETS_TO_BUILD})
set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
endforeach(c)
set(TARGETS_TO_BUILD ${TARGETS_BUILT})
set(SHLIBEXT "${LTDL_SHLIB_EXT}")
if(BUILD_SHARED_LIBS)
set(LLVM_SHARED_LIBS_ENABLED "1")
else()
set(LLVM_SHARED_LIBS_ENABLED "0")
endif(BUILD_SHARED_LIBS)
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(SHLIBPATH_VAR "DYLD_LIBRARY_PATH")
else() # Default for all other unix like systems.
# CMake hardcodes the library locaction using rpath.
# Therefore LD_LIBRARY_PATH is not required to run binaries in the
# build dir. We pass it anyways.
set(SHLIBPATH_VAR "LD_LIBRARY_PATH")
endif()
# Configuration-time: See Unit/lit.site.cfg.in
if (CMAKE_CFG_INTDIR STREQUAL ".")
set(LLVM_BUILD_MODE ".")
else ()
set(LLVM_BUILD_MODE "%(build_mode)s")
endif ()
set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
set(ENABLE_SHARED ${LLVM_SHARED_LIBS_ENABLED})
set(SHLIBPATH_VAR ${SHLIBPATH_VAR})
if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
set(ENABLE_ASSERTIONS "1")
else()
set(ENABLE_ASSERTIONS "0")
endif()
set(HOST_OS ${CMAKE_SYSTEM_NAME})
set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
if (CLANG_ENABLE_ARCMT)
set(ENABLE_CLANG_ARCMT "1")
else()
set(ENABLE_CLANG_ARCMT "0")
endif()
if (CLANG_ENABLE_REWRITER)
set(ENABLE_CLANG_REWRITER "1")
else()
set(ENABLE_CLANG_REWRITER "0")
endif()
if (CLANG_ENABLE_STATIC_ANALYZER)
set(ENABLE_CLANG_STATIC_ANALYZER "1")
else()
set(ENABLE_CLANG_STATIC_ANALYZER "0")
endif()
configure_file(${input} ${output} @ONLY)
endfunction()
# A raw function to create a lit target. This is used to implement the testuite
# management functions.
function(add_lit_target target comment)
parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN})
set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
separate_arguments(LIT_ARGS)
if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
endif ()
set(LIT_COMMAND
${PYTHON_EXECUTABLE}
${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py
${LIT_ARGS}
)
foreach(param ${ARG_PARAMS})
list(APPEND LIT_COMMAND --param ${param})
endforeach()
if( ARG_DEPENDS )
add_custom_target(${target}
COMMAND ${LIT_COMMAND} ${ARG_DEFAULT_ARGS}
COMMENT "${comment}"
)
add_dependencies(${target} ${ARG_DEPENDS})
else()
add_custom_target(${target}
COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
message(STATUS "${target} does nothing.")
endif()
# Tests should be excluded from "Build Solution".
set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
endfunction()
# A function to add a set of lit test suites to be driven through 'check-*' targets.
function(add_lit_testsuite target comment)
parse_arguments(ARG "PARAMS;DEPENDS;ARGS" "" ${ARGN})
# EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
if(NOT EXCLUDE_FROM_ALL)
# Register the testsuites, params and depends for the global check rule.
set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_DEFAULT_ARGS})
set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
endif()
# Produce a specific suffixed check rule.
add_lit_target(${target} ${comment}
${ARG_DEFAULT_ARGS}
PARAMS ${ARG_PARAMS}
DEPENDS ${ARG_DEPENDS}
ARGS ${ARG_ARGS}
)
endfunction()