diff options
Diffstat (limited to 'tools/llvm-config/CMakeLists.txt')
| -rw-r--r-- | tools/llvm-config/CMakeLists.txt | 151 |
1 files changed, 124 insertions, 27 deletions
diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt index ed26ba95553..53f00846b79 100644 --- a/tools/llvm-config/CMakeLists.txt +++ b/tools/llvm-config/CMakeLists.txt @@ -1,41 +1,138 @@ -set(LLVM_LINK_COMPONENTS support) +include(TestBigEndian) -# We need to generate the BuildVariables.inc file containing values which are -# only defined when under certain build modes. Unfortunately, that precludes -# doing this inside CMake so we have to shell out to sed. For now, that means we -# can't expect to build llvm-config on Window.s -set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in) -set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc) -set(SEDSCRIPT_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.configure.sed) +include(FindPerl) +if( NOT PERL_FOUND ) + message(FATAL_ERROR "Perl required but not found!") +endif( NOT PERL_FOUND ) + +set(PERL ${PERL_EXECUTABLE}) +set(VERSION PACKAGE_VERSION) +set(PREFIX ${CMAKE_INSTALL_PREFIX}) +set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR}) +set(abs_top_builddir ${LLVM_BINARY_DIR}) +execute_process(COMMAND date + OUTPUT_VARIABLE LLVM_CONFIGTIME + OUTPUT_STRIP_TRAILING_WHITESPACE) +# LLVM_ON_UNIX and LLVM_ON_WIN32 already set. +# those are set to blank by `autoconf' on MinGW, so it seems they are not required: +#set(LLVMGCCDIR "") +#set(LLVMGCC "") +#set(LLVMGXX "") +test_big_endian(IS_BIG_ENDIAN) +if( IS_BIG_ENDIAN ) + set(ENDIAN "big") +else( IS_BIG_ENDIAN ) + set(ENDIAN "little") +endif( IS_BIG_ENDIAN ) +set(SHLIBEXT ${LTDL_SHLIB_EXT}) +#EXEEXT already set. +set(OS "${CMAKE_SYSTEM}") +set(target "${TARGET_TRIPLE}") +set(ARCH "${LLVM_NATIVE_ARCH}") -# Compute the substitution values for various items. get_system_libs(LLVM_SYSTEM_LIBS_LIST) foreach(l ${LLVM_SYSTEM_LIBS_LIST}) - set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}") + set(LLVM_SYSTEM_LIBS ${LLVM_SYSTEM_LIBS} "-l${l}") endforeach() + +foreach(c ${LLVM_TARGETS_TO_BUILD}) + set(TARGETS_BUILT "${TARGETS_BUILT} ${c}") +endforeach(c) +set(TARGETS_TO_BUILD ${TARGETS_BUILT}) +set(TARGET_HAS_JIT "1") # TODO + +# Avoids replacement at config-time: +set(LLVM_CPPFLAGS "@LLVM_CPPFLAGS@") +set(LLVM_CFLAGS "@LLVM_CFLAGS@") +set(LLVM_CXXFLAGS "@LLVM_CXXFLAGS@") +set(LLVM_LDFLAGS "@LLVM_LDFLAGS@") +set(LIBS "@LIBS@") +set(LLVM_BUILDMODE "@LLVM_BUILDMODE@") +set(LLVM_OBJ_SUFFIX "@LLVM_OBJ_SUFFIX@") + +configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.in.in + ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in + @ONLY +) + +set(LIBDEPS LibDeps.txt) +set(LIBDEPS_TMP LibDeps.txt.tmp) +set(FINAL_LIBDEPS FinalLibDeps.txt) +set(LLVM_CONFIG ${LLVM_TOOLS_BINARY_DIR}/llvm-config) +set(LLVM_CONFIG_IN ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in) + +if( CMAKE_CROSSCOMPILING ) + set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) +endif() + +find_program(NM_PATH nm PATH_SUFFIXES /bin) + +if( NOT NM_PATH ) + message(FATAL_ERROR "`nm' not found") +endif() + +get_property(llvm_libs GLOBAL PROPERTY LLVM_LIBS) + +add_custom_command(OUTPUT ${LIBDEPS_TMP} + COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/${CMAKE_CFG_INTDIR} ${NM_PATH} > ${LIBDEPS_TMP} + DEPENDS ${llvm_libs} + COMMENT "Regenerating ${LIBDEPS_TMP}") + +add_custom_command(OUTPUT ${LIBDEPS} + COMMAND ${CMAKE_COMMAND} -E copy_if_different ${LIBDEPS_TMP} ${LIBDEPS} + DEPENDS ${LIBDEPS_TMP} + COMMENT "Updating ${LIBDEPS} if necessary...") + +# This must stop the build if find-cycles.pl returns error: +add_custom_command(OUTPUT ${FINAL_LIBDEPS} + COMMAND ${CMAKE_COMMAND} -E remove -f ${FINAL_LIBDEPS} ${FINAL_LIBDEPS}.tmp + COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS}.tmp + COMMAND ${CMAKE_COMMAND} -E copy ${FINAL_LIBDEPS}.tmp ${FINAL_LIBDEPS} + DEPENDS ${LIBDEPS} + COMMENT "Checking for cyclic dependencies between LLVM libraries.") + set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") -add_custom_command(OUTPUT ${BUILDVARIABLES_OBJPATH} - COMMAND echo s!@LLVM_SRC_ROOT@!${LLVM_MAIN_SRC_DIR}! > ${SEDSCRIPT_OBJPATH} - COMMAND echo s!@LLVM_OBJ_ROOT@!${LLVM_BINARY_DIR}! >> ${SEDSCRIPT_OBJPATH} - COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! >> ${SEDSCRIPT_OBJPATH} - COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> ${SEDSCRIPT_OBJPATH} - COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> ${SEDSCRIPT_OBJPATH} +# We don't want certain flags on the output of +# llvm-config --cflags --cxxflags +macro(remove_option_from_llvm_config option) + llvm_replace_compiler_option(C_FLGS "${option}" "") + llvm_replace_compiler_option(CXX_FLGS "${option}" "") + llvm_replace_compiler_option(CPP_FLGS "${option}" "") +endmacro(remove_option_from_llvm_config) +remove_option_from_llvm_config("-pedantic") +remove_option_from_llvm_config("-Wall") +remove_option_from_llvm_config("-W") + +add_custom_command(OUTPUT ${LLVM_CONFIG} + COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! > temp.sed + COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> temp.sed + COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> temp.sed # TODO: Use general flags for linking! not just for shared libs: - COMMAND echo s!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}! >> ${SEDSCRIPT_OBJPATH} - COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> ${SEDSCRIPT_OBJPATH} - COMMAND echo s!@LLVM_SYSTEM_LIBS@!${SYSTEM_LIBS}! >> ${SEDSCRIPT_OBJPATH} - COMMAND sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH} + COMMAND echo s!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}! >> temp.sed + COMMAND echo s!@LIBS@!${LLVM_SYSTEM_LIBS}! >> temp.sed + COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> temp.sed + COMMAND echo s!@LLVM_OBJ_SUFFIX@!! >> temp.sed + COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG} + COMMAND ${CMAKE_COMMAND} -E remove -f temp.sed + COMMAND cat ${FINAL_LIBDEPS} >> ${LLVM_CONFIG} + COMMAND chmod +x ${LLVM_CONFIG} VERBATIM - COMMENT "Building BuildVariables.inc include." + DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN} + COMMENT "Building llvm-config script." ) -# Add the llvm-config tool. -add_llvm_tool(llvm-config - llvm-config.cpp - ) +add_custom_target(llvm-config.target ALL + DEPENDS ${LLVM_CONFIG}) + +# Ensure we build llvm-config after we build all of the libraries so that we +# have their full dependencies. +add_dependencies(llvm-config.target ${llvm_libs}) -# Add the dependency on the generation step. -add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH}) +install(FILES ${LLVM_CONFIG} + PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE + WORLD_READ WORLD_EXECUTE + DESTINATION bin) |