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llvm-config: Replace with C++ version (was llvm-config-2).
- Reapply of r144300, with lots of fixes/migration easement in between. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145449 91177308-0d34-0410-b5e6-96231b3b80d8
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,138 +1,41 @@ | ||
| include(TestBigEndian) | ||
| set(LLVM_LINK_COMPONENTS support) | ||
|
|
||
| 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}") | ||
| # 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) | ||
|
|
||
| # Compute the substitution values for various items. | ||
| get_system_libs(LLVM_SYSTEM_LIBS_LIST) | ||
| foreach(l ${LLVM_SYSTEM_LIBS_LIST}) | ||
| set(LLVM_SYSTEM_LIBS ${LLVM_SYSTEM_LIBS} "-l${l}") | ||
| set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${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}} ${LLVM_DEFINITIONS}") | ||
|
|
||
| # We don't want certain flags on the output of | ||
| # llvm-config --cflags --cxxflags | ||
| macro(remove_option_from_llvm_config option) | ||
| llvm_replace_compiler_option(C_FLGS "${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 | ||
| 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}! >> ${SEDSCRIPT_OBJPATH} | ||
| # TODO: Use general flags for linking! not just for shared libs: | ||
| COMMAND echo s!@LLVM_LDFLAGS@!${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 ${LLVM_CONFIG} | ||
| COMMAND echo s!@LLVM_LDFLAGS@!${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} | ||
| VERBATIM | ||
| DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN} | ||
| COMMENT "Building llvm-config script." | ||
| COMMENT "Building BuildVariables.inc include." | ||
| ) | ||
|
|
||
| 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 llvm-config tool. | ||
| add_llvm_tool(llvm-config | ||
| llvm-config.cpp | ||
| ) | ||
|
|
||
| install(FILES ${LLVM_CONFIG} | ||
| PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE | ||
| WORLD_READ WORLD_EXECUTE | ||
| DESTINATION bin) | ||
| # Add the dependency on the generation step. | ||
| add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH}) |
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