include(TestBigEndian) 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 ${LLVM_BINARY_DIR}) # TODO: Root for `make install'. 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(ARCH "${LLVM_NATIVE_ARCH}") get_system_libs(LLVM_SYSTEM_LIBS_LIST) foreach(l ${LLVM_SYSTEM_LIBS_LIST}) 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@") configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.in.in ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in @ONLY ) set(LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt) set(LIBDEPS_TMP ${CMAKE_CURRENT_BINARY_DIR}/LibDeps.txt.tmp) set(FINAL_LIBDEPS ${CMAKE_CURRENT_BINARY_DIR}/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_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") set(CXX_FLGS "${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") set(CPP_FLGS "${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 # 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 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} DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN} COMMENT "Building llvm-config script." ) add_custom_target(llvm-config.target ALL DEPENDS ${LLVM_CONFIG}) add_dependencies( llvm-config.target ${llvm_libs} ) # Make sure that llvm-config builds before the llvm tools, so we have # LibDeps.txt and can use it for updating the hard-coded library # dependencies on cmake/modules/LLVMLibDeps.cmake when the tools' # build fail due to outdated dependencies: set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} llvm-config.target) install(FILES ${LLVM_CONFIG} PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE DESTINATION bin) # Regeneration of library dependencies. # See the comments at the end of cmake/modules/LLVMConfig.cmake for # notes and guidelines. set(LLVMLibDeps ${LLVM_MAIN_SRC_DIR}/cmake/modules/LLVMLibDeps.cmake) set(LLVMLibDeps_TMP ${CMAKE_CURRENT_BINARY_DIR}/LLVMLibDeps.cmake.tmp) add_custom_command(OUTPUT ${LLVMLibDeps_TMP} COMMAND sed -e s'@\\.a@@g' -e s'@\\.so@@g' -e 's@libLLVM@LLVM@g' -e 's@: @ @' -e 's@\\\(.*\\\)@set\(MSVC_LIB_DEPS_\\1\)@' ${FINAL_LIBDEPS} > ${LLVMLibDeps_TMP} COMMAND ${CMAKE_COMMAND} -E copy_if_different ${LLVMLibDeps_TMP} ${LLVMLibDeps} DEPENDS ${FINAL_LIBDEPS} COMMENT "Updating cmake library dependencies file ${LLVMLibDeps}" ) if( LLVM_TARGETS_TO_BUILD STREQUAL LLVM_ALL_TARGETS ) add_custom_target(llvmlibdeps.target ALL DEPENDS ${LLVMLibDeps_TMP}) add_dependencies(llvmlibdeps.target llvm-config.target) set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} llvmlibdeps.target) endif() set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)