include(TestBigEndian) 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'. execute_process(COMMAND date OUTPUT_VARIABLE LLVM_CONFIGTIME OUTPUT_STRIP_TRAILING_WHITESPACE) set(abs_top_srcdir ${LLVM_MAIN_SRC_DIR}) set(abs_top_builddir ${LLVM_BINARY_DIR}) # 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 "") #set(LLVMGCC_VERSION "") #set(LLVMGCC_MAJVERS "") 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 "X86") # TODO: This gives "i686" in Linux: "${CMAKE_SYSTEM_PROCESSOR}") # TODO: avoid using autoconf: set(config_guess ${LLVM_MAIN_SRC_DIR}/autoconf/config.guess) execute_process(COMMAND sh ${config_guess} RESULT_VARIABLE TT_RV OUTPUT_VARIABLE LLVM_TARGET_TRIPLET OUTPUT_STRIP_TRAILING_WHITESPACE) message(STATUS "Target triplet: ${LLVM_TARGET_TRIPLET}") if( NOT TT_RV EQUAL 0 ) message(FATAL_ERROR "Failed to execute ${config_guess}") endif( NOT TT_RV EQUAL 0 ) set(target ${LLVM_TARGET_TRIPLET}) set(TARGETS_TO_BUILD "X86") # TODO 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 ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/llvm-config) set(LLVM_CONFIG_IN ${CMAKE_CURRENT_BINARY_DIR}/llvm-config.in) # set(LIBDEPS LibDeps.txt) # set(LIBDEPS_TMP LibDeps.txt.tmp) # set(FINAL_LIBDEPS FinalLibDeps.txt) add_custom_command(OUTPUT ${LIBDEPS_TMP} COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} > ${LIBDEPS_TMP} DEPENDS ${llvm_libs} COMMENT "Regenerating ${LIBDEPS_TMP}") add_custom_command(OUTPUT ${LIBDEPS} COMMAND cmp -s ${LIBDEPS_TMP} ${LIBDEPS} || \( cp ${LIBDEPS_TMP} ${LIBDEPS} && echo "Updated ${LIBDEPS} because dependencies changed" \) DEPENDS ${LIBDEPS_TMP}) add_custom_command(OUTPUT ${FINAL_LIBDEPS} COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS} || rm -f ${FINAL_LIBDEPS} DEPENDS ${LIBDEPS} COMMENT "Checking for cyclic dependencies between LLVM libraries.") add_custom_command(OUTPUT ${LLVM_CONFIG} COMMAND echo 's,@LLVM_CPPFLAGS@,${CMAKE_CPP_FLAGS},' > temp.sed COMMAND echo 's,@LLVM_CFLAGS@,${CMAKE_C_FLAGS},' >> temp.sed COMMAND echo 's,@LLVM_CXXFLAGS@,${CMAKE_CXX_FLAGS},' >> temp.sed # TODO: Use general flags for linking, not just for shared libs: COMMAND echo 's,@LLVM_LDFLAGS@,${CMAKE_SHARED_LINKER_FLAGS},' >> temp.sed COMMAND echo 's,@LIBS@,,' >> temp.sed # TODO: System libs COMMAND echo 's,@LLVM_BUILDMODE@,${CMAKE_BUILD_TYPE},' >> temp.sed COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG} COMMAND rm temp.sed COMMAND cat ${FINAL_LIBDEPS} >> ${LLVM_CONFIG} COMMAND chmod +x ${LLVM_CONFIG} COMMAND cd ${LLVM_BINARY_DIR} && ${CMAKE_COMMAND} -U HAVE_LLVM_CONFIG ${LLVM_MAIN_SRC_DIR} DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN} COMMENT "Building llvm-config script." ) add_custom_target(llvm-config.target ALL DEPENDS ${LLVM_CONFIG})