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(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)
-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")
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 ${LLVM_TARGET_TRIPLET})
-set(TARGETS_TO_BUILD "X86") # TODO
+set(target "${TARGET_TRIPLE}")
+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_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
@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(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)
-# set(LIBDEPS LibDeps.txt)
-# set(LIBDEPS_TMP LibDeps.txt.tmp)
-# set(FINAL_LIBDEPS FinalLibDeps.txt)
+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} > ${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 cmp -s ${LIBDEPS_TMP} ${LIBDEPS} || \( cp ${LIBDEPS_TMP} ${LIBDEPS} && echo "Updated ${LIBDEPS} because dependencies changed" \)
- DEPENDS ${LIBDEPS_TMP})
+ 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 ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/find-cycles.pl < ${LIBDEPS} > ${FINAL_LIBDEPS} || rm -f ${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 ${LLVM_CONFIG}
- COMMAND echo 's,@LLVM_CPPFLAGS@,${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 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 echo s!@LLVM_OBJ_SUFFIX@!! >> temp.sed
COMMAND sed -f temp.sed < ${LLVM_CONFIG_IN} > ${LLVM_CONFIG}
- COMMAND rm temp.sed
+ COMMAND ${CMAKE_COMMAND} -E remove -f 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}
+ VERBATIM
DEPENDS ${FINAL_LIBDEPS} ${LLVM_CONFIG_IN}
COMMENT "Building llvm-config script."
)
add_custom_target(llvm-config.target ALL
- DEPENDS ${LLVM_CONFIG})
\ No newline at end of file
+ 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})
+
+install(FILES ${LLVM_CONFIG}
+ PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
+ WORLD_READ WORLD_EXECUTE
+ DESTINATION bin)