-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})
projects / oota-llvm.git / blobdiff