-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(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
+set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
-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(target "${TARGET_TRIPLE}")
-set(ARCH "${LLVM_NATIVE_ARCH}")
+# Add the llvm-config tool.
+add_llvm_tool(llvm-config
+ llvm-config.cpp
+ )
-get_system_libs(LLVM_SYSTEM_LIBS_LIST)
+# Compute the substitution values for various items.
+get_property(LLVM_SYSTEM_LIBS_LIST TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS)
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@")
-
-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_${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}
- VERBATIM
- 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 ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
+string(REPLACE ";" " " SYSTEM_LIBS "${SYSTEM_LIBS}")
+
+# Fetch target specific compile options, e.g. RTTI option
+get_property(COMPILE_FLAGS TARGET llvm-config PROPERTY COMPILE_FLAGS)
+
+# Use configure_file to create BuildVariables.inc.
+set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
+set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
+set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
+set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${COMPILE_FLAGS} ${LLVM_DEFINITIONS}")
+set(LLVM_BUILD_SYSTEM cmake)
+set(LLVM_HAS_RTTI ${LLVM_CONFIG_HAS_RTTI})
+
+# Use the C++ link flags, since they should be a superset of C link flags.
+set(LLVM_LDFLAGS "${CMAKE_CXX_LINK_FLAGS}")
+set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
+set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
+string(REPLACE ";" " " LLVM_TARGETS_BUILT "${LLVM_TARGETS_TO_BUILD}")
+configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
+
+# Set build-time environment(s).
+add_definitions(-DCMAKE_CFG_INTDIR="${CMAKE_CFG_INTDIR}")
+
+# Add the dependency on the generation step.
+add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
+
+if(CMAKE_CROSSCOMPILING)
+ set(${project}_LLVM_CONFIG_EXE "${LLVM_NATIVE_BUILD}/bin/llvm-config")
+ set(${project}_LLVM_CONFIG_EXE ${${project}_LLVM_CONFIG_EXE} PARENT_SCOPE)
+
+ add_custom_command(OUTPUT "${${project}_LLVM_CONFIG_EXE}"
+ COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
+ DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
+ WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
+ COMMENT "Building native llvm-config...")
+ add_custom_target(${project}NativeLLVMConfig DEPENDS ${${project}_LLVM_CONFIG_EXE})
+ add_dependencies(${project}NativeLLVMConfig CONFIGURE_LLVM_NATIVE)
+
+ add_dependencies(llvm-config ${project}NativeLLVMConfig)
+endif(CMAKE_CROSSCOMPILING)
projects / oota-llvm.git / blobdiff