-include(TestBigEndian)
+set(LLVM_LINK_COMPONENTS support)
-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'.
-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}")
-
-include(GetTargetTriple)
-get_target_triple(target)
-
-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 ${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)
-
-if( CMAKE_CROSSCOMPILING )
- set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
-endif()
-
-if( NOT NM_PATH )
- message(FATAL_ERROR "`nm' was not found")
-endif()
-
-add_custom_command(OUTPUT ${LIBDEPS_TMP}
- COMMAND ${PERL_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/GenLibDeps.pl -flat ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} ${NM_PATH} > ${LIBDEPS_TMP}
- 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 the llvm-config tool.
+add_llvm_tool(llvm-config
+ llvm-config.cpp
)
-add_custom_target(llvm-config.target ALL
- DEPENDS ${LLVM_CONFIG})
-
-add_dependencies(llvm-config.target ${llvm_lib_targets})
-
-install(FILES ${LLVM_CONFIG}
- PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
- WORLD_READ WORLD_EXECUTE
- DESTINATION bin)
+# 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(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
+endforeach()
+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} ${LLVM_DEFINITIONS}")
+# Use the C++ link flags, since they should be a superset of C link flags.
+set(LLVM_LDFLAGS "${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