1 set(LLVM_LINK_COMPONENTS support)
3 set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
4 set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
6 # Add the llvm-config tool.
7 add_llvm_tool(llvm-config
11 # Compute the substitution values for various items.
12 get_property(LLVM_SYSTEM_LIBS_LIST TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS)
13 foreach(l ${LLVM_SYSTEM_LIBS_LIST})
15 set(SYSTEM_LIBS ${SYSTEM_LIBS} "${l}.lib")
18 # If it's an option, pass it without changes.
19 set(SYSTEM_LIBS ${SYSTEM_LIBS} "${l}")
21 # Otherwise assume it's a library name we need to link with.
22 set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
26 string(REPLACE ";" " " SYSTEM_LIBS "${SYSTEM_LIBS}")
28 # Fetch target specific compile options, e.g. RTTI option
29 get_property(COMPILE_FLAGS TARGET llvm-config PROPERTY COMPILE_FLAGS)
31 # Use configure_file to create BuildVariables.inc.
32 set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
33 set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
34 set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
35 set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
36 set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${COMPILE_FLAGS} ${LLVM_DEFINITIONS}")
37 set(LLVM_BUILD_SYSTEM cmake)
38 set(LLVM_HAS_RTTI ${LLVM_CONFIG_HAS_RTTI})
39 set(LLVM_DYLIB_VERSION "${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}${LLVM_VERSION_SUFFIX}")
40 set(LLVM_HAS_GLOBAL_ISEL "ON")
42 # Use the C++ link flags, since they should be a superset of C link flags.
43 set(LLVM_LDFLAGS "${CMAKE_CXX_LINK_FLAGS}")
44 set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
45 set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
46 string(REPLACE ";" " " LLVM_TARGETS_BUILT "${LLVM_TARGETS_TO_BUILD}")
47 llvm_canonicalize_cmake_booleans(
53 configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
55 # Set build-time environment(s).
56 add_definitions(-DCMAKE_CFG_INTDIR="${CMAKE_CFG_INTDIR}")
58 if(LLVM_ENABLE_MODULES)
59 target_compile_options(llvm-config PUBLIC
60 "-fmodules-ignore-macro=CMAKE_CFG_INTDIR"
64 # Add the dependency on the generation step.
65 add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
67 if(CMAKE_CROSSCOMPILING AND NOT LLVM_CONFIG_PATH)
68 set(LLVM_CONFIG_PATH "${LLVM_NATIVE_BUILD}/bin/llvm-config" CACHE STRING "")
70 add_custom_command(OUTPUT "${LLVM_CONFIG_PATH}"
71 COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
72 DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
73 WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
74 COMMENT "Building native llvm-config..."
76 add_custom_target(NativeLLVMConfig DEPENDS ${LLVM_CONFIG_PATH})
77 add_dependencies(NativeLLVMConfig CONFIGURE_LLVM_NATIVE)
79 add_dependencies(llvm-config NativeLLVMConfig)