1 set(LLVM_LINK_COMPONENTS support) 2 3 # We need to generate the BuildVariables.inc file containing values which are 4 # only defined when under certain build modes. Unfortunately, that precludes 5 # doing this inside CMake so we have to shell out to sed. For now, that means we 6 # can't expect to build llvm-config on Window.s 7 set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in) 8 set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc) 9 set(SEDSCRIPT_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.configure.sed) 10 11 # Compute the substitution values for various items. 12 get_system_libs(LLVM_SYSTEM_LIBS_LIST) 13 foreach(l ${LLVM_SYSTEM_LIBS_LIST}) 14 set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}") 15 endforeach() 16 set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") 17 set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") 18 set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}") 19 20 add_custom_command(OUTPUT ${BUILDVARIABLES_OBJPATH} 21 COMMAND echo s!@LLVM_SRC_ROOT@!${LLVM_MAIN_SRC_DIR}! > ${SEDSCRIPT_OBJPATH} 22 COMMAND echo s!@LLVM_OBJ_ROOT@!${LLVM_BINARY_DIR}! >> ${SEDSCRIPT_OBJPATH} 23 COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! >> ${SEDSCRIPT_OBJPATH} 24 COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> ${SEDSCRIPT_OBJPATH} 25 COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> ${SEDSCRIPT_OBJPATH} 26 # TODO: Use general flags for linking! not just for shared libs: 27 COMMAND echo s!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}! >> ${SEDSCRIPT_OBJPATH} 28 COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> ${SEDSCRIPT_OBJPATH} 29 COMMAND echo s!@LLVM_SYSTEM_LIBS@!${SYSTEM_LIBS}! >> ${SEDSCRIPT_OBJPATH} 30 COMMAND echo s!@LLVM_TARGETS_BUILT@!${LLVM_TARGETS_TO_BUILD}! >> ${SEDSCRIPT_OBJPATH} 31 COMMAND sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH} 32 VERBATIM 33 COMMENT "Building BuildVariables.inc include." 34 ) 35 36 # Add the llvm-config tool. 37 add_llvm_tool(llvm-config 38 llvm-config.cpp 39 ) 40 41 # Add the dependency on the generation step. 42 add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH}) 43
