1# get clang resource directory 2# 3# usage: 4# get_clang_resource_dir(out_var [PREFIX prefix] [SUBDIR subdirectory]) 5# 6# user can use `PREFIX` to prepend some path to it or use `SUBDIR` to 7# get subdirectory under clang resource dir 8 9function(get_clang_resource_dir out_var) 10 cmake_parse_arguments(ARG "" "PREFIX;SUBDIR" "" ${ARGN}) 11 12 if(DEFINED CLANG_RESOURCE_DIR AND NOT CLANG_RESOURCE_DIR STREQUAL "") 13 set(ret_dir bin/${CLANG_RESOURCE_DIR}) 14 else() 15 if (NOT CLANG_VERSION_MAJOR) 16 string(REGEX MATCH "^[0-9]+" CLANG_VERSION_MAJOR ${PACKAGE_VERSION}) 17 endif() 18 set(ret_dir lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION_MAJOR}) 19 endif() 20 21 if(ARG_PREFIX) 22 set(ret_dir ${ARG_PREFIX}/${ret_dir}) 23 endif() 24 if(ARG_SUBDIR) 25 set(ret_dir ${ret_dir}/${ARG_SUBDIR}) 26 endif() 27 28 set(${out_var} ${ret_dir} PARENT_SCOPE) 29endfunction() 30