llvm/clang/include/clang/Basic/Version.inc.in

#define CLANG_VERSION @CLANG_VERSION@
#define CLANG_VERSION_STRING "@CLANG_VERSION@"
#define CLANG_VERSION_MAJOR @CLANG_VERSION_MAJOR@
#define CLANG_VERSION_MAJOR_STRING "@CLANG_VERSION_MAJOR@"
#define CLANG_VERSION_MINOR @CLANG_VERSION_MINOR@
#define CLANG_VERSION_PATCHLEVEL @CLANG_VERSION_PATCHLEVEL@