use a more effective way to determine gcc revision
git-svn-id: http://svn.linux-vserver.org/svn/util-vserver/trunk@1319
94cd875c-1c1d-0410-91d2-
eb244daf1a30
# define UNUSED __attribute__((__unused__))
# define NORETURN __attribute__((__noreturn__))
# define CONST __attribute__((__const__))
-# if __GNUC__>3 || (__GNUC__==3 && __GNUC_MINOR__>=3)
+# if __GNUC__*0x10000 + __GNUC_MINOR__*0x100 + __GNUC_PATCHLEVEL__ >= 0x30300
# define NONNULL(ARGS) __attribute__((__nonnull__ ARGS))
# define ALWAYSINLINE __attribute__((__always_inline__))
# else
# define NONNULL(ARGS)
# define ALWAYSINLINE
+# define PURE
# endif
-# if __GNUC__>=3
-# define PURE __attribute__((__pure__))
+# if __GNUC__*0x10000 + __GNUC_MINOR__*0x100 + __GNUC_PATCHLEVEL__ >= 0x30303
+# define PURE __attribute__((__pure__))
# else
# define PURE
# endif