Handle early gcc compilers that are missing __builtin_bswap64 or __builtin_ctz

(closes #84)
2012-03-24 10:06:08 -04:00
parent d867a716b7
commit 3b2604b81c
2 changed files with 16 additions and 6 deletions
@@ -117,6 +117,8 @@ AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Def

 AC_CHECK_LIB([ncurses], [setupterm])

+AC_CHECK_DECLS([__builtin_bswap64, __builtin_ctz])
+
 AC_CHECK_DECL([mach_absolute_time],
  [AC_DEFINE([HAVE_MACH_ABSOLUTE_TIME], [1],
     [Define if mach_absolute_time is available.])],