From ca5a4c3c9f8ec775c84aaaea06c494915acd389a Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Fri, 12 May 2000 07:01:25 +0000 Subject: Update. 2000-05-11 Jan Hubicka * misc/sys/cdefs.h: Add support for pure attribute. * include/string.h: Add __attribute_pure__ to various functions. * string/string.h: Likewise. --- misc/sys/cdefs.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'misc/sys') diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 5880fe9c5e..78c419244a 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -123,6 +123,15 @@ # define __attribute_malloc__ /* Ignore */ #endif +/* At some point during the gcc 2.96 development the `pure' attribute + for functions was introduced. We don't want to use it unconditionally + (although this would be possible) since it generates warnings. */ +#if __GNUC_PREREQ (2,96) +# define __attribute_pure__ __attribute__ ((__pure__)) +#else +# define __attribute_pure__ /* Ignore */ +#endif + /* It is possible to compile containing GCC extensions even if GCC is run in pedantic mode if the uses are carefully marked using the `__extension__' keyword. But this is not generally available before -- cgit v1.2.3