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| author | Ulrich Drepper <drepper@redhat.com> | 2001-10-26 23:35:32 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2001-10-26 23:35:32 +0000 |
| commit | d3640b91f7416080e4f16c93f7a59d6849ac6dc9 (patch) | |
| tree | dbdb800805d05f61b962b5117c4acce4713a25b5 /misc/sys/cdefs.h | |
| parent | a5fcd166476e87027ff28953f6f487ee218b60c1 (diff) | |
| download | glibc-d3640b91f7416080e4f16c93f7a59d6849ac6dc9.tar.gz glibc-d3640b91f7416080e4f16c93f7a59d6849ac6dc9.tar.xz glibc-d3640b91f7416080e4f16c93f7a59d6849ac6dc9.zip | |
(__attribute_used__): Define.
Diffstat (limited to 'misc/sys/cdefs.h')
| -rw-r--r-- | misc/sys/cdefs.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h index 02454ee4da..45d2ac3662 100644 --- a/misc/sys/cdefs.h +++ b/misc/sys/cdefs.h @@ -160,6 +160,15 @@ # define __attribute_pure__ /* Ignore */ #endif +/* At some point during the gcc 3.1 development the `used' 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 (3,1) +# define __attribute_used__ __attribute__ ((__used__)) +#else +# define __attribute_used__ __attribute__ ((__unused__)) +#endif + /* At some point during the gcc 2.8 development the `format_arg' attribute for functions was introduced. We don't want to use it unconditionally (although this would be possible) since it generates warnings. |