From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 26 Oct 2001 23:35:32 +0000 (+0000)
Subject: (__attribute_used__): Define.
X-Git-Tag: cvs/glibc-2-2-5~221
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3640b91f7416080e4f16c93f7a59d6849ac6dc9;p=thirdparty%2Fglibc.git

(__attribute_used__): Define.
---

diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 02454ee4dae..45d2ac36624 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.