# HG changeset patch
# User Paul Eggert <eggert@cs.ucla.edu>
# Date 1539581875 18000
# Node ID e09facd7352a60fbf944dd2e47137dfbe770d429
# Parent  9c237a90e50c59817fd9cdd955d93bc22c58ad74
libc-config: merge from glibc

* lib/cdefs.h (__glibc_has_attribute): New macro.

diff -r 9c237a90e50c -r e09facd7352a ChangeLog
--- a/ChangeLog	Mon Oct 15 00:17:34 2018 -0500
+++ b/ChangeLog	Mon Oct 15 00:37:55 2018 -0500
@@ -1,5 +1,8 @@
 2018-10-15  Paul Eggert  <eggert@cs.ucla.edu>
 
+	libc-config: merge from glibc
+	* lib/cdefs.h (__glibc_has_attribute): New macro.
+
 	regex: depend on libc-config
 	* modules/regex (Depends-on): Add libc-config.
 	This is needed after the recent autoupdate from glibc.
diff -r 9c237a90e50c -r e09facd7352a lib/cdefs.h
--- a/lib/cdefs.h	Mon Oct 15 00:17:34 2018 -0500
+++ b/lib/cdefs.h	Mon Oct 15 00:37:55 2018 -0500
@@ -409,6 +409,12 @@
 # define __glibc_likely(cond)	(cond)
 #endif
 
+#ifdef __has_attribute
+# define __glibc_has_attribute(attr)	__has_attribute (attr)
+#else
+# define __glibc_has_attribute(attr)	0
+#endif
+
 #if (!defined _Noreturn \
      && (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
      &&  !__GNUC_PREREQ (4,7))