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changeset 17112:03d96692c889

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extern-inline: provide a -Wundef safe config.h * m4/extern-inline.m4 (gl_EXTERN_INLINE): Protect "#if __GNUC_STDC_INLINE__" with "defined __GNUC_STDC_INLINE__" to produce a -Wundef warning free config.h.
author Akim Demaille <akim@lrde.epita.fr>
date Tue, 25 Sep 2012 13:58:12 +0200
parents b8250ce33952
children 1814049458e1
files ChangeLog m4/extern-inline.m4
diffstat 2 files changed, 11 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2012-09-28  Akim Demaille  <akim@lrde.epita.fr>
+
+	extern-inline: provide a -Wundef safe config.h
+	* m4/extern-inline.m4 (gl_EXTERN_INLINE): Protect
+	"#if __GNUC_STDC_INLINE__" with "defined __GNUC_STDC_INLINE__"
+	to produce a -Wundef warning free config.h.
+
 2012-09-26  Paul Eggert  <eggert@cs.ucla.edu>
 
 	hash-pjw: relax license to LGPLv2+
--- a/m4/extern-inline.m4
+++ b/m4/extern-inline.m4
@@ -18,7 +18,9 @@
      <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113>.
    _GL_INLINE_HEADER_END contains useful stuff to put
      in the same include file, after uses of _GL_INLINE.  */
-#if __GNUC__ ? __GNUC_STDC_INLINE__ : 199901L <= __STDC_VERSION__
+#if (__GNUC__ \
+     ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
+     : 199901L <= __STDC_VERSION__)
 # define _GL_INLINE inline
 # define _GL_EXTERN_INLINE extern inline
 #elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
@@ -35,7 +37,7 @@
 #endif
 
 #if 4 < __GNUC__ + (6 <= __GNUC_MINOR__)
-# if __GNUC_STDC_INLINE__
+# if defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__
 #  define _GL_INLINE_HEADER_CONST_PRAGMA
 # else
 #  define _GL_INLINE_HEADER_CONST_PRAGMA \