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authorPaul Eggert <eggert@cs.ucla.edu>2013-04-28 21:48:30 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2013-04-28 21:48:30 -0700
commitd9774ea487f683440a001d44a1487bbaefe1d310 (patch)
treef222c08653e2eb74d01dcb8abd44ae7acaa665c6 /m4
parent2ec12cb0f025b5476b8a1d7cacac2456bd5c1115 (diff)
downloademacs-d9774ea487f683440a001d44a1487bbaefe1d310.tar.gz
Merge from gnulib.
This incorporates: 2013-04-28 extern-inline: work around bug in Sun c99
Diffstat (limited to 'm4')
-rw-r--r--m4/extern-inline.m414
1 files changed, 11 insertions, 3 deletions
diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4
index 0152f29326b..94b46dde07d 100644
--- a/m4/extern-inline.m4
+++ b/m4/extern-inline.m4
@@ -21,13 +21,21 @@ AC_DEFUN([gl_EXTERN_INLINE],
Suppress extern inline with HP-UX cc, as it appears to be broken; see
<http://lists.gnu.org/archive/html/bug-texinfo/2013-02/msg00030.html>.
- Suppress the use of extern inline on Apple's platforms,
- as Libc-825.25 (2012-09-19) is incompatible with it; see
+ Suppress extern inline with Sun C in standards-conformance mode, as it
+ mishandles inline functions that call each other. E.g., for 'inline void f
+ (void) { } inline void g (void) { f (); }', c99 incorrectly complains
+ 'reference to static identifier "f" in extern inline function'.
+ This bug was observed with Sun C 5.12 SunOS_i386 2011/11/16.
+
+ Suppress the use of extern inline on Apple's platforms, as Libc at least
+ through Libc-825.26 (2013-04-09) is incompatible with it; see, e.g.,
<http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>.
Perhaps Apple will fix this some day. */
#if ((__GNUC__ \
? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
- : 199901L <= __STDC_VERSION__ && !defined __HP_cc) \
+ : (199901L <= __STDC_VERSION__ \
+ && !defined __HP_cc \
+ && !(defined __SUNPRO_C && __STDC__))) \
&& !defined __APPLE__)
# define _GL_INLINE inline
# define _GL_EXTERN_INLINE extern inline