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-rw-r--r--gl/m4/extern-inline.m421
1 files changed, 13 insertions, 8 deletions
diff --git a/gl/m4/extern-inline.m4 b/gl/m4/extern-inline.m4
index 600c8d3fa1..0a9fc9a75b 100644
--- a/gl/m4/extern-inline.m4
+++ b/gl/m4/extern-inline.m4
@@ -7,7 +7,6 @@ dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_EXTERN_INLINE],
[
- AC_REQUIRE([AC_C_INLINE])
AH_VERBATIM([extern_inline],
[/* _GL_INLINE is a portable alternative to ISO C99 plain 'inline'.
_GL_EXTERN_INLINE is a portable alternative to 'extern inline'.
@@ -17,13 +16,19 @@ AC_DEFUN([gl_EXTERN_INLINE],
when FOO is an inline function in the header; see
<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__ \
- ? defined __GNUC_STDC_INLINE__ && __GNUC_STDC_INLINE__ \
- : 199901L <= __STDC_VERSION__)
+ in the same include file, after uses of _GL_INLINE.
+
+ Suppress the use of extern inline on Apple's platforms,
+ as Libc-825.25 (2012-09-19) is incompatible with it; see
+ <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 __APPLE__)
# define _GL_INLINE inline
# define _GL_EXTERN_INLINE extern inline
-#elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__)
+#elif 2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __APPLE__
# if __GNUC_GNU_INLINE__
/* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */
# define _GL_INLINE extern inline __attribute__ ((__gnu_inline__))
@@ -32,8 +37,8 @@ AC_DEFUN([gl_EXTERN_INLINE],
# endif
# define _GL_EXTERN_INLINE extern
#else
-# define _GL_INLINE static inline
-# define _GL_EXTERN_INLINE static inline
+# define _GL_INLINE static _GL_UNUSED
+# define _GL_EXTERN_INLINE static _GL_UNUSED
#endif
#if 4 < __GNUC__ + (6 <= __GNUC_MINOR__)