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| author | Paul Eggert <eggert@cs.ucla.edu> | 2013-11-08 08:24:40 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2013-11-08 08:24:40 -0800 |
| commit | 220a304ac3e1948e40ea76a82bc62bd81c2a6906 (patch) | |
| tree | 258d6b1b3b7ef513a7e040faf7b3d687b1d93d03 /m4 | |
| parent | 71731c03382ba72c08d8a8d15ee074b4d3c97e66 (diff) | |
| download | emacs-220a304ac3e1948e40ea76a82bc62bd81c2a6906.tar.gz | |
Merge from gnulib.
This incorporates:
2013-11-08 extern-inline: port better to OS X 10.9
2013-11-08 fpending: fix regression on DragonFly BSD
* lib/fpending.h, m4/extern-inline.m4, m4/fpending.m4:
Update from gnulib.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/extern-inline.m4 | 18 | ||||
| -rw-r--r-- | m4/fpending.m4 | 18 |
2 files changed, 22 insertions, 14 deletions
diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4 index e4454d8fe3d..9f93c29e4d4 100644 --- a/m4/extern-inline.m4 +++ b/m4/extern-inline.m4 @@ -1,4 +1,3 @@ -# extern-inline.m4 serial 2 dnl 'extern inline' a la ISO C99. dnl Copyright 2012-2013 Free Software Foundation, Inc. @@ -20,15 +19,20 @@ AC_DEFUN([gl_EXTERN_INLINE], '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 problematic Apple configurations, as - Libc at least through Libc-825.26 (2013-04-09) mishandles it; see, e.g., + Suppress the use of extern inline on problematic Apple configurations. + OS X 10.8 and earlier mishandle it; see, e.g., <http://lists.gnu.org/archive/html/bug-gnulib/2012-12/msg00023.html>. + OS X 10.9 has a macro __header_inline indicating the bug is fixed for C and + for clang but remains for g++; see <http://trac.macports.org/ticket/41033>. Perhaps Apple will fix this some day. */ #if (defined __APPLE__ \ - && ((! defined _DONT_USE_CTYPE_INLINE_ \ - && (defined __GNUC__ || defined __cplusplus)) \ - || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ - && defined __GNUC__ && ! defined __cplusplus))) + && (defined __header_inline \ + ? (defined __cplusplus && defined __GNUC_STDC_INLINE__ \ + && ! defined __clang__) \ + : ((! defined _DONT_USE_CTYPE_INLINE_ \ + && (defined __GNUC__ || defined __cplusplus)) \ + || (defined _FORTIFY_SOURCE && 0 < _FORTIFY_SOURCE \ + && defined __GNUC__ && ! defined __cplusplus)))) # define _GL_EXTERN_INLINE_APPLE_BUG #endif #if ((__GNUC__ \ diff --git a/m4/fpending.m4 b/m4/fpending.m4 index c8d9e8b7ba8..669105b9b53 100644 --- a/m4/fpending.m4 +++ b/m4/fpending.m4 @@ -1,4 +1,4 @@ -# serial 20 +# serial 21 # Copyright (C) 2000-2001, 2004-2013 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -16,19 +16,23 @@ dnl we have to grub around in the FILE struct. AC_DEFUN([gl_FUNC_FPENDING], [ AC_CHECK_HEADERS_ONCE([stdio_ext.h]) + fp_headers=' + #include <stdio.h> + #if HAVE_STDIO_EXT_H + # include <stdio_ext.h> + #endif + ' AC_CACHE_CHECK([for __fpending], [gl_cv_func___fpending], [ AC_LINK_IFELSE( - [AC_LANG_PROGRAM( - [[#include <stdio.h> - #if HAVE_STDIO_EXT_H - # include <stdio_ext.h> - #endif - ]], + [AC_LANG_PROGRAM([$fp_headers], [[return ! __fpending (stdin);]])], [gl_cv_func___fpending=yes], [gl_cv_func___fpending=no]) ]) + if test $gl_cv_func___fpending = yes; then + AC_CHECK_DECLS([__fpending], [], [], [$fp_headers]) + fi ]) AC_DEFUN([gl_PREREQ_FPENDING], |