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| author | Paul Eggert <eggert@cs.ucla.edu> | 2013-10-22 21:01:46 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2013-10-22 21:01:46 -0700 |
| commit | 758bed52afd57bd140409bfbbeabb4a89b5182d3 (patch) | |
| tree | 29883f4b2b1a5e6f5070b02888a0d06241d8f19a /m4 | |
| parent | 967a72c957b41e7af82ddfae8487066d6735f5b8 (diff) | |
| download | emacs-758bed52afd57bd140409bfbbeabb4a89b5182d3.tar.gz | |
Merge from gnulib.
This incorporates:
2013-10-14 acl: allow cross-compilation to Gentoo
2013-10-18 extern-inline: make safe for -Wundef usage
2013-09-30 fpending: use pure+const function attrs
* lib/fpending.h, m4/acl.m4, m4/extern-inline.m4: Update from gnulib.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/acl.m4 | 21 | ||||
| -rw-r--r-- | m4/extern-inline.m4 | 3 |
2 files changed, 14 insertions, 10 deletions
diff --git a/m4/acl.m4 b/m4/acl.m4 index 5b1fb65e6e6..24b6e4969d1 100644 --- a/m4/acl.m4 +++ b/m4/acl.m4 @@ -1,5 +1,5 @@ # acl.m4 - check for access control list (ACL) primitives -# serial 15 +# serial 16 # Copyright (C) 2002, 2004-2013 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -141,12 +141,14 @@ int type = ACL_TYPE_EXTENDED;]])], # ------------------------------------- # If 'acl_get_file' works (does not have a particular bug), # run IF-WORKS, otherwise, IF-NOT. -# This tests for a Darwin 8.7.0 bug, whereby acl_get_file returns NULL, -# but sets errno = ENOENT for an existing file or directory. +# When building natively, test for a Darwin 8.7.0 bug, whereby acl_get_file +# returns NULL, but sets errno = ENOENT for an existing file or directory. +# When cross-compiling, assume that this old bug no longer applies. AC_DEFUN([gl_ACL_GET_FILE], [ AC_CACHE_CHECK([for working acl_get_file], [gl_cv_func_working_acl_get_file], - [AC_RUN_IFELSE( + [gl_cv_func_working_acl_get_file=no + AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include <sys/types.h> #include <sys/acl.h> @@ -156,9 +158,10 @@ AC_DEFUN([gl_ACL_GET_FILE], return 1; return 0; ]])], - [gl_cv_func_working_acl_get_file=yes], - [gl_cv_func_working_acl_get_file=no], - [gl_cv_func_working_acl_get_file=cross-compiling])]) - - AS_IF([test $gl_cv_func_working_acl_get_file = yes], [$1], [$2]) + [if test $cross_compiling = yes; then + gl_cv_func_working_acl_get_file="guessing yes" + elif ./conftest$ac_exeext; then + gl_cv_func_working_acl_get_file=yes + fi])]) + AS_IF([test "$gl_cv_func_working_acl_get_file" != no], [$1], [$2]) ]) diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4 index 4862d60d8e7..e4454d8fe3d 100644 --- a/m4/extern-inline.m4 +++ b/m4/extern-inline.m4 @@ -1,3 +1,4 @@ +# extern-inline.m4 serial 2 dnl 'extern inline' a la ISO C99. dnl Copyright 2012-2013 Free Software Foundation, Inc. @@ -41,7 +42,7 @@ AC_DEFUN([gl_EXTERN_INLINE], # define _GL_EXTERN_INLINE_IN_USE #elif (2 < __GNUC__ + (7 <= __GNUC_MINOR__) && !defined __STRICT_ANSI__ \ && !defined _GL_EXTERN_INLINE_APPLE_BUG) -# if __GNUC_GNU_INLINE__ +# if defined __GNUC_GNU_INLINE__ && __GNUC_GNU_INLINE__ /* __gnu_inline__ suppresses a GCC 4.2 diagnostic. */ # define _GL_INLINE extern inline __attribute__ ((__gnu_inline__)) # else |