lib/gnulib
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/gnulib.git synced 2025-09-11 11:50:52 +03:00
Code Activity

* extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Don't #define

Browse Source 
__EXTENSIONS__ if this causes compilation to fail.  Problem
reported by Nelson H. F. Beebe with Solaris 10 and Sun C 5.7
c89 -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED.
This commit is contained in:
Paul Eggert
2006-02-06 05:22:04 +00:00
parent 6d1a85f2a5
commit 4255fda8f8
2 changed files with 18 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
m4/ChangeLog
View File

@@ -1,3 +1,10 @@
2006-02-05 Paul Eggert <eggert@cs.ucla.edu>
* extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Don't #define
__EXTENSIONS__ if this causes compilation to fail. Problem
reported by Nelson H. F. Beebe with Solaris 10 and Sun C 5.7
c89 -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED.
2006-01-25 Simon Josefsson <jas@extundo.com>
* getaddrinfo.m4: Look for getaddrinfo inside ws2tcip.h and

13
m4/extensions.m4
View File

@@ -1,6 +1,6 @@
# Enable extensions on systems that normally disable them.
# Copyright (C) 2003 Free Software Foundation, Inc.
# Copyright (C) 2003, 2006 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
@@ -25,6 +25,15 @@ AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif])
AC_DEFINE([__EXTENSIONS__])
AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
[ac_cv_safe_to_define___extensions__],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([
#define __EXTENSIONS__ 1
AC_INCLUDES_DEFAULT])],
[ac_cv_safe_to_define___extensions__=yes],
[ac_cv_safe_to_define___extensions__=no])])
test $ac_cv_safe_to_define___extensions__ == yes &&
AC_DEFINE([__EXTENSIONS__])
AC_DEFINE([_POSIX_PTHREAD_SEMANTICS])
])