diff options
Diffstat (limited to 'gl/m4/lock.m4')
| -rw-r--r-- | gl/m4/lock.m4 | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gl/m4/lock.m4 b/gl/m4/lock.m4 index 0224f2ff..91119335 100644 --- a/gl/m4/lock.m4 +++ b/gl/m4/lock.m4 @@ -1,5 +1,5 @@ -# lock.m4 serial 6 (gettext-0.16) -dnl Copyright (C) 2005-2006 Free Software Foundation, Inc. +# lock.m4 serial 7 (gettext-0.17) +dnl Copyright (C) 2005-2007 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -35,7 +35,12 @@ AC_DEFUN([gl_LOCK_EARLY_BODY], AC_BEFORE([$0], [gl_ARGP])dnl AC_REQUIRE([AC_CANONICAL_HOST]) - AC_REQUIRE([AC_GNU_SOURCE]) dnl needed for pthread_rwlock_t on glibc systems + dnl _GNU_SOURCE is needed for pthread_rwlock_t on glibc systems. + dnl AC_USE_SYSTEM_EXTENSIONS was introduced in autoconf 2.60 and obsoletes + dnl AC_GNU_SOURCE. + m4_ifdef([AC_USE_SYSTEM_EXTENSIONS], + [AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])], + [AC_REQUIRE([AC_GNU_SOURCE])]) dnl Check for multithreading. AC_ARG_ENABLE(threads, AC_HELP_STRING([--enable-threads={posix|solaris|pth|win32}], [specify multithreading API]) |