X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fposixver.m4;h=e24b40d8fe3bde593dc53cd4ee0d57dfc161082c;hb=ce38c27828c6a3286e99e312d50fe140a1ec334b;hp=1fb8772f17276dacc425354dfbe591123fd7b986;hpb=6ba1261f9596af6a08bbf270e1c18e8ec90be021;p=gnulib.git

diff --git a/m4/posixver.m4 b/m4/posixver.m4
index 1fb8772f1..e24b40d8f 100644
--- a/m4/posixver.m4
+++ b/m4/posixver.m4
@@ -1,21 +1,20 @@
-# posixver.m4 serial 4
-dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# posixver.m4 serial 10
+dnl Copyright (C) 2002-2006, 2009-2011 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.
 
 AC_DEFUN([gl_POSIXVER],
 [
-  AC_CHECK_HEADERS_ONCE(unistd.h)
+  AC_LIBOBJ([posixver])
+
   AC_REQUIRE([gl_DEFAULT_POSIX2_VERSION])
 ])
 
 # Set the default level of POSIX conformance at configure-time.
 # Build with `./configure DEFAULT_POSIX2_VERSION=199209 ...' to
 # support the older version, thus preserving portability with
-# scripts that use sort +1, tail +32, head -1, etc.
+# scripts that use sort +1, tail +32, etc.
 # Note however, that this breaks tools that might run commands
 # like `sort +some-file' that conform with the newer standard.
 AC_DEFUN([gl_DEFAULT_POSIX2_VERSION],
@@ -24,7 +23,7 @@ AC_DEFUN([gl_DEFAULT_POSIX2_VERSION],
   gl_default_posix2_version=none-specified
   if test -n "$ac_cv_env_DEFAULT_POSIX2_VERSION_set"; then
     gl_default_posix2_version=$ac_cv_env_DEFAULT_POSIX2_VERSION_value
-    AC_DEFINE_UNQUOTED(DEFAULT_POSIX2_VERSION,
+    AC_DEFINE_UNQUOTED([DEFAULT_POSIX2_VERSION],
       $gl_default_posix2_version,
       [Define the default level of POSIX conformance. The value is of
        the form YYYYMM, specifying the year and month the standard was
@@ -39,7 +38,7 @@ AC_DEFUN([gl_DEFAULT_POSIX2_VERSION],
        overridden at run time via the _POSIX2_VERSION environment
        variable.])
   fi
-  AC_MSG_RESULT($gl_default_posix2_version)
+  AC_MSG_RESULT([$gl_default_posix2_version])
   AC_ARG_VAR(
     [DEFAULT_POSIX2_VERSION],
     [POSIX version to default to; see 'config.hin'.])