-# posixver.m4 serial 11
+# posixver.m4 serial 12
dnl Copyright (C) 2002-2006, 2009-2012 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
])
# Set the default level of POSIX conformance at configure-time.
-# Build with `./configure DEFAULT_POSIX2_VERSION=199209 ...' to
+# Build with './configure DEFAULT_POSIX2_VERSION=199209 ...' to
# support the older version, thus preserving portability with
# 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.
+# like 'sort +some-file' that conform with the newer standard.
AC_DEFUN([gl_DEFAULT_POSIX2_VERSION],
[
AC_MSG_CHECKING([for desired default level of POSIX conformance])
the form YYYYMM, specifying the year and month the standard was
adopted. If not defined here, it defaults to the value of
_POSIX2_VERSION in <unistd.h>. Define to 199209 to default to
- POSIX 1003.2-1992, which makes standard programs like `head',
- `tail', and `sort' accept obsolete options like `+10' and
- `-10'. Define to 200112 to default to POSIX 1003.1-2001, which
- makes these standard programs treat leading-`+' operands as
- file names and require modern usages like `-n 10' instead of
- `-10'. Whether defined here or not, the default can be
+ POSIX 1003.2-1992, which makes standard programs like 'head',
+ 'tail', and 'sort' accept obsolete options like '+10' and
+ '-10'. Define to 200112 to default to POSIX 1003.1-2001, which
+ makes these standard programs treat leading-'+' operands as
+ file names and require modern usages like '-n 10' instead of
+ '-10'. Whether defined here or not, the default can be
overridden at run time via the _POSIX2_VERSION environment
variable.])
fi