mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-12 09:28:24 +00:00
83 lines
2.5 KiB
Plaintext
83 lines
2.5 KiB
Plaintext
# getopt.m4 serial 10
|
|
dnl Copyright (C) 2002,2003,2004,2005,2006,2007 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.
|
|
|
|
# The getopt module assume you want GNU getopt, with getopt_long etc,
|
|
# rather than vanilla POSIX getopt. This means your your code should
|
|
# always include <getopt.h> for the getopt prototypes.
|
|
|
|
AC_DEFUN([gl_GETOPT_SUBSTITUTE],
|
|
[
|
|
AC_LIBOBJ([getopt])
|
|
AC_LIBOBJ([getopt1])
|
|
gl_GETOPT_SUBSTITUTE_HEADER
|
|
gl_PREREQ_GETOPT
|
|
])
|
|
|
|
AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER],
|
|
[
|
|
GETOPT_H=getopt.h
|
|
AC_DEFINE([__GETOPT_PREFIX], [[rpl_]],
|
|
[Define to rpl_ if the getopt replacement functions and variables
|
|
should be used.])
|
|
AC_SUBST([GETOPT_H])
|
|
])
|
|
|
|
AC_DEFUN([gl_GETOPT_CHECK_HEADERS],
|
|
[
|
|
GETOPT_H=
|
|
AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h])
|
|
if test -z "$GETOPT_H"; then
|
|
AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h])
|
|
fi
|
|
|
|
dnl BSD getopt_long uses an incompatible method to reset option processing,
|
|
dnl and (as of 2004-10-15) mishandles optional option-arguments.
|
|
if test -z "$GETOPT_H"; then
|
|
AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>])
|
|
fi
|
|
|
|
dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
|
|
dnl option string (as of 2005-05-05).
|
|
if test -z "$GETOPT_H"; then
|
|
AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt],
|
|
[AC_RUN_IFELSE(
|
|
[AC_LANG_PROGRAM([#include <getopt.h>],
|
|
[[
|
|
char *myargv[3];
|
|
myargv[0] = "conftest";
|
|
myargv[1] = "-+";
|
|
myargv[2] = 0;
|
|
return getopt (2, myargv, "+a") != '?';
|
|
]])],
|
|
[gl_cv_func_gnu_getopt=yes],
|
|
[gl_cv_func_gnu_getopt=no],
|
|
[dnl cross compiling - pessimistically guess based on decls
|
|
dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
|
|
dnl option string (as of 2005-05-05).
|
|
AC_CHECK_DECL([getopt_clip],
|
|
[gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes],
|
|
[#include <getopt.h>])])])
|
|
if test "$gl_cv_func_gnu_getopt" = "no"; then
|
|
GETOPT_H=getopt.h
|
|
fi
|
|
fi
|
|
])
|
|
|
|
AC_DEFUN([gl_GETOPT_IFELSE],
|
|
[
|
|
AC_REQUIRE([gl_GETOPT_CHECK_HEADERS])
|
|
AS_IF([test -n "$GETOPT_H"], [$1], [$2])
|
|
])
|
|
|
|
AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])])
|
|
|
|
# Prerequisites of lib/getopt*.
|
|
AC_DEFUN([gl_PREREQ_GETOPT], [:])
|
|
|
|
ifelse(dnl Do not change this comment
|
|
arch-tag: 6c64a021-551c-4a7f-9c63-cd7e1ce54707
|
|
)dnl
|