build: Automatically fetch Gnulib from git when running autogen.sh.

[upkg.git] / m4 / getopt.m4

diff --git a/m4/getopt.m4 b/m4/getopt.m4
deleted file mode 100644 (file)
index 9b683c2..0000000
--- a/m4/getopt.m4
+++ /dev/null
@@ -1,83 +0,0 @@
-# getopt.m4 serial 14
-dnl Copyright (C) 2002-2006, 2008 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 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],
-[
-  if test -z "$GETOPT_H"; then
-    AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h])
-  fi
-
-  if test -z "$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],
-[
-  AC_CHECK_DECLS_ONCE([getenv])
-])