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815.1.3
by Monty Taylor
Added getopt workaround for broken solaris getopt. |
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# getopt.m4 serial 14 |
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dnl Copyright (C) 2002-2006, 2008 Free Software Foundation, Inc. |
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dnl This file is free software; the Free Software Foundation |
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dnl gives unlimited permission to copy and/or distribute it, |
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dnl with or without modifications, as long as this notice is preserved. |
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# The getopt module assume you want GNU getopt, with getopt_long etc, |
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# rather than vanilla POSIX getopt. This means your code should |
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# always include <getopt.h> for the getopt prototypes. |
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AC_DEFUN([gl_GETOPT_SUBSTITUTE], |
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[
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AC_LIBOBJ([getopt]) |
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AC_LIBOBJ([getopt1]) |
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gl_GETOPT_SUBSTITUTE_HEADER |
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gl_PREREQ_GETOPT |
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]) |
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AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], |
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[
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GETOPT_H=getopt.h
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AC_DEFINE([__GETOPT_PREFIX], [[rpl_]], |
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[Define to rpl_ if the getopt replacement functions and variables |
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should be used.]) |
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AC_SUBST([GETOPT_H]) |
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]) |
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AC_DEFUN([gl_GETOPT_CHECK_HEADERS], |
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[
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if test -z "$GETOPT_H"; then
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AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h]) |
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fi |
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if test -z "$GETOPT_H"; then |
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AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h]) |
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fi |
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dnl BSD getopt_long uses an incompatible method to reset option processing, |
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dnl and (as of 2004-10-15) mishandles optional option-arguments. |
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if test -z "$GETOPT_H"; then |
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AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>]) |
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fi |
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dnl Solaris 10 getopt doesn't handle `+' as a leading character in an |
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dnl option string (as of 2005-05-05). |
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if test -z "$GETOPT_H"; then |
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AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt], |
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[AC_RUN_IFELSE( |
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[AC_LANG_PROGRAM([[#include <getopt.h>]], |
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[[ |
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char *myargv[3]; |
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myargv[0] = "conftest"; |
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myargv[1] = "-+"; |
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myargv[2] = 0; |
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return getopt (2, myargv, "+a") != '?'; |
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]])], |
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[gl_cv_func_gnu_getopt=yes], |
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[gl_cv_func_gnu_getopt=no], |
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[dnl cross compiling - pessimistically guess based on decls |
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dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
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dnl option string (as of 2005-05-05).
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AC_CHECK_DECL([getopt_clip], |
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[gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes], |
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[#include <getopt.h>])])]) |
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if test "$gl_cv_func_gnu_getopt" = "no"; then |
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GETOPT_H=getopt.h |
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fi |
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fi |
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]) |
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AC_DEFUN([gl_GETOPT_IFELSE], |
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[
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AC_REQUIRE([gl_GETOPT_CHECK_HEADERS]) |
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AS_IF([test -n "$GETOPT_H"], [$1], [$2]) |
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]) |
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AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])]) |
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# Prerequisites of lib/getopt*. |
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AC_DEFUN([gl_PREREQ_GETOPT], |
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[
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AC_CHECK_DECLS_ONCE([getenv]) |
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]) |