1# getopt.m4 serial 10 2dnl Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7# The getopt module assume you want GNU getopt, with getopt_long etc, 8# rather than vanilla POSIX getopt. This means your your code should 9# always include <getopt.h> for the getopt prototypes. 10 11AC_DEFUN([gl_GETOPT_SUBSTITUTE], 12[ 13 AC_LIBOBJ([getopt]) 14 AC_LIBOBJ([getopt1]) 15 gl_GETOPT_SUBSTITUTE_HEADER 16 gl_PREREQ_GETOPT 17]) 18 19AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], 20[ 21 GETOPT_H=getopt.h 22 AC_DEFINE([__GETOPT_PREFIX], [[rpl_]], 23 [Define to rpl_ if the getopt replacement functions and variables 24 should be used.]) 25 AC_SUBST([GETOPT_H]) 26]) 27 28AC_DEFUN([gl_GETOPT_CHECK_HEADERS], 29[ 30 GETOPT_H= 31 AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h]) 32 if test -z "$GETOPT_H"; then 33 AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h]) 34 fi 35 36 dnl BSD getopt_long uses an incompatible method to reset option processing, 37 dnl and (as of 2004-10-15) mishandles optional option-arguments. 38 if test -z "$GETOPT_H"; then 39 AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>]) 40 fi 41 42 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an 43 dnl option string (as of 2005-05-05). 44 if test -z "$GETOPT_H"; then 45 AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt], 46 [AC_RUN_IFELSE( 47 [AC_LANG_PROGRAM([#include <getopt.h>], 48 [[ 49 char *myargv[3]; 50 myargv[0] = "conftest"; 51 myargv[1] = "-+"; 52 myargv[2] = 0; 53 return getopt (2, myargv, "+a") != '?'; 54 ]])], 55 [gl_cv_func_gnu_getopt=yes], 56 [gl_cv_func_gnu_getopt=no], 57 [dnl cross compiling - pessimistically guess based on decls 58 dnl Solaris 10 getopt doesn't handle `+' as a leading character in an 59 dnl option string (as of 2005-05-05). 60 AC_CHECK_DECL([getopt_clip], 61 [gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes], 62 [#include <getopt.h>])])]) 63 if test "$gl_cv_func_gnu_getopt" = "no"; then 64 GETOPT_H=getopt.h 65 fi 66 fi 67]) 68 69AC_DEFUN([gl_GETOPT_IFELSE], 70[ 71 AC_REQUIRE([gl_GETOPT_CHECK_HEADERS]) 72 AS_IF([test -n "$GETOPT_H"], [$1], [$2]) 73]) 74 75AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])]) 76 77# Prerequisites of lib/getopt*. 78AC_DEFUN([gl_PREREQ_GETOPT], [:]) 79 80ifelse(dnl Do not change this comment 81 arch-tag: 6c64a021-551c-4a7f-9c63-cd7e1ce54707 82)dnl 83