| 1 | # getopt.m4 serial 10 |
| 2 | dnl Copyright (C) 2002,2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
| 3 | dnl This file is free software; the Free Software Foundation |
| 4 | dnl gives unlimited permission to copy and/or distribute it, |
| 5 | dnl 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 | |
| 11 | AC_DEFUN([gl_GETOPT_SUBSTITUTE], |
| 12 | [ |
| 13 | AC_LIBOBJ([getopt]) |
| 14 | AC_LIBOBJ([getopt1]) |
| 15 | gl_GETOPT_SUBSTITUTE_HEADER |
| 16 | gl_PREREQ_GETOPT |
| 17 | ]) |
| 18 | |
| 19 | AC_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 | |
| 28 | AC_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 | |
| 69 | AC_DEFUN([gl_GETOPT_IFELSE], |
| 70 | [ |
| 71 | AC_REQUIRE([gl_GETOPT_CHECK_HEADERS]) |
| 72 | AS_IF([test -n "$GETOPT_H"], [$1], [$2]) |
| 73 | ]) |
| 74 | |
| 75 | AC_DEFUN([gl_GETOPT], [gl_GETOPT_IFELSE([gl_GETOPT_SUBSTITUTE])]) |
| 76 | |
| 77 | # Prerequisites of lib/getopt*. |
| 78 | AC_DEFUN([gl_PREREQ_GETOPT], [:]) |
| 79 | |
| 80 | ifelse(dnl Do not change this comment |
| 81 | arch-tag: 6c64a021-551c-4a7f-9c63-cd7e1ce54707 |
| 82 | )dnl |