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(gl_GETOPT): Check for Solaris 10 bug, not decl, when possible.

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This commit is contained in:
Paul Eggert
2005-05-10 19:09:23 +00:00
parent b323c05979
commit 7a0461caab
1 changed files with 22 additions and 3 deletions
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25
m4/getopt.m4
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@@ -1,4 +1,4 @@
# getopt.m4 serial 8
# getopt.m4 serial 9
dnl Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@ -39,8 +39,27 @@ AC_DEFUN([gl_GETOPT],
dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
dnl option string (as of 2005-05-05).
if test -z "$GETOPT_H"; then
AC_CHECK_DECL([getopt_clip], [GETOPT_H=getopt.h], [],
[#include <getopt.h>])
AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt],
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM([#include <getopt.h>],
[[
char *myargv[3];
myargv[0] = "conftest";
myargv[1] = "-+";
myargv[2] = 0;
return getopt (2, myargv, "+a") != '?';
]])],
[gl_cv_func_gnu_getopt=yes],
[gl_cv_func_gnu_getopt=no],
[dnl cross compiling - pessimistically guess based on decls
dnl Solaris 10 getopt doesn't handle `+' as a leading character in an
dnl option string (as of 2005-05-05).
AC_CHECK_DECL([getopt_clip],
[gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes],
[#include <getopt.h>])])])
if test "$gl_cv_func_gnu_getopt" = "no"; then
GETOPT_H=getopt.h
fi
fi
if test -n "$GETOPT_H"; then