# getopt.m4 serial 13 dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 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 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 "$GETOPT_H"; then AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include ]) fi dnl Solaris 10 getopt doesn't handle `+' as a leading character in an dnl option string (as of 2005-05-05). if test -z "$GETOPT_H"; then AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt], [AC_RUN_IFELSE( [AC_LANG_PROGRAM([#include ], [[ 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 ])])]) 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]) ])
