diff options
Diffstat (limited to 'm4/getopt.m4')
-rw-r--r-- | m4/getopt.m4 | 74 |
1 files changed, 41 insertions, 33 deletions
diff --git a/m4/getopt.m4 b/m4/getopt.m4 index 79c699162..6b98782c4 100644 --- a/m4/getopt.m4 +++ b/m4/getopt.m4 @@ -1,4 +1,4 @@ -# getopt.m4 serial 9 +# getopt.m4 serial 11 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, @@ -10,63 +10,71 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_GETOPT_SUBSTITUTE], [ - GETOPT_H=getopt.h 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], +AC_DEFUN([gl_GETOPT_CHECK_HEADERS], [ - gl_PREREQ_GETOPT - if test -z "$GETOPT_H"; then - GETOPT_H= AC_CHECK_HEADERS([getopt.h], [], [GETOPT_H=getopt.h]) - if test -z "$GETOPT_H"; then - AC_CHECK_FUNCS([getopt_long_only], [], [GETOPT_H=getopt.h]) - fi + 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 "$GETOPT_H"; then - AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>]) - fi + if test -z "$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 "$GETOPT_H"; then + AC_CHECK_DECL([optreset], [GETOPT_H=getopt.h], [], [#include <getopt.h>]) + fi - dnl Solaris 10 getopt doesn't handle `+' as a leading character in an - dnl option string (as of 2005-05-05). - if test -z "$GETOPT_H"; then - AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt], + dnl Solaris 10 getopt doesn't handle `+' as a leading character in an + dnl option string (as of 2005-05-05). + if test -z "$GETOPT_H"; then + AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt], [AC_RUN_IFELSE( - [AC_LANG_PROGRAM([#include <getopt.h>], + [AC_LANG_PROGRAM([#include <getopt.h>], [[ char *myargv[3]; myargv[0] = "conftest"; myargv[1] = "-+"; myargv[2] = 0; return getopt (2, myargv, "+a") != '?'; - ]])], - [gl_cv_func_gnu_getopt=yes], - [gl_cv_func_gnu_getopt=no], - [dnl cross compiling - pessimistically guess based on decls - dnl Solaris 10 getopt doesn't handle `+' as a leading character in an - dnl option string (as of 2005-05-05). - AC_CHECK_DECL([getopt_clip], + ]])], + [gl_cv_func_gnu_getopt=yes], + [gl_cv_func_gnu_getopt=no], + [dnl cross compiling - pessimistically guess based on decls + dnl Solaris 10 getopt doesn't handle `+' as a leading character in an + dnl option string (as of 2005-05-05). + AC_CHECK_DECL([getopt_clip], [gl_cv_func_gnu_getopt=no], [gl_cv_func_gnu_getopt=yes], [#include <getopt.h>])])]) - if test "$gl_cv_func_gnu_getopt" = "no"; then - GETOPT_H=getopt.h - fi - fi - - if test -n "$GETOPT_H"; then - gl_GETOPT_SUBSTITUTE + if test "$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], [:]) |