diff options
Diffstat (limited to 'm4/getopt.m4')
| -rw-r--r-- | m4/getopt.m4 | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/m4/getopt.m4 b/m4/getopt.m4 index 7a946263558..d90076922b2 100644 --- a/m4/getopt.m4 +++ b/m4/getopt.m4 @@ -1,4 +1,4 @@ -# getopt.m4 serial 44 +# getopt.m4 serial 45 dnl Copyright (C) 2002-2006, 2008-2017 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -33,8 +33,6 @@ AC_DEFUN([gl_FUNC_GETOPT_POSIX], AC_DEFUN([gl_FUNC_GETOPT_GNU], [ m4_divert_text([INIT_PREPARE], [gl_getopt_required=GNU]) - - AC_REQUIRE([gl_FUNC_GETOPT_POSIX]) ]) # Determine whether to replace the entire getopt facility. @@ -354,15 +352,19 @@ dnl is ambiguous with environment values that contain newlines. AC_DEFUN([gl_GETOPT_SUBSTITUTE_HEADER], [ - GETOPT_H=getopt.h + AC_CHECK_HEADERS_ONCE([sys/cdefs.h]) + if test $ac_cv_header_sys_cdefs_h = yes; then + HAVE_SYS_CDEFS_H=1 + else + HAVE_SYS_CDEFS_H=0 + fi + AC_SUBST([HAVE_SYS_CDEFS_H]) + AC_DEFINE([__GETOPT_PREFIX], [[rpl_]], [Define to rpl_ if the getopt replacement functions and variables should be used.]) + GETOPT_H=getopt.h + GETOPT_CDEFS_H=getopt_cdefs.h AC_SUBST([GETOPT_H]) -]) - -# Prerequisites of lib/getopt*. -AC_DEFUN([gl_PREREQ_GETOPT], -[ - AC_CHECK_DECLS_ONCE([getenv]) + AC_SUBST([GETOPT_CDEFS_H]) ]) |