-# argp.m4 serial 9
-dnl Copyright (C) 2003-2007, 2009 Free Software Foundation, Inc.
+# argp.m4 serial 14
+dnl Copyright (C) 2003-2014 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.
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([AC_C_RESTRICT])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
- dnl argp-parse.c depends on GNU getopt internals, therefore use GNU getopt
- dnl always.
- gl_GETOPT_SUBSTITUTE
- dnl Note: gl_GETOPT_SUBSTITUTE does AC_LIBOBJ([getopt]), AC_LIBOBJ([getopt1]).
- AC_CHECK_DECL([program_invocation_name],
- [AC_DEFINE([HAVE_DECL_PROGRAM_INVOCATION_NAME], [1],
- [Define if program_invocation_name is declared])],
- [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_NAME], [1],
- [Define to 1 to add extern declaration of program_invocation_name to argp.h])],
- [#include <errno.h>])
- AC_CHECK_DECL([program_invocation_short_name],
- [AC_DEFINE([HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME], [1],
- [Define if program_invocation_short_name is declared])],
- [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_SHORT_NAME], [1],
- [Define to 1 to add extern declaration of program_invocation_short_name to argp.h])],
- [#include <errno.h>])
+ AC_CHECK_DECLS([program_invocation_name], [],
+ [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_NAME], [1],
+ [Define to 1 to add extern declaration of program_invocation_name to argp.h])],
+ [[#include <errno.h>]])
+ AC_CHECK_DECLS([program_invocation_short_name], [],
+ [AC_DEFINE([GNULIB_PROGRAM_INVOCATION_SHORT_NAME], [1],
+ [Define to 1 to add extern declaration of program_invocation_short_name to argp.h])],
+ [[#include <errno.h>]])
# Check if program_invocation_name and program_invocation_short_name
# are defined elsewhere. It is improbable that only one of them will
# be defined and other not, I prefer to stay on the safe side and to
# test each one separately.
AC_MSG_CHECKING([whether program_invocation_name is defined])
- AC_TRY_LINK([#include <argp.h>],
- [ program_invocation_name = "test"; ],
- [ AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
- [Define if program_invocation_name is defined])
- AC_MSG_RESULT([yes])],
- [ AC_MSG_RESULT([no])] )
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <argp.h>]],
+ [[program_invocation_name = "test";]])],
+ [AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
+ [Define if program_invocation_name is defined])
+ AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])])
AC_MSG_CHECKING([whether program_invocation_short_name is defined])
- AC_TRY_LINK([#include <argp.h>],
- [ program_invocation_short_name = "test"; ],
- [ AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1],
- [Define if program_invocation_short_name is defined])
- AC_MSG_RESULT([yes])],
- [ AC_MSG_RESULT([no])] )
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <argp.h>]],
+ [[program_invocation_short_name = "test";]])],
+ [AC_DEFINE([HAVE_PROGRAM_INVOCATION_SHORT_NAME], [1],
+ [Define if program_invocation_short_name is defined])
+ AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])])
AC_CHECK_DECLS_ONCE([clearerr_unlocked])
AC_CHECK_DECLS_ONCE([feof_unlocked])
AC_CHECK_FUNCS_ONCE([flockfile funlockfile])
AC_CHECK_HEADERS_ONCE([features.h linewrap.h])
])
+
+dnl argp-parse.c depends on GNU getopt internals, therefore use GNU getopt
+dnl always.
+AC_DEFUN([gl_REPLACE_GETOPT_ALWAYS], [])