X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fargp.m4;h=4445d8e6c31196728043f16e857a65ea0656ab9f;hb=167b0f9c9ca72a4f38ebcd8e3aa35f5f2f2484bf;hp=80cb72f53ed7e672de4329eb439e5f82a04436e9;hpb=8d528238ca72a169673465c17b1e7af749c6e3d3;p=gnulib.git

diff --git a/m4/argp.m4 b/m4/argp.m4
index 80cb72f53..4445d8e6c 100644
--- a/m4/argp.m4
+++ b/m4/argp.m4
@@ -1,5 +1,5 @@
-# argp.m4 serial 8
-dnl Copyright (C) 2003-2007 Free Software Foundation, Inc.
+# argp.m4 serial 14
+dnl Copyright (C) 2003-2013 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.
@@ -9,43 +9,35 @@ AC_DEFUN([gl_ARGP],
   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_MSG_CHECKING([whether program_invocation_name is defined])
+  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_MSG_CHECKING([whether program_invocation_short_name is defined])
+  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])
@@ -63,3 +55,7 @@ AC_DEFUN([gl_ARGP],
   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], [])