X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fargp.m4;h=723a7e619108863af4f6814c2f84c31098c1fbb4;hb=cd56634a4a8179fd5a4419fbb3e27211b042ab1c;hp=819425bbb73bac8bd659edfb272be20ab1ab865f;hpb=8d8eda4eab3d2801251daf4eb31756c3595e2fc6;p=gnulib.git

diff --git a/m4/argp.m4 b/m4/argp.m4
index 819425bbb..723a7e619 100644
--- a/m4/argp.m4
+++ b/m4/argp.m4
@@ -1,5 +1,5 @@
-# argp.m4 serial 10
-dnl Copyright (C) 2003-2007, 2009-2010 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.
@@ -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_REPLACE_GETOPT
-  dnl Note: gl_REPLACE_GETOPT 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])
@@ -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], [])