X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fftello.m4;h=599f8f204734bff5684ede8de65878023481d19f;hb=2f0357585d836b7349192ea4276b78adfd551cbc;hp=ae9a4e61380b65ec6fb1534d69c88d94bc232382;hpb=55ca839ef4bfcf78114ef277c618385b521a5f5c;p=gnulib.git

diff --git a/m4/ftello.m4 b/m4/ftello.m4
index ae9a4e613..599f8f204 100644
--- a/m4/ftello.m4
+++ b/m4/ftello.m4
@@ -1,5 +1,5 @@
-# ftello.m4 serial 7
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# ftello.m4 serial 9
+dnl Copyright (C) 2007-2011 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.
@@ -13,10 +13,19 @@ AC_DEFUN([gl_FUNC_FTELLO],
   dnl Persuade glibc <stdio.h> to declare ftello().
   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
 
+  AC_CHECK_DECLS_ONCE([ftello])
+  if test $ac_cv_have_decl_ftello = no; then
+    HAVE_DECL_FTELLO=0
+  fi
+
   AC_CACHE_CHECK([for ftello], [gl_cv_func_ftello],
     [
-      AC_TRY_LINK([#include <stdio.h>], [ftello (stdin);],
-        [gl_cv_func_ftello=yes], [gl_cv_func_ftello=no])
+      AC_LINK_IFELSE(
+        [AC_LANG_PROGRAM(
+           [[#include <stdio.h>]],
+           [[ftello (stdin);]])],
+        [gl_cv_func_ftello=yes],
+        [gl_cv_func_ftello=no])
     ])
   if test $gl_cv_func_ftello = no; then
     HAVE_FTELLO=0
@@ -43,7 +52,8 @@ changequote(,)dnl
             *)        gl_cv_func_ftello_works="guessing yes" ;;
           esac
 changequote([,])dnl
-          AC_TRY_RUN([
+          AC_RUN_IFELSE(
+            [AC_LANG_SOURCE([[
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -100,7 +110,9 @@ main (void)
   /* The file's contents is now "foogarsh!".  */
 
   return 0;
-}], [gl_cv_func_ftello_works=yes], [gl_cv_func_ftello_works=no], [:])
+}]])],
+            [gl_cv_func_ftello_works=yes],
+            [gl_cv_func_ftello_works=no], [:])
         ])
       case "$gl_cv_func_ftello_works" in
         *yes) ;;