ceil-ieee tests: More tests.

[gnulib.git] / m4 / fdopendir.m4

diff --git a/m4/fdopendir.m4 b/m4/fdopendir.m4
index 25dee3f..2088b11 100644 (file)
--- a/m4/fdopendir.m4
+++ b/m4/fdopendir.m4
@@ -1,7 +1,7 @@
-# serial 7
+# serial 9
 # See if we need to provide fdopendir.
 
-dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2012 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.
@@ -10,7 +10,10 @@ dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_FUNC_FDOPENDIR],
 [
+  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
   dnl FreeBSD 7.3 has the function, but failed to declare it.
   AC_CHECK_DECLS([fdopendir], [], [HAVE_DECL_FDOPENDIR=0], [[
 #include <dirent.h>
@@ -26,7 +29,11 @@ AC_DEFUN([gl_FUNC_FDOPENDIR],
 #include <fcntl.h>
 #include <unistd.h>
 #if !HAVE_DECL_FDOPENDIR
-extern DIR *fdopendir (int);
+extern
+# ifdef __cplusplus
+"C"
+# endif
+DIR *fdopendir (int);
 #endif
 ]], [int result = 0;
      int fd = open ("conftest.c", O_RDONLY);