gettimeofday: port recent C++ fix to Emacs

[gnulib.git] / m4 / execute.m4

diff --git a/m4/execute.m4 b/m4/execute.m4
index ed01054..0b0836d 100644 (file)
--- a/m4/execute.m4
+++ b/m4/execute.m4
@@ -1,17 +1,11 @@
-# execute.m4 serial 1
-dnl Copyright (C) 2003 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
+# execute.m4 serial 5
+dnl Copyright (C) 2003, 2008-2013 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.
 
 AC_DEFUN([gl_EXECUTE],
 [
   dnl Prerequisites of lib/execute.c.
-  AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([AC_TYPE_MODE_T])
-  AC_CHECK_HEADERS_ONCE(unistd.h)
-  AC_REQUIRE([AC_FUNC_FORK])
-  AC_CHECK_FUNCS(posix_spawn)
 ])