gnulib-common.m4: make glibc write diagnostics to stderr, not /dev/tty

[pspp] / m4 / setenv.m4

diff --git a/m4/setenv.m4 b/m4/setenv.m4
index ae4dd863fc4574401dd4e22b5c3c9a585fd37dbb..58f6d1382cf6e4509102ecd27db910eb6b5a1e18 100644 (file)
--- a/m4/setenv.m4
+++ b/m4/setenv.m4
@@ -1,4 +1,4 @@
-# setenv.m4 serial 15
+# setenv.m4 serial 16
 dnl Copyright (C) 2001-2004, 2006-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -25,6 +25,7 @@ AC_DEFUN([gl_FUNC_SETENV_SEPARATE],
       [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
        #include <stdlib.h>
        #include <errno.h>
+       #include <string.h>
       ]], [[
        if (setenv ("", "", 0) != -1) return 1;
        if (errno != EINVAL) return 2;