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

[pspp] / m4 / lseek.m4

diff --git a/m4/lseek.m4 b/m4/lseek.m4
index f3084957c186bbac4bc6f4f398a15f5200add6a3..9bf4dc2d046b4536500fd5526f1ab178976b91e1 100644 (file)
--- a/m4/lseek.m4
+++ b/m4/lseek.m4
@@ -1,4 +1,4 @@
-# lseek.m4 serial 4
+# lseek.m4 serial 5
 dnl Copyright (C) 2007, 2009, 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,
@@ -21,7 +21,8 @@ int main ()
 }],
          [if test -s conftest$ac_exeext \
              && ./conftest$ac_exeext < conftest.$ac_ext \
-             && { echo hi | ./conftest$ac_exeext; test $? = 1; }; then
+             && test 1 = "`echo hi \
+               | { ./conftest$ac_exeext; echo $?; cat >/dev/null; }`"; then
             gl_cv_func_lseek_pipe=yes
           else
             gl_cv_func_lseek_pipe=no