-# serial 1
+# serial 4
# See if we need to provide mknod replacement.
-dnl Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2011 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.
AC_CHECK_FUNCS_ONCE([mknod])
if test $ac_cv_func_mknod = no; then
HAVE_MKNOD=0
- AC_LIBOBJ([mknod])
else
dnl Detect BSD bug, where mknod requires root privileges to create fifo.
AC_CACHE_CHECK([whether mknod can create fifo without root privileges],
#include <unistd.h>
]], [[/* Indeterminate for super-user, assume no. Why are you running
configure as root, anyway? */
- if (!geteuid ()) return 1;
+ if (!geteuid ()) return 99;
if (mknod ("conftest.fifo", S_IFIFO | 0600, 0)) return 2;]])],
- [gl_cv_func_mknod_works=yes], [gl_cv_func_mknod_works=no],
+ [gl_cv_func_mknod_works=yes],
+ [if test $? = 99 && test x"$FORCE_UNSAFE_CONFIGURE" = x; then
+ AC_MSG_FAILURE([you should not run configure as root ]dnl
+[(set FORCE_UNSAFE_CONFIGURE=1 in environment to bypass this check)])
+ fi
+ gl_cv_func_mknod_works=no],
[gl_cv_func_mknod_works="guessing no"])
rm -f conftest.fifo])
if test "$gl_cv_func_mknod_works" != yes; then
dnl Systems that mishandle trailing slash on mkfifo also goof on mknod.
if test $REPLACE_MKFIFO = 1 || test "$gl_cv_func_mknod_works" != yes; then
REPLACE_MKNOD=1
- AC_LIBOBJ([mknod])
fi
fi
])