see http://bugs.debian.org/391268
For kfreebsd, it seems ok: $ g++ -dumpspecs | grep "*cpp:" -A 1 *cpp: %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT} Petr -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]