| # Copyright (C) 2003 Free Software Foundation, Inc. |
| # This file is part of the GNU C Library. |
| # Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| |
| # The GNU C Library is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU Lesser General Public |
| # License as published by the Free Software Foundation; either |
| # version 2.1 of the License, or (at your option) any later version. |
| |
| # The GNU C Library is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # Lesser General Public License for more details. |
| |
| # You should have received a copy of the GNU Lesser General Public |
| # License along with the GNU C Library; if not, write to the Free |
| # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| # 02111-1307 USA. |
| |
| ifeq ($(subdir),nptl) |
| # It turns out that stack coloring is in general not good on P4s. Some |
| # applications will benefit. We will probably have a configuration option |
| # at some point. Enabling coloring can be done with |
| # |
| # -DCOLORING_INCREMENT=128 |
| # |
| # What is useful is to avoid the 64k aliasing problem which reliably |
| # happens if all stacks use sizes which are a multiple of 64k. Tell |
| # the stack allocator to disturb this by allocation one more page if |
| # necessary. |
| CFLAGS-pthread_create.c += -DMULTI_PAGE_ALIASING=65536 |
| endif |
