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Diffstat (limited to 'sysdeps/i386/i686/nptl/Makefile')
| -rw-r--r-- | sysdeps/i386/i686/nptl/Makefile | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/nptl/Makefile b/sysdeps/i386/i686/nptl/Makefile new file mode 100644 index 0000000000..8f42463a9b --- /dev/null +++ b/sysdeps/i386/i686/nptl/Makefile @@ -0,0 +1,31 @@ +# Copyright (C) 2003-2014 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, see +# <http://www.gnu.org/licenses/>. + +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 |