From 47be081dc18f47e8b4955721c3db3812adf475d9 Mon Sep 17 00:00:00 2001
From: Marius Mauch <genone@gentoo.org>
Date: Fri, 24 Mar 2006 18:14:00 +0000
Subject: Replacing arch specific make.conf files with patches for the fallback
 make.conf which should be applied in the ebuild. Add a helper script to
 update patches if the main make.conf is changed.

svn path=/main/trunk/; revision=2987
---
 cnf/make.conf.amd64.diff | 61 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 cnf/make.conf.amd64.diff

(limited to 'cnf/make.conf.amd64.diff')

diff --git a/cnf/make.conf.amd64.diff b/cnf/make.conf.amd64.diff
new file mode 100644
index 00000000..397e8cb3
--- /dev/null
+++ b/cnf/make.conf.amd64.diff
@@ -0,0 +1,61 @@
+--- make.conf	2006-03-19 18:40:11.000000000 +0100
++++ make.conf.amd64	2006-03-19 18:26:21.000000000 +0100
+@@ -23,6 +23,11 @@
+ # Example:
+ #USE="X gtk gnome -alsa"
+ 
++# Host Setting
++# ============
++#
++CHOST="x86_64-pc-linux-gnu"
++
+ # Host and optimization settings 
+ # ==============================
+ #
+@@ -33,10 +38,35 @@
+ # package (and in some cases the libraries it uses) at default optimizations
+ # before reporting errors to developers.
+ #
+-# Please refer to the GCC manual for a list of possible values.
++# -mcpu=<cpu-type> means optimize code for the particular type of CPU without
++# breaking compatibility with other CPUs. GCC 3.4 has deprecated support for
++# -mcpu, so use -mtune instead if using this compiler.
++#
++# -march=<cpu-type> means to take full advantage of the ABI and instructions
++# for the particular CPU; this will break compatibility with older CPUs (for
++# example, -march=athlon-xp code will not run on a regular Athlon, and
++# -march=i686 code will not run on a Pentium Classic.)
++#
++# CPU types supported in gcc-3.2 and higher: athlon-xp, athlon-mp,
++# athlon-tbird, athlon, k6, k6-2, k6-3, i386, i486, i586 (Pentium), i686
++# (PentiumPro), pentium, pentium-mmx, pentiumpro, pentium2 (Celeron),
++# pentium3, and pentium4.
++#
++# Note that Gentoo Linux 1.4 and higher include at least gcc-3.2.
++#
++# amd64 CPU types supported in gcc-3.4: athlon64, opteron, k8
++# 
++# CRITICAL WARNINGS: ****************************************************** #
++# K6 markings are deceptive. Avoid setting -march for them. See Bug #24379. #
++# Pentium-M CPU's should not enable sse2 until at least gcc-3.4. Bug 50616. #
++# GCC 3.3 doesnt support an amd64 specific -march setting, use 3.4.         #
++# ************************************************************************* #
+ #
+-#CFLAGS="-O2 -pipe"
++# Decent examples:
+ #
++#CFLAGS="-mtune=k8 -O2 -pipe"
++#CFLAGS="-march=athlon64 -O2 -pipe"
++
+ # If you set a CFLAGS above, then this line will set your default C++ flags to
+ # the same settings.
+ #CXXFLAGS="${CFLAGS}"
+@@ -61,7 +91,7 @@
+ # DO NOT PUT ANYTHING BUT YOUR SPECIFIC ~ARCHITECTURE IN THE LIST.
+ # IF YOU ARE UNSURE OF YOUR ARCH, OR THE IMPLICATIONS, DO NOT MODIFY THIS.
+ #
+-#ACCEPT_KEYWORDS="~arch"
++#ACCEPT_KEYWORDS="~amd64"
+ 
+ # Portage Directories
+ # ===================
-- 
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