[Mesa-dev] [PATCH] docs/autoconf: mention CC/CXX when doing multilib builds

[Emil Velikov]

Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
---

Unless someone object I would like to squash this patch with the
previous one.

-Emil 

 docs/autoconf.html | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/docs/autoconf.html b/docs/autoconf.html
index f27838f..c225659 100644
--- a/docs/autoconf.html
+++ b/docs/autoconf.html
@@ -141,14 +141,26 @@ assembly will not be used.</p>
 <dt><code>--host=</code></dt>
 <dd><p>By default, the build will compile code for the architecture that
 it's running on. In order to build Mesa on a x64-86 machine that is to run
-on a i686, one would need to set the options to:
+on a i686, one would need to set the options to:</p>
 
 <p><code>--build=i686-pc-linux-gnu --host=i686-pc-linux-gnu</code></p>
 
 Note that these can vary from distribution to distribution. For more
 information check with the
 <a href="https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.69/html_node/Specifying-Target-Triplets.html">
-autoconf manual</a>.</p>
+autoconf manual</a>.
+
+
+<p>In some cases a single compiler is capable of handling both architectures
+in that case one would need to set the <code>CC,CXX</code> variables
+appending the correct machine options. Seek your compiler documentation for
+further information -
+<a href="https://gcc.gnu.org/onlinedocs/gcc/Submodel-Options.html"> gcc
+machine dependent options</a></p>
+
+<p>The following is the complete setup needed to compile on my Archlinux setup</p>
+
+<code>./configure CC="gcc -m32" CXX="g++ -m32" --build=i686-unknown-linux-gnu --host=i686-unknown-linux-gnu ...</code>
 </dd>
 </dl>
 
-- 
2.0.2