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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - build error on i386 when enabling swr"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94383#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - build error on i386 when enabling swr"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94383">bug 94383</a>
from <span class="vcard"><a class="email" href="mailto:timothy.o.rowley@intel.com" title="Tim Rowley <timothy.o.rowley@intel.com>"> <span class="fn">Tim Rowley</span></a>
</span></b>
<pre>Hmm, interesting problem. In drivers/swr/avx[2], we set the compiler code
generation in AM_CXXFLAGS with -march=<appropriate architecture>. This works
fine for normal development building of mesa.
In the distribution build environment, configure is passed a rather extensive
CXXFLAGS, which contains in part "-march=pentium3 -mtune=generic". Automake's
philosophy is that the users' wishes should win out, so CXXFLAGS comes after
AM_CXXFLAGS on the command line and the instruction set is restricted to
pentium3.</pre>
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