[Mesa-dev] [Bug 94383] build error on i386 when enabling swr

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94383

--- Comment #4 from Tim Rowley <timothy.o.rowley at intel.com> ---
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.

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