On 10/07/2017 10:53 AM, Marek Olšák wrote:
> Would you please share how you build 32-bit Mesa on Linux. I think it
> would be useful to everybody.
1) Name your build directories e.g. BUILD.x86_64 or BUILD.i686. Put them both
in the same directory.
2) Put -m32 or -m64 in the CFLAGS and CXXFLAGS environment variables when
invoking configure.
3) Set the LLVM_CONFIG environment variable to /usr/bin/llvm-config-32 or -64
when invoking configure
4) Invoke configure as "setarch i686 /path/to/configure" or "setarch x86_64
/path/to/configure"
5) Test binaries with LD_LIBRARY_PATH='/path/to/BUILD.${PLATFORM}/lib'
LIBGL_DRIVERS_PATH='/path/to/BUILD.${PLATFORM}/lib/gallium' /path/to/whatever
The single quotes are important, ${PLATFORM} gets expanded to x86_64 or i686
by ld-linux.so, not the shell.
This allows you to run the Steam client with these variables set and both
32-bit and 64-bit games work automatically.
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