[Bug 64810] EGL/Gles/Weston give segfault on RADEONSI with egl_gallium.so

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64810

--- Comment #16 from tux_mind <massimo.dragano at gmail.com> ---
applied your patch, got a missing mesalibdir error in automake.

added this:
dnl Where to install internal libraries
mesalibdir="\$(libdir)/mesa-${VERSION}"
AC_SUBST([mesalibdir])

to configure.ac to get automake works fine.

after a bit of compiling i get:
libtool: link: x86_64-pc-linux-gnu-gcc -shared  -fPIC -DPIC 
.libs/libllvmradeon9.2.0-rc1_la-radeon_uvd.o
.libs/libllvmradeon9.2.0-rc1_la-radeon_setup_tgsi_llvm.o
.libs/libllvmradeon9.2.0-rc1_la-radeon_llvm_emit.o
.libs/libllvmradeon9.2.0-rc1_la-radeon_llvm_util.o  -Wl,--whole-archive
../../../../src/gallium/auxiliary/.libs/libgallium.a -Wl,--no-whole-archive 
-L/usr/lib64/llvm -lz -lpthread -lffi -ldl -lm -Wl,--as-needed -lrt -lelf 
-march=corei7 -O0 -Wl,--no-undefined -Wl,-R -Wl,/usr/lib64/llvm -Wl,-O1  
-Wl,-soname -Wl,libllvmradeon9.2.0-rc1.so -o .libs/libllvmradeon9.2.0-rc1.so
.libs/libllvmradeon9.2.0-rc1_la-radeon_setup_tgsi_llvm.o: In function
`tgsi2llvmtype':
/var/tmp/portage/media-libs/mesa-9.2.0_rc1/work/Mesa-9.2.0-rc1/src/gallium/drivers/radeon/radeon_llvm.h:139:
undefined reference to `LLVMInt32TypeInContext'

followed by hundreds of:
undefined reference to `LLVM$whatever'

probably it's missing a -lllvm when making the shared object.
but i read that llvm ldflag it's something special and need to be taken from
llvm-config --ldflags output.
after a little search in mesa sources i find that a scons script ( never heard
of this language before ) call env.ParseConfig on llvm-config output:
http://www.scons.org/doc/1.2.0/HTML/scons-user/c1814.html
https://github.com/jobermayr/mesa/blob/master/scons/llvm.py

how can i fix that?
thanks for your support :)

PS: i'm keeping using my dirty-patched version without problems ;)

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