Build fails due to attempting to link with "-lvulkan64"
Tried to make a package for d21cc942 (20.3branchpoint+1393git20201215T060527) but it fails with:
[ 33s] + /usr/bin/meson --buildtype=plain --prefix=/usr --libdir=/usr/lib64 --libexecdir=/usr/libexec --bindir=/usr/bin --sbindir=/usr/sbin --includedir=/usr/include --datadir=/usr/share --mandir=/usr/share/man --infodir=/usr/share/info --localedir=/usr/share/locale --sysconfdir=/etc --localstatedir=/var --sharedstatedir=/var/lib --wrap-mode=nodownload --auto-features=enabled . x86_64-suse-linux --auto-features=disabled -Dzstd=true -Dgles1=false -Dgles2=false -Dopengl=true -Degl=true -Dglx=disabled -Dosmesa=true -Dshared-swr=true -Dplatforms=x11,wayland -Ddri3=true -Dshared-glapi=true -Dlmsensors=true -Dgallium-nine=true -Dopencl-native=true -Dopencl-spirv=true -Dgallium-opencl=icd --sysconfdir=/usr/share -Ddri-search-path=/usr/lib64/dri -Dllvm=true -Dshared-llvm=true -Dgallium-vdpau=true -Dgallium-xvmc=true -Dgallium-xa=true -Dgallium-extra-hud=true -Dvulkan-device-select-layer=true -Dvulkan-overlay-layer=true -Dvulkan-drivers=intel,amd,swrast -Dshader-cache=true -Ddri-drivers=i915,i965,nouveau,r100,r200 -Dgallium-drivers=r300,r600,radeonsi,nouveau,swrast,svga,virgl,iris,zink -Dvalgrind=true -Db_ndebug=true '-Dc_args=-fPIC -O3 -fno-strict-aliasing -I/usr/include/wayland -ftree-parallelize-loops=4 -ftree-vectorize -fvect-cost-model=cheap -fsimd-cost-model=cheap -fpredictive-commoning -fuse-linker-plugin -flto=auto -ffat-lto-objects -flto-odr-type-merging' '-Dcpp_args=-fPIC -O3 -fno-strict-aliasing -I/usr/include/wayland -ftree-parallelize-loops=4 -ftree-vectorize -fvect-cost-model=cheap -fsimd-cost-model=cheap -fpredictive-commoning -fpermissive -fuse-linker-plugin -flto=auto -ffat-lto-objects -flto-odr-type-merging' '-Dld_args=-fPIC -Wl,--gc-sections -Wl,--icf=safe -fuse-ld=gold -Wl,--sort-common -Wl,-O1 -fuse-linker-plugin -flto=auto -ffat-lto-objects -flto-odr-type-merging -fuse-linker-plugin -flto=2'
…
[ 653s] g++ -o src/gallium/targets/dri/libgallium_dri.so src/gallium/targets/dri/libgallium_dri.so.p/target.c.o -I/usr/include/wayland -Wl,--as-needed -Wl,--no-undefined -shared -fPIC -Wl,--start-group -Wl,-soname,libgallium_dri.so -fPIC -O3 -fno-strict-aliasing -ftree-parallelize-loops=4 -ftree-vectorize -fvect-cost-model=cheap -fsimd-cost-model=cheap -fpredictive-commoning -fpermissive -fuse-linker-plugin -flto=auto -ffat-lto-objects -flto-odr-type-merging -fPIC -Wl,--gc-sections -Wl,--icf=safe -fuse-ld=gold -Wl,--sort-common -Wl,-O1 -fuse-linker-plugin -flto=auto -ffat-lto-objects -flto-odr-type-merging -fuse-linker-plugin -flto=2 src/gallium/frontends/dri/libdri.a src/util/libmesa_util.a src/util/format/libmesa_format.a src/mesa/libmesa_gallium.a src/mesa/libmesa_common.a src/compiler/glsl/libglsl.a src/compiler/glsl/glcpp/libglcpp.a src/compiler/nir/libnir.a src/compiler/libcompiler.a src/mesa/libmesa_sse41.a src/mesa/drivers/dri/common/libdricommon.a src/mesa/drivers/dri/common/libmegadriver_stub.a src/gallium/auxiliary/libgalliumvl.a src/gallium/auxiliary/libgallium.a src/mapi/shared-glapi/libglapi.so.0.0.0 src/gallium/auxiliary/pipe-loader/libpipe_loader_static.a src/loader/libloader.a src/util/libxmlconfig.a src/gallium/winsys/sw/null/libws_null.a src/gallium/winsys/sw/wrapper/libwsw.a src/gallium/winsys/sw/dri/libswdri.a src/gallium/winsys/sw/kms-dri/libswkmsdri.a src/gallium/drivers/llvmpipe/libllvmpipe.a src/gallium/drivers/softpipe/libsoftpipe.a src/gallium/drivers/r300/libr300.a src/gallium/winsys/radeon/drm/libradeonwinsys.a src/gallium/drivers/r600/libr600.a src/gallium/drivers/radeonsi/libradeonsi.a src/gallium/winsys/amdgpu/drm/libamdgpuwinsys.a src/amd/addrlib/libaddrlib.a src/amd/common/libamd_common.a src/amd/llvm/libamd_common_llvm.a src/gallium/winsys/nouveau/drm/libnouveauwinsys.a src/gallium/drivers/nouveau/libnouveau.a src/gallium/drivers/svga/libsvga.a src/gallium/winsys/svga/drm/libsvgadrm.a src/gallium/drivers/virgl/libvirgl.a src/gallium/winsys/virgl/drm/libvirgldrm.a src/gallium/winsys/virgl/common/libvirglcommon.a src/gallium/winsys/virgl/vtest/libvirglvtest.a src/gallium/drivers/iris/libiris.a src/gallium/drivers/iris/libiris_gen80.a src/gallium/drivers/iris/libiris_gen90.a src/gallium/drivers/iris/libiris_gen110.a src/gallium/drivers/iris/libiris_gen120.a src/gallium/drivers/iris/libiris_gen125.a src/intel/compiler/libintel_compiler.a src/intel/dev/libintel_dev.a src/intel/isl/libisl.a src/intel/isl/libisl_gen40.a src/intel/isl/libisl_gen50.a src/intel/isl/libisl_gen60.a src/intel/isl/libisl_gen70.a src/intel/isl/libisl_gen75.a src/intel/isl/libisl_gen80.a src/intel/isl/libisl_gen90.a src/intel/isl/libisl_gen110.a src/intel/isl/libisl_gen120.a src/intel/isl/libisl_gen125.a src/intel/isl/libisl_tiled_memcpy.a src/intel/isl/libisl_tiled_memcpy_sse41.a src/intel/blorp/libblorp.a src/intel/perf/libintel_perf.a src/intel/common/libintel_common.a src/gallium/winsys/iris/drm/libiriswinsys.a src/gallium/drivers/zink/libzink.a -Wl,--build-id=sha1 -Wl,--gc-sections -Wl,--version-script '/home/abuild/rpmbuild/BUILD/mesa-20.3~branchpoint+1393~git20201215T060527/src/gallium/targets/dri/dri.sym' -Wl,--dynamic-list '/home/abuild/rpmbuild/BUILD/mesa-20.3~branchpoint+1393~git20201215T060527/src/gallium/targets/dri/../dri-vdpau.dyn' /usr/lib64/libdrm.so -lLLVM -pthread /usr/lib64/libexpat.so /usr/lib64/libz.so -lm /usr/lib64/libzstd.so -ldl /usr/lib64/libunwind.so -lLLVM -lsensors -lLLVM /usr/lib64/libdrm_radeon.so -lLLVM /usr/lib64/libelf.so -lLLVM -lLLVM -lLLVM /usr/lib64/libdrm_amdgpu.so -lLLVM /usr/lib64/libdrm_nouveau.so -lvulkan64 -Wl,--end-group '-Wl,-rpath,$ORIGIN/../../../mapi/shared-glapi' '-Wl,-rpath-link,/home/abuild/rpmbuild/BUILD/mesa-20.3~branchpoint+1393~git20201215T060527/x86_64-suse-linux/src/mapi/shared-glapi'
[ 653s] /usr/bin/ld.gold: error: cannot find -lvulkan64
revision 20.3~branchpoint+1134 did not have this. Naturally, there should be no '64' in this, I've failed to find the part that puts it there.