>>> mesa3d 21.0.3 Extracting
xzcat /home/buildroot/autobuild/run/instance-3/dl/mesa3d/mesa-21.0.3.tar.xz | tar --strip-components=1 -C /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3   -xf -
>>> mesa3d 21.0.3 Patching

Applying 0001-c99_math-import-isinf-for-uclibc-based-toolchains.patch using patch: 
patching file include/c99_math.h

Applying 0002-meson-Set-proper-value-for-LIBCLC_INCLUDEDIR.patch using patch: 
patching file src/gallium/frontends/clover/meson.build

Applying 0003-vc4-add-meson-option-to-disable-optional-neon-suppor.patch using patch: 
patching file meson_options.txt
patching file src/gallium/drivers/vc4/meson.build
patching file src/gallium/drivers/vc4/vc4_tiling.h

Applying 0004-src-util-rand_xor-Include-stddef.h-to-fix-build-erro.patch using patch: 
patching file src/util/rand_xor.c
>>> mesa3d 21.0.3 Configuring
rm -rf /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3//build
mkdir -p /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3//build
sed -e 's%@TARGET_CROSS@%/home/buildroot/autobuild/run/instance-3/output-1/host/bin/xtensa-linux-%g' -e 's%@TARGET_ARCH@%xtensa%g' -e 's%@TARGET_CPU@%%g' -e 's%@TARGET_ENDIAN@%little%g' -e "s%@TARGET_CFLAGS@%'-D_LARGEFILE_SOURCE', '-D_LARGEFILE64_SOURCE', '-D_FILE_OFFSET_BITS=64', '-mlongcalls', '-mauto-litpools', '-O2'%g" -e "s%@TARGET_LDFLAGS@%%g" -e "s%@TARGET_CXXFLAGS@%'-D_LARGEFILE_SOURCE', '-D_LARGEFILE64_SOURCE', '-D_FILE_OFFSET_BITS=64', '-mlongcalls', '-mauto-litpools', '-O2'%g" -e 's%@HOST_DIR@%/home/buildroot/autobuild/run/instance-3/output-1/host%g' -e 's%@STAGING_DIR@%/home/buildroot/autobuild/run/instance-3/output-1/host/xtensa-buildroot-linux-uclibc/sysroot%g' -e 's%@STATIC@%false%g' -e "/^\[binaries\]$/s:$::" -e "/^\[properties\]$/s:$::" package/meson/cross-compilation.conf.in > /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3//build/cross-compilation.conf
PATH="/home/buildroot/autobuild/run/instance-3/output-1/host/bin:/home/buildroot/autobuild/run/instance-3/output-1/host/sbin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games" CC_FOR_BUILD="/usr/bin/gcc" CXX_FOR_BUILD="/usr/bin/g++"  PYTHONNOUSERSITE=y /home/buildroot/autobuild/run/instance-3/output-1/host/bin/meson --prefix=/usr --libdir=lib --default-library=shared --buildtype=release --cross-file=/home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3//build/cross-compilation.conf -Dstrip=false -Dbuild.pkg_config_path=/home/buildroot/autobuild/run/instance-3/output-1/host/lib/pkgconfig -Dgallium-omx=disabled -Dpower8=disabled -Dllvm=disabled -Dgallium-opencl=disabled -Dglx=disabled -Dgallium-xa=disabled -Dgallium-vc4-neon=disabled -Dshared-glapi=enabled -Dgallium-drivers=etnaviv,kmsro,panfrost,swrast -Dgallium-extra-hud=true -Ddri3=disabled -Dshared-glapi=enabled -Dglx-direct=true -Ddri-drivers=nouveau -Dvulkan-drivers= -Dosmesa=true -Dopengl=true -Dgallium-va=disabled -Dplatforms= -Dgbm=disabled -Degl=disabled -Dgles1=enabled -Dgles2=enabled -Dgallium-xvmc=disabled -Dvalgrind=disabled -Dlibunwind=disabled -Dgallium-vdpau=disabled -Dlmsensors=disabled -Dzstd=disabled /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3/ /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3//build
WARNING: Unknown CPU family xtensa, please report this at https://github.com/mesonbuild/meson/issues/new
The Meson build system
Version: 0.57.2
Source dir: /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3
Build dir: /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3/build
Build type: cross build
Program python found: YES (/home/buildroot/autobuild/run/instance-3/output-1/host/bin/python)
Project name: mesa
Project version: 21.0.3
C compiler for the host machine: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/xtensa-linux-gcc (gcc 9.3.0 "xtensa-linux-gcc.br_real (Buildroot 2020.08-14-ge5a2a90) 9.3.0")
C linker for the host machine: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/xtensa-linux-gcc ld.bfd 2.33.1
C++ compiler for the host machine: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/xtensa-linux-g++ (gcc 9.3.0 "xtensa-linux-g++.br_real (Buildroot 2020.08-14-ge5a2a90) 9.3.0")
C++ linker for the host machine: /home/buildroot/autobuild/run/instance-3/output-1/host/bin/xtensa-linux-g++ ld.bfd 2.33.1
C compiler for the build machine: /usr/bin/gcc (gcc 4.8.2 "gcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2")
C linker for the build machine: /usr/bin/gcc ld.bfd 2.24
C++ compiler for the build machine: /usr/bin/g++ (gcc 4.8.2 "g++ (Ubuntu 4.8.2-19ubuntu1) 4.8.2")
C++ linker for the build machine: /usr/bin/g++ ld.bfd 2.24
Build machine cpu family: x86_64
Build machine cpu: x86_64
Host machine cpu family: xtensa
Host machine cpu: 
Target machine cpu family: xtensa
Target machine cpu: 
Found CMake: NO
Run-time dependency clang found: NO (tried cmake)

../output-1/build/mesa3d-21.0.3/meson.build:519:4: ERROR: Problem encountered: building dri drivers require at least one windowing system

A full log can be found at /home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3/build/meson-logs/meson-log.txt
make: *** [/home/buildroot/autobuild/run/instance-3/output-1/build/mesa3d-21.0.3/.stamp_configured] Error 1
make: Leaving directory `/home/buildroot/autobuild/run/instance-3/buildroot'