>>> mesa3d 20.1.4 Extracting
xzcat /home/buildroot/autobuild/instance-1/dl/mesa3d/mesa-20.1.4.tar.xz | tar --strip-components=1 -C /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4   -xf -
>>> mesa3d 20.1.4 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/state_trackers/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
>>> mesa3d 20.1.4 Configuring
rm -rf /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4//build
mkdir -p /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4//build
sed -e 's%@TARGET_CROSS@%/home/buildroot/autobuild/instance-1/output-1/host/bin/x86_64-amd-linux-gnu-%g' -e 's%@TARGET_ARCH@%x86_64%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', '-Os', '-D_FORTIFY_SOURCE=2'%g" -e "s%@TARGET_LDFLAGS@%%g" -e "s%@TARGET_CXXFLAGS@%'-D_LARGEFILE_SOURCE', '-D_LARGEFILE64_SOURCE', '-D_FILE_OFFSET_BITS=64', '-Os', '-D_FORTIFY_SOURCE=2'%g" -e 's%@HOST_DIR@%/home/buildroot/autobuild/instance-1/output-1/host%g' -e 's%@STAGING_DIR@%/home/buildroot/autobuild/instance-1/output-1/host/x86_64-buildroot-linux-gnu/sysroot%g' -e 's%@STATIC@%false%g' -e "/^\[binaries\]$/s:$::" -e "/^\[properties\]$/s:$::" package/meson/cross-compilation.conf.in > /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4//build/cross-compilation.conf
PATH="/home/buildroot/autobuild/instance-1/output-1/host/bin:/home/buildroot/autobuild/instance-1/output-1/host/sbin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"  PYTHONNOUSERSITE=y /home/buildroot/autobuild/instance-1/output-1/host/bin/meson --prefix=/usr --libdir=lib --default-library=shared --buildtype=release --cross-file=/home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4//build/cross-compilation.conf -Dbuild.pkg_config_path=/home/buildroot/autobuild/instance-1/output-1/host/lib/pkgconfig -Dgallium-omx=disabled -Dpower8=false -Dllvm=false -Dgallium-opencl=disabled -Dglx=disabled -Dgallium-xa=false -Dgallium-vc4-neon=disabled -Dshared-glapi=true -Dgallium-drivers=nouveau,swrast,tegra,virgl -Dgallium-extra-hud=true -Ddri3=true -Dshared-glapi=true -Dglx-direct=true -Ddri-drivers=i915,i965,nouveau -Ddri3=true -Dvulkan-drivers=intel -Dosmesa=classic -Dopengl=true -Dgallium-va=false -Dplatforms=wayland,drm,surfaceless -Dgbm=true -Degl=true -Dgles1=true -Dgles2=true -Dgallium-xvmc=true -Dvalgrind=false -Dlibunwind=false -Dgallium-vdpau=false -Dlmsensors=true -Dzstd=false /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4/ /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4//build
The Meson build system
Version: 0.55.0
Source dir: /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4
Build dir: /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4/build
Build type: cross build
Program python found: YES
Project name: mesa
Project version: 20.1.4
C compiler for the build machine: cc (gcc 6.3.0 "cc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516")
C linker for the build machine: cc ld.bfd 2.28
C++ compiler for the build machine: c++ (gcc 6.3.0 "c++ (Debian 6.3.0-18+deb9u1) 6.3.0 20170516")
C++ linker for the build machine: c++ ld.bfd 2.28
C compiler for the host machine: /home/buildroot/autobuild/instance-1/output-1/host/bin/x86_64-amd-linux-gnu-gcc (gcc 6.2.0 "x86_64-amd-linux-gnu-gcc (Sourcery CodeBench Lite 2016.11-19) 6.2.0")
C linker for the host machine: /home/buildroot/autobuild/instance-1/output-1/host/bin/x86_64-amd-linux-gnu-gcc ld.bfd 2.26.51
C++ compiler for the host machine: /home/buildroot/autobuild/instance-1/output-1/host/bin/x86_64-amd-linux-gnu-g++ (gcc 6.2.0 "x86_64-amd-linux-gnu-g++ (Sourcery CodeBench Lite 2016.11-19) 6.2.0")
C++ linker for the host machine: /home/buildroot/autobuild/instance-1/output-1/host/bin/x86_64-amd-linux-gnu-g++ ld.bfd 2.26.51
Build machine cpu family: x86_64
Build machine cpu: x86_64
Host machine cpu family: x86_64
Host machine cpu: 
Target machine cpu family: x86_64
Target machine cpu: 

../output-1/build/mesa3d-20.1.4/meson.build:510:4: ERROR: Problem encountered: XVMC state tracker requires X11 support.

A full log can be found at /home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4/build/meson-logs/meson-log.txt
package/pkg-generic.mk:231: recipe for target '/home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4/.stamp_configured' failed
make: *** [/home/buildroot/autobuild/instance-1/output-1/build/mesa3d-20.1.4/.stamp_configured] Error 1
make: Leaving directory '/home/buildroot/autobuild/instance-1/buildroot'