src_name=mesa
git_commit=7346933fc8616ec2adc9848d267cee873f2eabb8
git_url0=git://anongit.freedesktop.org/mesa/$src_name

pkg_dir=$pkgs_dir_root/$pkg_name
src_dir=$src_dir_root/$src_name
rm -Rf $pkg_dir
mkdir -p $pkgs_dir_root
cp -r $src_dir $pkg_dir

#-------------------------------------------------------------------------------

cd $pkg_dir

git checkout --force $git_commit
git reset --hard

# copy the canonical lean build scripts
cp -r $nyan_root/builders/$pkg_name/contrib .

#-------------------------------------------------------------------------------

build_dir=$builds_dir_root/$pkg_name
rm -Rf $build_dir
mkdir -p $build_dir
cd $build_dir

# create the local configuration file
cat >$build_dir/local_conf.sh <<EOF
prefix=$x86_prefix
sysconfdir=$x86_prefix/etc
datadir=$x86_prefix/share
libdir=$x86_prefix/lib
incdir=$x86_prefix/include
dri_driver_search_dir=$x86_prefix/lib/dri
cco_slib="$x86_target_gnu_triple-gcc -fvisibility=hidden -static-libgcc -pipe -fPIC -std=c99 -c"
cxxo_slib="$x86_target_gnu_triple-g++ -fvisibility=hidden -static-libgcc -static-libstdc++ -std=c++14 -fno-rtti -pipe -fPIC -c"


# external deps


linux_drm_cppflags=-I$x86_prefix/devel/include-linux/drm

libdrm_cppflags="-I$x86_prefix/include -DHAVE_LIBDRM=1"
libdrm_ldflags=$x86_prefix/lib/libdrm.so

libdrm_amdgpu_cppflags=-I$x86_prefix/include/libdrm
libdrm_amdgpu_ldflags=$x86_prefix/lib/libdrm_amdgpu.so

libdrm_radeon_cppflags=-I$x86_prefix/include/libdrm
libdrm_radeon_ldflags=$x86_prefix/lib/libdrm_radeon.so


libelf_cppflags="\
-I$x86_prefix/devel/include/libelf \
-I$x86_prefix/devel/include \
"
libelf_archives=libelf.a
libelf_ldflags=$x86_prefix/devel/lib/\$libelf_archives

zlib_cppflags="-I$x86_prefix/devel/include -DHAVE_ZLIB=1"
zlib_archives=libz.a
zlib_ldflags=$x86_prefix/devel/lib/\$zlib_archives

expat_cppflags=-I$x86_prefix/devel/include
expat_archives=libexpat.a
expat_ldflags=$x86_prefix/devel/lib/\$expat_archives

libx11_cppflags=-I$x86_prefix/include
libx11_ldflags="\
$x86_prefix/lib/libX11.so \
$x86_prefix/lib/libX11-xcb.so \
"

libxext_cppflags=-I$x86_prefix/include
libxext_ldflags=$x86_prefix/lib/libXext.so

libxcb_cppflags=-I$x86_prefix/include
libxcb_ldflags="\
$x86_prefix/lib/libxcb.so \
$x86_prefix/lib/libxcb-glx.so \
$x86_prefix/lib/libxcb-present.so \
$x86_prefix/lib/libxcb-dri3.so \
$x86_prefix/lib/libxcb-dri2.so \
$x86_prefix/lib/libxcb-sync.so \
$x86_prefix/lib/libxcb-xfixes.so \
$x86_prefix/lib/libxcb-shm.so \
"

libxshmfence_cppflags=-I$x86_prefix/include
libxshmfence_ldflags=$x86_prefix/lib/libxshmfence.so

libxxf86vm_cppflags=-I$x86_prefix/include
libxxf86vm_ldflags=$x86_prefix/lib/libXxf86vm.so

libxfixes_cppflags=-I$x86_prefix/include
libxfixes_ldflags=$x86_prefix/lib/libXfixes.so

libxdamage_cppflags=-I$x86_prefix/include
libxdamage_ldflags=$x86_prefix/lib/libXdamage.so

llvm_cppflags="-I$x86_prefix/devel/llvm/include -DLLVM_AVAILABLE \
-DHAVE_LLVM=0x0b00 -DMESA_LLVM_VERSION_STRING=\"12.0.0git\""
llvm_ldflags="\
-Wl,--start-group \
$x86_prefix/devel/llvm/lib/libLLVMRemarks.a \
$x86_prefix/devel/llvm/lib/libLLVMObjectYAML.a \
$x86_prefix/devel/llvm/lib/libLLVMScalarOpts.a \
$x86_prefix/devel/llvm/lib/libLLVMInterpreter.a \
$x86_prefix/devel/llvm/lib/libLLVMLineEditor.a \
$x86_prefix/devel/llvm/lib/libLLVMTransformUtils.a \
$x86_prefix/devel/llvm/lib/libLLVMCodeGen.a \
$x86_prefix/devel/llvm/lib/libLLVMDebugInfoMSF.a \
$x86_prefix/devel/llvm/lib/libLLVMProfileData.a \
$x86_prefix/devel/llvm/lib/libLLVMLTO.a \
$x86_prefix/devel/llvm/lib/libLLVMFuzzMutate.a \
$x86_prefix/devel/llvm/lib/libLLVMCoroutines.a \
$x86_prefix/devel/llvm/lib/libLLVMSymbolize.a \
$x86_prefix/devel/llvm/lib/libLLVMBinaryFormat.a \
$x86_prefix/devel/llvm/lib/libLLVMInstCombine.a \
$x86_prefix/devel/llvm/lib/libLLVMLinker.a \
$x86_prefix/devel/llvm/lib/libLLVMMCJIT.a \
$x86_prefix/devel/llvm/lib/libLLVMAsmPrinter.a \
$x86_prefix/devel/llvm/lib/libLLVMDlltoolDriver.a \
$x86_prefix/devel/llvm/lib/libLLVMVectorize.a \
$x86_prefix/devel/llvm/lib/libLLVMLibDriver.a \
$x86_prefix/devel/llvm/lib/libLLVMBitWriter.a \
$x86_prefix/devel/llvm/lib/libLLVMOrcJIT.a \
$x86_prefix/devel/llvm/lib/libLLVMipo.a \
$x86_prefix/devel/llvm/lib/libLLVMAsmParser.a \
$x86_prefix/devel/llvm/lib/libLLVMObjCARCOpts.a \
$x86_prefix/devel/llvm/lib/libLLVMObject.a \
$x86_prefix/devel/llvm/lib/libLLVMAnalysis.a \
$x86_prefix/devel/llvm/lib/libLLVMAMDGPUInfo.a \
$x86_prefix/devel/llvm/lib/libLLVMAMDGPUAsmParser.a \
$x86_prefix/devel/llvm/lib/libLLVMExecutionEngine.a \
$x86_prefix/devel/llvm/lib/libLLVMAMDGPUCodeGen.a \
$x86_prefix/devel/llvm/lib/libLLVMMCParser.a \
$x86_prefix/devel/llvm/lib/libLLVMDemangle.a \
$x86_prefix/devel/llvm/lib/libLLVMCoverage.a \
$x86_prefix/devel/llvm/lib/libLLVMBitReader.a \
$x86_prefix/devel/llvm/lib/libLLVMBitstreamReader.a \
$x86_prefix/devel/llvm/lib/libLLVMWindowsManifest.a \
$x86_prefix/devel/llvm/lib/libLLVMDebugInfoPDB.a \
$x86_prefix/devel/llvm/lib/libLLVMDebugInfoDWARF.a \
$x86_prefix/devel/llvm/lib/libLLVMDebugInfoCodeView.a \
$x86_prefix/devel/llvm/lib/libLLVMAMDGPUDesc.a \
$x86_prefix/devel/llvm/lib/libLLVMMIRParser.a \
$x86_prefix/devel/llvm/lib/libLLVMCore.a \
$x86_prefix/devel/llvm/lib/libLLVMAggressiveInstCombine.a \
$x86_prefix/devel/llvm/lib/libLLVMInstrumentation.a \
$x86_prefix/devel/llvm/lib/libLLVMMC.a \
$x86_prefix/devel/llvm/lib/libLLVMOption.a \
$x86_prefix/devel/llvm/lib/libLLVMTableGen.a \
$x86_prefix/devel/llvm/lib/libLLVMSelectionDAG.a \
$x86_prefix/devel/llvm/lib/libLLVMAMDGPUUtils.a \
$x86_prefix/devel/llvm/lib/libLLVMMCDisassembler.a \
$x86_prefix/devel/llvm/lib/libLLVMPasses.a \
$x86_prefix/devel/llvm/lib/libLLVMIRReader.a \
$x86_prefix/devel/llvm/lib/libLLVMGlobalISel.a \
$x86_prefix/devel/llvm/lib/libLLVMSupport.a \
$x86_prefix/devel/llvm/lib/libLLVMXRay.a \
$x86_prefix/devel/llvm/lib/libLLVMTarget.a \
$x86_prefix/devel/llvm/lib/libLLVMAMDGPUDisassembler.a \
$x86_prefix/devel/llvm/lib/libLLVMRuntimeDyld.a \
$x86_prefix/devel/llvm/lib/libLLVMTextAPI.a \
-Wl,--end-group \
"


# linking commands


libglapi_link_cmd="\
$x86_target_gnu_triple-gcc -o \\\$build_dir/install_root\\\$libdir/libglapi.so.0.0.0 -Wl,-soname=libglapi.so.0 \
-B$x86_prefix/lib -L$x86_prefix/lib \
-shared -static-libgcc \
-Wl,--no-undefined,--gc-sections \
	\\\$libglapi_slib \
	\
	\\\$external_deps_static_ldflags \
	-Wl,--exclude-libs,\\\$external_deps_archives \
	\
	-Wl,--as-needed \
	\\\$external_deps_ldflags \
	\\\$glibc_ldflags \
	-Wl,--no-as-needed \
"

libgl_link_cmd="\
$x86_target_gnu_triple-g++ -o \\\$build_dir/install_root\\\$libdir/libGL.so.1.2.0 -Wl,-soname=libGL.so.1 \
-B$x86_prefix/lib -L$x86_prefix/lib \
-shared -static-libgcc -static-libstdc++ \
-Wl,--no-undefined,--gc-sections,-Bsymbolic \
	-Wl,--whole-archive \
	\\\$build_dir/libglx.a \
	-Wl,--no-whole-archive \
	\\\$build_dir/libglapi_static.a \
	\\\$build_dir/libloader.a \
	\\\$build_dir/libloader_dri3_helper.a \
\
	\\\$build_dir/libxmlconfig.a \
	\\\$build_dir/libmesa_util.a \
\
	\\\$external_deps_static_ldflags \
	-Wl,--exclude-libs,\\\$external_deps_archives:libstdc++.a \
\
	-Wl,--as-needed \
	\\\$build_dir/install_root\\\$libdir/libglapi.so.0.0.0 \
	\\\$external_deps_ldflags \
	\\\$glibc_ldflags \
	-Wl,--no-as-needed \
"

gallium_dri_link_cmd="\
$x86_target_gnu_triple-g++ -o \\\$build_dir/install_root\\\$dri_driver_search_dir/radeonsi_dri.so -Wl,-soname=gallium_dri.so \
-B$x86_prefix/lib -L$x86_prefix/lib \
-shared -static-libgcc -static-libstdc++ \
-Wl,--version-script=\\\$src_dir/src/gallium/targets/dri/dri.sym \
-Wl,--no-undefined,--gc-sections \
	\\\$build_dir/gallium/targets/dri/target.o \
\
	-Wl,--start-group \
	\\\$build_dir/libmesa_gallium.a \
	\\\$build_dir/libglsl.a \
	\\\$build_dir/libglcpp.a \
	\\\$build_dir/libnir.a \
	\\\$build_dir/libcompiler.a \
\
	\\\$build_dir/libdricommon.a \
	\\\$build_dir/libmegadriver_stub.a \
	\\\$build_dir/libdri.a \
	\\\$build_dir/libgallium.a \
	\\\$build_dir/libgalliumvl.a \
\
	\\\$build_dir/libpipe_loader_static.a \
	\\\$build_dir/libloader.a \
	\\\$build_dir/libxmlconfig.a \
\
	\\\$build_dir/libradeonsi.a \
	\\\$build_dir/libmesa_util.a \
	\\\$build_dir/libwinsys_amdgpu_drm.a \
	\\\$build_dir/libaddrlib.a \
	\\\$build_dir/libamd_llvm.a \
	\\\$build_dir/libamd_common.a \
	-Wl,--end-group \
\
	\\\$external_deps_static_ldflags \
	-Wl,--exclude-libs,\\\$external_deps_archives:\\\$llvm_archives:libstdc++.a \
\
	-Wl,--as-needed \
	\\\$build_dir/install_root\\\$libdir/libglapi.so.0.0.0 \
	\\\$external_deps_ldflags \
	\\\$glibc_ldflags \
	-Wl,--no-as-needed"
EOF
#-------------------------------------------------------------------------------

OLD_PATH=$PATH
export PATH=$x86_cross_toolchain_dir_root/bin:$PATH

$pkg_dir/contrib/x86_linux_glibc_amdgpu.sh

export PATH=$OLD_PATH

cp -r $build_dir/install_root/* /

#-------------------------------------------------------------------------------
rm -Rf $build_dir $pkg_dir