#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# vulkan-sdk.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2016, 2017  Heinz Wiesinger, Amsterdam, The Netherlands
# Copyright 2016-2026  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Allow build to use CMake 4.x:
export CMAKE_POLICY_VERSION_MINIMUM=3.5

# Choose a compiler (gcc/g++ or clang/clang++ if you'd like to debug that ;-)
export CC=${CC:-gcc}
export CXX=${CXX:-g++}

export LD_LIBRARY_PATH=$PKG/usr/lib$LIBDIRSUFFIX

# Versions of bundled packages and names of source archives.
# To save on maintenance, and since we carry the same versions as x86 Slackware,
# let's pull details from the x86 trunk:
# cd in to the Slackware x86 src tree to obtain version numbers from src file names:
slack_setvarfromupstream \
   GLSLANG_VERSION \
   SPIRV_HEADERS_VERSION \
   SPIRV_TOOLS_VERSION \
   VULKAN_HEADERS_VERSION \
   VULKAN_LOADER_VERSION \
   VULKAN_VALIDATIONLAYERS_VERSION \
   ROBIN_HOOD_VERSION \
   VULKAN_EXTENSIONLAYER_VERSION \
   VULKAN_TOOLS_VERSION \
   VULKANTOOLS_VERSION \
   SHADERC_VERSION \
   SPIRV_CROSS_VERSION \
   GFXRECONSTRUCT_VERSION \
   DXC_VERSION \
   SPIRV_REFLECT_VERSION \
   VULKAN_PROFILES_VERSION \
   VOLK_VERSION \
   VULKAN_UTILITY_LIBRARIES_VERSION \
   VULKAN_CAPS_VIEWER_VERSION \
   VULKAN_MEMORY_ALLOCATOR_VERSION \
   VALIJSON_VERSION \
   JSONCPP_VERSION

########################################################
echo "##### Build SPIRV-Headers #####"
cd $TMPBUILD
tar xf $CWD/SPIRV-Headers-$SPIRV_HEADERS_VERSION.tar.?z || exit 1
cd SPIRV-Headers-$SPIRV_HEADERS_VERSION
slackhousekeeping
mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DCMAKE_BUILD_TYPE=Release \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall

########################################################
echo "##### Build gslang-vulkan-sdk #####"
cd $TMPBUILD
tar xf $CWD/glslang-vulkan-sdk-${GLSLANG_VERSION}.tar.?z || exit 1
cd glslang-vulkan-sdk-$GLSLANG_VERSION/External
tar xf $CWD/SPIRV-Tools-vulkan-sdk-$SPIRV_TOOLS_VERSION.tar.?z || exit 1
mv SPIRV-Tools-vulkan-sdk-$SPIRV_TOOLS_VERSION spirv-tools
cd spirv-tools/external
tar xf $CWD/SPIRV-Headers-$SPIRV_HEADERS_VERSION.tar.?z || exit 1
mv SPIRV-Headers-$SPIRV_HEADERS_VERSION spirv-headers

cd $TMPBUILD/glslang-vulkan-sdk-${GLSLANG_VERSION}

slackhousekeeping

mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DCMAKE_BUILD_TYPE=Release \
   -DBUILD_SHARED_LIBS=On \
   -DSPIRV_TOOLS_BUILD_STATIC=Off \
   -DENABLE_OPT=Off \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall

########################################################
echo "##### Build Vulkan Headers SDK #####"
cd $TMPBUILD

tar xf $CWD/Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION.tar.?z || exit 1
cd Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION

slackhousekeeping
cmake -G Ninja -B build \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr\
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DCMAKE_BUILD_TYPE=Release \
   . || failconfig
cmake --build build || failmake
DESTDIR=$PKG cmake --install build || failinstall

########################################################
echo "##### Build Vulkan-Loader-sdk #####"
cd $TMPBUILD

tar xf $CWD/Vulkan-Loader-vulkan-sdk-$VULKAN_LOADER_VERSION.tar.?z || exit 1
cd Vulkan-Loader-vulkan-sdk-$VULKAN_LOADER_VERSION

slackhousekeeping
mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DVULKAN_HEADERS_INSTALL_DIR=$PKG/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DBUILD_WSI_WAYLAND_SUPPORT=On \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall

#####################################################################
# Note: the use of $TMPBUILD for this and Vulkan-ValidationLayers-sdk
# below.
#####################################################################
if ls $CWD/robin-hood-hashing-*.tar.?z 1>/dev/null 2>&1 && [ -n "$ROBIN_HOOD_VERSION" ]; then
echo "##### Build robin-hood-hashing #####"
cd $TMPBUILD
tar xf $CWD/robin-hood-hashing-$ROBIN_HOOD_VERSION.tar.?z || exit 1
cd robin-hood-hashing-$ROBIN_HOOD_VERSION

slackhousekeeping
mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DRH_STANDALONE_PROJECT="OFF" \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$TMPBUILD/robin-hood-hashing-$ROBIN_HOOD_VERSION/build/install || exit 1
fi

########################################################
echo "##### Build Vulkan-Utility-Libraries #####"
cd $TMPBUILD
tar xf $CWD/Vulkan-Utility-Libraries-vulkan-sdk-$VULKAN_UTILITY_LIBRARIES_VERSION.tar.?z || exit 1
cd Vulkan-Utility-Libraries-vulkan-sdk-$VULKAN_UTILITY_LIBRARIES_VERSION
slackhousekeeping
mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DCMAKE_INSTALL_SYSCONFDIR=/usr/share \
   -DVulkanHeaders_DIR=$PKG/usr/share/cmake/VulkanHeaders/ \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall

########################################################
echo "##### Build SPIRV-Tools-vulkan-sdk #####"
cd $TMPBUILD
tar xvf $CWD/SPIRV-Tools-vulkan-sdk-$SPIRV_TOOLS_VERSION.tar.?z || exit 1
cd SPIRV-Tools-vulkan-sdk-$SPIRV_TOOLS_VERSION

tar xvf $CWD/SPIRV-Headers-$SPIRV_HEADERS_VERSION.tar.?z -C external || exit 1
mv external/SPIRV-Headers-$SPIRV_HEADERS_VERSION external/spirv-headers
slackhousekeeping

cmake -G Ninja -B build \
  -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
  -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
  -DCMAKE_INSTALL_PREFIX=/usr\
  -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
  -DCMAKE_BUILD_TYPE=Release \
  . || exit 1
cmake --build build || exit 1
DESTDIR=$PKG cmake --install build || exit 1

########################################################
echo "##### Build Vulkan-ValidationLayers-vulkan-sdk #####"
cd $TMPBUILD
tar xf $CWD/Vulkan-ValidationLayers-vulkan-sdk-$VULKAN_VALIDATIONLAYERS_VERSION.tar.?z || exit 1
cd Vulkan-ValidationLayers-vulkan-sdk-$VULKAN_VALIDATIONLAYERS_VERSION

slackhousekeeping
mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DCMAKE_INSTALL_SYSCONFDIR=/etc \
   -DCMAKE_INSTALL_DATADIR=/share \
   -DCMAKE_SKIP_RPATH=True \
   -DBUILD_TESTS=Off \
   -DBUILD_WSI_XLIB_SUPPORT=On \
   -DBUILD_WSI_XCB_SUPPORT=On \
   -DBUILD_WSI_WAYLAND_SUPPORT=On \
   -DCMAKE_BUILD_TYPE=Release \
   -DGLSLANG_INSTALL_DIR=$PKG/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DVULKAN_HEADERS_INSTALL_DIR=$PKG/usr \
   -DSPIRV_HEADERS_INSTALL_DIR=$PKG/usr \
   -DBUILD_LAYER_SUPPORT_FILES=On \
   ${ROBIN_HOOD_VERSION:+-DROBIN_HOOD_HASHING_INSTALL_DIR="$TMPBUILD/robin-hood-hashing-$ROBIN_HOOD_VERSION/build/install/usr"} \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall
########################################################
echo "##### Build Vulkan-ExtensionLayer-sdk #####"
cd $TMPBUILD
tar xf $CWD/Vulkan-ExtensionLayer-vulkan-sdk-$VULKAN_EXTENSIONLAYER_VERSION.tar.?z || exit 1
cd Vulkan-ExtensionLayer-vulkan-sdk-$VULKAN_EXTENSIONLAYER_VERSION

slackhousekeeping
mkdir -p build
cd build
cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_SYSCONFDIR=/etc \
    -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
    -DCMAKE_INSTALL_DATADIR=/share \
    -DCMAKE_SKIP_RPATH=True \
    -DBUILD_TESTS=Off \
    -DBUILD_WSI_XLIB_SUPPORT=On \
    -DBUILD_WSI_XCB_SUPPORT=On \
    -DBUILD_WSI_WAYLAND_SUPPORT=On \
    -DCMAKE_BUILD_TYPE=Release \
    -DVULKAN_HEADERS_INSTALL_DIR=$PKG/usr \
    -DBUILD_LAYER_SUPPORT_FILES=On \
   .. || failconfig

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

########################################################
echo "##### Build volk-vulkan-sdk #####"
cd $TMPBUILD
tar xf $CWD/volk-vulkan-sdk-$VOLK_VERSION.tar.?z || failextract
cd volk-vulkan-sdk-$VOLK_VERSION
mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR="lib$LIBDIRSUFFIX" \
    -DCMAKE_INSTALL_SYSCONFDIR=/usr/share \
    -DVULKAN_HEADERS_INSTALL_DIR=$PKG/usr \
    -DVOLK_INSTALL=ON \
    .. || failconfig

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

# Remove hard coded build path:
#sed -i "s|;/tmp/package-vulkan-sdk/usr/include||g" $PKG/usr/lib${LIBDIRSUFFIX}/cmake/volk/volkTargets.cmake
sed -i 's?;'"$PKG"'/usr/include??g' $PKG/usr/lib${LIBDIRSUFFIX}/cmake/volk/volkTargets.cmake

########################################################
echo "##### Build Vulkan-Tools-sdk #####"
cd $TMPBUILD
tar xf $CWD/Vulkan-Tools-vulkan-sdk-$VULKAN_TOOLS_VERSION.tar.?z || exit 1
cd Vulkan-Tools-vulkan-sdk-$VULKAN_TOOLS_VERSION

slackhousekeeping
mkdir -p build
cd build
cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DVULKAN_HEADERS_INSTALL_DIR=$PKG/usr \
    -DGLSLANG_INSTALL_DIR=$PKG/usr \
    -DVULKAN_LOADER_INSTALL_DIR=$PKG/usr \
    -DBUILD_WSI_WAYLAND_SUPPORT=On \
  .. || failconfig

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

########################################################
echo "##### Build jsoncpp #####"
cd $TMPBUILD
tar xf $CWD/jsoncpp-$JSONCPP_VERSION.tar.?z || exit 1
cd jsoncpp-$JSONCPP_VERSION

mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DBUILD_OBJECT_LIBS=OFF \
   -DBUILD_STATIC_LIBS=ON \
   -DBUILD_SHARED_LIBS=OFF \
   -DJSONCPP_WITH_TESTS=OFF \
   -DCMAKE_BUILD_TYPE=Release \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$TMPBUILD/jsoncpp-$JSONCPP_VERSION/build/install || failinstall

########################################################
echo "##### Build valijson #####"
cd $TMPBUILD
tar xf $CWD/valijson-$VALIJSON_VERSION.tar.?z || exit 1
cd valijson-$VALIJSON_VERSION
mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$TMPBUILD/valijson-$VALIJSON_VERSION/build/install || failinstall

########################################################
echo "##### Build VulkanTools-sdk #####"
cd $TMPBUILD

tar xf $CWD/VulkanTools-vulkan-sdk-$VULKANTOOLS_VERSION.tar.?z || exit 1
cd VulkanTools-vulkan-sdk-$VULKANTOOLS_VERSION

slackhousekeeping
mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DCMAKE_INSTALL_SYSCONFDIR=/usr/share \
   -DVULKAN_HEADERS_INSTALL_DIR=$PKG/usr \
   -DVULKAN_REGISTRY_PATH_HINT=$PKG/usr \
   -DVULKAN_LOADER_INSTALL_DIR=$PKG/usr \
   -DVULKAN_VALIDATIONLAYERS_INSTALL_DIR=$PKG/usr \
   -Dvalijson_DIR="$TMPBUILD/valijson-$VALIJSON_VERSION/build/install/usr/lib$LIBDIRSUFFIX/cmake/valijson" \
   -Djsoncpp_DIR="$TMPBUILD/jsoncpp-$JSONCPP_VERSION/build/install/usr/lib$LIBDIRSUFFIX/cmake/jsoncpp" \
   -DBUILD_WSI_WAYLAND_SUPPORT=On \
   -DBUILD_TESTS=Off \
   -DINSTALL_GTEST=Off \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall

########################################################
echo "##### Build shaderc #####"
cd $TMPBUILD

tar xf $CWD/shaderc-$SHADERC_VERSION.tar.?z || exit 1
cd shaderc-$SHADERC_VERSION

slackhousekeeping

# Report correct versions in `glslc --version`
# git describe output collected in fetch-sources.sh
sed -i "s|\['git', 'describe'\]|\['cat', '.git-version'\]|" \
  utils/update_build_version.py

# We're pointing shaderc to the sources we just compiled
# This won't avoid compiling them again, but slightly better than
# extracting them twice.
# Short of polluting the build system with the libraries we built
# so far, there's no (easy) way to point shaderc to the already
# built versions.
mkdir -p build
cd build
cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
    -DCMAKE_INSTALL_SYSCONFDIR=/usr/share \
    -DSHADERC_SKIP_TESTS=On \
    -DSHADERC_SKIP_EXAMPLES=On \
    -DSHADERC_SPIRV_TOOLS_DIR=$TMPBUILD/SPIRV-Tools-vulkan-sdk-$SPIRV_TOOLS_VERSION \
    -DSHADERC_GLSLANG_DIR=$TMPBUILD/glslang-vulkan-sdk-$GLSLANG_VERSION \
    -DSKIP_GLSLANG_INSTALL=On \
    -DSKIP_SPIRV_TOOLS_INSTALL=On \
    -DBUILD_SHARED_LIBS=On \
    -DSPIRV_TOOLS_BUILD_STATIC=Off \
    -DBUILD_TESTING=Off \
  .. || failconfig

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

########################################################
echo "##### Build SPIRV-Cross-sdk #####"
cd $TMPBUILD

tar xf $CWD/SPIRV-Cross-vulkan-sdk-$SPIRV_CROSS_VERSION.tar.?z || exit 1
cd SPIRV-Cross-vulkan-sdk-$SPIRV_CROSS_VERSION

slackhousekeeping
# Set version
sed -i "s|version \"unknown\"|version \"$SPIRV_CROSS_VERSION\"|" \
  CMakeLists.txt

mkdir -p build
cd build
cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
    -DSPIRV_CROSS_ENABLE_TESTS=Off \
    -DSPIRV_CROSS_SHARED=On \
    -DSPIRV_CROSS_FORCE_PIC=On \
    -DCMAKE_DISABLE_FIND_PACKAGE_Git=ON \
  .. || failconfig

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

########################################################
echo "##### Build gfxreconstruct-vulkan-sdk #####"
cd $TMPBUILD

tar xf $CWD/gfxreconstruct-vulkan-sdk-$GFXRECONSTRUCT_VERSION.tar.?z || exit 1
cd gfxreconstruct-vulkan-sdk-$GFXRECONSTRUCT_VERSION

rm -rf external/Vulkan-Headers
tar xvf $CWD/Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION.tar.?z -C external || exit 1
mv external/Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION external/Vulkan-Headers

rm -rf external/SPIRV-Reflect
tar xvf $CWD/SPIRV-Reflect-vulkan-sdk-$SPIRV_REFLECT_VERSION.tar.?z -C external || exit 1
mv external/SPIRV-Reflect-vulkan-sdk-$SPIRV_REFLECT_VERSION external/SPIRV-Reflect

slackhousekeeping
mkdir -p build
cd build
# Dirty workaround to expose spirv includes
sed -i '1s|^|include_directories($PKG/usr/include/)\n|' CMakeLists.txt

cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -Wno-error=stringop-overflow" \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DGFXRECON_ENABLE_OPENXR=OFF \
   .. || failconfig

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1
########################################################
echo "##### Build DirectXShaderCompiler #####"
cd $TMPBUILD

tar xf $CWD/DirectXShaderCompiler-$DXC_VERSION.tar.?z || exit 1
cd $TMPBUILD/DirectXShaderCompiler-$DXC_VERSION

# Apply patches:
# This breaks the build, so skip it:
cat $CWD/DirectXShaderCompiler.noverify.patch | patch -p1 --verbose || exit 1

rm -fr external/SPIRV-Headers
tar xvf $CWD/SPIRV-Headers-$SPIRV_HEADERS_VERSION.tar.?z -C external || exit 1
mv external/SPIRV-Headers-$SPIRV_HEADERS_VERSION external/SPIRV-Headers

rm -fr external/SPIRV-Tools
tar xvf $CWD/SPIRV-Tools-vulkan-sdk-$SPIRV_TOOLS_VERSION.tar.?z -C external || exit 1
mv external/SPIRV-Tools-vulkan-sdk-$SPIRV_TOOLS_VERSION external/SPIRV-Tools

slackhousekeeping
mkdir -p build/docs
cd build
# Configure:
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -Wno-error=stringop-truncation" \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
   -DCMAKE_INSTALL_INCLUDEDIR=include/dxc \
   -DLLVM_LIBDIR_SUFFIX=$LIBDIRSUFFIX \
   -DLLVM_BUILD_TOOLS="OFF" \
   -C"../cmake/caches/PredefinedParams.cmake" \
   -DHLSL_INCLUDE_TESTS="OFF" \
    .. || failconfig

# Build:
make $NUMJOBS VERBOSE=1 || make VERBOSE=1 || failmake

# "make install" is essentially useless at this point
# It installs a bunch of unnecessary llvm files
# https://github.com/microsoft/DirectXShaderCompiler/issues/3276

# install steps taken from appveyor.yml
mkdir -p $PKG/usr/{bin,lib$LIBDIRSUFFIX,include}
cp -P bin/dxc* $PKG/usr/bin/
cp -P lib$LIBDIRSUFFIX/libdxcompiler.so* $PKG/usr/lib$LIBDIRSUFFIX/
cp -r ../include/dxc $PKG/usr/include/

# Remove CMakeLists.txt files in /usr/include
find $PKG/usr/include/dxc -name "CMakeLists.txt" | xargs rm -f

########################################################
echo "##### Build SPIRV-Reflect-vulkan-sdk #####"
cd $TMPBUILD

tar xf $CWD/SPIRV-Reflect-vulkan-sdk-$SPIRV_REFLECT_VERSION.tar.?z || exit 1
cd SPIRV-Reflect-vulkan-sdk-$SPIRV_REFLECT_VERSION

slackhousekeeping
mkdir -p build
cd build
cmake \
  -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
  -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
  -DCMAKE_INSTALL_PREFIX=/usr \
  -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
  .. || failconfig

make $NUMJOBS || make || exit 1
make install DESTDIR=$PKG || exit 1

mkdir -p $PKG/usr/include/SPIRV-Reflect/include/spirv/unified1
install -m 644 ../spirv_reflect.c $PKG/usr/include/SPIRV-Reflect/
install -m 644 ../spirv_reflect.h $PKG/usr/include/SPIRV-Reflect/
install -m 644 ../include/spirv/unified1/spirv.h \
    $PKG/usr/include/SPIRV-Reflect/include/spirv/unified1/

########################################################
echo "##### Build Vulkan-Profiles-sdk #####"
cd $TMPBUILD

tar xf $CWD/Vulkan-Profiles-vulkan-sdk-$VULKAN_PROFILES_VERSION.tar.?z || exit 1
cd Vulkan-Profiles-vulkan-sdk-$VULKAN_PROFILES_VERSION
slackhousekeeping

mkdir -p build
cd build
cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS -Wno-error=deprecated-declarations -I$PKG/usr/include/vulkan" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -Wno-error=deprecated-declarations -I$PKG/usr/include/vulkan" \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
    -DCMAKE_INSTALL_SYSCONFDIR=/usr/share \
    -DVULKAN_LOADER_INSTALL_DIR=$PKG/usr \
    -DVULKAN_HEADERS_INSTALL_DIR=$PKG/usr \
    -DVULKAN_HEADERS_SOURCE_DIR="$TMPBUILD/Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION" \
    -DVULKAN_VALIDATIONLAYERS_SOURCE_DIR="$TMPBUILD/Vulkan-ValidationLayers-vulkan-sdk-$VULKAN_VALIDATIONLAYERS_VERSION" \
    -DVVL_INCLUDE_DIR="$PKG/usr/include/vulkan" \
    -Dvalijson_DIR="$TMPBUILD/valijson-$VALIJSON_VERSION/build/install/usr/lib$LIBDIRSUFFIX/cmake/valijson" \
    -Djsoncpp_DIR="$TMPBUILD/jsoncpp-$JSONCPP_VERSION/build/install/usr/lib$LIBDIRSUFFIX/cmake/jsoncpp" \
    -DVulkan_INCLUDE_DIR="$PKG/usr/include/vulkan" \
    -DPROFILES_BUILD_TESTS=OFF \
    .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall

########################################################
echo "##### VulkanMemoryAllocator #####"
cd $TMPBUILD
tar xf $CWD/VulkanMemoryAllocator-$VULKAN_MEMORY_ALLOCATOR_VERSION.tar.?z
cd VulkanMemoryAllocator-$VULKAN_MEMORY_ALLOCATOR_VERSION || failextract
slackhousekeeping

mkdir -p build
cd build
cmake \
   -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
   -DCMAKE_BUILD_TYPE=Release \
   -DCMAKE_INSTALL_PREFIX=/usr \
   -DCMAKE_INSTALL_SYSCONFDIR=/usr/share \
   -DVulkan_GLSLANG_VALIDATOR_EXECUTABLE=$PKG/usr/bin/glslangValidator \
   -DVulkan_GLSLC_EXECUTABLE=$PKG/usr/bin/glslc \
   -DVulkan_INCLUDE_DIR=$PKG/usr/include \
   -DVulkan_LIBRARY=$PKG/usr/lib$LIBDIRSUFFIX/libvulkan.so.$VULKAN_LOADER_VERSION \
   .. || failconfig

make $NUMJOBS || make || failmake
make install DESTDIR=$PKG || failinstall

########################################################

echo "##### VulkanCapsViewer #####"
cd $TMPBUILD

tar xvf $CWD/VulkanCapsViewer-$VULKAN_CAPS_VIEWER_VERSION.tar.?z
cd VulkanCapsViewer-$VULKAN_CAPS_VIEWER_VERSION || failextract

# Fix finding Vulkan-Loader
sed -i "s|/lib/|/lib$LIBDIRSUFFIX/|g" CMakeLists.txt

mkdir build-x11
cd build-x11
qmake6 .. \
   DEFINES+=X11 \
   CONFIG+=release \
   PREFIX=/usr || failconfig
   make $NUMJOBS || failmake
   make INSTALL_ROOT=$PKG install || failinstall
   mv -fv $PKG/usr/bin/vulkanCapsViewer $PKG/usr/bin/vulkanCapsViewer-x11
cd ..

mkdir build-wayland
cd build-wayland
qmake6 .. \
   DEFINES+=WAYLAND \
   CONFIG+=release \
   PREFIX=/usr || failconfig
   make $NUMJOBS || failmake
   make INSTALL_ROOT=$PKG install || failinstall
   mv -fv $PKG/usr/bin/vulkanCapsViewer $PKG/usr/bin/vulkanCapsViewer-wayland
cd ..

ln -vsf vulkanCapsViewer-x11 $PKG/usr/bin/vulkanCapsViewer

mkdir -p $PKG/usr/share/icons/hicolor/256x256/apps
cp -a gfx/android_icon_256.png $PKG/usr/share/icons/hicolor/256x256/apps/vulkanCapsViewer.png || failinstall

########################################################

# Return to top level source extraction directory.
# We'll copy what docs we need from the individual src extraction dirs:
cd $TMPBUILD

# Add documentation:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Headers
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Tools
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/glslang
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Headers
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Loader
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-ValidationLayers
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-ExtensionLayer
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Tools
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/VulkanTools
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/shaderc
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Cross
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/gfxreconstruct
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/DirectXShaderCompiler
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Reflect
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Profiles
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/volk
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Utility-Libraries
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/VulkanCapsViewer
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION/VulkanMemoryAllocator
cp -a \
  SPIRV-Headers-$SPIRV_HEADERS_VERSION/LICENSE* \
  SPIRV-Headers-$SPIRV_HEADERS_VERSION/README* \
  $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Headers
cp -a \
  glslang-vulkan-sdk-$GLSLANG_VERSION/External/spirv-tools/LICENSE* \
  glslang-vulkan-sdk-$GLSLANG_VERSION/External/spirv-tools/README* \
  glslang-vulkan-sdk-$GLSLANG_VERSION/External/spirv-tools/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Tools
cp -a \
  glslang-vulkan-sdk-$GLSLANG_VERSION/LICENSE* \
  glslang-vulkan-sdk-$GLSLANG_VERSION/README* \
  glslang-vulkan-sdk-$GLSLANG_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/glslang
cp -a \
  Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION/LICENSE* \
  Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION/README* \
  Vulkan-Headers-vulkan-sdk-$VULKAN_HEADERS_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Headers
cp -a \
  Vulkan-Loader-vulkan-sdk-$VULKAN_LOADER_VERSION/LICENSE* \
  Vulkan-Loader-vulkan-sdk-$VULKAN_LOADER_VERSION/README* \
  Vulkan-Loader-vulkan-sdk-$VULKAN_LOADER_VERSION/*.md \
  Vulkan-Loader-vulkan-sdk-$VULKAN_LOADER_VERSION/loader/LoaderAndLayerInterface.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Loader
cp -a \
  Vulkan-ValidationLayers-vulkan-sdk-$VULKAN_VALIDATIONLAYERS_VERSION/LICENSE* \
  Vulkan-ValidationLayers-vulkan-sdk-$VULKAN_VALIDATIONLAYERS_VERSION/README* \
  Vulkan-ValidationLayers-vulkan-sdk-$VULKAN_VALIDATIONLAYERS_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-ValidationLayers
cp -a \
  Vulkan-ExtensionLayer-vulkan-sdk-$VULKAN_EXTENSIONLAYER_VERSION/LICENSE* \
  Vulkan-ExtensionLayer-vulkan-sdk-$VULKAN_EXTENSIONLAYER_VERSION/README* \
  Vulkan-ExtensionLayer-vulkan-sdk-$VULKAN_EXTENSIONLAYER_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-ExtensionLayer
cp -a \
  Vulkan-Tools-vulkan-sdk-$VULKAN_TOOLS_VERSION/LICENSE* \
  Vulkan-Tools-vulkan-sdk-$VULKAN_TOOLS_VERSION/README* \
  Vulkan-Tools-vulkan-sdk-$VULKAN_TOOLS_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Tools
cp -a \
  VulkanTools-vulkan-sdk-$VULKANTOOLS_VERSION/LICENSE* \
  VulkanTools-vulkan-sdk-$VULKANTOOLS_VERSION/README* \
  VulkanTools-vulkan-sdk-$VULKANTOOLS_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/VulkanTools
cp -a \
  shaderc-$SHADERC_VERSION/AUTHORS \
  shaderc-$SHADERC_VERSION/LICENSE* \
  shaderc-$SHADERC_VERSION/README* \
  shaderc-$SHADERC_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/shaderc
cp -a \
  SPIRV-Cross-vulkan-sdk-$SPIRV_CROSS_VERSION/LICENSE* \
  SPIRV-Cross-vulkan-sdk-$SPIRV_CROSS_VERSION/README* \
  SPIRV-Cross-vulkan-sdk-$SPIRV_CROSS_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Cross
cp -a \
  gfxreconstruct-vulkan-sdk-$GFXRECONSTRUCT_VERSION/LICENSE* \
  gfxreconstruct-vulkan-sdk-$GFXRECONSTRUCT_VERSION/README* \
  gfxreconstruct-vulkan-sdk-$GFXRECONSTRUCT_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/gfxreconstruct
cp -a \
  DirectXShaderCompiler-$DXC_VERSION/LICENSE* \
  DirectXShaderCompiler-$DXC_VERSION/README* \
  DirectXShaderCompiler-$DXC_VERSION/ThirdPartyNotices.txt \
  DirectXShaderCompiler-$DXC_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/DirectXShaderCompiler
cp -a \
  SPIRV-Reflect-vulkan-sdk-$SPIRV_REFLECT_VERSION/LICENSE* \
  SPIRV-Reflect-vulkan-sdk-$SPIRV_REFLECT_VERSION/README* \
  SPIRV-Reflect-vulkan-sdk-$SPIRV_REFLECT_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/SPIRV-Reflect
cp -a \
  Vulkan-Profiles-vulkan-sdk-$VULKAN_PROFILES_VERSION/LICENSE* \
  Vulkan-Profiles-vulkan-sdk-$VULKAN_PROFILES_VERSION/README* \
  Vulkan-Profiles-vulkan-sdk-$VULKAN_PROFILES_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Profiles
cp -a \
  volk-vulkan-sdk-$VOLK_VERSION/LICENSE* \
  volk-vulkan-sdk-$VOLK_VERSION/README* \
  volk-vulkan-sdk-$VOLK_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/volk
cp -a \
  Vulkan-Utility-Libraries-vulkan-sdk-$VULKAN_UTILITY_LIBRARIES_VERSION/LICENSE* \
  Vulkan-Utility-Libraries-vulkan-sdk-$VULKAN_UTILITY_LIBRARIES_VERSION/README* \
  Vulkan-Utility-Libraries-vulkan-sdk-$VULKAN_UTILITY_LIBRARIES_VERSION/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/Vulkan-Utility-Libraries
cp -a \
  VulkanCapsViewer-$VULKAN_CAPS_VIEWER_VERSION/LICENSE* \
  VulkanCapsViewer-$VULKAN_CAPS_VIEWER_VERSION/README* \
  VulkanCapsViewer-$VULKAN_CAPS_VIEWER_VERSION/docs/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/VulkanCapsViewer
cp -a \
  VulkanMemoryAllocator-$VULKAN_MEMORY_ALLOCATOR_VERSION/LICENSE* \
  VulkanMemoryAllocator-$VULKAN_MEMORY_ALLOCATOR_VERSION/README* \
  VulkanMemoryAllocator-$VULKAN_MEMORY_ALLOCATOR_VERSION/docs/*.md \
  $PKG/usr/doc/$PKGNAM-$VERSION/VulkanMemoryAllocator

# Release notes for the main package:
install -vpm644 $CWD/release_notes.html $PKG/usr/doc/$PKGNAM-$VERSION

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
#slackstriprpaths     # strip rpaths
slack_delete_lafiles # delete usr/lib{,64}/*.la
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # set standard Slackware file/dir permissions and ownerships
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links