spirv-tools: update to 2020.3

* use source tarball instead of git repository
* add spirv-headers as a make depdency
* remove explicity set compiler flags
* use cmake command to build and install

mingw-w64-spirv-tools/PKGBUILD

@@ -3,7 +3,7 @@
 _realname=spirv-tools
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
-pkgver=2020.2
+pkgver=2020.3
 pkgrel=1
 pkgdesc="API and commands for processing SPIR-V modules (mingw-w64)"
 arch=('any')
@@ -13,16 +13,14 @@ groups=("${MINGW_PACKAGE_PREFIX}-vulkan-devel")
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs")
 makedepends=("${MINGW_PACKAGE_PREFIX}-cmake"
              "${MINGW_PACKAGE_PREFIX}-python"
-             "git")
-source=("git+https://github.com/KhronosGroup/SPIRV-Tools.git#tag=v${pkgver}"
-        "git+https://github.com/KhronosGroup/SPIRV-Headers.git"
+             "${MINGW_PACKAGE_PREFIX}-spirv-headers")
+source=("${_realname}-${pkgver}.tar.gz::https://github.com/KhronosGroup/SPIRV-Tools/archive/v2020.3.tar.gz"
         001-cmake-files-location.patch)
-sha256sums=('SKIP'
-            'SKIP'
-            'b76834f15d7af8c268897fac1584e94199c976a57dafb2c4390e0fce28934776')
+sha512sums=('8abb4fe227dbe9d0fc4279523eb714ce3a590a3c56e3dcd226317bc7835e2dceaef3a46c0873c2f144c61b28f41c0fcdf2985cc4f708fa496186c16738cc493f'
+            '8cbad8289e5f29c621cf225756e69a7784eba005998a041ae3d81cb017582956ec2d07d163ea7a3de38f3f7bd34900509511a8104d2a2d196da23d87c8e35a58')
 
 prepare() {
-  cd SPIRV-Tools
+  cd SPIRV-Tools-${pkgver}
   patch -p1 -i ${srcdir}/001-cmake-files-location.patch
 }
 
@@ -37,19 +35,18 @@ build() {
     extra_config+=("-DCMAKE_BUILD_TYPE=Debug")
   fi
 
-  CFLAGS+=" -Wno-switch"
-  CXXFLAGS+=" -Wno-switch"
-
   msg2 "Building shared library"
   MSYS2_ARG_CONV_EXCL="-DCMAKE_INSTALL_PREFIX=" \
   ${MINGW_PREFIX}/bin/cmake \
       -G'MSYS Makefiles' \
       -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
       "${extra_config[@]}" \
+      -DSPIRV_WERROR=OFF \
       -DBUILD_SHARED_LIBS=ON \
-      -DSPIRV-Headers_SOURCE_DIR=${srcdir}/SPIRV-Headers \
-      ../SPIRV-Tools
-  make
+      -DSPIRV-Headers_SOURCE_DIR=${MINGW_PREFIX} \
+      ../SPIRV-Tools-${pkgver}
+
+  ${MINGW_PREFIX}/bin/cmake --build ./
 
   msg2 "Building static library"
   [[ -d "${srcdir}"/build-${CARCH}-static ]] && rm -rf "${srcdir}"/build-${CARCH}-static
@@ -59,21 +56,23 @@ build() {
       -G'MSYS Makefiles' \
       -DCMAKE_INSTALL_PREFIX=${MINGW_PREFIX} \
       "${extra_config[@]}" \
+      -DSPIRV_WERROR=OFF \
       -DBUILD_SHARED_LIBS=OFF \
-      -DSPIRV-Headers_SOURCE_DIR=${srcdir}/SPIRV-Headers \
-      ../SPIRV-Tools
-  make
+      -DSPIRV-Headers_SOURCE_DIR=${MINGW_PREFIX} \
+      ../SPIRV-Tools-${pkgver}
+
+  ${MINGW_PREFIX}/bin/cmake --build ./
 }
 
 package() {
   cd "${srcdir}"/build-${CARCH}-shared
-  make DESTDIR="${pkgdir}" install
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --build ./ --target install
 
   cd "${srcdir}"/build-${CARCH}-static
-  make DESTDIR="${pkgdir}" install
+  DESTDIR="${pkgdir}" ${MINGW_PREFIX}/bin/cmake --build ./ --target install
 
   install -dm755 "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}"
-  install -m644 ${srcdir}/SPIRV-Tools/LICENSE "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/"
+  install -m644 ${srcdir}/SPIRV-Tools-${pkgver}/LICENSE "${pkgdir}${MINGW_PREFIX}/share/licenses/${_realname}/"
 
   local _WIN_PREFIX=$(cygpath -am ${MINGW_PREFIX})
   for _f in "${pkgdir}${MINGW_PREFIX}"/lib/pkgconfig/*.pc; do