spirv-tools: Fix cmake files installation location

mingw-w64-spirv-tools/001-cmake-files-location.patch

@@ -0,0 +1,11 @@
+--- a/CMakeLists.txt	2020-03-10 12:35:41.979200000 +0300
++++ b/CMakeLists.txt	2020-03-10 12:35:41.979200000 +0300
+@@ -210,7 +210,7 @@
+ endif()
+ 
+ if(ENABLE_SPIRV_TOOLS_INSTALL)
+-  if(WIN32)
++  if(MSVC)
+     macro(spvtools_config_package_dir TARGET PATH)
+       set(${PATH} ${TARGET}/cmake)
+     endmacro()

mingw-w64-spirv-tools/PKGBUILD

@@ -4,7 +4,7 @@ _realname=spirv-tools
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=2020.1
-pkgrel=1
+pkgrel=2
 pkgdesc="API and commands for processing SPIR-V modules (mingw-w64)"
 arch=('any')
 url="https://www.khronos.org/vulkan/"
@@ -15,12 +15,15 @@ makedepends=("${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")
+        "git+https://github.com/KhronosGroup/SPIRV-Headers.git"
+        001-cmake-files-location.patch)
 sha256sums=('SKIP'
-            'SKIP')
+            'SKIP'
+            'b76834f15d7af8c268897fac1584e94199c976a57dafb2c4390e0fce28934776')
 
 prepare() {
   cd SPIRV-Tools
+  patch -p1 -i ${srcdir}/001-cmake-files-location.patch
 }
 
 build() {