CMake changes for HLSL legalization
Cmake now looks for External/spirv-tools. If found, it links in
SPIRV-Tools-opt and SPVRemapper, and adds -DENABLE_OPT to build.
diff --git a/External/CMakeLists.txt b/External/CMakeLists.txt
index 4f694ee..d9e071e 100644
--- a/External/CMakeLists.txt
+++ b/External/CMakeLists.txt
@@ -33,3 +33,10 @@
"Google Mock was not found - tests based on that will not build")
endif()
endif()
+
+if(ENABLE_OPT AND NOT TARGET SPIRV-Tools-opt)
+ if(IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/spirv-tools)
+ add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/spirv-tools spirv-tools)
+ endif()
+endif()
+