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set(SHADERC_GLSLANG_DIR "" CACHE STRING "unused")
if (NOT TARGET glslang)
find_package(glslang CONFIG REQUIRED)
add_library(glslang ALIAS glslang::glslang)
add_library(MachineIndependent ALIAS glslang::MachineIndependent)
add_library(OSDependent ALIAS glslang::OSDependent)
add_library(SPIRV ALIAS glslang::SPIRV)
endif()
find_path(glslang_SOURCE_DIR glslang/Public/ShaderLang.h REQUIRED)
set(glslang_SOURCE_DIR "${glslang_SOURCE_DIR}/glslang" "${glslang_SOURCE_DIR}" CACHE STRING "" FORCE)
set(SHADERC_SPIRV_TOOLS_DIR "" CACHE STRING "unused")
if (NOT TARGET SPIRV-Tools)
find_package(SPIRV-Tools CONFIG REQUIRED)
add_library(SPIRV-Tools ALIAS SPIRV-Tools-static) # as linked by SPIRV-Tools-opt
find_package(SPIRV-Tools-opt CONFIG REQUIRED)
endif()
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