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cmake_minimum_required(VERSION 3.12)
function(run_glslc exe exe_display)
execute_process(COMMAND ${exe} --help
OUTPUT_VARIABLE output
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE result
)
if(NOT result EQUAL 0)
message(SEND_ERROR "Result of ${exe_display} --help is ${result}, should be 0")
endif()
if(NOT output MATCHES "^glslc - Compile shaders into SPIR-V")
message(SEND_ERROR "Output of ${exe_display} --help is \"${output}\", should begin with \"glslc - Compile shaders into SPIR-V\"")
endif()
endfunction()
run_glslc("${VULKAN_GLSLC_EXECUTABLE}" "\${VULKAN_GLSLC_EXECUTABLE}")
run_glslc("${VULKAN_GLSLC_EXECUTABLE_TARGET}" "Vulkan::glslc")
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