add_subdirectory(binary_to_compressed_c)
find_program(GLSLANG_EXECUTABLE NAMES glslangValidator)
if (NOT GLSLANG_EXECUTABLE)
    add_subdirectory(glslang)
else()
    add_executable(glslangValidator IMPORTED GLOBAL)
    set_property(TARGET glslangValidator PROPERTY IMPORTED_LOCATION ${GLSLANG_EXECUTABLE})
endif()