Avoid including headers from host when cross compiling
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@ -121,20 +121,9 @@ function (add_reflection_generator_invocation)
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list(APPEND ARGS_CLANG_OPTIONS -I "${INCLUDE_DIR}")
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endforeach ()
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# add workaround for cross compiling with mingw-w64 to prevent host stdlib.h being included (not sure why specifying
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# REFLECTION_GENERATOR_INCLUDE_DIRECTORIES is not enough to let it find this particular header file)
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if (MINGW)
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# find MinGW version of stdlib.h
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find_file(MINGW_W64_STDLIB_H stdlib.h ${REFLECTION_GENERATOR_INCLUDE_DIRECTORIES})
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if (NOT EXISTS "${MINGW_W64_STDLIB_H}")
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message(
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FATAL_ERROR
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"Unable to locate MinGW version of stdlib.h. Ensure it is in REFLECTION_GENERATOR_INCLUDE_DIRECTORIES.")
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endif ()
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# ensure libtooling includes the MinGW version of stdlib.h rather than the host version
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list(APPEND ARGS_CLANG_OPTIONS -include "${MINGW_W64_STDLIB_H}" -D_STDLIB_H # prevent processing of host stdlib.h
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)
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# avoid including headers from host when cross compiling
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if (CMAKE_CROSSCOMPILING)
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list(APPEND ARGS_CLANG_OPTIONS -nostdinc)
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endif ()
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# add options to be passed to clang from the specified targets
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