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Daniele E. Domenichelli authored
Previously if headers required to check the size of a type can be compiled with C++ compiler only, the check would fail because the C compiler fails. As a consequence, HAVE_${VARIABLE} would be set to false, and ${VARIABLE} will be empty. Teach CHECK_TYPE_SIZE to accept a new optional argument LANGUAGE that allows one to explicitly set the compiler to use. The new signature is therefore: CHECK_TYPE_SIZE(TYPE VARIABLE [BUILTIN_TYPES_ONLY] [LANGUAGE <language>])
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