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0a46eb11af
cURL detects the `send` and `recv` signatures using a large loop of `try_compile` checks. The results are used for the following: * Casting argument types in calls to `send` and `recv`, perhaps to avoid conversion warnings. We compile with `-w` anyway. * Providing debug variants for `CURLDEBUG`, which we do not use. Replace the detection loops with hard-coded results that should work well enough everywhere. This significantly reduces the number of configure-time checks for building CMake on some platforms.