Hello! I have been trying to cross-compile curl for iOS, using leetal's toolchain [1] (and another, similar one that has the same issue).
When building for the "Xcode" cmake generator (cmake -G Xcode <...>), curl build successfully. But when building for the "Unix Makefiles" generator, I get an error saying that SIZEOF_LONG is undefined. I see that SIZEOF_LONG is defined in curl_config.h.cmake [2], but I don't really get where it comes from. It seems like it gets defined somehow by Xcode, but not when building using clang directly (Unix Makefiles). Should I set it somewhere manually? And if yes, it is always right to say that it should be "8" on 64-bits archs, and "4" on 32-bits archs (as described here [3])? [1]: https://github.com/leetal/ios-cmake [2]: https://github.com/curl/curl/blob/master/lib/curl_config.h.cmake#L892 [3]: https://stackoverflow.com/questions/21681954/using-curl-on-ios-i-am-unable-to-link-with-multiple-architectures-curlchkszeq
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