forked from OSchip/llvm-project
a114ec0c6d
Currently, when creating a target for a fat binary, we error out if more than one platforms can support the different architectures in the binary. There are situations where it makes sense for multiple platforms to support the same architectures: for example the host and remote-macosx platform on Darwin. The only way to currently disambiguate between them is to specify the architecture. This patch changes that to take into account the selected and host platform. The new algorithm works a follows: 1. Pick the selected platform if it matches any of the architectures. 2. Pick the host platform if it matches any of the architectures. 3. If there's one platform that works for all architectures, pick that. If none of the above apply then we either have no platform supporting the architectures in the fat binary or multiple platforms with no good way to disambiguate between them. I've added a bunch of unit tests to codify this new behavior. rdar://90360204 Differential revision: https://reviews.llvm.org/D122684 |
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