With an appropriate port installed, in principle you can build a cross world and/or kernel without a bootstrap compiler or binutils with: make CROSS_TOOLCHAIN=llvm40 TARGET=arm64 buildworld buildkernel In practice, this only has a chance of working on platforms with solid LLD support. At the moment I've had some success with i386, amd64, and arm64. Sponsored by: DARPA, AFRL |
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