[Pkg-julia-devel] Bug#861484: julia: FTBFS on arm64

Edmund Grimley Evans edmund.grimley.evans at gmail.com
Thu May 11 18:42:52 UTC 2017


This problem is caused by:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=862360

How I discovered this, would be a long story.

The effect of the LLVM bug is to OR the register field of a
"movz xD, #IMM, lsl #48" with bits 43-47 of an address. With some
kernels those bits are always zero, so no harm is done. If you can
build julia, which is just a matter of using an appropriate system,
then you might as well ship it. It will be useful for some people
even if the LLVM bug does not get fixed.

There is probably no need to rebuild julia when the LLVM bug has been fixed,
but you should probably check that with someone who properly understands
how julia works.



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