[Pkg-julia-devel] build errors on i386 (and other archs)

[Mo Zhou]

Hi Norbert,

On Wed, Nov 04, 2020 at 12:52:52PM +0900, Norbert Preining wrote:
> discussion with Mose Giordano I was pointed out that we set
> 	USE_BLAS64=1
> for 32-bit archs:

32-bit architectures are definitely not supposed to use USE_BLAS64=1.
That looks like a mistake caused by unknown reason.

> I added
> 	USE_BLAS64=0
> to the
> 	else ifneq (,$(filter $(DEB_HOST_ARCH),i386 hurd-i386 kfreebsd-i386))
> case and now the blas build errors are gone.

Correct way to go. Thanks for noticing this!

> According to Mose:
> 	julia uses ILP64 only for 64-bits different from aarch64: 
> 	https://github.com/JuliaPackaging/Yggdrasil/blob/16ea9cb4adacc2296fd3890d2bfe3173229b9f1b/O/OpenBLAS/common.jl#L49.
> 	looking at https://salsa.debian.org/julia-team/julia/-/blob/9790137de70ebdb284016a1d1ac356a10f983006/debian/rules
> 	I think you enable ILP64 also for 32-bit systems?

> I still see build errors in the tests for "file", but that probably
> because I built in a chroot as root, which might not have been the best
> idea.

Yep. The "file" tests are always fishy inside chroot as root.