That would be much appreciated, thanks!
I looked at upstream and the project seems to be dead, no changes since 2016.
That's bad, considering that xdelta3 is a dependency of pristine-tar. :/
override_dh_auto_configure:
dh_auto_configure $@ -- ax_cv_have_aligned_access_required=yes
Interesting, so it might not be broken at all?
I cleaned up the debugging code I had added to pristine-tar, installed the
xdelta3 built with aligned access enforcement, and now the pristine-tar build
finishes successfully.
Oh, and I just found out that the ax_check_aligned_access_required detection script will
"hide" the unaligned memory access crash if it's compiled with optimization.
When using -O0, it will crash with a bus error on sparc64, as it should.
It's the same with a more recent version of the script[1].
So, IMHO the cleanest fix should be to compile test script without
optimization, to ensure it's causing a bus error and correctly detect that the
target cpu requires aligned memory access.
This makes the bus error go away. The pristine-tar build is still failing,
but this might have other reasons.
You mean the unpatched source?
Sorry, which patch are you referring to?
Except for the override of the check, I didn't patch anything.
[1]
https://gitweb.git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_check_aligned_access_required.m4
