Bug#1033656: illegal hardware instruction cjxl

[Mathieu Malaterre]

Package: libjxl-tools
Version: 0.7.0-10
Severity: important

cjxl/djxl cannot be used on armhf neon-less system. They fails with:

% djxl
zsh: illegal hardware instruction  djxl

Full ref:

% gdb /usr/bin/cjxl
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Reading symbols from /usr/bin/cjxl...
(No debugging symbols found in /usr/bin/cjxl)
(gdb) r
Starting program: /usr/bin/cjxl
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/arm-linux-gnueabihf/libthread_db.so.1".

Program received signal SIGILL, Illegal instruction.
0xb6e31fbe in ?? () from /usr/lib/arm-linux-gnueabihf/libhwy.so.1
(gdb) x/i $pc
=> 0xb6e31fbe:  vmov.i32        d16, #0 @ 0x00000000
(gdb) bt full
#0  0xb6e31fbe in ?? () from /usr/lib/arm-linux-gnueabihf/libhwy.so.1
No symbol table info available.
#1  0xb6e32256 in hwy::platform::TimerResolution() () from
/usr/lib/arm-linux-gnueabihf/libhwy.so.1
No symbol table info available.
#2  0xb6e30e0e in ?? () from /usr/lib/arm-linux-gnueabihf/libhwy.so.1
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) quit