Re: Undefined __aeabi_uidivmod in 14.0 armv7

On Nov 23, 2023, at 04:15, John F Carr <jfc@mit.edu> wrote:

> Before submitting this as a bug, I want to know which component is at fault.

See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271087

> I upgraded my armv8 host and armv7 jail to 14.0.  Using poudriere to build
> armv7 packages, ruby33 fails:
> 
>    making encs
>    Generating RDoc documentation
>    ld-elf.so.1: /usr/local/lib/libunwind.so.8: Undefined symbol "__aeabi_uidivmod"
>    *** Error code 1
> 
> I confirmed that libunwind.so does have a dynamic dependency
> on __aeabi_uidivmod.  That function is defined in /usr/lib/libgcc.a
> as a wrapper around __udivmodsi4 in the same library.  It is
> not defined in /lib/libgcc_s.so.
> 
> Linking something against libgcc.a would fix this.
> 
> The _aeabi_ family of functions, as far as I can tell, is only used
> with -target arm-none-eabi and not with the default target.  Using
> better compiler flags would also fix this.
> 
> So...
> 
> Is this a bug in base: libgcc.so lacks or does not export __aeabi_uidivmod?
> Is this a bug in base: the compiler does not link libgcc.a?
> Is this a bug in devel/libtool: libtool does not link libgcc.a?
> Is this a bug in devel/libunwind?
> Is this a bug in lang/ruby33?
> Is this a bug in some unknown component compiled for EABI instead of FreeBSD?

===
Mark Millard
marklmi at yahoo.com