Re: as cannot do endbr64 instructions (too old)

On Sun, Dec 31, 2023 at 03:39:14PM +0100, Otto Moerbeek wrote:
> On Sun, Dec 31, 2023 at 04:51:14AM +0100, Lorenz (xha) wrote:
>
> > hi misc@,
> >
> > like the subject says, `as` in the base system cannot do endbr64
> > instructions. should it be updated?
> >
> > background: i am maintaining hare for openbsd and we always have
> > to install "gas" from the "binutils" package because the normal one
> > is too old. i'd be nice if we don't depend on any packages from
> > ports and don't have some specific workarounds in hare just for
> > openbsd because "as" is too old.
> >
> > if updating "as" is not an option, is there a way to invoke the
> > llvm assembler directly in the base system?
> >
> > thanks.
> >
> > - lorenz
> >
>
> cc will assesmbly a .s or .S file.
>

it looks like cc cannot combine multiple assembly files into one. this
is a simplified version of the command line:

$(AS) -o example.o example_a.s example_b.s

it works when defining "AS = gas", but not when doing "AS = cc -c":

"cc: error: cannot specify -o when generating multiple output files"

is there a way to do this with llvm?

why is "as" so old?