On Mon, 5 Dec 2005 10:14:19 +1100
grant beattie <grant@NetBSD.org> wrote:

> On Sun, Dec 04, 2005 at 10:23:38PM +0000, segv@netctl.net wrote:
> 
> > On Sun, 4 Dec 2005 21:51:49 +0000
> > segv@netctl.net wrote:
> > 
> > > I've just found out that you need to set the following variable in your
> > > mk.conf to build 64-bit binaries
> > > 
> > > ABI=64
> > > 
> > > It is used by mk/compiler/sunpro.mk file, that has the following line
> > > 
> > > _COMPILER_ABI_FLAG.64=  -xtarget=ultra -xarch=v9
> > 
> > pkgsrc developers, any chance to add a note about ABI variable to
> > bootstrap/README.Solaris file? I think without it, many packages will fail
> > to compile into 64-bit binaries.
> 
> I believe it is already documented in the pkgsrc guide. if not, it
> should be.
> 
> what version of Sun Studio are you using that requires this change?
> I'd rather the options be backward and forward compatible with as many
> versions as possible.
> 
> grant.
> 

I've never seen it in any documentation I've read so far, but then I didn't
read the entire pkgsrc guide line by line. I'm using Sun Studio 11, but that
shouldn't matter, the fact is there needs to be a sure way to tell the compiler
to build 64-bit binaries (which I think ABI=64 does), otherwise some bits are
built as 64-bit objects and others as 32-bit objects, and then you get wrong
ELF errors, etc. Setting CFLAGS += -xarch=v9 does not guarantee that, coz I
think some packages ignore CFLAGS variable, or build/link objects in some weird
way.