Date: Wed, 17 Oct 2007 17:00:39 -0500 From: Brooks Davis <brooks@freebsd.org> To: David Leimbach <leimy2k@gmail.com> Cc: Roman Divacky <rdivacky@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org>, Ed Schouten <ed@fxq.nl>, Abdullah Ibn Hamad Al-Marri <wearabnet@yahoo.ca> Subject: Re: PCC and FreeBSD in the future? Message-ID: <20071017220039.GA10642@lor.one-eyed-alien.net> In-Reply-To: <3e1162e60710171428i1c28c7a5ha285a4d4ea8f5ce5@mail.gmail.com> References: <132802.25776.qm@web33711.mail.mud.yahoo.com> <20071017173941.GT5411@hoeg.nl> <20071017182758.GU5411@hoeg.nl> <20071017203438.GA37057@freebsd.org> <3e1162e60710171428i1c28c7a5ha285a4d4ea8f5ce5@mail.gmail.com>
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On Wed, Oct 17, 2007 at 02:28:01PM -0700, David Leimbach wrote:
> On 10/17/07, Roman Divacky <rdivacky@freebsd.org> wrote:
> >
> > On Wed, Oct 17, 2007 at 08:27:58PM +0200, Ed Schouten wrote:
> > > * Ed Schouten <ed@fxq.nl> wrote:
> > > > One of the major obstacles for PCC is that it didn't support a way =
to
> > > > pack structures in a comfortable way. Most of the FreeBSD userland
> > just
> > > > built with it. Most of the stuff that didn't compile properly, was
> > > > related to kernel headers, using __attribute__ stuff, instead of the
> > > > cdef'd stuff, like __packed. It seems things have changed in the me=
an
> > > > time.
> > >
> > > Indeed; PCC now supports _Pragma("packed"). I've attached a patch for
> > > sys/cdefs.h that should make at least src/bin compile like it should.
> > > The patch is in no way meant to be complete.
> >
> > on the other hand llvm-gcc (and clang in the near future) compiles
> > basically
> > everything out of the box + its highly optimizing (yet still much faster
> > than
> > gcc) + BSD licensed.. ;)
> >
>=20
> It's derived from gcc yet BSD licensed? Erm, how?
The gcc frontend option is GPL licensed, but the rest of the system is BSD
licensed including the clang frontend (not yet complete).
-- Brooks
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