On Thu, May 14, 2020 at 08:53:18AM -0500, Douglas R. Reno via lfs-dev wrote:
>
> On 5/14/20 1:33 AM, Xi Ruoyao via lfs-dev wrote:
> > On 2020-05-13 23:46 -0500, Bruce Dubbs via lfs-dev wrote:
> > > On 5/13/20 11:33 PM, Ken Moffat via lfs-dev wrote:
> > > > I notice that in some places people have overridden any existing
> > > > CFLAGS when adding -fcommon. In most places, for those of us who
> > > > care the fix is obvious (CFLAGS="$CFLAGS -fcommon"). One or two
> > > > packages will turn out to be more painful.
> > > >
> > > > Can I ask people to at least *consider* not trashing a user's
> > > > specified CFLAGS ?
> > > Yes, we can do that, but right now we are trying to just get everything
> > > to build with gcc10. When that is done, we can probably review and do
> > > 'grep -r CFLAGS; in the book's xml top and do the right thing where we
> > > have had to make changes.
> > >
No problem with prioritising getting the packages to build, but one
or two (a couple of the video drivers) already pick up the CFLAGS
before adding -fcommon.
> > > Also as new package releases address gcc10, we can probably remove a lot
> > > of the CFLAGS entries that we've been making.
> > I don't like -fcommon. It's actually changing C semantics. The correct
> > thing
> > to do is to fix the code (like what we do for gdbm in LFS).
> >
> > Though we can simply add this workaround for now...
>
> Agreed here, I don't like it either. Most of these would be very simple
> fixes and may even be accomodated via sed instead of patch.
>
> That's OK though, I'll go with what everyone else is doing for now...
>
I've seen a comment from a fedora developer that he had to spend a
lot of time getting everything to build with gcc-10. I'm sure some
of what they build is development versions, and they ignore some
other things we build, but fedora might be a place worth looking.
ĸen
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