%bcond_with is backwards?

Paul Howarth paul at city-fan.org
Thu Dec 8 19:01:45 UTC 2011


On Thu, 8 Dec 2011 18:58:29 +0000
"Richard W.M. Jones" <rjones at redhat.com> wrote:

> On Thu, Dec 08, 2011 at 07:31:58PM +0100, Till Maas wrote:
> > On Thu, Dec 08, 2011 at 06:10:17PM +0000, Richard W.M. Jones wrote:
> > 
> > > # conditionalize Ocaml support
> > > %ifarch sparc64 s390 s390x
> > > %bcond_with ocaml
> > > %else
> > > %bcond_without ocaml
> > > %endif
> > > 
> > > #...
> > > 
> > > %if %{with ocaml}
> > > BuildRequires:  ocaml
> > > BuildRequires:  ocaml-findlib-devel
> > > %endif
> > > 
> > > This code correctly disables OCaml support on architectures where
> > > we don't bother to compile OCaml (sparc64 s390 s390x).  But the
> > > conditional code looks backwards to me.  Does this make sense to
> > > anyone?
> > 
> > It makes sense when you read "%bcond_with ocaml" as 'add a
> > "--with-ocaml" build condition flag' to the spec.
> 
> It does?  Still seems backwards to me.  OCaml is disabled on the
> listed architectures, so that'd be --without-ocaml wouldn't it?

Having a build *option* for "--with ocaml" implies that the default
(which is what you get when you build the package in koji) is "without"
ocaml.

I still have to think about it every time I come across it though.

Paul.


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