Re: Fedora 33 System-Wide Change proposal: CMake to do out-of-source builds

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On Tue, 2020-06-16 at 15:18 +0200, Kevin Kofler wrote:
> Igor Raits wrote:
> > The correct way of doing out-of-source builds is to use `cmake -S .
> > -B
> > builddir` and not cd/pushd and other things. Sadly we can't
> > implement
> > this enforcement without breaking packages that do `cd/pushd` but
> > we
> > will fix them.
> 
> The pushd approach has been working since forever, which is why it is
> used 
> in all templates. -S and -B are more recent (and redundant)
> introductions.

Right, they have existed before -S/-B were introduced, but it does not
mean we should use old method forever just because we've used it
before. Also they are not redundant.

  cmake [options] <path-to-source>
  cmake [options] <path-to-existing-build>
  cmake [options] -S <path-to-source> -B <path-to-build>

The former options are trying to guess whether you specify source dir
or build dir while with these options you get a consistent way of
telling them to cmake.

>         Kevin Kofler
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- -- 
Igor Raits <ignatenkobrain@xxxxxxxxxxxxxxxxx>
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