Re: Enabling builddir != srcdir by default in jhbuild

On Sun, 2016-02-28 at 09:54 -0600, Michael Catanzaro wrote:
On Sun, 2016-02-28 at 14:33 +0000, Emmanuele Bassi wrote:

My proposal is to enable this behaviour in the default jhbuildrc,
that all GNOME projects automatically build in a separate root.
change should have no, or minimal impact on the subset of the
moduleset that is covered by Continuous; it may require fixing the
build of various modules in the gnome-apps or gnome-world
The major upsides would be that:
+1, I've been wanting to do this for a while.

There is a problem though, in that Automake's vala support is pretty
broken for git builds where builddir != srcdir, hence all (well,
virtually all) vala projects only support builddir != srcdir when
building from tarballs. Sometimes the only way to fix builddir !=
srcdir issues is to introduce broken nonsensical changes to the
Automake file [1]. So when you make this change, you should do a
build of all the modules and add exceptions for all the modules that
break, with the expectation that most Vala modules will be broken.
were probably planning to do this anyway, so just pointing it out.)

If anyone is interested in fixing this in Automake, that would be

I was interested sometime ago and produced something minimal that works
for me but dropped the ball due to not being able to conjure the
testcases for the fix...

- Yanko


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