[gentoo-dev] Check versions of other packages within ebuilds

[gentoo-dev] Check versions of other packages within ebuilds

[CJ Kucera]

Howdy!

For some time now, I've wished that there was a way to check for
other packages' versions when inside an ebuild.  I know that there
are a whole bunch of packages that check for versions of GCC, etc,
using strange and convoluted sed/awk/etc statements.  Which is
all well and good, but I've always felt that there should be a more
"clean" way to do it, that would be applicable to all packages as
well.

Well, today I finally did something about it, and you can read about
the fruits of my ten-minute-long labor here:

  http://bugs.gentoo.org/show_bug.cgi?id=9910

Using my script, it'd be possible to do things like this in an ebuild:

  version ">=gcc-3.0" && apply_gcc_3_patch()

Etcetera.  I'm posting here, too, in the hopes that it'll get a
wider audience and thus be more likely to be cleaned up and eventually
make it into portage.

That is all.

-CJ

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