[MacPorts] #21341: fixed packaging for gcc44

[MacPorts]

#21341: fixed packaging for gcc44
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 Reporter:  howarth@…                 |       Owner:  mww@…           
     Type:  enhancement               |      Status:  new             
 Priority:  Normal                    |   Milestone:                  
Component:  ports                     |     Version:  1.8.0           
 Keywords:                            |        Port:  gcc44           
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Comment(by adfernandes@…):

 > Are you passing --with-ppl=/opt/local to configure for the cloog build?
 On fink, I have always used --with-ppl=%p for our cloog packaging.

 No... I probably should have, but it seems to have built just fine without
 it. All libraries are linked as they should be. (I'll probably add it now,
 though.)

 I am following the directions archived as follows:
  * http://gcc.gnu.org/install/prerequisites.html
  * http://gcc.gnu.org/wiki/Graphite
  * http://gcc.gnu.org/wiki/Graphite/4.5

 `gcc4[45]` require a special build of `cloog`, apparently, the latest
 version of which is `cloog-ppl-0.15.9`. This library in turn depends on
 `ppl-0.10.x`, the latest of which is `0.10.2`. I tried `0.11` which was
 released very recently, and it does ''not'' work. The FSF `cloog-ppl`
 depends specifically on version `0.10.x`.

 The old `ppl` port would not compile because it used an old test for
 `gmp4`. I patched configure so that the `configure` test would work with
 `gmp5`.

 That being said, In finally have a working graphite-based compiler. :-)

 Attached is a patch for `gcc4[456]`. Some notes:
  * I've added a default `--without-ppl` and `--without-cloog` to stop gcc
 from using them without an explicit request.
  * I've put the `graphite` variant as optional.
  * I have only tested `gcc45` thoroughly with and without the `graphite`
 variant. Both work as expected.
  * The `gcc44` and `gcc46` patches should be the same, but I've only
 configured, not built and tested the compilers.
  * ... therefore the diffs don't bump the revision.

 Please test!

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Ticket URL: <http://trac.macports.org/ticket/21341#comment:18>
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