[MacPorts] #38758: update gcc48 to 4.8.0 release and change libstdc++-devel subport to libstdc++

[MacPorts]

#38758: update gcc48 to 4.8.0 release and change libstdc++-devel subport to
libstdc++
-----------------------+--------------------------------
 Reporter:  howarth@…  |      Owner:  macports-tickets@…
     Type:  update     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.1.3
 Keywords:             |       Port:  gcc48
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 The attached Portfile.diff updates the gcc48 Portfile to build the 4.8.0
 release. It also merges in the differences with the gcc47 Portfile[[BR]]
 such as using ecj (which is required for gcj to compile java). This works
 fine on darwin10 and later which have the compatibility unwinder.[[BR]]
 It also adds the skip-libffi-install.patch patch from upstream. The gcc
 4.8.0 release, which has an remerge of upstream libffi) installs
 files[[BR]]
 which conflict with a libffi package. The patch prevents libffi from
 installing as it is unnecessary at run time. The libffi static lib is
 only[[BR]]
 used as a convenience library in building libgcj and libffi doesn't need
 to be installed. The new Portfile also switches the libstdc++-devel[[BR]]
 subport to the libstdc++ subport.

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Ticket URL: <https://trac.macports.org/ticket/38758>
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