Recommended GCC version?

[Andrew John Hughes]

On 31/03/2008, Volker Simonis <volker.simonis at gmail.com> wrote:
> Hi Clemens,
>
>  I recently successfully built the whole OpenJDK using gcc 3.3.3 on
>  Suse Enterprise Linux 9.3 (see
>  http://weblogs.java.net/blog/simonis/archive/2008/01/hotspot_develop.html#Build).
>  I had no linking problems. Currently I'm building HotSpot only on
>  OpenSuse 10.0 with gcc 4.0.2.
>
>  I think with every gcc newer than 3.2.2 (which is the recommanded GCC
>  version if you follow the Readme:
>  http://hg.openjdk.java.net/jdk7/jdk7/raw-file/tip/README-builds.html#gcc)
>  youll have  to disable the treatment of warnings as errors (see my
>  blog entry mentioned above).
>
>  Regarding your linking problem: is this perhaps the 'cannot restore
>  segment prot after reloc' problem (BugID 6538311:
>  http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6538311). This is
>  caused by SELinux - there's a workaround in the bug description.
>
>  Hope this helps,
>
> Volker
>
>
>  On 3/31/08, Clemens Eisserer <linuxhippy at gmail.com> wrote:
>  > Hello,
>  >
>  >  I wonder which version of GCC is recommended for building OpenJDK?
>  >  4.3 will probably not work out-of-the-box, should I downgrade to 4.2 or 4.1?
>  >
>  >  Some time ago I developed using the closed java-source, and I had to
>  >  install gcc-3.3.6 in order to be able to build the motif-stuff,
>  >  however using such an old version of gcc, linking hotspot failed with
>  >  some obscure messages. (I solved it by copying an already compiled
>  >  library into the build-dirs, so the process thought hotspot was
>  >  already build ;) ).
>  >  Is it possible to not build the motif stuff at all?
>  >
>  >  Thanks a lot, lg Clemens
>  >
>

Debian uses:

gcc (GCC) 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)

which seems to build IcedTea/OpenJDK fine.
-- 
Andrew :-)

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