At 9:46 PM +1000 9/18/12, Joshua Root wrote:
On 2012-9-18 21:36 , Craig Treleaven wrote:
Hi:
In case it helps others, it appears that XCode 4.4 is the cause of a
run-time problem with mythtv-core.25. To recap, for some users, one of
Myth's programs, mythfrontend, would consistently segfault before the
main window was drawn (with the crashed thread in libunwind):
https://trac.macports.org/ticket/35934
One of the affected users, James George, put a tremendous amount of work
into tracking down the issue. We eventually determined that the code
would run successfully if built with apple-gcc-4.2. James has
determined that code produced with XCode 4.3.3 works OK; XCode 4.4.0+
leads to crashes. Testing done on 10.7.4.
There were no obvious errors reported in the XCode 4.4.0+ builds.
Could someone identify what changed from 4.3.3 to 4.4.0 that might
account for this? Bonus points if you can put it in simple terms that I
can follow! ;)
Have you tried Xcode 4.4's llvm-gcc-4.2? If that works, it would narrow
the problem down to clang.
Will do.
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