gcc49 bootstrap comparison failures

Jack Howarth <[email protected]>
Newsgroups gmane.os.apple.fink.devel
Message-ID <CAP5Ds0B1_77tOZcisk_A33CD712V+DHNs_3HB7Sdvx1tvBo3Dw@mail.gmail.com>
     Just a heads up that the Xcode 6.3 release currently won't build
the gcc49-4.9.2 package due to bootstrap comparison failures. The
issue is under investigation upstream and also occurs when the
clang-3.5/clang++-3.5 compilers from llvm-3.5.1/llvm-3.5.2 or the
clang-3.6/clang++-3.6 compilers from llvm-3.6.0 are used under Xcode
6.2. The latter observation should eliminate any changes in the
cctools of Xcode 6.3 as the cause and seems to firmly point to
miscompilation of the stage1 compilers by the newer clang releases.
          Jack
ps Oddly the upcoming gcc 5.0 compiler doesn't suffer the same
bootstrap comparison failure (but it is a pretty massive rewrite from
4.9.x). If we are still stuck without a fix in a week or so, I can
push out the gcc5 packaging from the most current snapshot (as it is
very close to the RC release).

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