Chromium build fails on Current (r233121)

[Lars Engels]

On Fri, Apr 06, 2012 at 11:18:20AM +0200, René Ladan wrote:
> 2012/4/6 Lars Engels <lars.engels at 0x20.net>:
> > On Mon, Apr 02, 2012 at 10:46:23AM +0200, René Ladan wrote:
> >> 2012/4/2 Xin Li <delphij at delphij.net>:
> >> > On 03/18/12 13:11, Lars Engels wrote:
> >> >> Build of Chromium 17.0.963.79 fails to build on r233121, amd64:
> >> >>
> >> >> CXX(target)
> >> >> out/Release/obj.target/webkit_gpu/webkit/gpu/webgraphicscontext3d_in_process_impl.o
> >> >>
> >> >>
> >> > LINK(host) out/Release/protoc
> >> >> AR(host) out/Release/obj.host/v8/tools/gyp/libv8_nosnapshot.a RULE
> >> >> sync_proto_genproto_0
> >> >> out/Release/pyproto/chrome/browser/sync/protocol/sync_pb2.py gmake:
> >> >> *** [out/Release/pyproto/chrome/browser/sync/protocol/sync_pb2.py]
> >> >> Floating point exception: 8 (core dumped) gmake: *** Waiting for
> >> >> unfinished jobs.... *** [do-build] Error code 1
> >> >>
> >> >> Stop in /usr/ports/www/chromium. *** [build] Error code 1
> >> >
> >> > Hit the same thing and compiling with GCC46 either works around it, or
> >> > fixed the problem.  Haven't investigated the underlying issue though.
> >> >
> >> Fixed probably, chromium also builds with top-of-tree clang (from upstream) with
> >> http://trillian.chruetertee.ch/chromium/changeset/318 applied.
> >
> > Unfortunately it's still not fixed for me. Building with CLANG:
> >
> >  LINK(host) out/Release/protoc
> >  LINK(host) out/Release/protoc: Finished
> >  AR(host) out/Release/obj.host/v8/tools/gyp/libv8_nosnapshot.a
> >  RULE sync_proto_genproto_0
> > out/Release/pyproto/chrome/browser/sync/protocol/app_notification_specifics_pb2.py
> > gmake: ***
> > [out/Release/pyproto/chrome/browser/sync/protocol/app_notification_specifics_pb2.py]
> > Floating point exception: 8 (core dumped)
> >
> > # clang -v
> > FreeBSD clang version 3.0 (tags/RELEASE_30/final 145349) 20111210
> > Target: x86_64-unknown-freebsd10.0
> > Thread model: posix
> >
> Your  clang is probably too old, clang/llvm from upstream trunk worked for me.
> The clang in base contains a bug which miscompiles protoc resulting in
> the SIGFPE even
> with the patch added in the last commit.

Yes, that maybe. FWIW I succeeded building chromium with gcc-4.6 now. :)
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