179218 2007-05-20 13:20 0000 sys-devel/gcc-4.2.0 does not work on ppc64 2007-10-25 14:48:07 0000 1 1 1 Unclassified Gentoo Linux Applications unspecified All Linux CLOSED WONTFIX P2 normal --- 1 corsair@gentoo.org ppc64@gentoo.org toolchain@gentoo.org corsair@gentoo.org 2007-05-20 13:20:01 0000 I tried to use gcc 4.2.0 in a chroot. Although it doesn't work too good. First I used an existing chroot and updated from 4.1.1-r3 to 4.2. After compiling this and that paludis (one of the compiled packages) didn't work anymore. It only produced segmentation faults from then on. As I was not able to recompile paludis without a working paludis I started from scratch. I unpacked a stage1, unmasked gcc 4.2.0 and ran bootstrap.sh. Now I got a segfault while compiling glibc. What's this bug about? Please don't add ~ppc64 to gcc 4.2.0 unless those problems are sorted out. corsair@gentoo.org 2007-05-20 13:24:55 0000 Created an attachment (id=119787) log for glibc merge (incl. segfault) vapier@gentoo.org 2007-05-20 16:52:28 0000 ive been using gcc-4.2.0 on my quad without troubles, but that only extends so far to ppc64 ... and we've shown in the past that ppc64 tends to be much more unstable than ppc in the toolchain ... corsair@gentoo.org 2007-05-20 19:02:33 0000 ok. so let's find out the differences between your and mine config. could you please send me your 'emerge --info' output? vapier@gentoo.org 2007-05-20 23:08:50 0000 when i said "ppc" i meant "ppc" :) i havent tried ppc64, just ppc32 corsair@gentoo.org 2007-05-21 05:31:13 0000 (In reply to comment #4) > when i said "ppc" i meant "ppc" :) > > i havent tried ppc64, just ppc32 > Sorry, I think I don't understand that "ive been using gcc-4.2.0 on my quad without troubles, but that only extends so far to ppc64" then :-/ /me catches a dictionary.. ranger@gentoo.org 2007-05-21 13:52:01 0000 I think he means he's using a 32bit userland corsair... corsair@gentoo.org 2007-05-21 19:19:19 0000 ahh.. stupid /me. I didn't thought about that possibility. thanks.. vapier@gentoo.org 2007-05-21 19:43:46 0000 yeah, the ppc64 userland is just too unstable for me to use as a desktop, so i have a 64bit kernel with a 32bit userland ... i need KDE/firefox actually functioning :) sorry about that ranger@gentoo.org 2007-05-21 20:36:52 0000 fwiw, firefox and thunderbird work quite nicely on ppc64 64ul now thanks to some patches from the moz Gentoo team. Sorry to derail the point of this bug... vapier@gentoo.org 2007-05-21 20:45:10 0000 unless anyone has crazy ideas as to the source of the troubles, i think the way to tackle this would be to take a stage3/gcc-4.1.2 system and install gcc-4.2.0 in parallel ... then locate the simplest C-only package you can find and get it to bomb only when compiled with gcc-4.2 ... anarchpenguin@gmail.com 2007-05-28 13:58:06 0000 Check for out of memory issues, There is a major regression on 64bit systems as far as gcc is concerned. More detail can be found here : http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30052 It does include a patch but needs to be updated in two locations to fix the ice it introduces on fortran. tgall@gentoo.org 2007-10-14 06:18:38 0000 going to close this bug ... gcc 4.2.2 seems to be dramatically improved ... still under test .. but it's not dead yet. 4.2.0 has no chance of going stable and we ain't fixing it. tgall@gentoo.org 2007-10-18 07:27:35 0000 as this bug was referenced by external parties I will document this here. http://sourceware.org/ml/libc-alpha/2006-05/msg00017.html fixes this issue for gcc 4.2.x corsair@gentoo.org 2007-10-25 14:48:07 0000 added ~ppc64 to gcc-4.2.2 119787 2007-05-20 13:24 0000 log for glibc merge (incl. segfault) bootstrap-resumed-gcc42.txt text/plain Q1BQPSdwb3dlcnBjNjQtdW5rbm93bi1saW51eC1nbnUtZ2NjIC1FIC14IGMtaGVhZGVyJyAgL3Zh ci90bXAvcG9ydGFnZS9zeXMtbGlicy9nbGliYy0yLjUtcjIvd29yay9idWlsZC1wcGM2NC1wb3dl 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