William Stein wrote: > On Thu, Sep 10, 2009 at 12:48 AM, Dan Drake <[email protected]> wrote: >> I installed an Ubuntu Karmic virtual machine to see how Sage compiles >> there...and right now, it doesn't. >> >> I've tried on a 64-bit and 32-bit VM, with between 768 and about 1250 MB >> of RAM allocated to the VM, and it consistently fails while compiling >> base3.c from pari (src/basemath/base3.c). >> >> When it gets to base3, the compiler gradually uses up more and more >> memory, until it either gets killed by the kernel OOM stuff, or dies >> with "gcc: Internal error: Killed (program cc1)". >> >> This is with 4.1.2.alpha1, but the same behavior occurred with 4.1.1. In >> Karmic, the compiler is: >> >> $ gcc -v >> Using built-in specs. >> Target: i486-linux-gnu >> Configured with: ../src/configure -v --with-pkgversion='Ubuntu >> 4.4.1-3ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-4.4/README.Bugs >> --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr >> --enable-shared --enable-multiarch --enable-linker-build-id >> --with-system-zlib --libexecdir=/usr/lib --without-included-gettext >> --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.4 >> --program-suffix=-4.4 --enable-nls --enable-clocale=gnu >> --enable-libstdcxx-debug --enable-mpfr --enable-objc-gc >> --enable-targets=all --disable-werror --with-arch-32=i486 >> --with-tune=generic --enable-checking=release --build=i486-linux-gnu >> --host=i486-linux-gnu --target=i486-linux-gnu >> Thread model: posix >> gcc version 4.4.1 (Ubuntu 4.4.1-3ubuntu3) >> >> On a current Ubuntu Hardy system (like sage.math, but a 32-bit VM with >> 768 MB RAM) the compiler goes through base3.c with no trouble. >> >> Can anyone else confirm (or perhaps even fix) this? > > This is a GCC bug which has been discussed a lot on the Pari listed, > and reported in at least three places to GCC and Ubuntu. The only > stated workaround at present is to build pari with -O0 instead of -O3: > > http://www.nabble.com/Ubuntu-9.10-and-gcc-4.4-failure-td24853751.html >
Following the links leads to this bug report: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41101#c23 which indicates that this may have been fixed yesterday in the GCC trunk. Jason --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to [email protected] To unsubscribe from this group, send an email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
