At 21:22 01-11-08, you wrote: >John Frankish wrote: > > Hi, > > > > I'm trying to build on a playstation 3 with yellow dog linux v6 > > > > Although binutils-2.18 builds OK, gcc-4.3.2 fails after the first > > bootstrap pass succeeds and then gcc tries to compile a second > > version of itself. The failure is "gcc compiler cannot build > > executables" - config.log does not give too many clues... > > > > Note that I'm obliged to build using > > LDFLAGS=$CXXFLAGS=$CFLAGS='-m32' otherwise gcc-4.2.2 tries to build > > a 64-bit version of itself and fails looking for gnu/stubs-64.h - > > glibc and the rest of the ydl system is 32-bit. The host gcc is > > gcc-4.1.1 (I think). > >-m32 only specifies what types of _binaries_ to produce. This means that > when you build gcc with -m32, it will produce a 32-bit binary gcc >(provided you have 32-bit libs, which you do), but the gcc you build >will still be configured for a 64-bit machine and when you run it, it >will attempt to build for that architecture. Because you don't have >64-bit libs, it will fail. > >You can't build 64-bit without first building a 64-bit libc, and you >can't build 32-bit unless you modify your host settings. > >If you want to build LFS as 32-bit, you _might_ get away with hacking >the output of uname to trick the build system into thinking you're >running on a 32-bit host, but a saner approach would be to build a >32-bit only kernel. > >If you want to build LFS as 64-bit, there is an approach that currently >works pioneered by DIY-Linux which involves cross-compiling your first >glibc and then building natively after that. I have some notes on that >method and have started adapting it to LFS, but I haven't published >anything yet. > >Otherwise, as was already mentioned, CLFS should be able to help you in >the right direction, too. > >-- >JH Thanks for the feedback
I'd be interested in the notes to build a 64-bit LFS to play around with if you'd like somebody to act as a guinea pig for them John -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
