On Tue, Feb 1, 2011 at 3:10 PM, NightStrike <nightstrike@xxxxxxxxx> wrote: > On Tue, Jan 25, 2011 at 5:19 PM, Kyle Girard <kyle@xxxxxxxxxxxxxxxx> wrote: >> >> I'm trying compile a version of gcc-4.5 on linux x86 for linux x86 which >> is relocatable but I'm having difficulty. >> >> Does anyone have an example of how to build such a relocatable gcc? >> >> I've been building binutils, and gcc-4.5 over and over >> with many different options. ÂAfter reading the docs I thought the key >> configure options are the --with-sysroot=/my/root and --prefix=/my/root >> for both binutils and gcc with those options and it should be >> relocatable but I've had no luck. ÂFor most of my attempts I can compile >> binutils fine but gcc compilation fails saying it cannot file system >> headers in /my/root/usr/include.. Am I missing a step somewhere? ÂI've >> even tried the bringing in eglibc/libc into the mix and trying to create >> a cross-compiler from linux x86 to linux x86 but that was even worse. >> >> From the googling that I've done it doesn't seem like it's that >> difficult. ÂI think I'm missing some critical step somewhere > > Yes. ÂYou have to pre-populate /my/root with an actual sysroot, > including system headers and a crt. ÂYou can do this by rolling your > own, copying from /usr/, or any of a few other means. Or, have crosstool-ng help you :) http://ymorin.is-a-geek.org/projects/crosstool hg clone http://ymorin.is-a-geek.org/hg/crosstool-ng/ or wget http://ymorin.is-a-geek.org/download/crosstool-ng/crosstool-ng-1.10.0.tar.bz2 -Bryan
