On Nov 12, 2007 8:11 AM, Andrew Haley <aph-gcc@xxxxxxxxxxxxxxxxxxx> wrote: > NightStrike writes: > > On Nov 10, 2007 3:57 PM, Diego . <eljedi@xxxxxxxxx> wrote: > > > On Nov 10, 2007 5:49 PM, NightStrike <nightstrike@xxxxxxxxx> wrote: > > > > On Nov 10, 2007 7:35 AM, Diego . <eljedi@xxxxxxxxx> wrote: > > > > > Hello!! > > > > > > > > > > I'm triying to build a cross compiler for x32_64. I want to be able to > > > > > build 64bits files from my 32bits linux machine. > > > > > > > > > > The problem i got now is some error, i tried some differents flags on > > > > > configure. One of them is: --target=x86_64-pc-linux-gnu , is it well? > > > > > or the parameter should be another combination of the triplets? > > > > > > > > > > Thanks, > > > > > Diego. > > > > To build a cross compiler, you need a complete toolchain that targets > > > > the environment that interests you. In your case, you need to build > > > > binutils with --target=x86_64-pc-linux, then a basic gcc (do make > > > > all-gcc and make install-gcc), then a complete glibc using the basic > > > > gcc you just build (when building the libc, target becomes host, host > > > > becomes build, and build goes away). Make and install that after > > > > placing the basic gcc first in your PATH. Then go back to the basic > > > > gcc and do a full make / install. > > > > > > > > That's the quick and dirty outline method. > > > > > Thanks nightStrike for te quick reply > > > > > > There's a clean method to build it? or better, any web thar explains that? > > > > > > Thanks again!! > > > > There's a program called "crosstool" that automates the process, > > though I've found it easier to just do it myself assuming you have all > > the tools in place that you need. Check here: > > http://www.kegel.com/crosstool/current/doc/crosstool-howto.html > > > > If you get stuck, I could probably build you a toolchain real fast and > > send you a log of what I did so that you can see each command and how > > it works. > > This is an excruciatingly hard way to build a Linux-Linux cross > compiler. The easy way is to copy libraries from a 64-bit Linux > system to a 32-bit system and then to build the compiler with > > --enable-targets=all > > Andrew. Right... because everyone with a 32-bit linux system has a running 64-bit system available from which to copy system libraries..................... The guy is building a cross compiler, not a native compiler.
