On Tue, Sep 11, 2012 at 8:38 AM, mei yuhua <progmei@xxxxxxxxx> wrote: > I meet many problems indeed. > With default the GCC search the /usr/lib directory inside sysroot to link. > I can install the glibc in /usr/lib, but if I want to use multilib, > the glibc need some extra directory. > As I know with the 64bit and 32bit libs can install into the > /usr/lib64 and /usr/lib. > But where to install the soft/hard float and big/little endian libs? The multilib approach is to install the non-default libraries in subdirectories of the install path. GCC will then search subdirectories before the main directory. The subdirectories to search will be chosen based on the command line options. The /usr/lib64 and /usr/lib approach is not the standard GCC multilib approach. Ian > > > 2012/9/11 Ian Lance Taylor <iant@xxxxxxxxxx>: >> On Tue, Sep 11, 2012 at 6:45 AM, mei yuhua <progmei@xxxxxxxxx> wrote: >>> I only need the 32 bits libs, so I think I just need to copy the >>> gcc/config/mips/t-elf to gcc/config/mips/t-linux. right? >> >> If you add a new file, you also need to change config.gcc to use that file. >> >>> And how can I build the GLIBC, I think the libs need different directory. >> >> Cross-compiling glibc for GNU/Linux is difficult and painful. Don't >> expect it to be simple. I think the latest info on that is at >> http://crosstool-ng.org/ . >> >> Ian >> >> >>> 2012/9/11 Ian Lance Taylor <iant@xxxxxxxxxx>: >>>> On Mon, Sep 10, 2012 at 4:40 PM, mei yuhua <progmei@xxxxxxxxx> wrote: >>>>> But I don't want mips-elf, I need the mips-linux. >>>> >>>> >>>> Please reply to the mailing list, not just to me. Thanks. >>>> >>>> You can do it by setting the multilib variables. You more or less >>>> want to copy gcc/config/mips/t-elf to gcc/config/mips/t-linux64. >>>> >>>> Ian >>>> >>>> >>>>> 2012/9/11 Ian Lance Taylor <iant@xxxxxxxxxx>: >>>>>> On Mon, Sep 10, 2012 at 5:25 AM, mei yuhua <progmei@xxxxxxxxx> wrote: >>>>>> >>>>>>> I need to compile cross gcc(binutils2.22+gcc4.7.1+glibc2.16.0) for >>>>>>> mips. Can I make a gcc cross compile with both big/little endian and >>>>>>> soft/hard float support? And could you give me some guides on how to >>>>>>> compile it? >>>>>> >>>>>> Yes, you can do that. It will normally happen by default, e.g., if >>>>>> you configure --target=mips-elf. >>>>>> >>>>>> Ian
