Re: Problems building cross-compile environment

[Thomas Schwinge]

Hello!

On Thu, Dec 11, 2008 at 03:34:46PM +0800, jiyou quwei wrote:
> I'm trying to build a GNU/Hurd system from sources.I'm using the
> instructions from
> http://www.gnu.org/software/hurd/hurd/building/cross-compiling.html
> and http://nic-nac-project.de/~schwinge/tmp/cross-gnu. But I don't run
> the scripts.I type the commands by my self.

OK.


> When I'm compiling glibc-2.7,I get these errors:

Did you apply all patches that are indicated on that page?

I'm currently working on getting support for more recent releases under
way again, but that is not yet finished.


> But when I compile gcc-4.4 trunk (the second time),I get these errors
> checking for shl_load... configure: error: Link tests are not allowed
> after GCC_NO_EXECUTABLES.
> make[1]: *** [configure-target-libstdc++-v3] Error 1

Obviously you're -- in contrast to the documentation -- building C++
support.  (One should expect that to work, yes, but sadly it doesn't: see
below.)

That error message shouldn't appear nevertheless.  Can you tell me
exactly which sources you used and how you configured, etc.?

> I try to find out why,in config.log I see these
> gcc-build/./gcc/libgcc_s.so: undefined reference to `__multf3'
> [...]

See here:
<http://www.gnu.org/software/hurd/hurd/running/debian/porting/gcc/c++.html>

Nobody has tracked this down yet.


Regards,
 Thomas

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