can't run gcc 4.5.3/4.6.0 under ubuntu 11.04

[Ian Lance Taylor]

"Klaus Rudolph" <lts-rudolph@gmx.de> writes:

> Axel Freyn wrote: 
>> Did you install the development packages? that is, the ubuntu-package
>> libc6-dev?
>> If not, the compiler is right :)
>> If yes -- could you post where on your ѕystem libc.so and libm.so really
>> exist?
>> 
>
> the packages are installed and running the gcc/g++ compiler which comes with ubuntu runs fine.
>
> The libs could be found:
>
> krud@mauersegler:~$ ls -lsa /usr/lib/i386-linux-gnu/libc.so
> 4 -rw-r--r-- 1 root root 283 2011-04-11 13:03 /usr/lib/i386-linux-gnu/libc.so
> krud@mauersegler:~$ ls -lsa /lib/i386-linux-gnu/libc.so.6
> 0 lrwxrwxrwx 1 root root 12 2011-05-17 14:27 /lib/i386-linux-gnu/libc.so.6 -> libc-2.13.so
> krud@mauersegler:~/test/c++/compile_ubuntu_11.04$ ls -lsa /lib/i386-linux-gnu/libc-2.13.so
> 1404 -rwxr-xr-x 1 root root 1434180 2011-04-11 13:08 /lib/i386-linux-gnu/libc-2.13.s
>
> The xgcc is not looking inside  /usr/lib/i386-linux-gnu ...
>
> Is there a trick to setup the compiler build (configure??, environment flags) with some additional lib path infos to give xgcc a chance to find the libs?


This is interesting and somewhat annoying.  I hope the Ubuntu developers
who chose to move these packages will be willing to share patches with
gcc so that gcc works by default.

It may work if you pass --build=i386-linux-gnu when you configure gcc.

Ian