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Re: Linking troubles with gcc 4.5
On 05/26/2010 05:50 PM, lfrfly@icqmail.com wrote:
> I recently built gcc 4.5 from source. That took a bit of doing, but
> eventually I got to working. Since I don't have admin on this machine, I
> set the --prefix to /u1/public/gcc and make installed it there.
>
> I am now able to compile with g++ 4.5. To help, I did
> alias g++0x /u1/public/gcc/bin/g++ -std=c++0x
>
> However, linking doesn't yet work. I got:
> /usr/bin/ld: cannot find -lgcc_s
> And when I changed the alias to include
> -L/u1/public/gcc/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/
> -L/u1/public/gcc/lib/gcc/x86_64-unknown-linux-gnu/lib/
> then I got
> /usr/bin/ld: skipping incompatible
> /u1/public/gcc/lib/gcc/x86_64-unknown-linux-gnu/lib//libgcc_s.so when
> searching for -lgcc_s
> /usr/bin/ld: cannot find -lgcc_s
>
> Any ideas?
You haven't given us a huge amount of information: usually we'd
want the configure line and the command you use to do the test.
However, you can use "strace -etrace-file" to see where g++ is looking
for libgcc_s.so. That'll give you a clue.
Andrew.