C compiler cannot create executables

[Aurelien]

Hi everyone,

Sorry, this is for sure a very common problem: I needed the latest (3.1) 
gcc because only it has the protocol forward reference bug fixed 
(objective-c) and this is a feature I really *need*. So I checked it 
from cvs, configured it, made it, installed it. Then I made symbolic 
links to the /bin executables in /usr/local/bin and corrected my PATH to 
point to those first. Last I set LD_LIBRARY_PATH to point to 
$GCC_DIR/lib, as well as LD_RUN_PATH. I don't know if that's all there 
is to upgrade to the latest gcc.

Now, this is what my configure script tells me:

checking for gcc... (cached) gcc
checking wether the C compiler (gcc ) works... no
configure: error: installation or configuration problem: C compiler 
cannot create executables.

Anyone has a clue ?

thx in advance,

Aurélien