Gcc compilation "cannot compute suffix of object files: cannot compile"
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I'm actually reading the LFS book (version 7.1) and I'm blocked at page 53. Trying to compile gcc, I tried the following command:
./configure --target=$LFS_TGT --prefix=$LFS/build/gcc-build --disable-nls --disable-shared --disable-multilib --disable-decimal-float --disable-threads --disable-libmudflap --disable-libssp --disable-libgomp --disable-libquadmath --disable-target-libiberty --disable-target-zlib --enable-languages=c --without-ppl --without-cloog --with-mpfr-include=$LFS/source/mpfr/src --with-mpfr-lib=$LFS/source/mpfr/src/.libs --with-gmp-include=/mnt/LFS/source/gmp --with-gmp-lib=/mnt/LFS/source/gmp/.libs --with-mpc-include=/mnt/LFS/source/mpc/src --with-mpc-lib=/mnt/LFS/source/mpc/src/.libs

to run the configure script of gcc (of course I already compiled mpfr, mpc and gmp as well).
But once I launch:
make -j4
I get the following error:
checking for suffix of object files... configure: error: in `/mnt/LFS/source/gcc-4.6.2/x86_64-lfs-linux-gnu/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.
make[1]: *** [configure-target-libgcc] Error 1
I tried to google for it and tried the solutions I found but nothing worked... Does anyone know why I get this error? Thank you. 