http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53112
--- Comment #15 from birender.singh at hotmail dot com 2012-05-07 09:20:51 UTC --- This error "configure: error: cannot compute suffix of object files cannot compile" while building gcc on solaris get resolved by adding "lib" location in the PATH i.e export PATH=$PATH:/els/install/biru/local/gmp_64/lib:/els/install/biru/local/mpfr_64/lib As per help mentioned in link "http://gcc.gnu.org/wiki/FAQ#configure" i.e missing library.