http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50238
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |jakub at gcc dot gnu.org Resolution| |INVALID --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-08-30 16:58:32 UTC --- That log file clearly shows that this is a user error: symbol lookup error: /home/silvio/Downloads/gcc-4.3.4/host-x86_64-unknown-linux-gnu/gcc/f951: undefined symbol: mpfr_get_z_exp That symbol got renamed in mpfr, but mpfr.h has the corresponding #define, so you are most likely compiling/linking against one mpfr version (some older one, why?) but running the binaries against a newer mpfr version (assuming the system mpfr in Fedora 15). BTW, gcc 4.3 is no longer supported.