https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64919
--- Comment #23 from The Written Word <bugzilla-gcc at thewrittenword dot com> --- (In reply to Alexander from comment #22) > I tried using libgomp but is the same as your error has occurred. > After that , I only used libgmp, libmpc and libmpfr ( in the GCC source tree > ) . How do you avoid libgomp? When building 4.8.5, we're using out-of-tree gmp-5.1.2, mpfr-3.1.2, and mpc-1.0.3.