http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47716
--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-02-14 21:02:23 UTC --- (In reply to comment #2) > --disable-libquadmath-support was enough to build. Could you try whether using the patch in attachment 23341 (from PR 47648) allows you to build GCC without --disable-libquadmath-support? It copies the configure check from libquadmath to libgfortran. > However gfortran test results are pretty poor: > warning: warning: reference to compatibility cabsf() Looks as if complex numbers are not well supported; I do not quite see why the warning is generated - and for which library. (libgfortran contains at libgfortran/intrinsics/c99_functions.c a fall-back implementation for cabsf, which uses hypotf, which uses (if not present) hypot.)