http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46720
--- Comment #5 from Tobias Burnus <burnus at gcc dot gnu.org> 2010-12-09 13:34:38 UTC --- (In reply to comment #4) > if test -f ../libquadmath/libquadmath.la; then [...] > else > LIBQUADLIB="-lquadmath" > LIBQUADLIB_DEP= > LIBQUADINCLUDE= > fi > > Not sure why do we have this, when test "x$libgfor_cv_have_float128" = xyes > then I'd say libquadmath should have been built always. Well, that was proposed by Ralf to allow optionally use a system installed libquadmath instead of the GCC build one. (This requires the patch for PR 46540 which disables the build of libquadmath (--disable-libquadmath) but which still builds gfortran/libgfortran with quadmath support.)
