https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68665
--- Comment #8 from Robert Shuler <mc1soft at yahoo dot com> --- (In reply to Robert Shuler from comment #7) > (In reply to Andrew Pinski from comment #6) > > (In reply to Robert Shuler from comment #5) > > > I just did a from-scratch installation on a different computer (at the > > > office) with Win7 of cygwin-64 GCC and the quad math package. The results > > > are exactly the same. Built-in _float128 works, but identical error > > > messages trying to use the functions. In this case, however THE DLLs ARE > > > MISSING. > > > > > > Here is result of trying -lquadmath on the office installation. > > Try: > > gcc -o test128a test128a.c -lquadmath > > That works on the WinXP 32 bit installation at home. It's definitely order > dependent. I will try it on the 64 bit installation in the morning and post > results here. Thanks for your assistance. (Probably that should be added > to the manual, which I did read thoroughly) On the Cygwin64 installation on Win 7 at the office (where for some reason the dll's are not present), it does not work. Same error. I used Cygwin's installer, installing from the net, checked GCC and Quad Precision libs, and allowed all prerequisites it wanted.
