On Tue, Mar 12, 2013 at 2:44 AM, Dave Korn <dave.korn.cyg...@gmail.com> wrote: > > Hello list, > > The attached patch makes -shared-libgcc the default for Cygwin. This is > something that I should have done some time ago, as shared libgcc on Cygwin is > more than mature. What's more, it is vital for reliable compilation of > applications that throw exceptions or share TLS variables from DLLs into the > main executable; at present these compile incorrectly without an explicit > -shared-libgcc. For instance, the just-released MPFR-3.1.2 doesn't work > without it. > > Given that it's a very simple tweak to the compiler specs on a single > platform only, I would like to use my target maintainer's discretion to apply > it even at this late stage, but I figure it's so close to RC1 that I should > ask the RM's permission anyway. > > I'd also like to backport it to all the currently-open branches. > > gcc/ChangeLog > > 2013-03-12 Dave Korn <dave.korn.cygwin@....> > > * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): Make shared libgcc the > default setting. > > Is this OK by everyone?
Ok for trunk (4.8). Please add a documentation entry to gcc-4.8/changes.html. I'm not sure whether this kind of stuff should change on a release branch, I'll defer to others for this. Still, if you backport it, add a gcc-4.x/changes.html item to the sub-release sections. Richard. > cheers, > DaveK > > >