Hi Achim, On Sun, 16 Aug 2026 08:54:06 +0200 ASSI via Cygwin <[email protected]> wrote:
> Takashi Yano via Cygwin writes: > > Is there any reason that libstdc++ on Cygwin still uses COW > > (_GLIBCXX_USE_CXX11_ABI = 0 setting), even though it is inhibited > > since C++11? > > I've inherited it that way and the reason it has not been changed is > still the same: Binary compatibility across binaries and (probably more > imporantly) libraries that were compiled with different settings breaks. > The Linux distributions avoided that outcome by a "rebuild the world" > event, but we might not be able to do that, at least not easily. > > So no, you should not be nilly-willy changing that definition if you > compile a library that potentially gets used by other parts of Cygwin > (it is supposed to work correctly if it is only used by your > application). I understand that casually setting _GLIBCXX_USE_CXX11_ABI=1 cae be problematic. Instead, I'll add a workaround for CoW to glslang package. Thansk for the advice. -- Takashi Yano <[email protected]> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
