On Aug 9 09:50, Corinna Vinschen wrote: > On Aug 8 15:04, Joel Sherrill wrote: > > On Thu, Aug 8, 2019 at 2:05 PM Corinna Vinschen wrote: > > > > > On Aug 8 11:27, joel@rtems.org wrote: > > > > +/* > > > > + * This is a non-functional implementation that should be overridden > > > > + * by an architecture specific implementation in > > > newlib/libm/machine/ARCH. > > > > + * > > > > + * The implmentation must defined FE_DFL_ENV to point to a default > > > > + * environment of type fenv_t. > > > > + */ > > > > +static const fenv_t fe_dfl_env = { 0 }; > > > > +const fenv_t *_fe_dfl_env = &fe_dfl_env; > > > > > > Bummer. This doesn't work. The problem is that Cygwin needs to > > > initialize fe_dfl_env, like this: > > > > > > fegetenv (&fe_dfl_env); > > > > > > However, even if I drop `const' as in Cygwin, if fe_dfl_env is static > > > I can't access it from the _feinitialise() function at DLL init time. > > > > > > I'm not quite sure how to fix this. Any ideas? Do I have to drop > > > the idea to reuse this file and we need our own target-specific one? > > > > > > > I'm not opposed to making it non-const and not static. Whatever it > > takes to make it work on Cygwin. > > Ok, if nobody else disagrees. I'll wait over the weekend. Oh, btw., this is not exactly Cygwin only. As I wrote before, the code should be usable for other x86{_64} targets as well. Corinna -- Corinna Vinschen Cygwin Maintainer Red Hat