On Mar 10 10:11, Václav Zeman wrote:
> On 7 March 2014 21:08, Corinna Vinschen wrote:
> > On Mar 7 17:04, Václav Zeman wrote:
> >> Hi.
> >>
> >> This bit from /usr/include/stdlib.h hides the `strtold()` function
> >> even though the `strtold` symbol appears to be exported from
> >> `cygwin1.dll`:
> >>
> >> ~~~~{.c}
> >> /* On platforms where long double equals double. */
> >> #ifdef _LDBL_EQ_DBL
> >> #if !defined(__STRICT_ANSI__) || (__STDC_VERSION__ >= 199901L) ||
> >> (__cplusplus >= 201103L)
> >> extern long double strtold (const char *__restrict, char **__restrict);
> >> #endif
> >> #endif /* _LDBL_EQ_DBL */
> >> ~~~~
> >>
> >> This in turn breaks my source because I cannot use `_GLIBCXX_USE_C99`
> >> to expose some C++11 features like `std::vsnprintf()`.
> >>
> >> Shouldn't the `_LDBL_EQ_DBL` guard be removed and the function exposed
> >> regardless of `double` and `long double` sizes?
> >
> > I fixed that in newlib after a discussion with my co-maintainer.
> > strtold now gets defined if _HAVE_LONG_DOUBLE is defined. This is
> > the case for Cygwin, for instance.
>
> I think that similar fix needs to be applied to `wchar.h` and `wcstold()`.Not yet. Newlib doesn't provide wcstold, only wcstod. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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