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On 2017-07-26 04:50, Corinna Vinschen wrote: > diff --git a/newlib/libc/include/sys/features.h b/newlib/libc/include/sys/features.h > index 1f9271b..c9133af 100644 > --- a/newlib/libc/include/sys/features.h > +++ b/newlib/libc/include/sys/features.h > @@ -505,10 +505,9 @@ extern "C" { > /* #define _XOPEN_UNIX -1 */ > #endif /* __XSI_VISIBLE */ > > -/* The value corresponds to UNICODE version 4.0, which is the version > - supported by XP. Newlib supports 5.2 (2011) but so far Cygwin needs > - the MS conversions for double-byte charsets. */ > -#define __STDC_ISO_10646__ 200305L > +/* The value corresponds to UNICODE version 5.2, which is the current > + state of newlib's wide char conversion functions. */ > +#define __STDC_ISO_10646__ 200910L I have at least one case (glib) where I had to undefine this: http://article.gmane.org/gmane.os.cygwin.ports.general/1330 Is this just a bad assumption of the following glib code: https://git.gnome.org/browse/glib/tree/glib/gunicollate.c or does __STDC_ISO_10646__ really imply a 32-bit wchar_t, in which case we shouldn't be defining it at all? -- Yaakov
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