[PATCH v2] newlib: change static to __fenv_static for fe{enable,disable,get}except

[Corinna Vinschen]

On Jul  4 10:37, Richard Earnshaw (lists) wrote:
> On 03/07/2025 19:59, Radek Barton wrote:
> > Hello.
> > 
> > Sending the version with the __cygwin_fenv_static suggestion applied.
> > 
> 
> This looks OK to me. Corinna, is there anything you want to add?

Fine with me, please push.


Thanks,
Corinna

> 
> R.
> 
> > Radek
> > 
> > ---
> > From 5c708ec741b4c4dd7676b7030451bc08607ce352 Mon Sep 17 00:00:00 2001
> > From: =?UTF-8?q?Radek=20Barto=C5=88?= <radek.barton@microsoft.com>
> > Date: Thu, 3 Jul 2025 12:00:22 +0200
> > Subject: [PATCH v2] newlib: change static to __fenv_static for
> >  fe{enable,disable,get}except
> > MIME-Version: 1.0
> > Content-Type: text/plain; charset=UTF-8
> > Content-Transfer-Encoding: 8bit
> > 
> > This fixes undefined references to those functions when building cygwin1.dll for AArch64.
> > 
> > Signed-off-by: Radek Bartoň <radek.barton@microsoft.com>
> > ---
> >  newlib/libc/machine/aarch64/sys/fenv.h | 16 ++++++++++++----
> >  1 file changed, 12 insertions(+), 4 deletions(-)
> > 
> > diff --git a/newlib/libc/machine/aarch64/sys/fenv.h b/newlib/libc/machine/aarch64/sys/fenv.h
> > index 6b0879269..1f97791a7 100644
> > --- a/newlib/libc/machine/aarch64/sys/fenv.h
> > +++ b/newlib/libc/machine/aarch64/sys/fenv.h
> > @@ -80,9 +80,17 @@ extern const fenv_t	*_fe_dfl_env;
> >  
> >  #if __BSD_VISIBLE
> >  
> > -/* We currently provide no external definitions of the functions below. */
> > +/* We currently provide no external definitions of the functions below
> > +   except of for Cygwin where those functions are exported by
> > +   winsup/cygwin/cygwin.din. */
> > +
> > +#ifdef __CYGWIN__
> > +#define __cygwin_fenv_static __fenv_static
> > +#else
> > +#define __cygwin_fenv_static static
> > +#endif
> >  
> > -static inline int
> > +__cygwin_fenv_static inline int
> >  feenableexcept(int __mask)
> >  {
> >  	fenv_t __old_r, __new_r;
> > @@ -93,7 +101,7 @@ feenableexcept(int __mask)
> >  	return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT);
> >  }
> >  
> > -static inline int
> > +__cygwin_fenv_static inline int
> >  fedisableexcept(int __mask)
> >  {
> >  	fenv_t __old_r, __new_r;
> > @@ -104,7 +112,7 @@ fedisableexcept(int __mask)
> >  	return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT);
> >  }
> >  
> > -static inline int
> > +__cygwin_fenv_static inline int
> >  fegetexcept(void)
> >  {
> >  	fenv_t __r;