Re: Symbols _fe_dfl_env and _fe_nomask_env not exported on x86_64

[Houder <houder at xs4all dot nl>]

On 2018-07-20 14:01, Corinna Vinschen wrote:
> On Jul 20 01:00, Houder wrote:
> > L.S.,
> >
> > This STC fails to compile on Cygwin for x86_64:
> >
> > // gcc -Wall -o stc-fenv stc-fenv.c
> > // Linux: gcc -Wall -o stc-fenv stc-fenv.c -lm
> > #define _GNU_SOURCE
> > #include <fenv.h>
> >
> > int main()
> > {
> >     fesetenv(FE_DFL_ENV);
> >     fesetenv(FE_NOMASK_ENV);
> > }
> >
> > 64-@@ gcc -Wall -o stc-fenv stc-fenv.c
> > /tmp/cchxZMgV.o:stc-fenv.c:(.rdata$.refptr._fe_nomask_env[.refptr._fe_nomask_env]+0x0):
> > undefined reference to `_fe_nomask_env'
> > /tmp/cchxZMgV.o:stc-fenv.c:(.rdata$.refptr._fe_dfl_env[.refptr._fe_dfl_env]+0x0):
> > undefined reference to `_fe_dfl_env'
> > collect2: error: ld returned 1 exit status
> >
> > However the STC does compile on x86.
> >
> > Where has the machinery gone wrong?
>
> The symbol export files were not correctly set up back then.  I pushed 
> a
> patch.  New snapshots should be uploaded shortly to
> https://cygwin.com/snapshots/

Thank you, Corinna!

    
https://cygwin.com/git/gitweb.cgi?p=newlib-cygwin.git;a=commit;h=e9f223877f42c31353bd8b522596cb5fe1b87388
    (Cygwin: move FP environment exports to common.din)

Agreed!

(have not tested any snapshot yet; will do.)

Henri

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