Symbols _fe_dfl_env and _fe_nomask_env not exported on x86_64
Corinna Vinschen
corinna-cygwin@cygwin.com
Fri Jul 20 12:44:00 GMT 2018
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/
Thanks,
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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