[Tcsh] tcsh does not build with -fno-common

[Christos Zoulas]

Fixed, thanks!

christos

> On Jan 8, 2020, at 5:59 AM, Dr. Werner Fink <werner at suse.de> wrote:
> 
> Signed PGP part
> Hi,
> 
> the variable handle_interrupt occurs twice, that is in tc.sig.c and as
> well as in sh.c because the declaration in sh.h looks like
> 
>   EXTERN int    handle_interrupt IZERO;/* Are we currently handling an interrupt? */
> 
> and before sh.h is included there is in sh.c
> 
>   #define EXTERN  /* Intern */
>   #include "sh.h"
> 
> ... seems that the compiler is right here.
> 
> Werner
> 
> --
>  "Having a smoking section in a restaurant is like having
>          a peeing section in a swimming pool." -- Edward Burr
> 
> 

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