compiling file 3.26
Sun Mar 7 08:37:00 GMT 1999
John Zheng wrote:
> I downloaded file-3.26.tar.gz from ftp.astron.com, and tried to compile it.
> Near the end of compilation, I get the error:
> /a/cygnus/file-3.26/file.c:202: undefined reference to `errno'
> Do you know what the problem is? errno appears to be defined as:
> extern int errno; /* Some unixes don't define this.. */
The `extern' declaration of errno must be substituted with
Cygwin defines errno not as a global variable, but as a
#define to a function call. This is needed, because it
wouldn't be reentrant else.
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