_impure_ptr error mesage

[Mumit Khan]

Mark Schoenberg <mark@lpb.niams.nih.gov> writes:
>      I have installed gcc-2.95 separate from Cygwin-b20.1 and have been
> experiencing problems using it instead of the b20.1 gcc.  Does anyone know th
> e
> meaning of the error message "undefined reference to _impure_ptr" which seems
> to appear for me using gcc-2.95 with "-mno-cygwin" when I have used code that
> references things like getchar, putchar, getc (but not fgetc), putc (but not
> fputc), stdout and stderr.  Could it mean that these things are included in
> Cygwin but not the latest port of Mingw?  That would be wierd!  Is it possibl
> e
> I need a #include<whatever.h> in my code?
> 

Please see my mno-cygwin howto at
http://www.xraylith.wisc.edu/~khan/software/gnu-win32/#mno-cygwin

Regards,
Mumit


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