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Re: Why won't my files link?

On Wed, Feb 05, 2003 at 05:23:45PM -0500, Nick Miller wrote:
>Okay everyone... thank you for your help and for your feedback.  Allow me
>to attempt to clarify a little bit more...
>1) I am new to GCC.  I am new to C.  I had worked until Java until
>2) I used the SAME io_functions.o file in both Cygwin and Linux.  This
>file was generated by a CS professor at my school using GCC.  When I use
>gcc -o main fun.o io_functions.o main.o
>command (is it inappropriate to call it a command?), it works fine on
>Linux.  It did not work in Cygwin and I wrote the list to see if maybe
>someone knew of a discrepancy.
>The idea of some libraries being absent from the Cygwin package or my
>machine specifically sound likely... the error messages are as follows...
>io_functions.o(.text+0x13): In function 'read_array':
>: undefined reference to 'fopen'
>io_functions.o(.text+0x4f): In function 'read_array':
>:undefined reference to 'printf'

You need to '#include <stdio.h>' in io_functions.c.


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