New parameter in GCC
Ian Lance Taylor
iant@google.com
Tue Aug 2 21:41:00 GMT 2011
Harry Trinta <harrytpc@gmail.com> writes:
> I wonder how do I create a parameter in Gcc.
> For example, I want the user to pass a ip address in the compilation.
> I'll use this ip later.
>
> So the question is, how to record a new parameter in Gcc?
Can you give a code example?
Take a look at the -D option. It lets you write
gcc -DADDR=127.0.0.1 foo.c
and then in foo.c
const char *s = ADDR;
Ian
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