On Fri, Sep 28, 2007 at 11:14:00PM +0100, Stefan Schulze Frielinghaus wrote:
> I'm trying to port a tool from solaris 10 to Fedora 7. While running gcc
> I get some strange errors. Example app:
>
> include <netinet/in.h>
>
> int main() {
> const int segments = 100;
> inet6_rth_space(IPV6_RTHDR_TYPE_0, segments);
>
> return 0;
> }
>
> While running gcc the following output is created:
>
> > $ gcc -Wall -o test test.c
> > test.c: In function ‘main’:
> > test.c:5: warning: implicit declaration of function ‘inet6_rth_space’
>
> Under solaris it compiles just fine. Does someone know whats wrong?
This function is an extension, isn't part of e.g. SuS, current POSIX, etc.
If you compile with -D_GNU_SOURCE, it will be enabled.
For more info run
info libc 'Feature Test Macros'
Jakub
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