Re: gcc issue

[Jakub Jelinek]

On Wed, Feb 04, 2009 at 10:35:09AM -0500, Steve wrote:
>  On my fully-up-to-date F9 system, this file, junk.c:
>  
>  #include <netinet/in.h>
>  
>  struct my_struct {
>  	struct	in6_addr	ipi6_addr;
>  	unsigned int	ipi6_ifindex;
>  };
>  
>  int main ( int argc, char **argv )
>  {
>  	int			x,y;
>  	struct	in6_pktinfo	junk;
>  	struct	my_struct	junk2;
>  
>  	x = sizeof (junk);
>  	y = sizeof (junk2);
>  }
>  
>  when compiled gives this error:
>  $ gcc -c junk.c
>  junk.c: In function ‘main’:
>  junk.c:12: error: storage size of ‘junk’ isn’t known 
Compile with
gcc -D_GNU_SOURCE -c junk.c
as struct in6_pktinfo is a GNU extension.
info libc 'Feature Test Macros'
for more info.

	Jakub