Trouble compiling a simple program

[Bevan C. Bennett]

Todd MacDermid wrote:
> Hey all, I appear to be having an issue compiling a simple program
> under Fedora Core 1. the program is as follows:
> 
> #include <linux/ip.h>
> #include <stdio.h>
> 
> int main() {
> 
>   printf("Foo\n");
>   return(0);
> }
> 
> And attempting to compile it gives me:
> 
> [tmacd at bahamut src]$ gcc -g -O2 -Wall -c test.c 
> In file included from test.c:1:
> /usr/include/linux/ip.h:95: parse error before `__u8'
> /usr/include/linux/ip.h:95: warning: no semicolon at end of struct or union
> /usr/include/linux/ip.h:101: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:102: parse error before `tot_len'
> /usr/include/linux/ip.h:102: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:103: parse error before `id'
> /usr/include/linux/ip.h:103: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:104: parse error before `frag_off'
> /usr/include/linux/ip.h:104: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:105: parse error before `ttl'
> /usr/include/linux/ip.h:105: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:106: parse error before `protocol'
> /usr/include/linux/ip.h:106: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:107: parse error before `check'
> /usr/include/linux/ip.h:107: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:108: parse error before `saddr'
> /usr/include/linux/ip.h:108: warning: data definition has no type or storage class
> /usr/include/linux/ip.h:109: parse error before `daddr'
> /usr/include/linux/ip.h:109: warning: data definition has no type or storage class
> [tmacd at bahamut src]$ 
> 
> This is just an example of a problem that's been keeping me from compiling
> a more complex program, which compiled under RH9, but doesn't compile
> due to header file problems under Fedora. Is there a prerequisite to
> including linux/ip.h, or am I hitting some other issue?
> 
> Any insight is much appreciated,

Add:
#include <linux/types.h>

and it should be fine.

linux/ip.h should probably include it itself.
It wasn't in bugzilla, so I added it.