dhcpcd-discuss

On 17/04/2014 11:30, Olaf Westrik wrote:
> On 2014-04-17 12:07, Roy Marples wrote:
>
> > _BSD_SOURCE is defined so that the BSD UDP header definitons are used.
> > Can you try adding this line in the include section at the top of
> > dhcpcd.c please?
> >
> > #include <fcntl.h>
>
> That does not make a difference.
>
> Only after adding -D_GNU_SOURCE (for example in config.mk) __USE_GNU
> is defined via features.h and O_CLOEXEC is defined.
>
> Adding _GNU_SOURCE results in another problem though:
> cc  -Os -march=i486 -mtune=pentium -pipe -fomit-frame-pointer -Wall
> -Wextra -std=c99 -D_BSD_SOURCE -D_XOPEN_SOURCE=700 -D_GNU_SOURCE
> -DINET -DINET6 -DPLUGIN_DEV -I./crypt -c dhcpcd.c -o dhcpcd.o
> In file included from ipv6.h:39,
>                  from net.h:41,
>                  from dhcp.h:247,
>                  from dhcp6.h:100,
>                  from dhcpcd.c:59:
> /usr/include/linux/ipv6.h:19: error: redefinition of 'struct 
> in6_pktinfo'
> /usr/include/linux/ipv6.h:24: error: redefinition of 'struct 
> ip6_mtuinfo'
> make: *** [dhcpcd.o] Error 1

Sounds like you need to update your libc headers.
From the man page [1] you need to update to glibc-2.12

Is this possible?

Roy

[1] http://man7.org/linux/man-pages/man2/open.2.html