Re: compiling gnunet 0.16.3 on openbsd

[Schanzenbach, Martin]

Yes. The IP DHT underlay implementation is simply not portable.
I just commited a fix to not built it for openbsd.

BR

> On 1. Apr 2022, at 09:30, Nikita Ronja Gillmann <gnunet@klang.is> wrote:
> 
> Hi,
> 
> PK_PKTINFO with a quick search seems to be implemented in NetBSD (turns up on 
> my system, never ran into this issue) and FreeBSD.
> OpenBSD had discussions in 2001, and fast-forward to 2016 it is not 
> implemented according to the Changelog of their usr/sbin/unbound:
> https://github.com/openbsd/src/blob/master/usr.sbin/unbound/doc/Changelog#L4522
> 
> Maybe this also holds a solution on how to solve this for gnunet.
> 
> On 4/1/22 09:05, Mikhail wrote:
>> On Thu, Mar 31, 2022 at 06:58:55PM +0000, Schanzenbach, Martin wrote:
>>> Hi Mikhail,
>>> 
>>> I just pushed some portability fixes to git master.
>>> I tried in a VM (with gcc, however) and it builds for me now on openbsd.
>>> Can you try again?
>>> It seems to me as if you are missing something in your toolchain.
>>> Maybe libtool? Can you check that you have installed all dependencies?
>> Yes, latest git started to build fine (clang 13), no 'srcdir' configure
>> hack is needed, but it failed to compile because of IP_PKTINFO being not
>> implemented.
>> 
>> I'm not sure what 'dhtu' module is doing, googling gives no answer - is
>> it possible to disable it?
>> 
>> 
>> Making all in dhtu
>>   CC       testing_dhtu_cmd_send.lo
>>   CCLD     libgnunettestingdhtu.la
>>   CC       plugin_dhtu_gnunet.lo
>>   CCLD     libgnunet_plugin_dhtu_gnunet.la
>>   CC       plugin_dhtu_ip.lo
>> plugin_dhtu_ip.c:857:37: error: use of undeclared identifier 'IP_PKTINFO'
>>                 (cmsg->cmsg_type == IP_PKTINFO),
>>                                     ^
>> plugin_dhtu_ip.c:860:30: error: use of undeclared identifier 'IP_PKTINFO'
>>          (cmsg->cmsg_type == IP_PKTINFO) )
>>                              ^
>> plugin_dhtu_ip.c:862:21: error: invalid application of 'sizeof' to an 
>> incomplete type 'struct in_pktinfo'
>>       if (CMSG_LEN (sizeof (struct in_pktinfo)) ==
>>                     ^      ~~~~~~~~~~~~~~~~~~~
>> /usr/include/sys/socket.h:546:58: note: expanded from macro 'CMSG_LEN'
>> #define CMSG_LEN(len)   (_ALIGN(sizeof(struct cmsghdr)) + (len))
>>                                                            ^~~
>> plugin_dhtu_ip.c:862:36: note: forward declaration of 'struct in_pktinfo'
>>       if (CMSG_LEN (sizeof (struct in_pktinfo)) ==
>>                                    ^
>> plugin_dhtu_ip.c:865:27: error: variable has incomplete type 'struct 
>> in_pktinfo'
>>         struct in_pktinfo pi;
>>                           ^
>> plugin_dhtu_ip.c:862:36: note: forward declaration of 'struct in_pktinfo'
>>       if (CMSG_LEN (sizeof (struct in_pktinfo)) ==
>>                                    ^
>> plugin_dhtu_ip.c:1033:23: error: use of undeclared identifier 'IP_PKTINFO'
>>                       IP_PKTINFO,
>>                       ^
>> 5 errors generated.
>> *** Error 1 in src/dhtu (Makefile:896 'plugin_dhtu_ip.lo': @echo "  CC      
>> " plugin_dhtu_ip.lo;/bin/sh ../../libtool --silent --tag=CC    -...)
>> *** Error 1 in src (Makefile:569 'all-recursive': @fail=;  if 
>> (target_option=k; case ${target_option-} in  ?) ;;  *) echo 
>> "am__make_running_...)
>> *** Error 1 in . (Makefile:651 'all-recursive': @fail=;  if 
>> (target_option=k; case ${target_option-} in  ?) ;;  *) echo 
>> "am__make_running_wi...)
>> *** Error 2 in /home/misha/work/gnunet (Makefile:516 'all')
>> 
>> 
>

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