Based on some cursory googling, it's _not_ needed for FreeBSD, but I haven't tested. I'm not sure about the others.
A check for librt.so would be good; something like autoconf's AC_SEARCH_LIBS that actually searches libs for clock_get time() would be best. I don't know what CMake has to offer in that regard.
BWOn Nov 9, 2019 11:56 AM, Adrian Chadd <adrian(a)freebsd.org> wrote:
>
> is this applicable to the other BSDs too?
>
> Ideally the rule would be "only link in rt if it's present", right?
>
>
> -adrian
>
> On Sat, 9 Nov 2019 at 03:08, Brian Waters <brian(a)brianmwaters.net> wrote:
> >
> > Looks like I mistakenly included the patch as an attachment, so it may not have gone through. Here it is:
> >
> > diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
> > index 07d64ab..015fd48 100644
> > --- a/src/CMakeLists.txt
> > +++ b/src/CMakeLists.txt
> > @@ -125,7 +125,7 @@ if(UNIX)
> >Â target_link_libraries(rtl_fm m)
> >Â target_link_libraries(rtl_adsb m)
> >Â target_link_libraries(rtl_power m)
> > -if(APPLE)
> > +if(APPLE OR CMAKE_SYSTEM MATCHES "OpenBSD")
> >Â Â Â Â Â target_link_libraries(rtl_test m)
> >Â else()
> >Â Â Â Â Â target_link_libraries(rtl_test m rt)
> >
> > Thanks,
> > BW
> >
> > --
> > Brian M. Waters
> > brian(a)brianmwaters.net
> >
> > On Tue, Nov 5, 2019, at 5:05 PM, Brian Waters wrote:
> > > Gets rid of librt, which doesn't exist on OpenBSD. The version of
> > > librtlsdr in the OpenBSD ports tree is extremely old (~2013), so this
> > > should help some users.
> > >
> > > Tested against tag 0.6.0, but it should apply just fine to HEAD.
> > >
> > > Thanks,
> > > Brian Waters
> > >
> > > --
> > > Brian M. Waters
> > > brian(a)brianmwaters.net
> > > Attachments:
> > > * openbsd.patch