[Buildroot] [PATCH v2 1/1] package/avahi: add optional support for libcap

Peter Korsgaard peter at korsgaard.com
Sun Feb 21 20:43:00 UTC 2016


>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni at free-electrons.com> writes:

 > Dear Bernd Kuhls,
 > On Sun, 21 Feb 2016 18:57:19 +0100, Bernd Kuhls wrote:
 >> When libcap was compiled before, avahi daemon will use it as optional
 >> dependency:
 >> 
 >> $ output/host/usr/bin/x86_64-linux-readelf -a output/target/usr/sbin/avahi-daemon | grep NEEDED | sort
 >> 0x0000000000000001 (NEEDED)             Shared library: [libavahi-common.so.3]
 >> 0x0000000000000001 (NEEDED)             Shared library: [libavahi-core.so.7]
 >> 0x0000000000000001 (NEEDED)             Shared library: [libcap.so.2]
 >> [...]
 >> 
 >> The build system offers no option to en-/disable libcap support:
 >> http://git.0pointer.net/avahi.git/tree/configure.ac#n382
 >> 
 >> The check for libcap was placed inside the BR2_PACKAGE_AVAHI_DAEMON
 >> because only avahi-daemon uses libcap, it provides chroot support.

 > Still, the configure.ac test is done unconditionally (i.e regardless
 > of whether the daemon is enabled or not), so I believe we should also
 > do the same.

 > Peter, Yann, Arnout, your thoughts?

It's safer to do it unconditionally (and we are unlikely to have
problems with dependency loops with avahi/libcap, so that's not an issue
either).

So I would prefer to have it outside the _DAEMON conditional as well.

-- 
Venlig hilsen,
Peter Korsgaard 


More information about the buildroot mailing list