radvd: fix build against older glibc
authorBaruch Siach <baruch@tkos.co.il>
Fri, 27 Jun 2014 07:30:30 +0000 (10:30 +0300)
committerPeter Korsgaard <peter@korsgaard.com>
Fri, 27 Jun 2014 11:09:22 +0000 (13:09 +0200)
commite92fb1f90f1b51cd111105d86c058fdca6f3434a
treea301d1996fbc4ece4ffa7ff3070eeb6d09aaf091
parent9c169981c3fcab95c284c42e81bca16caf3950e3
radvd: fix build against older glibc

clock_gettime() requires -lrt when linking against glibc older than 2.17.

Fixes:
http://autobuild.buildroot.net/results/e07/e07dd9a82ae4c8778b6901b9bd777f5affb9293a/

[Peter: add comment in .mk as well]
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
package/radvd/radvd.mk