Check if -lrt is required for nanosleep, as is the case on Solaris.

inspired by a patch from Fabian Groffen, grobian gentoo org

Originally committed as revision 17537 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 3 insertions, 0 deletions

diff --git a/configure b/configure
index 42d01b1204..a8d094f40d 100755
--- a/configure
+++ b/configure
@@ -1900,6 +1900,9 @@ elif check_func dlopen -ldl; then
     ldl=-ldl
 fi
 
+# Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
+check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
+
 check_func  fork
 check_func  gethrtime
 check_func  getrusage