Makefile: Add missing lib

Signed-off-by: Timo Kokkonen <kaapeli@itanic.dy.fi>

diff --git a/Makefile b/Makefile
index 4f3207e4b49221df9d4ca6b60c85103fd8bd387c..cb158fe43edcc10e0be56048c1c2a1323ba974ae 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ SDL_CONFIG=$(shell sdl-config --cflags)
 SDL_LIBS=$(shell sdl-config --libs)
 CFLAGS=$(SDL_CONFIG) -Wall -O2 -g
 
-LIBS=$(SDL_LIBS) -lm
+LIBS=$(SDL_LIBS) -lm -lrt
 
 CC=gcc
 SPARSE=sparse