added swap interval control

[glpixels] / Makefile

diff --git a/Makefile b/Makefile
index bb38ce2..69d29a1 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ obj = glpixels.o
 bin = glpixels
 
 CFLAGS = -pedantic -Wall -g
-LDFLAGS = -lGL -lglut -lm
+LDFLAGS = -lX11 -lGL -lglut -lm
 
 $(bin): $(obj)
        $(CC) -o $@ $(obj) $(LDFLAGS)