Fix include path for rain demo so glut.h is found

diff --git a/progs/demos/Makefile b/progs/demos/Makefile
index dcddee1..456bd4a 100644 (file)
--- a/progs/demos/Makefile
+++ b/progs/demos/Makefile
@@ -159,10 +159,10 @@ rain: particles.o rain.o readtex.o
        $(CXX) $(LDFLAGS) $^ $(LIBS) -o $@
 
 rain.o: rain.cxx readtex.h
-       $(CXX) -c -I../ $(CXXFLAGS) $<
+       $(CXX) -c -I$(INCDIR) $(CXXFLAGS) $<
 
 particles.o: particles.cxx
-       $(CXX) -c -I../ $(CXXFLAGS) $<
+       $(CXX) -c -I$(INCDIR) $(CXXFLAGS) $<
 
 
 viewdds: viewdds.c