fix-up rules for sphere demo, which uses readtex utility

diff --git a/progs/samples/Makefile b/progs/samples/Makefile
index 36de6e28cf20fe2ee28680c7733261fdeccb500d..2b8ea09fa128129462620d16fad119bb80dc294b 100644 (file)
--- a/progs/samples/Makefile
+++ b/progs/samples/Makefile
@@ -18,8 +18,7 @@ PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
 .SUFFIXES: .c
 
 .c: $(LIB_DEP)
-       $(CC) -I$(INCDIR) $(CFLAGS) $< $(APP_LIB_DEPS) -o $@
-
+       $(CC) -I$(INCDIR) $(CFLAGS) $< readtex.o $(APP_LIB_DEPS) -o $@
 
 
 ##### TARGETS #####
@@ -27,6 +26,22 @@ PROGS = accum bitmap1 bitmap2 blendeq blendxor copy cursor depth eval fog \
 default: $(PROGS)
 
 
+sphere: sphere.o readtex.o
+       $(CC) -I$(INCDIR) $(CFLAGS) sphere.o readtex.o $(APP_LIB_DEPS) -o $@
+
+sphere.o: sphere.c readtex.h
+       $(CC) -c -I$(INCDIR) $(CFLAGS) sphere.c
+
+readtex.c: ../util/readtex.c
+       cp ../util/readtex.c .
+
+readtex.h: ../util/readtex.h
+       cp ../util/readtex.h .
+
+readtex.o: readtex.c readtex.h
+       $(CC) -c -I$(INCDIR) $(CFLAGS) $< -o $@
+
+
 clean:
        -rm -f $(PROGS)
        -rm -f *.o *~