gentoo-overlay/games-action/battalion/files/battalion-1.4b-fix-build-system.patch

--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,6 @@
 # (the program should compile with no warning messages - if you
 #  see a warning message please let me know about it)
 # ------------------------------------------------------------
-CC = cc
 
 
 # STEP 2: IF YOU WANT TO COMPILE WITH THE MESA LIBRARIES THEN
@@ -39,7 +38,8 @@
 # ------------------------------------------------------------
 #GLIB = -lMesaGL -lMesaGLU
 # or
-GLIB =  -lGL -lGLU
+GLIB_CFLAGS = `pkg-config --cflags gl` `pkg-config --cflags glu`
+GLIB_LIBS = `pkg-config --libs gl` `pkg-config --libs glu`
 
 
 # STEP 4: CHOOSE WHICH HARDWARE / OS YOU ARE RUNNING
@@ -91,13 +91,11 @@
 
 # STEP 7: CHOOSE ANY OPTIMIZATIONS OR ADD ANY SPECIAL INCLUSIONS
 # ------------------------------------------------------------
-CFLAGS     = -O2  -I/usr/local/X11/include -I/usr/demo/SOUND/ -I./. $(AUDIODEF) $(OS)
 
 
 # STEP 8: ADD ANY SPECIAL LIBRARY PATHS
 #         (USEFUL TO POINT TO WHERE THE MESA LIBRARIES RESIDE)
 # ------------------------------------------------------------
-LIBFLAGS     = 
 
 # you should now be able to type 'make' and everything should be fine ...
 
@@ -106,15 +104,16 @@
 TARGET 	= battalion
 
 OBJ 	= battalion.o audio.o net.o gprim.o graphics.o objects.o text.o update.o tk.o font.o soundIt.o
-LIBS    = -L./. -L/usr/X11R6/lib -lm -lX11 -lXext
+my_CPPFLAGS = -lm `pkg-config --cflags x11` `pkg-config --cflags xext` -I./. $(AUDIODEF) $(OS)
+my_LIBS = -lm `pkg-config --libs x11` `pkg-config --libs xext`
 
 all:	$(TARGET)
 
-#$(OBJ): $(?:.o=.c)
-#	$(CC) $(CFLAGS) $(LIBFLAG) $(OS) $(WHICHLIB) $(AUDIOLIB) -c $?
+.c.o:
+	$(CC) $(CPPFLAGS) $(my_CPPFLAGS) $(CFLAGS) $(GLIB_CFLAGS) $(OS) $(WHICHLIB) $(AUDIOLIB) -c $<
 
 $(TARGET): $(OBJ)
-	$(CC) -o $(TARGET) $(OBJ) $(LIBFLAGS) $(GLIB) $(LIBS) $(AUDIODEF)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(GLIB_LIBS) $(LIBS) $(my_LIBS) $(AUDIODEF)
 
 clean:
 	rm -f $(OBJ)