$OpenBSD: patch-Makefile,v 1.6 2003/01/21 21:59:51 pvalchev Exp $
--- Makefile.orig	Mon Mar 25 12:11:27 2002
+++ Makefile	Tue Jan 21 14:50:05 2003
@@ -3,14 +3,13 @@
 #===============
 
 # Install Paths
-PREFIX := /usr/local
-INSTALL_DIR := ${PREFIX}/games/amph
+INSTALL_DIR := ${PREFIX}/share/amph
 
 # Libraries
 USE_LIB_XPM := TRUE
 
 SDL_CONFIG := sdl-config
-SDL_HEADERS := $(shell $(SDL_CONFIG) --cflags)
+SDL_HEADERS := $(shell $(SDL_CONFIG) --cflags) -I${LOCALBASE}/include -I${X11BASE}/include
 SDL_LIBS := $(shell $(SDL_CONFIG) --libs)
 
 #=======================================================
@@ -26,19 +25,19 @@ SEARCHDIRS := -I${MYCODEDIR} ${SDL_HEADE
 
 # makemake variables
 
-LINKER       := g++
+LINKER       := ${CXX}
 DEPENDFLAGS  := -g  ${SEARCHDIRS}
 TOUCHHEADERS := ${MYCODEDIR}/*.h
 
 # C
 
-CC     := gcc
-CFLAGS  = ${DEPENDFLAGS}
+CC     ?= gcc
+CFLAGS  += ${DEPENDFLAGS}
 
 # C++
 
-CXX      := g++
-CXXFLAGS  = ${DEPENDFLAGS} -O9 -funroll-loops -fomit-frame-pointer -ffast-math -Wcast-align
+CXX      ?= g++
+CXXFLAGS  += ${DEPENDFLAGS} -funroll-loops -fomit-frame-pointer -ffast-math -Wcast-align
 
 %.o : %.cpp
 	${CXX} ${CPPFLAGS} -c $< ${CXXFLAGS} -o $@
@@ -47,7 +46,7 @@ CXXFLAGS  = ${DEPENDFLAGS} -O9 -funroll-
 	${CXX} ${CPPFLAGS} -c $< ${CXXFLAGS}
 
 # C preprocessor (C, C++, FORTRAN)
-CPPFLAGS = -DINSTALL_DIR="\"${INSTALL_DIR}\""
+CPPFLAGS += -DINSTALL_DIR="\"${INSTALL_DIR}\""
 
 ifeq ($(USE_LIB_XPM), TRUE)
     CPPFLAGS := $(CPPFLAGS) -D_USE_LIB_XPM 
@@ -194,7 +193,7 @@ jdepend:
 
 ./src/Surface.o: ./src/AmpHead.hpp ./src/Clut.hpp ./src/ConstVal.hpp ./src/Graphfil.hpp ./src/Shape.hpp ./src/ShapeLd.hpp ./src/Surface.hpp ./src/System.hpp /usr/include/limits.h /usr/include/math.h /usr/include/stdio.h /usr/include/stdlib.h
 
-./src/System.o: ./src/AmpHead.hpp ./src/Graphfil.hpp ./src/System.hpp /usr/include/X11/xpm.h /usr/include/fcntl.h /usr/include/limits.h /usr/include/math.h /usr/include/stdio.h /usr/include/stdlib.h /usr/include/string.h /usr/include/sys/stat.h /usr/include/sys/time.h /usr/include/sys/types.h /usr/include/unistd.h
+./src/System.o: ./src/AmpHead.hpp ./src/Graphfil.hpp ./src/System.hpp /usr/X11R6/include/X11/xpm.h /usr/include/fcntl.h /usr/include/limits.h /usr/include/math.h /usr/include/stdio.h /usr/include/stdlib.h /usr/include/string.h /usr/include/sys/stat.h /usr/include/sys/time.h /usr/include/sys/types.h /usr/include/unistd.h
 
 ./src/Thing.o: ./src/AmpHead.hpp ./src/Appl.hpp ./src/Bullet.hpp ./src/ConstVal.hpp ./src/Element.hpp ./src/File.hpp ./src/Graphfil.hpp ./src/Level.hpp ./src/ObjInfo.hpp ./src/Object.hpp ./src/Pltform.hpp ./src/Shape.hpp ./src/ShapeLd.hpp ./src/Surface.hpp ./src/System.hpp ./src/Thing.hpp /usr/include/limits.h /usr/include/math.h /usr/include/stdio.h /usr/include/stdlib.h