+LIBSDIRNAME := libs/
+SRCLIBSDIR := ${LIBSDIRNAME}
+ifeq (${BUILD},WIN32)
+ DSTLIBSDIR := ${WORKINGDIR}
+else
+ DSTLIBSDIR := ${WORKINGDIR}${LIBSDIRNAME}
+endif
+
+LIBSTXT := # := start
+LIBSTXT += COPYING-SDL
+LIBSTXT += README-SDL
+LIBSTXT += VERSION-SDL
+LIBSTXT := $(addprefix ${DSTLIBSDIR},${LIBSTXT})
+
+LIBSCPY := # := start
+ifeq (${BUILD},WIN32)
+ LIBSCPY += SDL.dll
+ LIBSCPY += pg.dll
+else
+ LIBSCPY += libSDL-1.2.so.0
+ LIBSCPY += libpg.so.0
+endif
+LIBSCPY := $(addprefix ${DSTLIBSDIR},${LIBSCPY})
+
+SRCTXTDIR :=
+DSTTXTDIR := ${WORKINGDIR}
+
+TXT := # := start
+TXT += COPYING
+TXT := $(addprefix ${DSTTXTDIR},${TXT})
+
+ifeq (${BUILD},WIN32)
+ TARGETNAME := run_physics.exe
+else
+ TARGETNAME := run_physics
+endif