Initial commit

mk/conf.CW6.WIN32.mk

@@ -0,0 +1,49 @@
+
+O=.obj
+EXT.EXE=$(BUILD_SUFFIX).exe
+EXT.LIB=$(BUILD_SUFFIX).lib
+EXT.DLL=$(BUILD_SUFFIX).dll
+EXT.DLE=$(BUILD_SUFFIX).dle
+EXT.DEP=.dep
+
+MKDIR=mkdir $(@:/=)
+RM=rm -f
+RMDIR=rm -rf
+CP=cp
+LN=cp
+
+COMPILER.c 		=mwcc.exe
+COMPILER.cc		=mwcc.exe
+COMPILER.asm	=..\bin\nasm\nasmw.exe
+COMPILER.rc     =rc.exe        # codeWarrior does NOT have a commandline resource compiler, use VC++ if exists
+LINK=mwld.exe
+
+#-nodefaults
+CFLAGS.GENERAL    =-msgstyle gcc -enum int -align 4 -proc 586 -inst mmx -nosyspath \
+                   -warn on -warn nounusedexpr -warn nounusedarg -warn nounusedvar -warn noemptydecl \
+                   -maxerrors 10 -maxwarnings 10 
+CFLAGS.RELEASE    =-opt full -sym on 
+CFLAGS.DEBUG      =-opt level=0 -inline off -sym on -DTORQUE_DEBUG
+CFLAGS.DEBUGFAST  =-opt level=2, schedule -inline smart -sym on 
+
+ASMFLAGS          = -f win32
+
+LFLAGS.GENERAL    =
+LFLAGS.RELEASE    =-sym codeview
+LFLAGS.DEBUG      =-sym codeview
+
+#dxguid.lib dxerr8.lib ole32.lib shell32.lib
+
+#winmm.lib kernel32.lib user32.lib gdi32.lib comdlg32.lib advapi32.lib 
+
+LINK.LIBS.GENERAL      = gdi32.lib kernel32.lib user32.lib wsock32.lib comdlg32.lib winmm.lib advapi32.lib uuid.lib vfw32.lib
+LINK.LIBS.RELEASE      = mwcrtl.lib  ansiCx86.lib  ansiCPPx86.lib
+LINK.LIBS.DEBUG        = mwcrtld.lib ansiCx86d.lib ansiCPPx86d.lib 
+
+PATH.H.SYS        =
+#PATH.H.SYS        =-I- -I"$(CWINSTALL)\MSL\MSL_C\MSL_Common\Include" \
+#                       -I"$(CWINSTALL)\MSL\MSL_C++\MSL_Common\Include" \
+#                       -I"$(CWINSTALL)\Win32-x86 Support\Headers\Win32 SDK" \
+#                       -I"$(CWINSTALL)\Win32-x86 Support\Headers\precompiled headers" \
+#                       -I"$(CWINSTALL)\MSL\MSL_C\MSL_Win32\Include"
+

mk/conf.CW6.mk

@@ -0,0 +1,67 @@
+
+
+CFLAGS    = $(CFLAGS.GENERAL) $(CFLAGS.$(BUILD))
+LFLAGS    = $(LFLAGS.GENERAL) $(LFLAGS.$(BUILD))
+LINK.LIBS = $(LINK.LIBS.GENERAL) $(LINK.LIBS.$(BUILD))
+
+define DO.COMPILE.C 
+	@echo Compiling $< 
+	@-mwcc $(CFLAGS) -MMD -I. $(PATH.H.SYS) -c $(<) -o $(dir $@)
+endef
+
+define DO.COMPILE.CC 
+	@echo Compiling $<
+	@-mwcc $(CFLAGS) -MMD -I. $(PATH.H.SYS) -c $(<) -o $(dir $@)
+endef
+
+define DO.COMPILE.ASM
+	@echo Compiling $<
+	nasmw $(ASMFLAGS) $(<) -o $@
+endef
+
+define DO.COMPILE.RC
+	# Assumes existance of MSVC environment variable set to the root of the 
+	# VC++ install directory typically C:\Program Files\Microsoft Visual Studio\VC98
+	@echo Compiling $<
+	@$(COMPILER.rc) $(RCFLAGS) /i'$(MSVC)\mfc\include' /fo$@ $(<)
+endef
+
+
+define DO.LINK.CONSOLE.EXE
+	@echo Linking $@ 
+	@mwld $(LFLAGS) -application -subsystem console -o $@ \
+	$(addprefix -L, $(LIB.PATH)) \
+	$(addprefix -l, $(LINK.LIBS)) \
+	$(LINK.SOURCES) 
+endef
+
+define DO.LINK.GUI.EXE
+	@echo Linking $@ 
+	@mwld $(LFLAGS) -application -subsystem windows -o $@ \
+	$(addprefix -L, $(LIB.PATH)) \
+	$(addprefix -l, $(LINK.LIBS)) \
+	$(LINK.SOURCES) 
+endef
+
+define DO.LINK.LIB
+	@echo Linking $@ 
+	@mwld $(LFLAGS) -library -o $@ \
+   $(LINK.SOURCES) 
+endef
+
+# $(DLLLFLAGS) -osym $(@, R, >.sym) -shared -export dllexport $(DLLXLIBS) 
+#  -subsystem windows -o $@ -l$[s," -l",$[t,;," ", $(DLLLIBS)]] $(.SOURCES, M"*.obj")
+
+
+define DO.LINK.DLL
+	@echo Linking $@ 
+	mwld $(LFLAGS) -shared -export dllexport \
+	$(addprefix -L, $(LIB.PATH)) \
+	-subsystem windows \
+	-o $@ \
+	$(addprefix -l, $(LINK.LIBS)) \
+	$(LINK.SOURCES) \
+   $(LINK.RESOURCES) \
+   $(patsubst %, -f %, $(LINK.DEFS)) 
+endef
+

mk/conf.GCC.mk

@@ -0,0 +1,31 @@
+
+
+CFLAGS    = $(CFLAGS.GENERAL) $(CFLAGS.$(BUILD))
+LFLAGS    = $(LFLAGS.GENERAL) $(LFLAGS.$(BUILD))
+LINK.LIBS = $(LINK.LIBS.GENERAL) $(LINK.LIBS.$(BUILD))
+
+
+define DO.COMPILE.C 
+	@echo "--> Compiling $(<)"
+	@$(COMPILER.c) $(CFLAGS) -I. $(PATH.H.SYS) -c -o $(@) $(<)
+endef
+
+define DO.COMPILE.CC 
+	@echo "--> Compiling $(<)"
+	@$(COMPILER.cc) $(CFLAGS) -I. $(PATH.H.SYS) -c -o $(@) $(<)
+endef
+
+define DO.COMPILE.ASM
+	@echo "--> Assembling $(<)"
+	@$(COMPILER.asm) $(ASMFLAGS) -o $@ $(<)
+endef
+
+define DO.LINK.CONSOLE.EXE
+	@echo "--> Linking $@"
+	@$(COMPILER.cc) -o $@ $(LFLAGS) $(LINK.SOURCES) $(LINK.LIBS)
+endef
+
+define DO.LINK.LIB
+	@echo "Creating library $@"
+	@$(LINK) -cr $@ $(LINK.SOURCES)
+endef

mk/conf.GCC2.FreeBSD.mk

@@ -0,0 +1,11 @@
+include ../mk/conf.UNIX.mk
+
+# override defaults
+
+CFLAGS.GENERAL    = -DUSE_FILE_REDIRECT -I/usr/X11R6/include/ -march=i586 \
+		    -mcpu=i686 -ffast-math -fno-exceptions #-fno-check-new 
+
+# GLU must be statically linked, otherwise torque will crash.
+LINK.LIBS.GENERAL = -Wl,-static -Wl,-lGLU -Wl,-dy -L/usr/X11R6/lib -L/usr/local/lib -lSDL -pthread # -lefence
+
+LINK.LIBS.SERVER  = -pthread

mk/conf.GCC2.LINUX.mk

@@ -0,0 +1,6 @@
+include ../mk/conf.UNIX.mk
+
+# any setting in conf.UNIX.mk can be overridden here.  compiler name
+# is commonly overridden, since it varies depending on the distro.
+#COMPILER.c      =gcc
+#COMPILER.cc     =g++

mk/conf.GCC2.OpenBSD.mk

@@ -0,0 +1,2 @@
+include ../mk/conf.UNIX.mk
+

mk/conf.GCC2.WIN32.mk

@@ -0,0 +1,48 @@
+O=.obj
+# there is no "exe" for x86 UNIX, but the makefiles need some extension so use this for now.
+EXT.EXE=$(BUILD_SUFFIX).exe
+EXT.LIB=$(BUILD_SUFFIX).a
+PRE.LIBRARY.LIB=../lib/$(DIR.OBJ)/
+PRE.ENGINE.LIB=../engine/$(DIR.OBJ)/
+
+# we won't be needing any DLLs, but just leave the def'n in place.
+EXT.DLL=$(BUILD_SUFFIX).dll
+EXT.DLE=$(BUILD_SUFFIX).dle
+EXT.DEP=.d
+
+MKDIR=mkdir $(@:/=)
+RM=rm -f
+RMDIR=rm -rf
+CP=cp
+LN=cp
+
+COMPILER.c      =gcc
+COMPILER.cc     =g++
+COMPILER.asm    =../bin/nasm/nasmw.exe
+LINK            =ar
+LINK.cc         =ld
+
+# NOTE: if the warnings bother you, you can added a -w here to shut them off.  
+# be warned that you will then get no warnings.
+CFLAGS.GENERAL    = -Wno-conversion -MD -march=i586 -fvtable-thunks -fno-exceptions -fpermissive
+CFLAGS.RELEASE    =-O2 -finline-functions -fomit-frame-pointer \
+				  # -malign-double -ffast-math  # these haven't been tested
+CFLAGS.DEBUG      =-g -DTORQUE_DEBUG
+
+ASMFLAGS          =-f win32 
+
+LFLAGS.GENERAL    = -m i386pe
+LFLAGS.RELEASE    =
+LFLAGS.DEBUG      =
+
+LINK.LIBS.VORBIS  = ../lib/vorbis/win32/libogg.a ../lib/vorbis/win32/libvorbis.a ../lib/vorbis/win32/libogg.a
+LINK.LIBS.GENERAL = -lmingw32 -lcomdlg32 -luser32 -ladvapi32 -lgdi32 -lwinmm -lwsock32 -lvfw32 $(LINK.LIBS.VORBIS)
+LINK.LIBS.TOOLS   = -lmingw32 -lcomdlg32 -luser32 -ladvapi32 -lgdi32 -lwinmm -lwsock32 -lvfw32
+LINK.LIBS.SERVER  = 
+LINK.LIBS.RELEASE = 
+LINK.LIBS.DEBUG   = 
+
+PATH.H.SYS        =
+
+COMPILE_D3D=false
+

mk/conf.GCC2.mk

@@ -0,0 +1 @@
+include ../mk/conf.GCC.mk

mk/conf.GCC3.LINUX.mk

@@ -0,0 +1,6 @@
+include ../mk/conf.UNIX.mk
+
+# any setting in conf.UNIX.mk can be overridden here.  compiler name
+# is commonly overridden, since it varies depending on the distro.
+#COMPILER.c      =gcc
+#COMPILER.cc     =g++

mk/conf.GCC3.OpenBSD.mk

@@ -0,0 +1,5 @@
+include ../mk/conf.UNIX.mk
+
+# override compilers
+COMPILER.c      =gcc3
+COMPILER.cc     =g++3

mk/conf.GCC3.WIN32.mk

@@ -0,0 +1,48 @@
+O=.obj
+# there is no "exe" for x86 UNIX, but the makefiles need some extension so use this for now.
+EXT.EXE=$(BUILD_SUFFIX).exe
+EXT.LIB=$(BUILD_SUFFIX).a
+PRE.LIBRARY.LIB=../lib/$(DIR.OBJ)/
+PRE.ENGINE.LIB=../engine/$(DIR.OBJ)/
+
+# we won't be needing any DLLs, but just leave the def'n in place.
+EXT.DLL=$(BUILD_SUFFIX).dll
+EXT.DLE=$(BUILD_SUFFIX).dle
+EXT.DEP=.d
+
+MKDIR=mkdir $(@:/=)
+RM=rm -f
+RMDIR=rm -rf
+CP=cp
+LN=cp
+
+COMPILER.c      =gcc
+COMPILER.cc     =g++
+COMPILER.asm    =../bin/nasm/nasmw.exe
+LINK            =ar
+LINK.cc         =ld
+
+# NOTE: if the warnings bother you, you can added a -w here to shut them off.  
+# be warned that you will then get no warnings.
+CFLAGS.GENERAL    = -mwin32 -Wno-conversion -MD -march=i586 -fno-exceptions -fpermissive
+CFLAGS.RELEASE    =-O2 -finline-functions -fomit-frame-pointer \
+				  # -malign-double -ffast-math  # these haven't been tested 
+CFLAGS.DEBUG      =-g -DTORQUE_DEBUG
+
+ASMFLAGS          =-f win32 
+
+LFLAGS.GENERAL    = -m i386pe
+LFLAGS.RELEASE    =
+LFLAGS.DEBUG      =
+
+LINK.LIBS.VORBIS  = ../lib/vorbis/win32/libogg.a ../lib/vorbis/win32/libvorbis.a ../lib/vorbis/win32/libogg.a
+LINK.LIBS.GENERAL = -lcomdlg32 -luser32 -ladvapi32 -lgdi32 -lwinmm -lwsock32 -lvfw32 $(LINK.LIBS.VORBIS)
+LINK.LIBS.TOOLS   = -lcomdlg32 -luser32 -ladvapi32 -lgdi32 -lwinmm -lwsock32 -lvfw32
+LINK.LIBS.SERVER  = -lcomdlg32 -luser32 -ladvapi32 -lgdi32 -lwinmm -lwsock32 -lvfw32
+LINK.LIBS.RELEASE = -lcomdlg32 -luser32 -ladvapi32 -lgdi32 -lwinmm -lwsock32 -lvfw32
+LINK.LIBS.DEBUG   = -lcomdlg32 -luser32 -ladvapi32 -lgdi32 -lwinmm -lwsock32 -lvfw32
+
+PATH.H.SYS        =
+
+COMPILE_D3D=false
+

mk/conf.GCC3.mk

@@ -0,0 +1 @@
+include ../mk/conf.GCC.mk

mk/conf.UNIX.mk

@@ -0,0 +1,78 @@
+O=.obj
+# there is no "exe" for x86 UNIX, but the makefiles need some extension so use this for now.
+EXT.EXE=$(BUILD_SUFFIX).bin
+EXT.LIB=$(BUILD_SUFFIX).a
+PRE.LIBRARY.LIB=../lib/$(DIR.OBJ)/
+PRE.ENGINE.LIB=../engine/$(DIR.OBJ)/
+
+# we won't be needing any DLLs, but just leave the def'n in place.
+EXT.DLL=$(BUILD_SUFFIX).dll
+EXT.DLE=$(BUILD_SUFFIX).dle
+EXT.DEP=.d
+
+MKDIR=mkdir -p $(@:/=)
+RM=rm -f
+RMDIR=rm -rf
+CP=cp
+LN=cp
+
+# these compiler names can be overridden on conf.GCC2.LINUX.mk and 
+# conf.GCC3.LINUX.mk.  These two files allow you to build the same source
+# tree with two different compilers without introducing conflicts.
+COMPILER.c      =gcc
+COMPILER.cc     =g++
+COMPILER.asm    =nasm
+LINK            =ar
+LINK.cc         =ld
+
+# Noteworthy compiler options:
+
+# -DUSE_FILE_REDIRECT: enable fileio redirection to home directory.  The 
+#   exact location is ~/.PREF_DIR_ROOT/PREF_DIR_GAME_NAME.  These are set in
+#   platformX86UNIX.h.  You can disable redirection at run time with the
+#   -nohomedir command line paramater.  Files will then be stored in the game
+#   directory, like the windows version.
+# -MD: generate .d dependency makefiles.  These are necessary if you want
+#   to cleanly do partial builds.  
+# -w: disable all warnings
+# -fno-exceptions is safe to use (if your code doesn't use exceptions), 
+#    but it is disabled by default
+# -fno-check-new is not tested
+CFLAGS.GENERAL    = -DUSE_FILE_REDIRECT -I/usr/X11R6/include/ -MD -march=i586 \
+		    `freetype-config --cflags` -mcpu=i686 -ffast-math -pipe 
+
+		    #-w -fno-exceptions -fno-check-new 
+CFLAGS.RELEASE    = -O2 -finline-functions -fomit-frame-pointer 
+CFLAGS.DEBUG      = -g -DTORQUE_DEBUG # -DTORQUE_DISABLE_MEMORY_MANAGER
+CFLAGS.DEBUGFAST  = -O -g -finline-functions 
+
+ASMFLAGS          = -f elf -dLINUX
+
+LFLAGS.GENERAL    = 
+LFLAGS.RELEASE    =
+LFLAGS.DEBUG      =
+
+# the included vorbis libs are used by default.  You
+# can use your own libs if you want, just comment out the following
+# variable and uncomment the one after it.  Note, the executable will not
+# automatically use the sdk ogg/vorbis libraries because they are not in the
+# system path.  This means that if you don't have vorbis installed, you will
+# get runtime errors from the executable unless you use the "runtorque.sh"
+# script to start it.
+LINK.LIBS.VORBIS  =  ../lib/xiph/linux/libogg.so.0 ../lib/xiph/linux/libvorbis.so.0 ../lib/xiph/linux/libtheora.so.0
+# the following uses the system libraries 
+#LINK.LIBS.VORBIS = -logg -lvorbis
+
+# GLU must be statically linked, otherwise torque will crash.
+# JMQNOTE: aside from gluProject/unProject, GLU doesn't work.  
+# calling a GLU function that calls a GL function will cause a 
+# crash.  let me know if you have a fix :)
+LINK.LIBS.GENERAL = $(LINK.LIBS.VORBIS) -Wl,-static -Wl,-lGLU -Wl,-dy -L/usr/X11R6/lib -lSDL -lpthread -ldl # -lefence
+
+LINK.LIBS.TOOLS   = $(LINK.LIBS.VORBIS) -Wl,-static -Wl,-lGLU -Wl,-dy -L/usr/X11R6/lib -lSDL -lpthread -ldl # -lefence
+# -lefence is useful for finding memory corruption problems
+LINK.LIBS.SERVER  = $(LINK.LIBS.VORBIS) -lpthread
+LINK.LIBS.RELEASE =  -lXft
+LINK.LIBS.DEBUG   =  -lXft
+
+PATH.H.SYS        =

mk/conf.VC6.WIN32.mk

@@ -0,0 +1,47 @@
+
+O=.obj
+EXT.EXE=$(BUILD_SUFFIX).exe
+EXT.LIB=$(BUILD_SUFFIX).lib
+EXT.DLL=$(BUILD_SUFFIX).dll
+EXT.DLE=$(BUILD_SUFFIX).dle
+EXT.DEP=.dep
+
+MKDIR=mkdir $(@:/=)
+RM=rm -f
+RMDIR=rm -rf
+CP=cp
+LN=cp
+
+COMPILER.c 		=cl.exe
+COMPILER.cc		=cl.exe
+COMPILER.asm	=../bin/nasm/nasmw.exe
+COMPILER.rc     =rc.exe
+LINK=link.exe
+
+CFLAGS.GENERAL    =/nologo /GR 
+CFLAGS.RELEASE    =/Ox /Zi
+CFLAGS.DEBUG      =/Odib0 /Zi -DTORQUE_DEBUG 
+CFLAGS.DEBUGFAST  =
+
+ASMFLAGS          = -f win32
+
+# assumes VC++ LIBPATH variable LIB is set in environment
+LFLAGS.GENERAL    = /nologo /MACHINE:I386 
+LFLAGS.RELEASE    = 
+LFLAGS.DEBUG      = 
+
+LFLAGS.EXE.RELEASE= /debug 
+LFLAGS.EXE.DEBUG  = /debug 
+
+
+# VC++ complains about the /DEBUG flag but if not present it DOES NOT create the associated debugging files
+
+LINK.LIBS.GENERAL      = COMCTL32.LIB COMDLG32.LIB USER32.LIB ADVAPI32.LIB GDI32.LIB WINMM.LIB WSOCK32.LIB vfw32.lib
+LINK.LIBS.RELEASE      = 
+LINK.LIBS.DEBUG        = 
+
+PATH.H.SYS        =
+
+
+MSVC=C:\Program Files\Microsoft Visual Studio\VC98
+

mk/conf.VC6.mk

@@ -0,0 +1,63 @@
+
+
+CFLAGS    = $(CFLAGS.GENERAL) $(CFLAGS.$(BUILD))
+LFLAGS    = $(LFLAGS.GENERAL) $(LFLAGS.$(BUILD))
+LINK.LIBS = $(LINK.LIBS.GENERAL) $(LINK.LIBS.$(BUILD))
+
+
+define DO.COMPILE.C 
+	@-$(COMPILER.c) $(CFLAGS) -I. $(PATH.H.SYS) /c /FD /Tc$(<) /Fo$(dir $@)
+endef
+
+define DO.COMPILE.CC 
+	@-$(COMPILER.cc) $(CFLAGS) -I. $(PATH.H.SYS) /c /FD /Tp$(<) /Fo$(dir $@)
+endef
+
+define DO.COMPILE.ASM
+	@echo Compiling $<
+	@$(COMPILER.asm) $(ASMFLAGS) $(<) -o $@
+endef
+
+define DO.COMPILE.RC
+	# Assumes existance of MSVC environment variable set to the root of the 
+	# VC++ install directory typically C:\Program Files\Microsoft Visual Studio\VC98
+	@echo Compiling $<
+	@$(COMPILER.rc) $(RCFLAGS) /i'$(MSVC)\mfc\include' /fo$@ $(<)
+endef
+
+
+define DO.LINK.CONSOLE.EXE
+	@echo Linking $@ 
+	@$(LINK) $(LFLAGS) $(LFLAGS.EXE.$(BUILD)) /SUBSYSTEM:CONSOLE /OUT:$@ \
+	$(patsubst %, /LIBPATH:%, $(LIB.PATH)) \
+	$(LINK.SOURCES) \
+	$(LINK.LIBS) 
+endef
+
+define DO.LINK.GUI.EXE
+	@echo Linking $@
+	@$(LINK) $(LFLAGS) $(LFLAGS.EXE.$(BUILD)) /SUBSYSTEM:WINDOWS /OUT:$@ \
+	$(patsubst %, /LIBPATH:%, $(LIB.PATH)) \
+	$(LINK.SOURCES) \
+	$(LINK.LIBS) 
+endef
+
+define DO.LINK.LIB
+	@echo Linking $@ 
+	@$(LINK) \
+	-LIB $(LFLAGS) /OUT:$@ \
+	$(LINK.SOURCES) 
+endef
+
+define DO.LINK.DLL
+	@echo Linking $@ 
+	@$(LINK) \
+	$(LINK.LIBS) \
+	$(patsubst %, /LIBPATH:%, $(LIB.PATH)) \
+	$(LFLAGS) /DLL /SUBSYSTEM:CONSOLE /OUT:$@ \
+	$(LINK.SOURCES) \
+	$(LINK.RESOURCES) \
+	$(patsubst %, /DEF:%, $(LINK.DEFS)) 
+endef
+
+

mk/conf.common.mk

@@ -0,0 +1,39 @@
+.SUFFIXES:
+.SUFFIXES: $(O) $(EXE) $(DLL) .S .c .cc .h .asm .ash .y .cpp
+
+DIR.LIST=$(DIR.OBJ)/ $(addprefix $(DIR.OBJ)/, $(sort $(dir $(SOURCE.ALL))))
+
+
+LINK.SOURCES=$(filter %$(O),$^)
+LINK.RESOURCES=$(filter %.res,$^)
+LINK.DEFS=$(filter %.def,$^)
+
+
+.PHONY: dirlist 
+#vpath %$(O) $(DIR.OBJ)
+
+
+$(DIR.OBJ)/%$O : %.cpp
+	$(DO.COMPILE.CC)
+
+$(DIR.OBJ)/%$O : %.cc
+	$(DO.COMPILE.CC)
+$(DIR.OBJ)/%$O : %.c
+	@$(DO.COMPILE.C)
+
+$(DIR.OBJ)/%$O : %.asm
+	@$(DO.COMPILE.ASM)
+
+$(DIR.OBJ)/%.res : %.rc
+	@$(DO.COMPILE.RC)
+
+dirlist: $(DIR.LIST)
+
+$(DIR.LIST):
+	@$(if $(wildcard $@),, $(MKDIR))
+
+clean: $(targetsclean)
+	$(RMDIR) $(DIR.OBJ)/
+
+
+

mk/configure.mk

@@ -0,0 +1,77 @@
+
+COMPILER_OPTIONS=CW6 VC6 GCC2 GCC3
+BUILD_OPTIONS=DEBUG RELEASE
+OS_OPTIONS=WIN32 BEOS LINUX OpenBSD FreeBSD Solaris
+
+OS=
+DIR.OBJ=out
+
+-include mk/conf.mk
+CONFIG_STATUS=VALID 
+
+ifeq ($(findstring $(OS), $(OS_OPTIONS)),)
+	targets += badOS
+CONFIG_STATUS=INVALID
+endif
+
+ifeq ($(findstring $(COMPILER), $(COMPILER_OPTIONS)),)
+	targets +=badCompiler
+CONFIG_STATUS=INVALID
+endif
+
+ifeq ($(findstring $(BUILD), $(BUILD_OPTIONS)),)
+	targets += badBuild
+CONFIG_STATUS=INVALID
+endif
+
+default: $(targets) print save
+
+badOS:
+	@echo ERROR: OS variable not set or is an illegal value
+
+badCompiler:
+	@echo ERROR: COMPILER variable not set or is an illegal value
+
+badBuild:
+	@echo ERROR: BUILD variable not set or is an illegal value
+
+print:
+	@echo  
+	@echo "Current Configuration: this config is $(CONFIG_STATUS)"
+	@echo "         OS: $(OS)"
+	@echo "   COMPILER: $(COMPILER)"
+	@echo "      BUILD: $(BUILD)"   
+	@echo "    DIR.OBJ: $(DIR.OBJ)"   
+	@echo  
+	@echo "To change the current configuration type:"
+	@echo  
+	@echo "make -f mk/configure.mk {arguments, ...}"
+	@echo  
+	@echo "required arguments:"
+	@echo "  OS={$(OS_OPTIONS)}"
+	@echo "  COMPILER={$(COMPILER_OPTIONS)}"
+	@echo "  BUILD={$(BUILD_OPTIONS)}"
+	@echo  
+	@echo "optional arguments:"
+	@echo "  DIR.OBJ={path to store intermediate obj files}"
+	@echo  
+	@echo "Note: all arguments are case sensitive." 
+	@echo  
+
+save:
+	@echo OS=$(OS) > mk/conf.mk
+	@echo COMPILER=$(COMPILER) >> mk/conf.mk
+	@echo BUILD=$(BUILD) >> mk/conf.mk
+
+	@echo ifeq \"$(BUILD)\" \"DEBUG\" >> mk/conf.mk
+	@echo BUILD_SUFFIX:=_DEBUG >> mk/conf.mk
+	@echo else >> mk/conf.mk
+	@echo BUILD_SUFFIX:= >> mk/conf.mk
+	@echo endif >> mk/conf.mk
+
+	@echo CONFIG_STATUS=$(CONFIG_STATUS) >> mk/conf.mk
+	@echo DIR.OBJ=$(DIR.OBJ) >> mk/conf.mk
+
+	@echo ifndef COMPILER_OPTIONS >> mk/conf.mk
+	@echo DIR.OBJ:=$(DIR.OBJ).$(COMPILER).$(BUILD) >> mk/conf.mk
+	@echo endif >> mk/conf.mk