# $Id: Makefile,v 1.22 2003/05/07 01:50:13 brianp Exp $

# Togl - a Tk OpenGL widget
# Version 1.6
# Copyright (C) 1996-1997  Brian Paul and Ben Bederson
# See the LICENSE file for copyright details.


# The C compiler:
CC ?= cc

# Compiler options:
# for DEC
#COPTS = -c -g -signed -DALPHA
# for HP
#COPTS = -c -g -Ae +z -Wl,+s,+b:,-B immediate  +DAportable -DHP
# for IBM
#COPTS = -c -g -qchars=signed -DIBM
# for PC_LINUX
COPTS = -c -fPIC -DPC_LINUX -DDEBUG -DUSE_TCL_STUBS -DUSE_TK_STUBS -DUSE_LOCAL_TK_H
# for SGI
#COPTS = -c -g -n32 -signed -DSGI
# for SUN
#COPTS = -c -g -Xc -mt -DSUN


# Shared library linker command:
SHLINK = ${CC} -shared


# Where to find tcl.h, tk.h, OpenGL/Mesa headers, etc:

TCL_PREFIX = ${PREFIX}
TK_PREFIX = ${PREFIX}
#TCL_VER = 8.3
TCL_VER = 8.4
TK_VER = 8.4

# uncomment exactly one
TCL_INCLUDE = -I$(TCL_PREFIX)/include/tcl${TCL_VER}
TK_INCLUDE = -I${TK_PREFIX}/include/tk${TK_VER}
#TCL_INCLUDE = -I/pkg/tcl-tk/8.3.0/include
# for DEC
#INCLUDES = $(TCL_INCLUDE)
# for HP
#INCLUDES = -I/opt/graphics/OpenGL/include $(TCL_INCLUDE)
# for IBM
#INCLUDES = -I/usr/lpp/OpenGL/include $(TCL_INCLUDE)
# for PC_LINUX
INCLUDES = -I${X11BASE}/include $(TCL_INCLUDE) ${TK_INCLUDE}
# for SGI
#INCLUDES = $(TCL_INCLUDE)
# for SUN
#INCLUDES = -I/usr/openwin/include $(TCL_INCLUDE)


# Where to find libtcl.a, libtk.a, OpenGL/Mesa libraries:
# uncomment exactly one
TCL_LIB = -L$(TCL_PREFIX)/lib
TK_LIB = -L$(TK_PREFIX)/lib
# for DEC
#LIBDIRS =  $(TCL_LIB)
# for HP
#LIBDIRS = -L/opt/graphics/OpenGL/lib $(TCL_LIB)
# for IBM
#LIBDIRS = -L/usr/lpp/OpenGL/lib $(TCL_LIB)
# for PC_LINUX
LIBDIRS = $(TCL_LIB) ${TK_LIB} -L${X11BASE}/lib -Xlinker -rpath -Xlinker
# for SGI
#LIBDIRS = $(TCL_LIB)
# for SUN
#LIBDIRS = -L/usr/openwin/lib $(TCL_LIB)

TCL_LIBS = -ltcl84
TK_LIBS = -ltk84
TCL_STUB_LIBS = -ltclstub84
TK_STUB_LIBS = -ltkstub84

# Libraries to link with (-ldl for Linux only?):
# NOTE: use -ltcl8.1 -ltk8.1 for Tcl/Tk version 8.1
LIBS = $(TCL_LIBS) ${TK_LIBS} -lGLU -lGL -L/usr/X11/lib -lX11 -lXmu -lXext -lXt -lm
STUB_LIBS = $(TCL_STUB_LIBS) ${TK_STUB_LIBS} -lGLU -lGL -L/usr/X11/lib -lX11 -lXmu -lXext -lXt -lm

TK_FLAGS =


#### Shouldn't have to change anything beyond this point ####


CFLAGS += $(COPTS) $(INCLUDES) $(TK_FLAGS) ${PTHREAD_CFLAGS}

LFLAGS = $(LIBDIRS) ${PTHREAD_LIBS}


all: togl.so double.so texture.so index.so overlay.so gears.so pkgIndex
	chmod a+x *.tcl

# the togl widget
togl.o: togl.c togl.h
	$(CC) $(CFLAGS) togl.c

togl.so: togl.o
	$(SHLINK) $(LFLAGS) togl.o $(STUB_LIBS) -o $@ 

# double demo
double.so: double.o togl.o
	$(SHLINK) $(LFLAGS) double.o togl.o $(STUB_LIBS) -o $@

double.o: double.c togl.h
	$(CC) $(CFLAGS) double.c


# texture demo
texture.so: texture.o image.o togl.o
	$(SHLINK) $(LFLAGS) texture.o image.o togl.o $(STUB_LIBS) -o $@

texture.o: texture.c togl.h
	$(CC) $(CFLAGS) texture.c

image.o: image.c
	$(CC) $(CFLAGS) image.c


# color index demo
index.so: index.o togl.o
	$(SHLINK) $(LFLAGS) index.o togl.o $(STUB_LIBS) -o $@

index.o: index.c togl.h
	$(CC) $(CFLAGS) index.c


# overlay demo
overlay.so: overlay.o togl.o
	$(SHLINK) $(LFLAGS) overlay.o togl.o $(STUB_LIBS) -o $@

overlay.o: overlay.c togl.h
	$(CC) $(CFLAGS) overlay.c


# gears demo
gears.so: gears.o togl.o
	$(SHLINK) $(LFLAGS) gears.o togl.o $(STUB_LIBS) -o gears.so

gears.o: gears.c togl.h
	$(CC) $(CFLAGS) gears.c


clean:
	-rm -f *.o *.so *~ core

realclean:
	-rm -f *.o *~ core
	-rm -f $(DEMOS)


TOGL_VERSION = $(shell grep TOGL_VERSION togl.h | cut -f 3 -d " ")
TOGL = Togl-$(TOGL_VERSION)
ARCH = $(shell uname -s)

FILES = \
	$(TOGL)/Togl.html	\
	$(TOGL)/LICENSE		\
	$(TOGL)/Makefile	\
	$(TOGL)/Makefile.vc	\
	$(TOGL)/*.[ch]		\
	$(TOGL)/*.tcl		\
	$(TOGL)/tree2.rgba	\
	$(TOGL)/ben.rgb

pkgIndex:
	echo 'puts [pkg::create -name Togl -version $(TOGL_VERSION) -load togl[info sharedlibextension]]' | tclsh${TCL_VER} > pkgIndex.tcl 

tar:
	cd .. ; \
	tar -cvf $(TOGL).tar $(FILES) ; \
	gzip $(TOGL).tar ; \
	mv $(TOGL).tar.gz $(TOGL)


zip:
	cd .. ; \
	zip -r $(TOGL).zip $(FILES) ; \
	mv $(TOGL).zip $(TOGL)

binpkg: togl.so pkgIndex
	rm -rf $(TOGL)-$(TOGL_VERSION)
	mkdir $(TOGL)-$(TOGL_VERSION)
	mkdir $(TOGL)-$(TOGL_VERSION)/demos
	cp togl.so pkgIndex.tcl $(TOGL)-$(TOGL_VERSION)
	cp gears.so texture.so double.so $(TOGL)-$(TOGL_VERSION)/demos
	cp gears.tcl texture.tcl double.tcl $(TOGL)-$(TOGL_VERSION)/demos
	tar -cvf - $(TOGL)-$(TOGL_VERSION) $(TOGL)-$(TOGL_VERSION)-$(ARCH).tar.gz | gzip > $(TOGL)-$(TOGL_VERSION)-$(ARCH).tar.gz