# This file is part of "Count Colours", a filter plugin for Adobe Photoshop
# Copyright (C) 2003-2010 Toby Thain, toby@telegraphics.com.au

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by  
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License  
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

# GNU Makefile
# builds Win32 DLL and OS X Mach-O plugin bundle

# by Toby Thain <toby@telegraphics.com.au>


# ---------- variables & flags ----------

EXEC = CountColours

VERSION := $(shell perl -n -e 'm/^\#.+VERSION_STR\s+\"([^"]*)\"/ && print $$1;' version.h)

MINGW_CC = i386-mingw32msvc-gcc
DLLWRAP  = i386-mingw32msvc-dllwrap
WINDRES  = i386-mingw32msvc-windres

PSAPI = "../adobe_photoshop_cs5_sdk_mac/photoshopapi"

CFLAGS += -O2 -W -Wall -Wno-main -Wno-unused-parameter
CPPFLAGS += -I$(PSAPI)/Pica_sp -I$(PSAPI)/Photoshop -I$(PSAPI)/General \
	-I../common/adobeplugin -I../common/tt
REZFLAGS = $(ARCH)


# ---------- source & object files ----------

# where to find .c source files
vpath %.c ../common/tt ../common/adobeplugin

# list of source files
OBJ_COMMON = main.o str.o

# derive lists of object files, separate for each platform
OBJ_OSX := $(addprefix obj/, $(OBJ_COMMON) \
				ui_mac.o ui_compat_mac.o dbg_mac.o )
OBJ_W32 := $(addprefix obj_w32/, $(OBJ_COMMON) \
				ui_win.o dbg_win.o dllmain.o res.o )


# ---------- executables ----------

# parts of Mac OS X plugin bundle to build
# Adobe's plugs use .plugin extension
BUNDLE = $(EXEC).plugin
PLUGIN_OSX  = $(BUNDLE)/Contents/MacOS/$(EXEC)
PLUGIN_RSRC = $(BUNDLE)/Contents/Resources/$(EXEC).rsrc
PLUGIN_PARTS = $(PLUGIN_OSX) $(PLUGIN_RSRC) $(BUNDLE)/Contents/Info.plist $(BUNDLE)/Contents/PkgInfo
DISTDMG = dist/$(EXEC)-$(VERSION).dmg

$(PLUGIN_OSX) : CFLAGS   += $(ARCH)
$(PLUGIN_OSX) : LDFLAGS  += $(ARCH)
$(PLUGIN_OSX) : CPPFLAGS += -DMAC_ENV -Dmacintosh \
	-I/Developer/Headers/FlatCarbon

# Win32 plugin DLL to build
PLUGIN_W32 = $(EXEC).8bf
DISTZIP = dist/$(EXEC)-$(VERSION)-win.zip

$(PLUGIN_W32) : CPPFLAGS += -DWIN_ENV


# ---------- targets ----------

.PHONY : cs3 dll zip dmg clean

# targets for OS X Mach-O (bundle) format runtimes:
# 'cs3' - Universal (PPC & Intel architectures; CS2, CS3 and CS4)
# 'cs5' - 32-bit and 64-bit Intel (CS5)
cs3 : $(PLUGIN_PARTS) 

# See: http://developer.apple.com/documentation/Porting/Conceptual/PortingUnix/compiling/chapter_4_section_3.html#//apple_ref/doc/uid/TP40002850-BAJCFEBA

cs3 : ARCH = -arch ppc -arch i386
cs3 : CFLAGS   += -isysroot /Developer/SDKs/MacOSX10.4u.sdk
cs3 : LDFLAGS  += -Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk

#cs5 : ARCH = -arch i386 -arch x86_64
#cs5 : CFLAGS   += -isysroot /Developer/SDKs/MacOSX10.5.sdk
#cs5 : LDFLAGS  += -Wl,-syslibroot,/Developer/SDKs/MacOSX10.5.sdk

$(BUNDLE) :
	mkdir -p $@
	/Developer/Tools/SetFile -a B $@

# insert correct executable name and version string in bundle's Info.plist
$(BUNDLE)/Contents/Info.plist : Info.plist.tmpl $(BUNDLE) version.h
	mkdir -p $(dir $@)
	sed -e "s/%VERSION_STR%/$(VERSION)/" -e "s/%EXEC%/$(EXEC)/" $< > $@

$(BUNDLE)/Contents/PkgInfo : $(BUNDLE)
	mkdir -p $(dir $@)
	printf 8BFM8BIM > $@

clean :
	rm -fr $(OBJ_OSX) $(OBJ_W32) $(PLUGIN_W32) $(BUNDLE)


dmg : $(DISTDMG)

# create an Apple disk image (dmg) archive of the distribution kit
$(DISTDMG) : $(PLUGIN_PARTS) dist/README dist/gpl.html
	@ DIR=`mktemp -d $(EXEC)-XXXX`; \
	cp -Rp dist/README dist/gpl.html $(BUNDLE) $$DIR; \
	hdiutil create -srcfolder $$DIR -ov -volname "$(EXEC) $(VERSION)" -imagekey zlib-level=9 -fs HFS+ $@; \
	rm -fr $$DIR
	@ ls -l $@


zip : $(DISTZIP)

$(DISTZIP) : $(PLUGIN_W32) dist/README dist/gpl.html
	zip -j -9 -r $@ $^
	ls -l $@

dist/gpl.html : 
	curl http://www.gnu.org/licenses/gpl.html | \
		sed -e 's%</HEAD>%<BASE HREF="http://www.gnu.org/"> </HEAD>%' \
			-e 's%</head>%<BASE HREF="http://www.gnu.org/"> </HEAD>%' > $@


# ---------- compile rules ----------

obj/%.o : %.c
	$(CC) -o $@ -c $< $(CFLAGS) $(CPPFLAGS) -fpascal-strings
obj_w32/%.o : %.c
	$(MINGW_CC) -o $@ -c $< $(CFLAGS) $(CPPFLAGS)

# note dependencies on version.h:

obj_w32/res.o : PiPL.rc version.h
	$(WINDRES) -o $@ -i $< $(CPPFLAGS)

# compile Mac resources (into data fork of .rsrc file)
$(PLUGIN_RSRC) : $(BUNDLE) PiPL_macho.r ui_mac.r PiPL_common.R version.h
	mkdir -p $(dir $@)
	/Developer/Tools/Rez -o $@ -useDF $(REZFLAGS) $(filter %.r,$^) \
		-i /Developer/Headers/FlatCarbon \
		-i $(PSAPI)/Resources \
		-i $(PSAPI)/Photoshop
	ls -l $@


# ---------- link rules ----------

# link OS X Mach-O executable
$(PLUGIN_OSX) : $(BUNDLE) exports.exp $(OBJ_OSX)
	mkdir -p $(dir $@)
	$(CC) -bundle -o $@ $(OBJ_OSX) \
		$(LDFLAGS) -exported_symbols_list exports.exp \
		-framework Carbon -framework System
	ls -l $@
	file $@

# link Win32 DLL
$(PLUGIN_W32) : exports.def $(OBJ_W32)
	$(DLLWRAP) -o $@ -def $^ -mwindows -s
	ls -l $@


# --------------------