#===============-=================================================
# NetHack 3.7  include/cross-pre $NHDT-Date: 1597332785 2020/08/13 15:33:05 $  $NHDT-Branch: NetHack-3.7 $
#
# Cross-compiling -PRE section
#

ifdef CROSS_TO_MSDOS
BUILD_LUA=1
BUILD_PDCURSES=1
override TARGET = msdos
override TARGETDIR = ../targets/$(TARGET)
override TARGET_LIBS=
endif

ifdef CROSS_TO_AMIGA
BUILD_LUA=1
BUILD_PDCURSES=1
override TARGET = amiga
override TARGETDIR = ../targets/$(TARGET)
override TARGET_LIBS=
endif

ifdef BUILD_LUA
#===============-=================================================
# LUA library
# Source from http://www.lua.org/ftp/lua-5.4.0.tar.gz
#=================================================================
LUA_VERSION ?=5.4.0
LUATOP ?= ../lib/lua-$(LUA_VERSION)
LUASRCDIR ?= $(LUATOP)/src
LUAOBJFILES1 =  $(TARGETDIR)/lapi.o $(TARGETDIR)/lauxlib.o \
		$(TARGETDIR)/lbaselib.o $(TARGETDIR)/lcode.o \
		$(TARGETDIR)/lcorolib.o $(TARGETDIR)/lctype.o \
		$(TARGETDIR)/ldblib.o
ifeq "$(LUA_VERSION)" "5.3.5"
LUAOBJFILES1 += $(TARGETDIR)/lbitlib.o
endif
LUAOBJFILES2 =  $(TARGETDIR)/ldebug.o $(TARGETDIR)/ldo.o $(TARGETDIR)/ldump.o \
		$(TARGETDIR)/lfunc.o $(TARGETDIR)/lgc.o $(TARGETDIR)/linit.o \
		$(TARGETDIR)/liolib.o $(TARGETDIR)/llex.o
LUAOBJFILES3 =  $(TARGETDIR)/lmathlib.o $(TARGETDIR)/lmem.o \
		$(TARGETDIR)/loadlib.o $(TARGETDIR)/lobject.o \
		$(TARGETDIR)/lopcodes.o $(TARGETDIR)/loslib.o \
		$(TARGETDIR)/lparser.o $(TARGETDIR)/lstate.o
LUAOBJFILES4 =  $(TARGETDIR)/lstring.o $(TARGETDIR)/lstrlib.o \
		$(TARGETDIR)/ltable.o $(TARGETDIR)/ltablib.o \
		$(TARGETDIR)/ltm.o $(TARGETDIR)/lundump.o \
		$(TARGETDIR)/lutf8lib.o $(TARGETDIR)/lvm.o $(TARGETDIR)/lzio.o
LUALIBOBJS = $(LUAOBJFILES1) $(LUAOBJFILES2) $(LUAOBJFILES3) $(LUAOBJFILES4)
LUACROSSLIB = $(TARGETDIR)/$(O)lua$(subst .,,$(LUA_VERSION)).a
LUAINCL  = -I$(LUASRCDIR)
BUILDMORE += $(LUACROSSLIB)
override TARGET_LIBS += $(LUACROSSLIB) -lm
else
LUAINCL=
endif  # BUILD_LUA

ifdef BUILD_PDCURSES
#===============-=================================================
# PD Curses library
#===============-=================================================
ifdef WANT_WIN_CURSES
PDCTOP = ../lib/pdcurses
PDCURSESDEF= -I../lib/pdcurses -I../lib/pdcurses/dos \
		-D"CURSES_GRAPHICS" -D"CURSES_BRIEF_INCLUDE"
PDCLIBOBJ1= $(TARGETDIR)/addch.o $(TARGETDIR)/addchstr.o \
		$(TARGETDIR)/addstr.o $(TARGETDIR)/attr.o \
		$(TARGETDIR)/beep.o $(TARGETDIR)/bkgd.o \
		$(TARGETDIR)/border.o $(TARGETDIR)/clear.o \
		$(TARGETDIR)/color.o $(TARGETDIR)/delch.o \
		$(TARGETDIR)/deleteln.o $(TARGETDIR)/getch.o \
		$(TARGETDIR)/getstr.o $(TARGETDIR)/getyx.o \
		$(TARGETDIR)/inch.o
PDCLIBOBJ2= $(TARGETDIR)/inchstr.o $(TARGETDIR)/initscr.o \
		$(TARGETDIR)/inopts.o $(TARGETDIR)/insch.o \
		$(TARGETDIR)/insstr.o $(TARGETDIR)/instr.o \
		$(TARGETDIR)/kernel.o $(TARGETDIR)/keyname.o \
		$(TARGETDIR)/mouse.o $(TARGETDIR)/move.o \
		$(TARGETDIR)/outopts.o $(TARGETDIR)/overlay.o
PDCLIBOBJ3= $(TARGETDIR)/pad.o $(TARGETDIR)/panel.o $(TARGETDIR)/printw.o \
		$(TARGETDIR)/refresh.o $(TARGETDIR)/scanw.o \
		$(TARGETDIR)/scr_dump.o $(TARGETDIR)/scroll.o \
		$(TARGETDIR)/slk.o $(TARGETDIR)/termattr.o
PDCLIBOBJ4= $(TARGETDIR)/touch.o $(TARGETDIR)/util.o $(TARGETDIR)/window.o \
		$(TARGETDIR)/debug.o
PDCLIBOBJS = $(PDCLIBOBJ1) $(PDCLIBOBJ2) $(PDCLIBOBJ3) $(PDCLIBOBJ4)
PDCLIB = $(TARGETDIR)/pdclib.a
PDCINCL = -I$(PDCTOP) -I$(PDCTOP)/pdcurses
PDCOBJS = $(TARGETDIR)/pdcclip.o $(TARGETDIR)/pdcdisp.o \
		$(TARGETDIR)/pdcgetsc.o $(TARGETDIR)/pdckbd.o \
		$(TARGETDIR)/pdcscrn.o $(TARGETDIR)/pdcsetsc.o \
		$(TARGETDIR)/pdcutil.o
override TARGET_LIBS += $(PDCLIB)
ifdef CROSS_TO_MSDOS
PDCINCL += -I$(PDCTOP)/dos
endif
ifdef CROSS_TO_AMIGA
PDCINCL += -I$(PDCTOP)/sdl1 -I/opt/amiga/m68k-amigaos/include/SDL
override TARGET_LIBS += -lSDL
endif
BUILDMORE += $(PDCLIB)
# Rules for PDCurses files
$(TARGETDIR)/%.o : $(PDCTOP)/pdcurses/%.c
	$(TARGET_CC) $(PDCINCL) $(TARGET_CFLAGS) -o$@  $<
else   #WANT_WIN_CURSES
PDCURSESDEF=
PDCLIBOBJS=
PDCOBJS=
PDCLIB=
PDCINCL=
endif  # WANT_WIN_CURSES
endif  # BUILD_PDCURSES

ifdef CROSS_TO_MSDOS
#===============-=================================================
# MSDOS cross-compile recipe
#===============-=================================================
# Uses an MSDOS djgpp cross-compiler on linux or macos.
#
# 1. You can obtain the cross-compiler for your system via:
#     sys/msdos/fetch-cross.sh
# 2. Then
#     make CROSS_TO_MSDOS=1 WANT_WIN_TTY=1 WANT_WIN_CURSES=1 all
#
# Source from http://www.lua.org/ftp/lua-5.4.0.tar.gz
#=================================================================

CFLAGS += -DCROSSCOMPILE -DCROSSCOMPILE_HOST

#
# Override the build tools and some obj files to
# reflect the msdos djgpp cross-compiler.
#
TOOLTOP1 = ../lib/djgpp/bin
TOOLTOP2 = ../lib/djgpp/i586-pc-msdosdjgpp/bin
override TARGET_CC = $(TOOLTOP1)/i586-pc-msdosdjgpp-gcc
override TARGET_CXX = $(TOOLTOP2)/g++
override TARGET_AR = $(TOOLTOP1)/i586-pc-msdosdjgpp-gcc-ar 
override TARGET_STUBEDIT = ../lib/djgpp/i586-pc-msdosdjgpp/bin/stubedit
override TARGET_CFLAGS = -c -O -I../include -I../sys/msdos -I../win/share \
	$(LUAINCL) -DDLB $(PDCURSESDEF) \
	-DUSE_TILES -DCROSSCOMPILE -DCROSSCOMPILE_TARGET
override TARGET_CXXFLAGS = $(TARGET_CFLAGS)
override TARGET_LINK = $(TOOLTOP1)/i586-pc-msdosdjgpp-gcc
override TARGET_LFLAGS=
override TARGET_LIBS += -lpc
override SYSSRC = ../sys/share/pcmain.c ../sys/msdos/msdos.c \
		../sys/share/pcsys.c ../sys/share/pctty.c \
		../sys/share/pcunix.c ../sys/msdos/video.c \
		../sys/msdos/vidtxt.c ../sys/msdos/pckeys.c \
		../sys/msdos/vidvga.c ../sys/msdos/vidvesa.c \
		../win/share/bmptiles.c ../win/share/giftiles.c \
		../win/share/tileset.c
override SYSOBJ= $(TARGETDIR)/pcmain.o $(TARGETDIR)/msdos.o \
		$(TARGETDIR)/pcsys.o $(TARGETDIR)/pctty.o \
		$(TARGETDIR)/pcunix.o $(TARGETDIR)/video.o \
		$(TARGETDIR)/vidtxt.o $(TARGETDIR)/pckeys.o \
		$(TARGETDIR)/vidvga.o $(TARGETDIR)/vidvesa.o \
		$(TARGETDIR)/bmptiles.o $(TARGETDIR)/giftiles.o \
		$(TARGETDIR)/tileset.o $(TARGETDIR)/tile.o
override WINLIB=
override LUALIB=
override GAMEBIN = $(TARGETDIR)/nethack.exe
override PACKAGE= dospkg
VARDATND += nhtiles.bmp
PREGAME = mkdir -p $(TARGETDIR)
CLEANMORE += rm -r $(TARGETDIR)
BUILDMORE += $(TARGETDIR)/recover.exe
#
ifdef WANT_WIN_CURSES
# rules for pdcurses dos-specific files
$(TARGETDIR)/%.o : $(PDCTOP)/dos/%.c
	$(TARGET_CC) $(PDCINCL) $(TARGET_CFLAGS) -o$@  $<
endif  # WANT_WIN_CURSES
#
# Rule for files in sys/msdos
$(TARGETDIR)/%.o : ../sys/msdos/%.c
	$(TARGET_CC) $(TARGET_CFLAGS) -o$@ $<
endif  # CROSS_TO_MSDOS
#=================================================================

ifdef CROSS_TO_AMIGA
#===============-=================================================
# AmigaOS m68k cross-compile recipe
#===============-=================================================
# Uses an Amiga M68K cross-compiler on linux or macOS.
#
# 1. You can obtain the cross-compiler for your system via:
#     sys/amiga/fetch-cross.sh
# 2. Then
#     make CROSS_TO_AMIGAOS=1 WANT_WIN_TTY=1 WANT_WIN_CURSES=1 all
#
# Amiga m68k from https://github.com/bebbo/amiga-gcc
#=================================================================

CFLAGS += -DCROSSCOMPILE -DCROSSCOMPILE_HOST

#
# Override the build tools and some obj files to
# reflect the amiga-gccs cross-compiler.
#
TOOLTOP = /opt/amiga/bin
#TOOLARCH = -m68020 -mcrt=clib2
#TOOLARCH = -m68020   #newlib
TOOLARCH = -m68020 -noixemul
override REGEXOBJ = $(TARGETDIR)/cppregex.o
override TARGET_CC = $(TOOLTOP)/m68k-amigaos-gcc
override TARGET_CXX = $(TOOLTOP)/m68k-amigaos-c++
override TARGET_AR = $(TOOLTOP)/m68k-amigaos-ar 
override TARGET_STUBEDIT=
#override TARGET_CFLAGS = -c -O $(TOOLARCH) -I../include -I../outdated/include
override TARGET_CFLAGS = -c -O $(TOOLARCH) \
	-I../include -I../outdated/include \
	-I../outdated/sys/amiga -I../win/share \
	$(LUAINCL) -DAMIGA -DAMIGA_CROSS $(PDCURSESDEF) \
	-DUSE_TILES -DCROSSCOMPILE -DCROSSCOMPILE_TARGET \
	-DAMIGA_VERSION_STRING=\""VER: NetHack 3.7.0 \(12.13.2020)\""
override TARGET_CXXFLAGS = $(TARGET_CFLAGS)
ifeq "$(REGEXOBJ)" "$(TARGETDIR)/cppregex.o"
override TARGET_LINK = $(TARGET_CXX)
else
override TARGET_LINK = $(TARGET_CC)
endif
override TARGET_LFLAGS= $(TOOLARCH)
#override TARGET_LIBS += 
VARDATND += nhtiles.bmp
override SYSSRC = ../outdated/sys/amiga/amidos.c ../outdated/sys/amiga/amigst.c \
		../outdated/sys/amiga/amimenu.c ../outdated/sys/amiga/amirip.c \
		../outdated/sys/amiga/amistack.c ../outdated/sys/amiga/amitty.c \
		../outdated/sys/amiga/amiwind.c ../outdated/sys/amiga/clipwin.c \
		../outdated/sys/amiga/colorwin.c \
		../outdated/sys/amiga/winami.c ../outdated/sys/amiga/winchar.c \
		../outdated/sys/amiga/winfuncs.c ../outdated/sys/amiga/winkey.c \
		../outdated/sys/amiga/winamenu.c ../outdated/sys/amiga/winreq.c \
		../outdated/sys/amiga/winstr.c ../sys/share/pcmain.c \
		../win/share/bmptiles.c ../win/share/giftiles.c \
		../win/share/tileset.c
#		../outdated/sys/amiga/xpm2iff.c
#		../outdated/sys/amiga/txt2iff.c
override SYSOBJ = $(TARGETDIR)/amidos.o $(TARGETDIR)/amigst.o \
		$(TARGETDIR)/amirip.o $(TARGETDIR)/amistack.o \
		$(TARGETDIR)/amitty.o $(TARGETDIR)/amiwind.o \
		$(TARGETDIR)/winami.o $(TARGETDIR)/winchar.o \
		$(TARGETDIR)/winfuncs.o $(TARGETDIR)/winkey.o \
		$(TARGETDIR)/winamenu.o $(TARGETDIR)/winreq.o \
		$(TARGETDIR)/winstr.o $(TARGETDIR)/pcmain.o \
		$(TARGETDIR)/bmptiles.o $(TARGETDIR)/giftiles.o \
		$(TARGETDIR)/tileset.o
#		$(TARGETDIR)/xpm2iff.o
#		../util/txt2iff.o
override WINLIB=
override LUALIB=
override GAMEBIN = $(TARGETDIR)/nethack.exe
override PACKAGE= amigapkg
PREGAME = mkdir -p ../targets/amiga
CLEANMORE += rm -r ../targets/amiga
BUILDMORE += $(TARGETDIR)/recover.exe
#		../util/txt2iff
#
ifdef WANT_WIN_CURSES
# rules for pdcurses sdl1-specific files
$(TARGETDIR)/%.o : $(PDCTOP)/sdl1/%.c
	$(TARGET_CC) $(PDCINCL) $(TARGET_CFLAGS) -o$@  $<
endif  # WANT_WIN_CURSES
# Rule for files in sys/amiga
$(TARGETDIR)/%.o : ../outdated/sys/amiga/%.c
	$(TARGET_CC) $(TARGET_CFLAGS) -o$@ $<
endif  # CROSS_TO_AMIGA
#=================================================================

ifdef WANT_WIN_CURSES
# rules for pdcurses dos-specific files
$(TARGETDIR)/%.o : $(PDCTOP)/sdl1/%.c
	$(TARGET_CC) $(PDCINCL) $(TARGET_CFLAGS) -o$@  $<
endif  # WANT_WIN_CURSES
# Rule for LUA files
$(TARGETDIR)/%.o : $(LUATOP)/src/%.c
	$(TARGET_CC) $(TARGET_CFLAGS) $(LUA_FLAGS) -o$@ $<
ifdef WANT_WIN_CURSES
# Rules for PDCurses files
$(TARGETDIR)/%.o : $(PDCTOP)/pdcurses/%.c
	$(TARGET_CC) $(PDCINCL) $(TARGET_CFLAGS) -o$@  $<
endif  # WANT_WIN_CURSES

# 
# End of cross-compiling -PRE section
#===============-=================================================