# The MIT License (MIT)
#
# Copyright (C) 2026 Scott Duensing
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

# DVX Serial Stack Makefile for DJGPP cross-compilation
#
# Builds serial.lib -- combines rs232, packet, security, and seclink
# into a single DXE library loaded by the DVX system.

DJGPP_PREFIX  = $(HOME)/djgpp/djgpp
CC            = $(DJGPP_PREFIX)/bin/i586-pc-msdosdjgpp-gcc
DXE3GEN       = PATH=$(DJGPP_PREFIX)/bin:$(PATH) DJDIR=$(DJGPP_PREFIX)/i586-pc-msdosdjgpp $(DJGPP_PREFIX)/i586-pc-msdosdjgpp/bin/dxe3gen
CFLAGS        = -O2 -Wall -Wextra -Werror -Wno-format-truncation -march=i486 -mtune=i586 -Irs232 -Ipacket -Isecurity -Iseclink -I../libdvx -I../libdvx/platform -I../libtasks

OBJDIR  = ../../../../obj/serial
LIBSDIR = ../../../../bin/libs

SRCS = rs232/rs232.c packet/packet.c security/security.c seclink/secLink.c
OBJS = $(OBJDIR)/rs232.o $(OBJDIR)/packet.o $(OBJDIR)/security.o $(OBJDIR)/secLink.o
TARGETDIR = $(LIBSDIR)/kpunch/serial
TARGET    = $(TARGETDIR)/serial.lib

.PHONY: all clean

all: $(TARGET) $(TARGETDIR)/serial.dep

$(TARGETDIR)/serial.dep: serial.dep | $(TARGETDIR)
	sed 's/$$/\r/' $< > $@

$(TARGET): $(OBJS) | $(TARGETDIR)
	$(DXE3GEN) -o $(TARGETDIR)/serial.dxe -U $(OBJS)
	mv $(TARGETDIR)/serial.dxe $@

$(OBJDIR)/rs232.o: rs232/rs232.c | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/packet.o: packet/packet.c | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/security.o: security/security.c | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/secLink.o: seclink/secLink.c | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR):
	mkdir -p $(OBJDIR)

$(LIBSDIR):
	mkdir -p $(LIBSDIR)

$(TARGETDIR):
	mkdir -p $(TARGETDIR)

# Dependencies
$(OBJDIR)/rs232.o: rs232/rs232.c rs232/rs232.h
$(OBJDIR)/packet.o: packet/packet.c packet/packet.h rs232/rs232.h
$(OBJDIR)/security.o: security/security.c security/security.h
$(OBJDIR)/secLink.o: seclink/secLink.c seclink/secLink.h rs232/rs232.h packet/packet.h security/security.h

clean:
	rm -rf $(OBJS) $(TARGET) $(TARGETDIR)/serial.dep $(TARGETDIR)
