# Cooperative Task Switching Library Makefile for DJGPP cross-compilation

DJGPP_PREFIX  = $(HOME)/djgpp/djgpp
DJGPP_LIBPATH = $(HOME)/claude/windriver/tools/lib
CC            = $(DJGPP_PREFIX)/bin/i586-pc-msdosdjgpp-gcc
AR            = LD_LIBRARY_PATH=$(DJGPP_LIBPATH) $(DJGPP_PREFIX)/bin/i586-pc-msdosdjgpp-ar
RANLIB        = LD_LIBRARY_PATH=$(DJGPP_LIBPATH) $(DJGPP_PREFIX)/bin/i586-pc-msdosdjgpp-ranlib
EXE2COFF      = $(DJGPP_PREFIX)/i586-pc-msdosdjgpp/bin/exe2coff
CWSDSTUB      = $(DJGPP_PREFIX)/i586-pc-msdosdjgpp/bin/CWSDSTUB.EXE
CFLAGS        = -O2 -Wall -Wextra -march=i486 -mtune=i586

OBJDIR = ../obj/tasks
LIBDIR = ../lib
BINDIR = ../bin

SRCS   = taskswitch.c
OBJS   = $(patsubst %.c,$(OBJDIR)/%.o,$(SRCS))
TARGET = $(LIBDIR)/libtasks.a

DEMO_SRCS = demo.c
DEMO_OBJS = $(patsubst %.c,$(OBJDIR)/%.o,$(DEMO_SRCS))
DEMO_TARGET = $(BINDIR)/tsdemo.exe

.PHONY: all clean

all: $(TARGET)

demo: $(DEMO_TARGET)

$(TARGET): $(OBJS) | $(LIBDIR)
	$(AR) rcs $@ $(OBJS)
	$(RANLIB) $@

$(DEMO_TARGET): $(DEMO_OBJS) $(TARGET) | $(BINDIR)
	$(CC) $(CFLAGS) -o $@ $(DEMO_OBJS) -L$(LIBDIR) -ltasks
	$(EXE2COFF) $@
	cat $(CWSDSTUB) $(BINDIR)/tsdemo > $@
	rm -f $(BINDIR)/tsdemo

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

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

$(LIBDIR):
	mkdir -p $(LIBDIR)

$(BINDIR):
	mkdir -p $(BINDIR)

# Dependencies
$(OBJDIR)/taskswitch.o: taskswitch.c taskswitch.h thirdparty/stb_ds.h
$(OBJDIR)/demo.o: demo.c taskswitch.h

clean:
	rm -f $(OBJS) $(DEMO_OBJS) $(TARGET) $(DEMO_TARGET)