## -----------------------------------------------------------------------
##
##   Copyright 2001-2008 H. Peter Anvin - All Rights Reserved
##
##   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, Inc., 53 Temple Place Ste 330,
##   Boston MA 02111-1307, USA; either version 2 of the License, or
##   (at your option) any later version; incorporated herein by reference.
##
## -----------------------------------------------------------------------

##
## COM32 standard modules
##

TMPFILE = $(shell mktemp /tmp/gcc_ok.XXXXXX)
CC	= gcc

gcc_ok   = $(shell tmpf=$(TMPFILE); if $(CC) $(1) -c -x c /dev/null -o $$tmpf 2>/dev/null; \
	           then echo $(1); else echo $(2); fi; rm -f $$tmpf)

M32     := $(call gcc_ok,-m32,) $(call gcc_ok,-fno-stack-protector,)

LD         = ld -m elf_i386
AR	   = ar
NASM	   = nasm
NASMOPT	   = -O9999
RANLIB	   = ranlib
CFLAGS     = $(M32) -mregparm=3 -DREGPARM=3 -W -Wall -march=i386 -Os \
	     -fomit-frame-pointer -D__COM32__ -DDYNAMIC_MODULE \
	     -nostdinc -iwithprefix include \
	     -I../../libutil/include -I../../include \
	     -Wp,-MT,$@,-MD,$(dir $@).$(notdir $@).d
LNXCFLAGS  = -W -Wall -O -g -I../libutil/include
LNXSFLAGS  = -g
LNXLDFLAGS = -g
SFLAGS     = -D__COM32__ -march=i386
LDFLAGS    = -shared -T ../../lib/elf32.ld
OBJCOPY    = objcopy
PPMTOLSS16 =	../ppmtolss16
LIBGCC    := $(shell $(CC) --print-libgcc)
LIBS	   =  $(LIBGCC)

.SUFFIXES: .lss .c .o .dyn

BINDIR   = /usr/bin
LIBDIR   = /usr/lib
DATADIR	 = /usr/share
AUXDIR   = $(DATADIR)/syslinux
INCDIR   = /usr/include
COM32DIR = $(AUXDIR)/com32

MODULES	  = hello.dyn sort.dyn

TESTFILES =

all: $(MODULES) $(TESTFILES)

.PRECIOUS: %.o
%.o: %.S
	$(CC) $(SFLAGS) -c -o $@ $<

.PRECIOUS: %.o
%.o: %.c
	$(CC) $(CFLAGS) -c -o $@ $<
	
.PRECIOUS: %.dyn
%.dyn: %.o $(LIBS)
	$(LD) $(LDFLAGS) -o $@ $^

.PRECIOUS: %.lo
%.lo: %.S
	$(CC) $(LNXSFLAGS) -c -o $@ $<

.PRECIOUS: %.lo
%.lo: %.c
	$(CC) $(LNXCFLAGS) -c -o $@ $<

.PRECIOUS: %.lnx
%.lnx: %.lo $(LNXLIBS)
	$(CC) $(LNXLDFLAGS) -o $@ $^
	
hello.dyn : hello.o  $(LIBS)
	$(LD) $(LDFLAGS) -o $@ $^
	
sort.dyn : sort.o $(LIBS)
	$(LD) $(LDFLAGS) -o $@ $^

tidy dist:
	rm -f *.o *.lo *.a *.lst .*.d 

clean: tidy
	rm -f *.lss *.lnx *.com *.dyn

spotless: clean
	rm -f *~ \#*

install: all
	mkdir -m 755 -p $(INSTALLROOT)$(AUXDIR)
	install -m 644 $(MODULES) $(INSTALLROOT)$(AUXDIR)

-include .*.d