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## -----------------------------------------------------------------------
##
## Copyright 1998-2008 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.
##
## -----------------------------------------------------------------------
#
# Makefile for the SYSLINUX core
#
# No builtin rules
MAKEFLAGS += -r
MAKE += -r
CC = gcc
TMPFILE = $(shell mktemp /tmp/gcc_ok.XXXXXX)
gcc_ok = $(shell tmpf=$(TMPFILE); if $(CC) $(1) dummy.c -o $$tmpf 2>/dev/null; \
then echo '$(1)'; else echo '$(2)'; fi; rm -f $$tmpf)
M32 := $(call gcc_ok,-m32,) $(call gcc_ok,-ffreestanding,) \
$(call gcc_ok,-fno-stack-protector,) \
$(call gcc_ok,-fno-top-level-reorder,$(call gcc_ok,-fno-unit-at-a-time))
LD = ld
LDFLAGS = -m elf_i386
OBJCOPY = objcopy
OBJDUMP = objdump
OPTFLAGS = -g -Os -march=i386 -falign-functions=0 -falign-jumps=0 -falign-loops=0 -fomit-frame-pointer
INCLUDES =
CFLAGS = $(M32) -mregparm=3 -DREGPARM=3 -W -Wall -msoft-float $(OPTFLAGS) $(INCLUDES)
NASM = nasm
NASMOPT = -O9999
NINCLUDE =
PERL = perl
VERSION := $(shell cat ../version)
# _bin.c files required by both BTARGET and ITARGET installers
BINFILES = bootsect_bin.c ldlinux_bin.c \
extlinux_bss_bin.c extlinux_sys_bin.c
# syslinux.exe is BTARGET so as to not require everyone to have the
# mingw suite installed
BTARGET = kwdhash.gen \
ldlinux.bss ldlinux.sys ldlinux.bin \
pxelinux.0 isolinux.bin isolinux-debug.bin \
extlinux.bin extlinux.bss extlinux.sys
ITARGET =
# All primary source files for the main syslinux files
NASMSRC = $(wildcard *.asm)
NASMHDR = $(wildcard *.inc)
CSRC = $(wildcard *.c)
CHDR = $(wildcard *.h)
OTHERSRC = keywords
ALLSRC = $(NASMSRC) $(NASMHDR) $(CSRC) $(CHDR) $(OTHERSRC)
# The DATE is set on the make command line when building binaries for
# official release. Otherwise, substitute a hex string that is pretty much
# guaranteed to be unique to be unique from build to build.
ifndef HEXDATE
HEXDATE := $(shell $(PERL) now.pl $(SRCS))
endif
ifndef DATE
DATE := $(HEXDATE)
endif
#
# NOTE: If you don't have the mingw compiler suite installed, you probably
# want to remove win32 from this list; otherwise you're going to get an
# error every time you try to build.
#
all: all-local
all-local: $(BTARGET) $(BINFILES)
installer: installer-local
installer-local: $(ITARGET) $(BINFILES)
kwdhash.gen: keywords genhash.pl
$(PERL) genhash.pl < keywords > kwdhash.gen
.PRECIOUS: %.elf
# Standard rule for {isolinux,isolinux-debug}.bin
iso%.bin: iso%.elf
$(OBJCOPY) -O binary $< $@
$(PERL) checksumiso.pl $@
# Standard rule for {ldlinux,pxelinux,extlinux}.bin
%.bin: %.elf
$(OBJCOPY) -O binary $< $@
%.o: %.asm kwdhash.gen ../version.gen
$(NASM) $(NASMOPT) -f elf -F stabs -DDATE_STR="'$(DATE)'" \
-DHEXDATE="$(HEXDATE)" \
-l $(@:.o=.lsr) -o $@ $<
%.elf: %.o syslinux.ld
$(LD) $(LDFLAGS) -T syslinux.ld -M -o $@ $< > $(@:.elf=.map)
$(OBJDUMP) -h $@ > $(@:.elf=.sec)
$(PERL) lstadjust.pl $(@:.elf=.lsr) $(@:.elf=.sec) $(@:.elf=.lst)
pxelinux.0: pxelinux.bin
cp -f $< $@
ldlinux.bss: ldlinux.bin
dd if=$< of=$@ bs=512 count=1
ldlinux.sys: ldlinux.bin
dd if=$< of=$@ bs=512 skip=1
extlinux.bss: extlinux.bin
dd if=$< of=$@ bs=512 count=1
extlinux.sys: extlinux.bin
dd if=$< of=$@ bs=512 skip=1
bootsect_bin.c: ldlinux.bss ../bin2c.pl
$(PERL) ../bin2c.pl syslinux_bootsect < $< > $@
ldlinux_bin.c: ldlinux.sys ../bin2c.pl
$(PERL) ../bin2c.pl syslinux_ldlinux < $< > $@
extlinux_bss_bin.c: extlinux.bss ../bin2c.pl
$(PERL) ../bin2c.pl extlinux_bootsect < $< > $@
extlinux_sys_bin.c: extlinux.sys ../bin2c.pl
$(PERL) ../bin2c.pl extlinux_image 512 < $< > $@
install: installer
install-lib: installer
install-all: install install-lib
netinstall: installer
tidy dist:
rm -f *.o *.elf *_bin.c stupid.* patch.offset
rm -f *.lsr *.lst *.map *.sec
rm -f $(OBSOLETE)
clean: tidy
rm -f $(ITARGET)
spotless: clean
rm -f $(BTARGET) .depend
.depend:
rm -f .depend
for csrc in $(CSRC) ; do $(CC) $(INCLUDE) -MM $$csrc >> .depend ; done
for nsrc in $(NASMSRC) ; do $(NASM) -DDEPEND $(NINCLUDE) -o `echo $$nsrc | sed -e 's/\.asm/\.o/'` -M $$nsrc >> .depend ; done
depend:
rm -f .depend
$(MAKE) .depend
# Include dependencies file
include .depend
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