core/Makefile

   1 ## -----------------------------------------------------------------------
   2 ##
   3 ##   Copyright 1998-2008 H. Peter Anvin - All Rights Reserved
   4 ##
   5 ##   This program is free software; you can redistribute it and/or modify
   6 ##   it under the terms of the GNU General Public License as published by
   7 ##   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   8 ##   Boston MA 02111-1307, USA; either version 2 of the License, or
   9 ##   (at your option) any later version; incorporated herein by reference.
  10 ##
  11 ## -----------------------------------------------------------------------
  12
  13 #
  14 # Makefile for the SYSLINUX core
  15 #
  16
  17 # No builtin rules
  18 MAKEFLAGS += -r
  19 MAKE      += -r
  20
  21 CC       = gcc
  22
  23 TMPFILE = $(shell mktemp /tmp/gcc_ok.XXXXXX)
  24 gcc_ok   = $(shell tmpf=$(TMPFILE); if $(CC) $(1) dummy.c -o $$tmpf 2>/dev/null; \
  25                    then echo '$(1)'; else echo '$(2)'; fi; rm -f $$tmpf)
  26
  27 M32       := $(call gcc_ok,-m32,) $(call gcc_ok,-ffreestanding,) \
  28         $(call gcc_ok,-fno-stack-protector,) \
  29         $(call gcc_ok,-fno-top-level-reorder,$(call gcc_ok,-fno-unit-at-a-time))
  30
  31 LD       = ld
  32 LDFLAGS  = -m elf_i386
  33 OBJCOPY  = objcopy
  34 OBJDUMP  = objdump
  35
  36 OPTFLAGS = -g -Os -march=i386 -falign-functions=0 -falign-jumps=0 -falign-loops=0 -fomit-frame-pointer
  37 INCLUDES =
  38 CFLAGS   = $(M32) -mregparm=3 -DREGPARM=3 -W -Wall -msoft-float $(OPTFLAGS) $(INCLUDES)
  39
  40 NASM     = nasm
  41 NASMOPT  = -O9999
  42 NINCLUDE =
  43
  44 PERL     = perl
  45
  46 VERSION := $(shell cat ../version)
  47
  48 # This is very similar to cp437; technically it's for Norway and Denmark,
  49 # but it's unlikely the characters that are different will be used in
  50 # filenames by other users.
  51 CODEPAGE = cp865
  52
  53 # _bin.c files required by both BTARGET and ITARGET installers
  54 BINFILES = bootsect_bin.c ldlinux_bin.c \
  55            extlinux_bss_bin.c extlinux_sys_bin.c
  56
  57 # syslinux.exe is BTARGET so as to not require everyone to have the
  58 # mingw suite installed
  59 BTARGET  = kwdhash.gen \
  60            ldlinux.bss ldlinux.sys ldlinux.bin \
  61            pxelinux.0 isolinux.bin isolinux-debug.bin \
  62            extlinux.bin extlinux.bss extlinux.sys
  63 ITARGET  =
  64
  65 # All primary source files for the main syslinux files
  66 NASMSRC  = $(wildcard *.asm)
  67 NASMHDR  = $(wildcard *.inc)
  68 CSRC     = $(wildcard *.c)
  69 CHDR     = $(wildcard *.h)
  70 OTHERSRC = keywords
  71 ALLSRC   = $(NASMSRC) $(NASMHDR) $(CSRC) $(CHDR) $(OTHERSRC)
  72
  73 # The DATE is set on the make command line when building binaries for
  74 # official release.  Otherwise, substitute a hex string that is pretty much
  75 # guaranteed to be unique to be unique from build to build.
  76 ifndef HEXDATE
  77 HEXDATE := $(shell $(PERL) now.pl $(SRCS))
  78 endif
  79 ifndef DATE
  80 DATE    := $(HEXDATE)
  81 endif
  82
  83 #
  84 # NOTE: If you don't have the mingw compiler suite installed, you probably
  85 # want to remove win32 from this list; otherwise you're going to get an
  86 # error every time you try to build.
  87 #
  88
  89 all:    all-local
  90
  91 all-local: $(BTARGET) $(BINFILES)
  92
  93 installer: installer-local
  94
  95 installer-local: $(ITARGET) $(BINFILES)
  96
  97 kwdhash.gen: keywords genhash.pl
  98         $(PERL) genhash.pl < keywords > kwdhash.gen
  99
 100 .PRECIOUS: %.elf
 101
 102 # Standard rule for {isolinux,isolinux-debug}.bin
 103 iso%.bin: iso%.elf
 104         $(OBJCOPY) -O binary $< $@
 105         $(PERL) checksumiso.pl $@
 106
 107 # Standard rule for {ldlinux,pxelinux,extlinux}.bin
 108 %.bin: %.elf
 109         $(OBJCOPY) -O binary $< $@
 110
 111 %.o: %.asm kwdhash.gen ../version.gen
 112         $(NASM) $(NASMOPT) -f elf -g -F stabs -DDATE_STR="'$(DATE)'" \
 113                 -DHEXDATE="$(HEXDATE)" \
 114                 -l $(@:.o=.lsr) -o $@ $<
 115
 116 %.elf: %.o syslinux.ld
 117         $(LD) $(LDFLAGS) -T syslinux.ld -M -o $@ $< > $(@:.elf=.map)
 118         $(OBJDUMP) -h $@ > $(@:.elf=.sec)
 119         $(PERL) lstadjust.pl $(@:.elf=.lsr) $(@:.elf=.sec) $(@:.elf=.lst)
 120
 121 pxelinux.0: pxelinux.bin
 122         cp -f $< $@
 123
 124 ldlinux.bss: ldlinux.bin
 125         dd if=$< of=$@ bs=512 count=1
 126
 127 ldlinux.sys: ldlinux.bin
 128         dd if=$< of=$@ bs=512 skip=1
 129
 130 extlinux.bss: extlinux.bin
 131         dd if=$< of=$@ bs=512 count=1
 132
 133 extlinux.sys: extlinux.bin
 134         dd if=$< of=$@ bs=512 skip=1
 135
 136 bootsect_bin.c: ldlinux.bss ../bin2c.pl
 137         $(PERL) ../bin2c.pl syslinux_bootsect < $< > $@
 138
 139 ldlinux_bin.c: ldlinux.sys ../bin2c.pl
 140         $(PERL) ../bin2c.pl syslinux_ldlinux < $< > $@
 141
 142 extlinux_bss_bin.c: extlinux.bss ../bin2c.pl
 143         $(PERL) ../bin2c.pl extlinux_bootsect < $< > $@
 144
 145 extlinux_sys_bin.c: extlinux.sys ../bin2c.pl
 146         $(PERL) ../bin2c.pl extlinux_image 512 < $< > $@
 147
 148 # NASM prior to 2.03 wouldn't auto-generate this dependency...
 149 ldlinux.o: codepage.bin
 150
 151 codepage.bin: ../codepage/$(CODEPAGE).bin
 152         cp -f $< $@
 153
 154 install: installer
 155
 156 install-lib: installer
 157
 158 install-all: install install-lib
 159
 160 netinstall: installer
 161
 162 tidy dist:
 163         rm -f codepage.bin *.o *.elf stupid.* patch.offset
 164         rm -f *.lsr *.lst *.map *.sec
 165         rm -f $(OBSOLETE)
 166
 167 clean: tidy
 168         rm -f $(ITARGET) *_bin.c
 169
 170 spotless: clean
 171         rm -f $(BTARGET) .depend
 172
 173 .depend:
 174         rm -f .depend
 175         for csrc in $(CSRC) ; do $(CC) $(INCLUDE) -MM $$csrc >> .depend ; done
 176         for nsrc in $(NASMSRC) ; do $(NASM) -DDEPEND $(NINCLUDE) -o `echo $$nsrc | sed -e 's/\.asm/\.o/'` -M $$nsrc >> .depend ; done
 177
 178 depend:
 179         rm -f .depend
 180         $(MAKE) .depend
 181
 182 # Include dependencies file
 183 include .depend