core/Makefile

   1 ## -----------------------------------------------------------------------
   2 ##
   3 ##   Copyright 1998-2009 H. Peter Anvin - All Rights Reserved
   4 ##   Copyright 2009-2010 Intel Corporation; author: H. Peter Anvin
   5 ##
   6 ##   This program is free software; you can redistribute it and/or modify
   7 ##   it under the terms of the GNU General Public License as published by
   8 ##   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   9 ##   Boston MA 02111-1307, USA; either version 2 of the License, or
  10 ##   (at your option) any later version; incorporated herein by reference.
  11 ##
  12 ## -----------------------------------------------------------------------
  13
  14 #
  15 # Makefile for the SYSLINUX core
  16 #
  17
  18 # No builtin rules
  19 MAKEFLAGS += -r
  20 MAKE      += -r
  21
  22 topdir = ..
  23 MAKEDIR = $(topdir)/mk
  24 include $(MAKEDIR)/embedded.mk
  25 -include $(topdir)/version.mk
  26
  27 OPTFLAGS =
  28 INCLUDES = -I./include -I$(com32)/include -I$(com32)/lib
  29
  30 # This is very similar to cp437; technically it's for Norway and Denmark,
  31 # but it's unlikely the characters that are different will be used in
  32 # filenames by other users.
  33 CODEPAGE = cp865
  34
  35 # The targets to build in this directory...
  36 BTARGET  = kwdhash.gen \
  37            ldlinux.bss ldlinux.sys ldlinux.bin \
  38            isolinux.bin isolinux-debug.bin pxelinux.0
  39
  40 # All primary source files for the main syslinux files
  41 NASMSRC  := $(wildcard *.asm)
  42 NASMHDR  := $(wildcard *.inc)
  43 CSRC     := $(wildcard *.c */*.c */*/*.c)
  44 SSRC     := $(wildcard *.S */*.S */*/*.S)
  45 CHDR     := $(wildcard *.h */*.h */*/*.h)
  46 OTHERSRC := keywords
  47 ALLSRC    = $(NASMSRC) $(NASMHDR) $(CSRC) $(SSRC) $(CHDR) $(OTHERSRC)
  48
  49 COBJ     := $(patsubst %.c,%.o,$(CSRC))
  50 SOBJ     := $(patsubst %.S,%.o,$(SSRC))
  51
  52 # Don't include console objects
  53 COBJS    = $(filter-out rawcon.o plaincon.o,$(COBJ))
  54
  55 LIB      = libcom32.a
  56 LIBS     = $(LIB) --whole-archive $(com32)/lib/libcom32core.a
  57 LIBDEP   = $(filter-out -% %start%,$(LIBS))
  58 LIBOBJS  = $(COBJS) $(SOBJ)
  59
  60 NASMDEBUG = -g -F dwarf
  61 NASMOPT  += $(NASMDEBUG)
  62
  63 PREPCORE = ../lzo/prepcore
  64
  65 # CFLAGS        += -DDEBUG=1
  66
  67 # The DATE is set on the make command line when building binaries for
  68 # official release.  Otherwise, substitute a hex string that is pretty much
  69 # guaranteed to be unique to be unique from build to build.
  70 ifndef HEXDATE
  71 HEXDATE := $(shell $(PERL) ../now.pl $(SRCS))
  72 endif
  73 ifndef DATE
  74 DATE    := $(shell sh ../gen-id.sh $(VERSION) $(HEXDATE))
  75 endif
  76
  77 all: $(BTARGET)
  78
  79 kwdhash.gen: keywords genhash.pl
  80         $(PERL) genhash.pl < keywords > kwdhash.gen
  81
  82 .PRECIOUS: %.elf
  83
  84 %.raw: %.elf
  85         $(OBJCOPY) -O binary -S $< $(@:.bin=.raw)
  86
  87 # GNU make 3.82 gets confused by the first form
  88 .PRECIOUS: %.raw
  89
  90 %.bin: %.raw $(PREPCORE)
  91         $(PREPCORE) $< $@
  92
  93 %.o: %.asm kwdhash.gen ../version.gen
  94         $(NASM) -f elf $(NASMOPT) -DDATE_STR="'$(DATE)'" \
  95                 -DHEXDATE="$(HEXDATE)" \
  96                 -l $(@:.o=.lsr) -o $@ -MP -MD .$@.d $<
  97
  98 AUXLIBS = libisolinux.a libisolinux-debug.a libldlinux.a libpxelinux.a
  99
 100 %.elf: %.o $(LIBDEP) syslinux.ld $(AUXLIBS)
 101         $(LD) $(LDFLAGS) -Bsymbolic -pie -E --hash-style=gnu -T syslinux.ld -M -o $@ $< \
 102                 --start-group $(LIBS) lib$(patsubst %.elf,%.a,$@) --end-group \
 103                 > $(@:.elf=.map)
 104         $(OBJDUMP) -h $@ > $(@:.elf=.sec)
 105         $(PERL) lstadjust.pl $(@:.elf=.lsr) $(@:.elf=.sec) $(@:.elf=.lst)
 106
 107 libisolinux.a: rawcon.o
 108         rm -f $@
 109         $(AR) cq $@ $^
 110         $(RANLIB) $@
 111
 112 libisolinux-debug.a: libisolinux.a
 113         cp $^ $@
 114
 115 libpxelinux.a: libisolinux.a
 116         cp $^ $@
 117
 118 libldlinux.a: plaincon.o
 119         rm -f $@
 120         $(AR) cq $@ $^
 121         $(RANLIB) $@
 122
 123 $(LIB): $(LIBOBJS)
 124         rm -f $@
 125         $(AR) cq $@ $^
 126         $(RANLIB) $@
 127
 128 pxelinux.0: pxelinux.bin
 129         cp -f $< $@
 130
 131 ldlinux.bss: ldlinux.bin
 132         dd if=$< of=$@ bs=512 count=1
 133
 134 ldlinux.sys: ldlinux.bin
 135         dd if=$< of=$@ bs=512 skip=2
 136
 137 codepage.cp: ../codepage/$(CODEPAGE).cp
 138         cp -f $< $@
 139
 140 codepage.o: codepage.S codepage.cp
 141
 142 install: installer
 143
 144 install-lib: installer
 145
 146 install-all: install install-lib
 147
 148 netinstall: installer
 149
 150 tidy dist:
 151         rm -f codepage.cp *.o *.elf *.a stupid.* patch.offset .depend .*.d
 152         rm -f *.elf.tmp *.sym
 153         rm -f *.lsr *.lst *.map *.sec *.raw
 154         rm -f */*.o */*/*.o */*.lst */*/*.lst */.*.d */*/.*.d
 155         rm -f $(OBSOLETE) $(LIB)
 156
 157 clean: tidy
 158
 159 spotless: clean
 160         rm -f $(BTARGET) *.bin *_bin.c
 161
 162 # Include dependencies file
 163 -include .*.d */.*.d */*/.*.d