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 # Main Makefile for SYSLINUX
  16 #
  17
  18 #
  19 # topdir is only set when we are doing a recursive make. Do a bunch of
  20 # initialisation if it's unset since this is the first invocation.
  21 #
  22 ifeq ($(topdir),)
  23
  24 topdir = $(CURDIR)
  25
  26 #
  27 # Because we need to build modules multiple times, e.g. for BIOS,
  28 # efi32, efi64, we output all object and executable files to a
  29 # separate object directory for each firmware.
  30 #
  31 # The output directory can be customised by setting the O=/obj/path/
  32 # variable when invoking make. If no value is specified the default
  33 # directory is the top-level of the Syslinux source.
  34 #
  35 ifeq ("$(origin O)", "command line")
  36         OBJDIR := $(O)
  37 else
  38         OBJDIR = $(topdir)
  39 endif
  40
  41 # If the output directory does not exist we bail because that is the
  42 # least surprising thing to do.
  43 cd-output := $(shell cd $(OBJDIR) && /bin/pwd)
  44 $(if $(cd-output),, \
  45         $(error output directory "$(OBJDIR)" does not exist))
  46
  47 #
  48 # These environment variables are exported to every invocation of
  49 # make,
  50 #
  51 # 'topdir' - the top-level directory containing the Syslinux source
  52 # 'objdir' - the top-level directory of output files for this firmware
  53 # 'MAKEDIR' - contains Makefile fragments
  54 # 'OBJDIR' - the top-level directory of output files
  55 #
  56 # There are also a handful of variables that are passed to each
  57 # sub-make,
  58 #
  59 # SRC - source tree location of the module being compiled
  60 # OBJ - output tree location of the module being compiled
  61 #
  62 # A couple of rules for writing Makefiles,
  63 #
  64 # - Do not use relative paths, use the above variables
  65 # - You can write $(SRC) a lot less if you add it to VPATH
  66 #
  67
  68 MAKEDIR = $(topdir)/mk
  69 export MAKEDIR topdir OBJDIR
  70
  71 include $(MAKEDIR)/syslinux.mk
  72 -include $(OBJDIR)/version.mk
  73
  74 private-targets = prerel unprerel official release burn isolinux.iso \
  75                   preupload upload
  76
  77 ifeq ($(MAKECMDGOALS),)
  78         MAKECMDGOALS += all
  79 endif
  80
  81 #
  82 # The 'bios', 'efi32' and 'efi64' are dummy targets. Their only
  83 # purpose is to instruct us which output directories need
  84 # creating. Which means that we always need a *real* target, such as
  85 # 'all', appended to the make goals.
  86 #
  87 firmware = bios efi32 efi64
  88 real-target := $(filter-out $(firmware), $(MAKECMDGOALS))
  89 real-firmware := $(filter $(firmware), $(MAKECMDGOALS))
  90
  91 ifeq ($(real-target),)
  92         real-target = all
  93 endif
  94
  95 ifeq ($(real-firmware),)
  96         real-firmware = $(firmware)
  97 endif
  98
  99 .PHONY: $(filter-out $(private-targets), $(MAKECMDGOALS))
 100 $(filter-out $(private-targets), $(MAKECMDGOALS)):
 101         $(MAKE) -C $(OBJDIR) -f $(CURDIR)/Makefile SRC="$(topdir)" \
 102                 OBJ=$(OBJDIR) objdir=$(OBJDIR) $(MAKECMDGOALS)
 103
 104 # Hook to add private Makefile targets for the maintainer.
 105 -include $(topdir)/Makefile.private
 106
 107 else # ifeq ($(topdir),)
 108
 109 include $(MAKEDIR)/syslinux.mk
 110
 111 # Hook to add private Makefile targets for the maintainer.
 112 -include $(topdir)/Makefile.private
 113
 114 #
 115 # The BTARGET refers to objects that are derived from ldlinux.asm; we
 116 # like to keep those uniform for debugging reasons; however, distributors
 117 # want to recompile the installers (ITARGET).
 118 #
 119 # BOBJECTS and IOBJECTS are the same thing, except used for
 120 # installation, so they include objects that may be in subdirectories
 121 # with their own Makefiles.  Finally, there is a list of those
 122 # directories.
 123 #
 124
 125 ifndef EFI_BUILD
 126 MODULES = memdisk/memdisk memdump/memdump.com \
 127         com32/menu/*.c32 com32/modules/*.c32 com32/mboot/*.c32 \
 128         com32/hdt/*.c32 com32/rosh/*.c32 com32/gfxboot/*.c32 \
 129         com32/sysdump/*.c32 com32/lua/src/*.c32 com32/chain/*.c32 \
 130         com32/lib/*.c32 com32/libutil/*.c32 com32/gpllib/*.c32 \
 131         com32/elflink/ldlinux/*.c32 com32/cmenu/libmenu/*.c32
 132 else
 133 # memdump is BIOS specific code exclude it for EFI
 134 # FIXME: Prune other BIOS-centric modules
 135 MODULES = com32/menu/*.c32 com32/modules/*.c32 com32/mboot/*.c32 \
 136         com32/hdt/*.c32 com32/rosh/*.c32 com32/gfxboot/*.c32 \
 137         com32/sysdump/*.c32 com32/lua/src/*.c32 com32/chain/*.c32 \
 138         com32/lib/*.c32 com32/libutil/*.c32 com32/gpllib/*.c32 \
 139         com32/elflink/ldlinux/*.c32 com32/cmenu/libmenu/*.c32
 140 endif
 141
 142 # List of module objects that should be installed for all derivatives
 143 INSTALLABLE_MODULES = $(MODULES)
 144
 145 # syslinux.exe is BTARGET so as to not require everyone to have the
 146 # mingw suite installed
 147 BTARGET  = version.gen version.h $(OBJDIR)/version.mk
 148 BOBJECTS = $(BTARGET) \
 149         mbr/*.bin \
 150         core/pxelinux.0 core/isolinux.bin core/isolinux-debug.bin \
 151         gpxe/gpxelinux.0 dos/syslinux.com \
 152         win32/syslinux.exe win64/syslinux64.exe \
 153         dosutil/*.com dosutil/*.sys \
 154         $(MODULES)
 155
 156 # BSUBDIRs build the on-target binary components.
 157 # ISUBDIRs build the installer (host) components.
 158 #
 159 # Note: libinstaller is both a BSUBDIR and an ISUBDIR.  It contains
 160 # files that depend only on the B phase, but may have to be regenerated
 161 # for "make installer".
 162
 163 ifdef EFI_BUILD
 164
 165 BSUBDIRS = codepage com32 lzo core mbr sample efi txt
 166 ISUBDIRS = efi utils
 167
 168 INSTALLSUBDIRS = efi
 169
 170 else
 171
 172 BSUBDIRS = codepage com32 lzo core memdisk mbr memdump gpxe sample \
 173            diag libinstaller dos win32 win64 dosutil txt
 174
 175 ITARGET  =
 176 IOBJECTS = $(ITARGET) \
 177         utils/gethostip utils/isohybrid utils/mkdiskimage \
 178         mtools/syslinux linux/syslinux extlinux/extlinux
 179 ISUBDIRS = libinstaller mtools linux extlinux utils
 180
 181 # Things to install in /usr/bin
 182 INSTALL_BIN   = mtools/syslinux
 183 # Things to install in /sbin
 184 INSTALL_SBIN  = extlinux/extlinux
 185 # Things to install in /usr/lib/syslinux
 186 INSTALL_AUX   = core/pxelinux.0 gpxe/gpxelinux.0 gpxe/gpxelinuxk.0 \
 187                 core/isolinux.bin core/isolinux-debug.bin \
 188                 dos/syslinux.com \
 189                 mbr/*.bin $(INSTALLABLE_MODULES)
 190 INSTALL_AUX_OPT = win32/syslinux.exe win64/syslinux64.exe
 191 INSTALL_DIAG  = diag/mbr/handoff.bin \
 192                 diag/geodsp/geodsp1s.img.xz diag/geodsp/geodspms.img.xz
 193
 194 # These directories manage their own installables
 195 INSTALLSUBDIRS = com32 utils dosutil
 196
 197 # Things to install in /boot/extlinux
 198 EXTBOOTINSTALL = $(INSTALLABLE_MODULES)
 199
 200 # Things to install in /tftpboot
 201 NETINSTALLABLE = core/pxelinux.0 gpxe/gpxelinux.0 \
 202                  $(INSTALLABLE_MODULES)
 203
 204 endif # ifdef EFI_BUILD
 205
 206 .PHONY: subdirs $(BSUBDIRS) $(ISUBDIRS)
 207
 208 ifeq ($(HAVE_FIRMWARE),)
 209
 210 firmware = bios efi32 efi64
 211
 212 # If no firmware was specified the rest of MAKECMDGOALS applies to all
 213 # firmware.
 214 ifeq ($(filter $(firmware),$(MAKECMDGOALS)),)
 215 all strip tidy clean dist spotless install installer: bios efi32 efi64
 216
 217 else
 218
 219 # Don't do anything for the rest of MAKECMDGOALS at this level. It
 220 # will be handled for each of $(firmware).
 221 strip tidy clean dist spotless install installer:
 222
 223 endif
 224
 225 # Convert 'make bios strip' to 'make strip', etc for rest of the Makefiles.
 226 MAKECMDGOALS := $(filter-out $(firmware),$(MAKECMDGOALS))
 227 ifeq ($(MAKECMDGOALS),)
 228         MAKECMDGOALS += all
 229 endif
 230
 231 #
 232 # You'd think that we'd be able to use the 'define' directive to
 233 # abstract the code for invoking make(1) in the output directory, but
 234 # by using 'define' we lose the ability to build in parallel.
 235 #
 236 .PHONY: $(firmware)
 237 bios:
 238         @mkdir -p $(OBJ)/bios
 239         $(MAKE) -C $(OBJ)/bios -f $(SRC)/Makefile SRC="$(SRC)" \
 240                 objdir=$(OBJ)/bios OBJ=$(OBJ)/bios HAVE_FIRMWARE=1 \
 241                 ARCH=i386 $(MAKECMDGOALS)
 242
 243 efi32:
 244         @mkdir -p $(OBJ)/efi32
 245         $(MAKE) -C $(OBJ)/efi32 -f $(SRC)/Makefile SRC="$(SRC)" \
 246                 objdir=$(OBJ)/efi32 OBJ=$(OBJ)/efi32 HAVE_FIRMWARE=1 \
 247                 ARCH=i386 BITS=32 EFI_BUILD=1 $(MAKECMDGOALS)
 248
 249 efi64:
 250         @mkdir -p $(OBJ)/efi64
 251         $(MAKE) -C $(OBJ)/efi64 -f $(SRC)/Makefile SRC="$(SRC)" \
 252                 objdir=$(OBJ)/efi64 OBJ=$(OBJ)/efi64 HAVE_FIRMWARE=1 \
 253                 ARCH=x86_64 BITS=64 EFI_BUILD=1 $(MAKECMDGOALS)
 254
 255 else # ifeq($(HAVE_FIRMWARE),)
 256
 257 all: all-local subdirs
 258
 259 all-local: $(BTARGET) $(ITARGET)
 260         -ls -l $(BOBJECTS) $(IOBJECTS)
 261 subdirs: $(BSUBDIRS) $(ISUBDIRS)
 262
 263 $(sort $(ISUBDIRS) $(BSUBDIRS)):
 264         @mkdir -p $@
 265         $(MAKE) -C $@ SRC="$(SRC)/$@" OBJ="$(OBJ)/$@" \
 266                 -f $(SRC)/$@/Makefile $(MAKECMDGOALS)
 267
 268 $(ITARGET):
 269         @mkdir -p $@
 270         $(MAKE) -C $@ SRC="$(SRC)/$@" OBJ="$(OBJ)/$@" \
 271                 -f $(SRC)/$@/Makefile $(MAKECMDGOALS)
 272
 273 $(BINFILES):
 274         @mkdir -p $@
 275         $(MAKE) -C $@ SRC="$(SRC)/$@" OBJ="$(OBJ)/$@" \
 276                 -f $(SRC)/$@/Makefile $(MAKECMDGOALS)
 277
 278 #
 279 # List the dependencies to help out parallel builds.
 280 dos extlinux linux mtools win32 win64: libinstaller
 281 libinstaller: core
 282 utils: mbr
 283 core: com32
 284 efi: core
 285
 286 installer: installer-local
 287         set -e; for i in $(ISUBDIRS); \
 288                 do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
 289                 -f $(SRC)/$$i/Makefile all; done
 290
 291
 292 installer-local: $(ITARGET) $(BINFILES)
 293
 294 strip: strip-local
 295         set -e; for i in $(ISUBDIRS); \
 296                 do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
 297                 -f $(SRC)/$$i/Makefile strip; done
 298         -ls -l $(BOBJECTS) $(IOBJECTS)
 299
 300 strip-local:
 301
 302 version.gen: $(topdir)/version $(topdir)/version.pl
 303         $(PERL) $(topdir)/version.pl $< $@ '%define < @'
 304 version.h: $(topdir)/version $(topdir)/version.pl
 305         $(PERL) $(topdir)/version.pl $< $@ '#define < @'
 306
 307 local-install: installer
 308         mkdir -m 755 -p $(INSTALLROOT)$(BINDIR)
 309         install -m 755 -c $(INSTALL_BIN) $(INSTALLROOT)$(BINDIR)
 310         mkdir -m 755 -p $(INSTALLROOT)$(SBINDIR)
 311         install -m 755 -c $(INSTALL_SBIN) $(INSTALLROOT)$(SBINDIR)
 312         mkdir -m 755 -p $(INSTALLROOT)$(AUXDIR)
 313         install -m 644 -c $(INSTALL_AUX) $(INSTALLROOT)$(AUXDIR)
 314         -install -m 644 -c $(INSTALL_AUX_OPT) $(INSTALLROOT)$(AUXDIR)
 315         mkdir -m 755 -p $(INSTALLROOT)$(DIAGDIR)
 316         install -m 644 -c $(INSTALL_DIAG) $(INSTALLROOT)$(DIAGDIR)
 317         mkdir -m 755 -p $(INSTALLROOT)$(MANDIR)/man1
 318         install -m 644 -c $(topdir)/man/*.1 $(INSTALLROOT)$(MANDIR)/man1
 319         : mkdir -m 755 -p $(INSTALLROOT)$(MANDIR)/man8
 320         : install -m 644 -c man/*.8 $(INSTALLROOT)$(MANDIR)/man8
 321
 322 ifndef EFI_BUILD
 323 install: local-install
 324         set -e ; for i in $(INSTALLSUBDIRS) ; \
 325                 do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
 326                 -f $(SRC)/$$i/Makefile $@; done
 327 else
 328 install:
 329         set -e ; for i in $(INSTALLSUBDIRS) ; \
 330                 do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
 331                 BITS="$(BITS)" -f $(SRC)/$$i/Makefile $@; done
 332
 333         mkdir -m 755 -p $(INSTALLROOT)$(AUXDIR)/efi$(BITS)
 334         install -m 755 $(MODULES) $(INSTALLROOT)$(AUXDIR)/efi$(BITS)
 335 endif
 336
 337 netinstall: installer
 338         mkdir -p $(INSTALLROOT)$(TFTPBOOT)
 339         install -m 644 $(NETINSTALLABLE) $(INSTALLROOT)$(TFTPBOOT)
 340
 341 extbootinstall: installer
 342         mkdir -m 755 -p $(INSTALLROOT)$(EXTLINUXDIR)
 343         install -m 644 $(EXTBOOTINSTALL) $(INSTALLROOT)$(EXTLINUXDIR)
 344
 345 install-all: install netinstall extbootinstall
 346
 347 local-tidy:
 348         rm -f *.o *.elf *_bin.c stupid.* patch.offset
 349         rm -f *.lsr *.lst *.map *.sec *.tmp
 350         rm -f $(OBSOLETE)
 351
 352 tidy: local-tidy $(BESUBDIRS) $(IESUBDIRS) $(BSUBDIRS) $(ISUBDIRS)
 353
 354 local-clean:
 355         rm -f $(ITARGET)
 356
 357 clean: local-tidy local-clean $(BESUBDIRS) $(IESUBDIRS) $(BSUBDIRS) $(ISUBDIRS)
 358
 359 local-dist:
 360         find . \( -name '*~' -o -name '#*' -o -name core \
 361                 -o -name '.*.d' -o -name .depend \) -type f -print0 \
 362         | xargs -0rt rm -f
 363
 364 dist: local-dist local-tidy $(BESUBDIRS) $(IESUBDIRS) $(BSUBDIRS) $(ISUBDIRS)
 365
 366 local-spotless:
 367         rm -f $(BTARGET) .depend *.so.*
 368
 369 spotless: local-clean local-dist local-spotless $(BESUBDIRS) $(IESUBDIRS) $(ISUBDIRS) $(BSUBDIRS)
 370
 371 # Shortcut to build linux/syslinux using klibc
 372 klibc:
 373         $(MAKE) clean
 374         $(MAKE) CC=klcc ITARGET= ISUBDIRS='linux extlinux' BSUBDIRS=
 375 endif # ifeq ($(HAVE_FIRMWARE),)
 376
 377 endif # ifeq ($(topdir),)
 378
 379 #
 380 # Common rules that are needed by every invocation of make.
 381 #
 382 $(OBJDIR)/version.mk: $(topdir)/version $(topdir)/version.pl
 383         $(PERL) $(topdir)/version.pl $< $@ '< := @'