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1## -----------------------------------------------------------------------
2##
3##   Copyright 1998-2009 H. Peter Anvin - All Rights Reserved
4##   Copyright 2009-2014 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
18all_firmware := bios efi32 efi64
19
20#
21# topdir is only set when we are doing a recursive make. Do a bunch of
22# initialisation if it's unset since this is the first invocation.
23#
24ifeq ($(topdir),)
25
26topdir = $(CURDIR)
27
28#
29# Because we need to build modules multiple times, e.g. for BIOS,
30# efi32, efi64, we output all object and executable files to a
31# separate object directory for each firmware.
32#
33# The output directory can be customised by setting the O=/obj/path/
34# variable when invoking make. If no value is specified the default
35# directory is the top-level of the Syslinux source.
36#
37ifeq ("$(origin O)", "command line")
38	OBJDIR := $(O)
39else
40	OBJDIR = $(topdir)
41endif
42
43# If the output directory does not exist we bail because that is the
44# least surprising thing to do.
45cd-output := $(shell cd $(OBJDIR) && /bin/pwd)
46$(if $(cd-output),, \
47	$(error output directory "$(OBJDIR)" does not exist))
48
49#
50# These environment variables are exported to every invocation of
51# make,
52#
53# 'topdir' - the top-level directory containing the Syslinux source
54# 'objdir' - the top-level directory of output files for this firmware
55# 'MAKEDIR' - contains Makefile fragments
56# 'OBJDIR' - the top-level directory of output files
57#
58# There are also a handful of variables that are passed to each
59# sub-make,
60#
61# SRC - source tree location of the module being compiled
62# OBJ - output tree location of the module being compiled
63#
64# A couple of rules for writing Makefiles,
65#
66# - Do not use relative paths, use the above variables
67# - You can write $(SRC) a lot less if you add it to VPATH
68#
69
70MAKEDIR = $(topdir)/mk
71export MAKEDIR topdir OBJDIR
72
73include $(MAKEDIR)/syslinux.mk
74-include $(OBJDIR)/version.mk
75
76private-targets = prerel unprerel official release burn isolinux.iso \
77		  preupload upload test unittest regression spotless
78
79ifeq ($(MAKECMDGOALS),)
80	MAKECMDGOALS += all
81endif
82
83#
84# The 'bios', 'efi32' and 'efi64' are dummy targets. Their only
85# purpose is to instruct us which output directories need
86# creating. Which means that we always need a *real* target, such as
87# 'all', appended to the make goals.
88#
89firmware = $(all_firmware)
90real-target := $(filter-out $(firmware), $(MAKECMDGOALS))
91real-firmware := $(filter $(firmware), $(MAKECMDGOALS))
92
93ifeq ($(real-target),)
94	real-target = all
95endif
96
97ifeq ($(real-firmware),)
98	real-firmware = $(firmware)
99endif
100
101.PHONY: $(filter-out $(private-targets), $(MAKECMDGOALS))
102$(filter-out $(private-targets), $(MAKECMDGOALS)):
103	$(MAKE) -C $(OBJDIR) -f $(CURDIR)/Makefile SRC="$(topdir)" \
104		OBJ=$(OBJDIR) objdir=$(OBJDIR) $(MAKECMDGOALS)
105
106unittest:
107	printf "Executing unit tests\n"
108	$(MAKE) -C core/mem/tests all
109	$(MAKE) -C com32/lib/syslinux/tests all
110
111regression:
112	$(MAKE) -C tests SRC="$(topdir)/tests" OBJ="$(topdir)/tests" \
113		objdir=$(OBJDIR) \
114		-f $(topdir)/tests/Makefile all
115
116test: unittest regression
117
118# Hook to add private Makefile targets for the maintainer.
119-include $(topdir)/Makefile.private
120
121else # ifeq ($(topdir),)
122
123include $(MAKEDIR)/syslinux.mk
124
125# Hook to add private Makefile targets for the maintainer.
126-include $(topdir)/Makefile.private
127
128#
129# The BTARGET refers to objects that are derived from ldlinux.asm; we
130# like to keep those uniform for debugging reasons; however, distributors
131# want to recompile the installers (ITARGET).
132#
133# BOBJECTS and IOBJECTS are the same thing, except used for
134# installation, so they include objects that may be in subdirectories
135# with their own Makefiles.  Finally, there is a list of those
136# directories.
137#
138
139ifndef EFI_BUILD
140MODULES = memdisk/memdisk \
141	com32/menu/*.c32 com32/modules/*.c32 com32/mboot/*.c32 \
142	com32/hdt/*.c32 com32/rosh/*.c32 com32/gfxboot/*.c32 \
143	com32/sysdump/*.c32 com32/lua/src/*.c32 com32/chain/*.c32 \
144	com32/lib/*.c32 com32/libutil/*.c32 com32/gpllib/*.c32 \
145	com32/elflink/ldlinux/*.c32 com32/cmenu/libmenu/*.c32
146else
147# FIXME: Prune other BIOS-centric modules
148MODULES = com32/menu/*.c32 com32/modules/*.c32 com32/mboot/*.c32 \
149	com32/hdt/*.c32 com32/rosh/*.c32 com32/gfxboot/*.c32 \
150	com32/sysdump/*.c32 com32/lua/src/*.c32 com32/chain/*.c32 \
151	com32/lib/*.c32 com32/libutil/*.c32 com32/gpllib/*.c32 \
152	com32/cmenu/libmenu/*.c32 com32/elflink/ldlinux/$(LDLINUX)
153endif
154
155# List of module objects that should be installed for all derivatives
156INSTALLABLE_MODULES = $(MODULES)
157
158# syslinux.exe is BTARGET so as to not require everyone to have the
159# mingw suite installed
160BTARGET  = version.gen version.h $(OBJDIR)/version.mk
161BOBJECTS = $(BTARGET) \
162	mbr/*.bin \
163	core/pxelinux.0 core/lpxelinux.0 \
164	core/isolinux.bin core/isolinux-debug.bin \
165	gpxe/gpxelinux.0 dos/syslinux.com \
166	win32/syslinux.exe win64/syslinux64.exe \
167	dosutil/*.com dosutil/*.sys \
168	$(MODULES)
169
170# BSUBDIRs build the on-target binary components.
171# ISUBDIRs build the installer (host) components.
172#
173# Note: libinstaller is both a BSUBDIR and an ISUBDIR.  It contains
174# files that depend only on the B phase, but may have to be regenerated
175# for "make installer".
176
177ifdef EFI_BUILD
178
179BSUBDIRS = codepage com32 lzo core mbr sample efi txt
180ISUBDIRS =
181
182INSTALLSUBDIRS = efi
183
184NETINSTALLABLE = efi/syslinux.efi $(INSTALLABLE_MODULES)
185
186else
187
188BSUBDIRS = codepage com32 lzo core memdisk mbr gpxe sample \
189	   diag libinstaller dos win32 win64 dosutil txt
190
191ITARGET  =
192IOBJECTS = $(ITARGET) \
193	utils/gethostip utils/isohybrid utils/mkdiskimage \
194	mtools/syslinux linux/syslinux extlinux/extlinux
195ISUBDIRS = libinstaller mtools linux extlinux utils
196
197# Things to install in /usr/bin
198INSTALL_BIN   =	mtools/syslinux
199# Things to install in /sbin
200INSTALL_SBIN  = extlinux/extlinux
201# Things to install in /usr/lib/syslinux
202INSTALL_AUX   =	core/pxelinux.0 gpxe/gpxelinux.0 gpxe/gpxelinuxk.0 \
203		core/isolinux.bin core/isolinux-debug.bin \
204		dos/syslinux.com core/lpxelinux.0 \
205		mbr/*.bin $(INSTALLABLE_MODULES)
206INSTALL_AUX_OPT = win32/syslinux.exe win64/syslinux64.exe
207INSTALL_DIAG  =	diag/mbr/handoff.bin \
208		diag/geodsp/geodsp1s.img.xz diag/geodsp/geodspms.img.xz
209
210# These directories manage their own installables
211INSTALLSUBDIRS = com32 utils dosutil
212
213# Things to install in /boot/extlinux
214EXTBOOTINSTALL = $(INSTALLABLE_MODULES)
215
216# Things to install in /tftpboot
217NETINSTALLABLE = core/pxelinux.0 gpxe/gpxelinux.0 core/lpxelinux.0 \
218		 $(INSTALLABLE_MODULES)
219
220endif # ifdef EFI_BUILD
221
222.PHONY: subdirs $(BSUBDIRS) $(ISUBDIRS) test
223
224ifeq ($(HAVE_FIRMWARE),)
225
226firmware = $(all_firmware)
227
228# If no firmware was specified the rest of MAKECMDGOALS applies to all
229# firmware.
230ifeq ($(filter $(firmware),$(MAKECMDGOALS)),)
231all strip tidy clean dist install installer netinstall: $(all_firmware)
232
233else
234
235# Don't do anything for the rest of MAKECMDGOALS at this level. It
236# will be handled for each of $(firmware).
237strip tidy clean dist install installer netinstall:
238
239endif
240
241# Convert 'make bios strip' to 'make strip', etc for rest of the Makefiles.
242MAKECMDGOALS := $(filter-out $(firmware),$(MAKECMDGOALS))
243ifeq ($(MAKECMDGOALS),)
244	MAKECMDGOALS += all
245endif
246
247#
248# You'd think that we'd be able to use the 'define' directive to
249# abstract the code for invoking make(1) in the output directory, but
250# by using 'define' we lose the ability to build in parallel.
251#
252.PHONY: $(firmware)
253bios:
254	@mkdir -p $(OBJ)/bios
255	$(MAKE) -C $(OBJ)/bios -f $(SRC)/Makefile SRC="$(SRC)" \
256		objdir=$(OBJ)/bios OBJ=$(OBJ)/bios HAVE_FIRMWARE=1 \
257		FIRMWARE=BIOS \
258		ARCH=i386 LDLINUX=ldlinux.c32 $(MAKECMDGOALS)
259
260efi32:
261	@mkdir -p $(OBJ)/efi32
262	$(MAKE) -C $(OBJ)/efi32 -f $(SRC)/Makefile SRC="$(SRC)" \
263		objdir=$(OBJ)/efi32 OBJ=$(OBJ)/efi32 HAVE_FIRMWARE=1 \
264		ARCH=i386 BITS=32 EFI_BUILD=1 LDLINUX=ldlinux.e32 \
265		FIRMWARE=EFI32 \
266		$(MAKECMDGOALS)
267
268efi64:
269	@mkdir -p $(OBJ)/efi64
270	$(MAKE) -C $(OBJ)/efi64 -f $(SRC)/Makefile SRC="$(SRC)" \
271		objdir=$(OBJ)/efi64 OBJ=$(OBJ)/efi64 HAVE_FIRMWARE=1 \
272		ARCH=x86_64 BITS=64 EFI_BUILD=1 LDLINUX=ldlinux.e64 \
273		FIRMWARE=EFI64 \
274		$(MAKECMDGOALS)
275
276else # ifeq($(HAVE_FIRMWARE),)
277
278all: all-local subdirs
279
280all-local: $(BTARGET) $(ITARGET)
281	-ls -l $(BOBJECTS) $(IOBJECTS)
282subdirs: $(BSUBDIRS) $(ISUBDIRS)
283
284$(sort $(ISUBDIRS) $(BSUBDIRS)):
285	@mkdir -p $@
286	$(MAKE) -C $@ SRC="$(SRC)/$@" OBJ="$(OBJ)/$@" \
287		-f $(SRC)/$@/Makefile $(MAKECMDGOALS)
288
289$(ITARGET):
290	@mkdir -p $@
291	$(MAKE) -C $@ SRC="$(SRC)/$@" OBJ="$(OBJ)/$@" \
292		-f $(SRC)/$@/Makefile $(MAKECMDGOALS)
293
294$(BINFILES):
295	@mkdir -p $@
296	$(MAKE) -C $@ SRC="$(SRC)/$@" OBJ="$(OBJ)/$@" \
297		-f $(SRC)/$@/Makefile $(MAKECMDGOALS)
298
299#
300# List the dependencies to help out parallel builds.
301dos extlinux linux mtools win32 win64: libinstaller
302libinstaller: core
303utils: mbr
304core: com32
305efi: core
306gpxe: core
307
308installer: installer-local
309	set -e; for i in $(ISUBDIRS); \
310		do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
311		-f $(SRC)/$$i/Makefile all; done
312
313
314installer-local: $(ITARGET) $(BINFILES)
315
316strip: strip-local
317	set -e; for i in $(ISUBDIRS); \
318		do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
319		-f $(SRC)/$$i/Makefile strip; done
320	-ls -l $(BOBJECTS) $(IOBJECTS)
321
322strip-local:
323
324version.gen: $(topdir)/version $(topdir)/version.pl
325	$(PERL) $(topdir)/version.pl $< $@ '%define < @'
326version.h: $(topdir)/version $(topdir)/version.pl
327	$(PERL) $(topdir)/version.pl $< $@ '#define < @'
328
329local-install: installer
330	mkdir -m 755 -p $(INSTALLROOT)$(BINDIR)
331	install -m 755 -c $(INSTALL_BIN) $(INSTALLROOT)$(BINDIR)
332	mkdir -m 755 -p $(INSTALLROOT)$(SBINDIR)
333	install -m 755 -c $(INSTALL_SBIN) $(INSTALLROOT)$(SBINDIR)
334	mkdir -m 755 -p $(INSTALLROOT)$(AUXDIR)
335	install -m 644 -c $(INSTALL_AUX) $(INSTALLROOT)$(AUXDIR)
336	-install -m 644 -c $(INSTALL_AUX_OPT) $(INSTALLROOT)$(AUXDIR)
337	mkdir -m 755 -p $(INSTALLROOT)$(DIAGDIR)
338	install -m 644 -c $(INSTALL_DIAG) $(INSTALLROOT)$(DIAGDIR)
339	mkdir -m 755 -p $(INSTALLROOT)$(MANDIR)/man1
340	install -m 644 -c $(topdir)/man/*.1 $(INSTALLROOT)$(MANDIR)/man1
341	: mkdir -m 755 -p $(INSTALLROOT)$(MANDIR)/man8
342	: install -m 644 -c man/*.8 $(INSTALLROOT)$(MANDIR)/man8
343
344ifndef EFI_BUILD
345install: local-install
346	set -e ; for i in $(INSTALLSUBDIRS) ; \
347		do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
348		-f $(SRC)/$$i/Makefile $@; done
349else
350install:
351	mkdir -m 755 -p $(INSTALLROOT)$(AUXDIR)/efi$(BITS)
352	set -e ; for i in $(INSTALLSUBDIRS) ; \
353		do $(MAKE) -C $$i SRC="$(SRC)/$$i" OBJ="$(OBJ)/$$i" \
354		BITS="$(BITS)" AUXDIR="$(AUXDIR)/efi$(BITS)" \
355		-f $(SRC)/$$i/Makefile $@; done
356	-install -m 644 $(INSTALLABLE_MODULES) $(INSTALLROOT)$(AUXDIR)/efi$(BITS)
357	install -m 644 com32/elflink/ldlinux/$(LDLINUX) $(INSTALLROOT)$(AUXDIR)/efi$(BITS)
358endif
359
360ifdef EFI_BUILD
361netinstall:
362	mkdir -p $(INSTALLROOT)$(TFTPBOOT)/efi$(BITS)
363	install -m 644 $(NETINSTALLABLE) $(INSTALLROOT)$(TFTPBOOT)/efi$(BITS)
364else
365netinstall: installer
366	mkdir -p $(INSTALLROOT)$(TFTPBOOT)
367	install -m 644 $(NETINSTALLABLE) $(INSTALLROOT)$(TFTPBOOT)
368endif
369
370extbootinstall: installer
371	mkdir -m 755 -p $(INSTALLROOT)$(EXTLINUXDIR)
372	install -m 644 $(EXTBOOTINSTALL) $(INSTALLROOT)$(EXTLINUXDIR)
373
374install-all: install netinstall extbootinstall
375
376local-tidy:
377	rm -f *.o *.elf *_bin.c stupid.* patch.offset
378	rm -f *.lsr *.lst *.map *.sec *.tmp
379	rm -f $(OBSOLETE)
380
381tidy: local-tidy $(BESUBDIRS) $(IESUBDIRS) $(BSUBDIRS) $(ISUBDIRS)
382
383local-clean:
384	rm -f $(ITARGET)
385
386clean: local-tidy local-clean $(BESUBDIRS) $(IESUBDIRS) $(BSUBDIRS) $(ISUBDIRS)
387
388local-dist:
389	find . \( -name '*~' -o -name '#*' -o -name core \
390		-o -name '.*.d' -o -name .depend \) -type f -print0 \
391	| xargs -0rt rm -f
392
393dist: local-dist local-tidy $(BESUBDIRS) $(IESUBDIRS) $(BSUBDIRS) $(ISUBDIRS)
394
395# Shortcut to build linux/syslinux using klibc
396klibc:
397	$(MAKE) clean
398	$(MAKE) CC=klcc ITARGET= ISUBDIRS='linux extlinux' BSUBDIRS=
399endif # ifeq ($(HAVE_FIRMWARE),)
400
401endif # ifeq ($(topdir),)
402
403local-spotless:
404	find . \( -name '*~' -o -name '#*' -o -name core \
405		-o -name '.*.d' -o -name .depend -o -name '*.so.*' \) \
406		-type f -print0 \
407	| xargs -0rt rm -f
408
409spotless: local-spotless
410	rm -rf $(all_firmware)
411
412#
413# Common rules that are needed by every invocation of make.
414#
415$(OBJDIR)/version.mk: $(topdir)/version $(topdir)/version.pl
416	$(PERL) $(topdir)/version.pl $< $@ '< := @'
417