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# Stockfish, a UCI chess playing engine derived from Glaurung 2.1
2
# Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
3
# Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
4
# Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
5
#
6
# Stockfish 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, either version 3 of the License, or
9
# (at your option) any later version.
10
#
11
# Stockfish is distributed in the hope that it will be useful,
12
# but WITHOUT ANY WARRANTY; without even the implied warranty of
13
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
# GNU General Public License for more details.
15
#
16
# You should have received a copy of the GNU General Public License
17
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
18
 
19
 
20
### ==========================================================================
21
### Section 1. General Configuration
22
### ==========================================================================
23
 
24
### Establish the operating system name
25
UNAME = $(shell uname)
26
 
27
### Executable name
28
EXE = stockfish
29
 
30
### Installation dir definitions
31
PREFIX = /usr/local
32
BINDIR = $(PREFIX)/bin
33
 
34
### Built-in benchmark for pgo-builds
35
PGOBENCH = ./$(EXE) bench 16 1 1000 default time
36
 
37
### Object files
38
OBJS = benchmark.o bitbase.o bitboard.o endgame.o evaluate.o main.o \
39
	material.o misc.o movegen.o movepick.o pawns.o position.o psqt.o \
40
	search.o thread.o timeman.o tt.o uci.o ucioption.o syzygy/tbprobe.o
41
 
42
### ==========================================================================
43
### Section 2. High-level Configuration
44
### ==========================================================================
45
#
46
# flag                --- Comp switch --- Description
47
# ----------------------------------------------------------------------------
48
#
49
# debug = yes/no      --- -DNDEBUG         --- Enable/Disable debug mode
50
# optimize = yes/no   --- (-O3/-fast etc.) --- Enable/Disable optimizations
51
# arch = (name)       --- (-arch)          --- Target architecture
52
# bits = 64/32        --- -DIS_64BIT       --- 64-/32-bit operating system
53
# prefetch = yes/no   --- -DUSE_PREFETCH   --- Use prefetch x86 asm-instruction
54
# bsfq = yes/no       --- -DUSE_BSFQ       --- Use bsfq x86_64 asm-instruction (only
55
#                                              with GCC and ICC 64-bit)
56
# popcnt = yes/no     --- -DUSE_POPCNT     --- Use popcnt x86_64 asm-instruction
57
# sse = yes/no        --- -msse            --- Use Intel Streaming SIMD Extensions
58
# pext = yes/no       --- -DUSE_PEXT       --- Use pext x86_64 asm-instruction
59
#
60
# Note that Makefile is space sensitive, so when adding new architectures
61
# or modifying existing flags, you have to make sure there are no extra spaces
62
# at the end of the line for flag values.
63
 
64
### 2.1. General and architecture defaults
65
optimize = yes
66
debug = no
67
bits = 32
68
prefetch = no
69
bsfq = no
70
popcnt = no
71
sse = no
72
pext = no
73
 
74
### 2.2 Architecture specific
75
 
76
ifeq ($(ARCH),general-32)
77
	arch = any
78
endif
79
 
80
ifeq ($(ARCH),x86-32-old)
81
	arch = i386
82
endif
83
 
84
ifeq ($(ARCH),x86-32)
85
	arch = i386
86
	prefetch = yes
87
	sse = yes
88
endif
89
 
90
ifeq ($(ARCH),general-64)
91
	arch = any
92
	bits = 64
93
endif
94
 
95
ifeq ($(ARCH),x86-64)
96
	arch = x86_64
97
	bits = 64
98
	prefetch = yes
99
	bsfq = yes
100
	sse = yes
101
endif
102
 
103
ifeq ($(ARCH),x86-64-modern)
104
	arch = x86_64
105
	bits = 64
106
	prefetch = yes
107
	bsfq = yes
108
	popcnt = yes
109
	sse = yes
110
endif
111
 
112
ifeq ($(ARCH),x86-64-bmi2)
113
	arch = x86_64
114
	bits = 64
115
	prefetch = yes
116
	bsfq = yes
117
	popcnt = yes
118
	sse = yes
119
	pext = yes
120
endif
121
 
122
ifeq ($(ARCH),armv7)
123
	arch = armv7
124
	prefetch = yes
125
	bsfq = yes
126
endif
127
 
128
ifeq ($(ARCH),ppc-32)
129
	arch = ppc
130
endif
131
 
132
ifeq ($(ARCH),ppc-64)
133
	arch = ppc64
134
	bits = 64
135
endif
136
 
137
 
138
### ==========================================================================
139
### Section 3. Low-level configuration
140
### ==========================================================================
141
 
142
### 3.1 Selecting compiler (default = gcc)
143
 
144
CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -fno-rtti -std=c++11 $(EXTRACXXFLAGS)
145
DEPENDFLAGS += -std=c++11
146
LDFLAGS += $(EXTRALDFLAGS)
147
 
148
ifeq ($(COMP),)
149
	COMP=gcc
150
endif
151
 
152
ifeq ($(COMP),gcc)
153
	comp=gcc
154
	CXX=g++
155
	CXXFLAGS += -pedantic -Wextra -Wshadow
156
	ifneq ($(UNAME),Darwin)
157
	   LDFLAGS += -Wl,--no-as-needed
158
	endif
159
endif
160
 
161
ifeq ($(COMP),mingw)
162
	comp=mingw
163
 
164
	ifeq ($(UNAME),Linux)
165
		ifeq ($(bits),64)
166
			ifeq ($(shell which x86_64-w64-mingw32-c++-posix),)
167
				CXX=x86_64-w64-mingw32-c++
168
			else
169
				CXX=x86_64-w64-mingw32-c++-posix
170
			endif
171
		else
172
			ifeq ($(shell which i686-w64-mingw32-c++-posix),)
173
				CXX=i686-w64-mingw32-c++
174
			else
175
				CXX=i686-w64-mingw32-c++-posix
176
			endif
177
		endif
178
	else
179
		CXX=g++
180
	endif
181
 
182
	CXXFLAGS += -Wextra -Wshadow
183
	LDFLAGS += -static
184
endif
185
 
186
ifeq ($(COMP),icc)
187
	comp=icc
188
	CXX=icpc
189
	CXXFLAGS += -diag-disable 1476,10120 -Wcheck -Wabi -Wdeprecated -strict-ansi
190
endif
191
 
192
ifeq ($(COMP),clang)
193
	comp=clang
194
	CXX=clang++
195
	CXXFLAGS += -pedantic -Wextra -Wshadow
196
	ifeq ($(UNAME),Darwin)
197
		CXXFLAGS += -stdlib=libc++
198
		DEPENDFLAGS += -stdlib=libc++
199
	endif
200
endif
201
 
202
ifeq ($(comp),icc)
203
	profile_prepare = icc-profile-prepare
204
	profile_make = icc-profile-make
205
	profile_use = icc-profile-use
206
	profile_clean = icc-profile-clean
207
else
208
	profile_prepare = gcc-profile-prepare
209
	profile_make = gcc-profile-make
210
	profile_use = gcc-profile-use
211
	profile_clean = gcc-profile-clean
212
endif
213
 
214
ifeq ($(UNAME),Darwin)
215
	CXXFLAGS += -arch $(arch) -mmacosx-version-min=10.9
216
	LDFLAGS += -arch $(arch) -mmacosx-version-min=10.9
217
endif
218
 
219
### Travis CI script uses COMPILER to overwrite CXX
220
ifdef COMPILER
221
	COMPCXX=$(COMPILER)
222
endif
223
 
224
### Allow overwriting CXX from command line
225
ifdef COMPCXX
226
	CXX=$(COMPCXX)
227
endif
228
 
229
### On mingw use Windows threads, otherwise POSIX
230
ifneq ($(comp),mingw)
231
	# On Android Bionic's C library comes with its own pthread implementation bundled in
232
	ifneq ($(arch),armv7)
233
		# Haiku has pthreads in its libroot, so only link it in on other platforms
234
		ifneq ($(UNAME),Haiku)
235
			LDFLAGS += -lpthread
236
		endif
237
	endif
238
endif
239
 
240
### 3.4 Debugging
241
ifeq ($(debug),no)
242
	CXXFLAGS += -DNDEBUG
243
else
244
	CXXFLAGS += -g
245
endif
246
 
247
### 3.5 Optimization
248
ifeq ($(optimize),yes)
249
 
250
	ifeq ($(comp),gcc)
251
		CXXFLAGS += -O3
252
 
253
		ifeq ($(UNAME),Darwin)
254
			ifeq ($(arch),i386)
255
				CXXFLAGS += -mdynamic-no-pic
256
			endif
257
			ifeq ($(arch),x86_64)
258
				CXXFLAGS += -mdynamic-no-pic
259
			endif
260
		endif
261
 
262
		ifeq ($(arch),armv7)
263
			CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
264
		endif
265
	endif
266
 
267
	ifeq ($(comp),mingw)
268
		CXXFLAGS += -O3
269
	endif
270
 
271
	ifeq ($(comp),icc)
272
		ifeq ($(UNAME),Darwin)
273
			CXXFLAGS += -fast -mdynamic-no-pic
274
		else
275
			CXXFLAGS += -fast
276
		endif
277
	endif
278
 
279
	ifeq ($(comp),clang)
280
		CXXFLAGS += -O3
281
 
282
		ifeq ($(UNAME),Darwin)
283
			ifeq ($(pext),no)
284
				CXXFLAGS += -flto
285
				LDFLAGS += $(CXXFLAGS)
286
			endif
287
			ifeq ($(arch),i386)
288
				CXXFLAGS += -mdynamic-no-pic
289
			endif
290
			ifeq ($(arch),x86_64)
291
				CXXFLAGS += -mdynamic-no-pic
292
			endif
293
		endif
294
	endif
295
endif
296
 
297
### 3.6. Bits
298
ifeq ($(bits),64)
299
	CXXFLAGS += -DIS_64BIT
300
endif
301
 
302
### 3.7 prefetch
303
ifeq ($(prefetch),yes)
304
	ifeq ($(sse),yes)
305
		CXXFLAGS += -msse
306
		DEPENDFLAGS += -msse
307
	endif
308
else
309
	CXXFLAGS += -DNO_PREFETCH
310
endif
311
 
312
### 3.8 bsfq
313
ifeq ($(bsfq),yes)
314
	CXXFLAGS += -DUSE_BSFQ
315
endif
316
 
317
### 3.9 popcnt
318
ifeq ($(popcnt),yes)
319
	ifeq ($(comp),icc)
320
		CXXFLAGS += -msse3 -DUSE_POPCNT
321
	else
322
		CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT
323
	endif
324
endif
325
 
326
### 3.10 pext
327
ifeq ($(pext),yes)
328
	CXXFLAGS += -DUSE_PEXT
329
	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
330
		CXXFLAGS += -mbmi -mbmi2
331
	endif
332
endif
333
 
334
### 3.11 Link Time Optimization, it works since gcc 4.5 but not on mingw under Windows.
335
### This is a mix of compile and link time options because the lto link phase
336
### needs access to the optimization flags.
337
ifeq ($(comp),gcc)
338
	ifeq ($(optimize),yes)
339
	ifeq ($(debug),no)
340
		CXXFLAGS += -flto
341
		LDFLAGS += $(CXXFLAGS)
342
	endif
343
	endif
344
endif
345
 
346
ifeq ($(comp),mingw)
347
	ifeq ($(UNAME),Linux)
348
	ifeq ($(optimize),yes)
349
	ifeq ($(debug),no)
350
		CXXFLAGS += -flto
351
		LDFLAGS += $(CXXFLAGS)
352
	endif
353
	endif
354
	endif
355
endif
356
 
357
### 3.12 Android 5 can only run position independent executables. Note that this
358
### breaks Android 4.0 and earlier.
359
ifeq ($(arch),armv7)
360
	CXXFLAGS += -fPIE
361
	LDFLAGS += -fPIE -pie
362
endif
363
 
364
 
365
### ==========================================================================
366
### Section 4. Public targets
367
### ==========================================================================
368
 
369
help:
370
	@echo ""
371
	@echo "To compile stockfish, type: "
372
	@echo ""
373
	@echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"
374
	@echo ""
375
	@echo "Supported targets:"
376
	@echo ""
377
	@echo "build                   > Standard build"
378
	@echo "profile-build           > PGO build"
379
	@echo "strip                   > Strip executable"
380
	@echo "install                 > Install executable"
381
	@echo "clean                   > Clean up"
382
	@echo ""
383
	@echo "Supported archs:"
384
	@echo ""
385
	@echo "x86-64                  > x86 64-bit"
386
	@echo "x86-64-modern           > x86 64-bit with popcnt support"
387
	@echo "x86-64-bmi2             > x86 64-bit with pext support"
388
	@echo "x86-32                  > x86 32-bit with SSE support"
389
	@echo "x86-32-old              > x86 32-bit fall back for old hardware"
390
	@echo "ppc-64                  > PPC 64-bit"
391
	@echo "ppc-32                  > PPC 32-bit"
392
	@echo "armv7                   > ARMv7 32-bit"
393
	@echo "general-64              > unspecified 64-bit"
394
	@echo "general-32              > unspecified 32-bit"
395
	@echo ""
396
	@echo "Supported compilers:"
397
	@echo ""
398
	@echo "gcc                     > Gnu compiler (default)"
399
	@echo "mingw                   > Gnu compiler with MinGW under Windows"
400
	@echo "clang                   > LLVM Clang compiler"
401
	@echo "icc                     > Intel compiler"
402
	@echo ""
403
	@echo "Simple examples. If you don't know what to do, you likely want to run: "
404
	@echo ""
405
	@echo "make build ARCH=x86-64    (This is for 64-bit systems)"
406
	@echo "make build ARCH=x86-32    (This is for 32-bit systems)"
407
	@echo ""
408
	@echo "Advanced examples, for experienced users: "
409
	@echo ""
410
	@echo "make build ARCH=x86-64 COMP=clang"
411
	@echo "make profile-build ARCH=x86-64-modern COMP=gcc COMPCXX=g++-4.8"
412
	@echo ""
413
 
414
 
415
.PHONY: build profile-build
416
build:
417
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
418
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
419
 
420
profile-build:
421
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
422
	@echo ""
423
	@echo "Step 0/4. Preparing for profile build."
424
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_prepare)
425
	@echo ""
426
	@echo "Step 1/4. Building executable for benchmark ..."
427
	@touch *.cpp *.h syzygy/*.cpp syzygy/*.h
428
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)
429
	@echo ""
430
	@echo "Step 2/4. Running benchmark for pgo-build ..."
431
	$(PGOBENCH) > /dev/null
432
	@echo ""
433
	@echo "Step 3/4. Building final executable ..."
434
	@touch *.cpp *.h syzygy/*.cpp syzygy/*.h
435
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_use)
436
	@echo ""
437
	@echo "Step 4/4. Deleting profile data ..."
438
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_clean)
439
 
440
strip:
441
	strip $(EXE)
442
 
443
install:
444
	-mkdir -p -m 755 $(BINDIR)
445
	-cp $(EXE) $(BINDIR)
446
	-strip $(BINDIR)/$(EXE)
447
 
448
clean:
449
	$(RM) $(EXE) $(EXE).exe *.o .depend *~ core bench.txt *.gcda ./syzygy/*.o ./syzygy/*.gcda
450
 
451
default:
452
	help
453
 
454
### ==========================================================================
455
### Section 5. Private targets
456
### ==========================================================================
457
 
458
all: $(EXE) .depend
459
 
460
config-sanity:
461
	@echo ""
462
	@echo "Config:"
463
	@echo "debug: '$(debug)'"
464
	@echo "optimize: '$(optimize)'"
465
	@echo "arch: '$(arch)'"
466
	@echo "bits: '$(bits)'"
467
	@echo "prefetch: '$(prefetch)'"
468
	@echo "bsfq: '$(bsfq)'"
469
	@echo "popcnt: '$(popcnt)'"
470
	@echo "sse: '$(sse)'"
471
	@echo "pext: '$(pext)'"
472
	@echo ""
473
	@echo "Flags:"
474
	@echo "CXX: $(CXX)"
475
	@echo "CXXFLAGS: $(CXXFLAGS)"
476
	@echo "LDFLAGS: $(LDFLAGS)"
477
	@echo ""
478
	@echo "Testing config sanity. If this fails, try 'make help' ..."
479
	@echo ""
480
	@test "$(debug)" = "yes" || test "$(debug)" = "no"
481
	@test "$(optimize)" = "yes" || test "$(optimize)" = "no"
482
	@test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
483
	 test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "armv7"
484
	@test "$(bits)" = "32" || test "$(bits)" = "64"
485
	@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
486
	@test "$(bsfq)" = "yes" || test "$(bsfq)" = "no"
487
	@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
488
	@test "$(sse)" = "yes" || test "$(sse)" = "no"
489
	@test "$(pext)" = "yes" || test "$(pext)" = "no"
490
	@test "$(comp)" = "gcc" || test "$(comp)" = "icc" || test "$(comp)" = "mingw" || test "$(comp)" = "clang"
491
 
492
$(EXE): $(OBJS)
493
	$(CXX) -o $@ $(OBJS) $(LDFLAGS)
494
 
495
gcc-profile-prepare:
496
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) gcc-profile-clean
497
 
498
gcc-profile-make:
499
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
500
	EXTRACXXFLAGS='-fprofile-generate' \
501
	EXTRALDFLAGS='-lgcov' \
502
	all
503
 
504
gcc-profile-use:
505
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
506
	EXTRACXXFLAGS='-fprofile-use -fno-peel-loops -fno-tracer' \
507
	EXTRALDFLAGS='-lgcov' \
508
	all
509
 
510
gcc-profile-clean:
511
	@rm -rf *.gcda *.gcno syzygy/*.gcda syzygy/*.gcno bench.txt
512
 
513
icc-profile-prepare:
514
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) icc-profile-clean
515
	@mkdir profdir
516
 
517
icc-profile-make:
518
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
519
	EXTRACXXFLAGS='-prof-gen=srcpos -prof_dir ./profdir' \
520
	all
521
 
522
icc-profile-use:
523
	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
524
	EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \
525
	all
526
 
527
icc-profile-clean:
528
	@rm -rf profdir bench.txt
529
 
530
.depend:
531
	-@$(CXX) $(DEPENDFLAGS) -MM $(OBJS:.o=.cpp) > $@ 2> /dev/null
532
 
533
-include .depend
534