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    1 # 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) 2015-2019 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 ### Executable name
   25 ifeq ($(COMP),mingw)
   26 EXE = stockfish.exe
   27 else
   28 EXE = stockfish
   29 endif
   30 
   31 ### Installation dir definitions
   32 PREFIX = /usr/local
   33 BINDIR = $(PREFIX)/bin
   34 
   35 ### Built-in benchmark for pgo-builds
   36 PGOBENCH = ./$(EXE) bench
   37 
   38 ### Object files
   39 OBJS = benchmark.o bitbase.o bitboard.o endgame.o evaluate.o main.o \
   40 	material.o misc.o movegen.o movepick.o pawns.o position.o psqt.o \
   41 	search.o thread.o timeman.o tt.o uci.o ucioption.o syzygy/tbprobe.o
   42 
   43 ### Establish the operating system name
   44 KERNEL = $(shell uname -s)
   45 ifeq ($(KERNEL),Linux)
   46 	OS = $(shell uname -o)
   47 endif
   48 
   49 ### ==========================================================================
   50 ### Section 2. High-level Configuration
   51 ### ==========================================================================
   52 #
   53 # flag                --- Comp switch --- Description
   54 # ----------------------------------------------------------------------------
   55 #
   56 # debug = yes/no      --- -DNDEBUG         --- Enable/Disable debug mode
   57 # sanitize = undefined/thread/no (-fsanitize )
   58 #                     --- ( undefined )    --- enable undefined behavior checks
   59 #                     --- ( thread    )    --- enable threading error  checks
   60 # optimize = yes/no   --- (-O3/-fast etc.) --- Enable/Disable optimizations
   61 # arch = (name)       --- (-arch)          --- Target architecture
   62 # bits = 64/32        --- -DIS_64BIT       --- 64-/32-bit operating system
   63 # prefetch = yes/no   --- -DUSE_PREFETCH   --- Use prefetch asm-instruction
   64 # popcnt = yes/no     --- -DUSE_POPCNT     --- Use popcnt asm-instruction
   65 # sse = yes/no        --- -msse            --- Use Intel Streaming SIMD Extensions
   66 # pext = yes/no       --- -DUSE_PEXT       --- Use pext x86_64 asm-instruction
   67 #
   68 # Note that Makefile is space sensitive, so when adding new architectures
   69 # or modifying existing flags, you have to make sure there are no extra spaces
   70 # at the end of the line for flag values.
   71 
   72 ### 2.1. General and architecture defaults
   73 optimize = yes
   74 debug = no
   75 sanitize = no
   76 bits = 32
   77 prefetch = no
   78 popcnt = no
   79 sse = no
   80 pext = no
   81 
   82 ### 2.2 Architecture specific
   83 
   84 ifeq ($(ARCH),general-32)
   85 	arch = any
   86 endif
   87 
   88 ifeq ($(ARCH),x86-32-old)
   89 	arch = i386
   90 endif
   91 
   92 ifeq ($(ARCH),x86-32)
   93 	arch = i386
   94 	prefetch = yes
   95 	sse = yes
   96 endif
   97 
   98 ifeq ($(ARCH),general-64)
   99 	arch = any
  100 	bits = 64
  101 endif
  102 
  103 ifeq ($(ARCH),x86-64)
  104 	arch = x86_64
  105 	bits = 64
  106 	prefetch = yes
  107 	sse = yes
  108 endif
  109 
  110 ifeq ($(ARCH),x86-64-modern)
  111 	arch = x86_64
  112 	bits = 64
  113 	prefetch = yes
  114 	popcnt = yes
  115 	sse = yes
  116 endif
  117 
  118 ifeq ($(ARCH),x86-64-bmi2)
  119 	arch = x86_64
  120 	bits = 64
  121 	prefetch = yes
  122 	popcnt = yes
  123 	sse = yes
  124 	pext = yes
  125 endif
  126 
  127 ifeq ($(ARCH),armv7)
  128 	arch = armv7
  129 	prefetch = yes
  130 endif
  131 
  132 ifeq ($(ARCH),ppc-32)
  133 	arch = ppc
  134 endif
  135 
  136 ifeq ($(ARCH),ppc-64)
  137 	arch = ppc64
  138 	bits = 64
  139 	popcnt = yes
  140 	prefetch = yes
  141 endif
  142 
  143 
  144 ### ==========================================================================
  145 ### Section 3. Low-level configuration
  146 ### ==========================================================================
  147 
  148 ### 3.1 Selecting compiler (default = gcc)
  149 
  150 CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -std=c++11 $(EXTRACXXFLAGS)
  151 DEPENDFLAGS += -std=c++11
  152 LDFLAGS += $(EXTRALDFLAGS)
  153 
  154 ifeq ($(COMP),)
  155 	COMP=gcc
  156 endif
  157 
  158 ifeq ($(COMP),gcc)
  159 	comp=gcc
  160 	CXX=g++
  161 	CXXFLAGS += -pedantic -Wextra -Wshadow
  162 
  163 	ifeq ($(ARCH),armv7)
  164 		ifeq ($(OS),Android)
  165 			CXXFLAGS += -m$(bits)
  166 			LDFLAGS += -m$(bits)
  167 		endif
  168 	else
  169 		CXXFLAGS += -m$(bits)
  170 		LDFLAGS += -m$(bits)
  171 	endif
  172 
  173 	ifneq ($(KERNEL),Darwin)
  174 	   LDFLAGS += -Wl,--no-as-needed
  175 	endif
  176 endif
  177 
  178 ifeq ($(COMP),mingw)
  179 	comp=mingw
  180 
  181 	ifeq ($(KERNEL),Linux)
  182 		ifeq ($(bits),64)
  183 			ifeq ($(shell which x86_64-w64-mingw32-c++-posix),)
  184 				CXX=x86_64-w64-mingw32-c++
  185 			else
  186 				CXX=x86_64-w64-mingw32-c++-posix
  187 			endif
  188 		else
  189 			ifeq ($(shell which i686-w64-mingw32-c++-posix),)
  190 				CXX=i686-w64-mingw32-c++
  191 			else
  192 				CXX=i686-w64-mingw32-c++-posix
  193 			endif
  194 		endif
  195 	else
  196 		CXX=g++
  197 	endif
  198 
  199 	CXXFLAGS += -Wextra -Wshadow
  200 	LDFLAGS += -static
  201 endif
  202 
  203 ifeq ($(COMP),icc)
  204 	comp=icc
  205 	CXX=icpc
  206 	CXXFLAGS += -diag-disable 1476,10120 -Wcheck -Wabi -Wdeprecated -strict-ansi
  207 endif
  208 
  209 ifeq ($(COMP),clang)
  210 	comp=clang
  211 	CXX=clang++
  212 	CXXFLAGS += -pedantic -Wextra -Wshadow
  213 
  214 	ifneq ($(KERNEL),Darwin)
  215 	ifneq ($(KERNEL),OpenBSD)
  216 		LDFLAGS += -latomic
  217 	endif
  218 	endif
  219 
  220 	ifeq ($(ARCH),armv7)
  221 		ifeq ($(OS),Android)
  222 			CXXFLAGS += -m$(bits)
  223 			LDFLAGS += -m$(bits)
  224 		endif
  225 	else
  226 		CXXFLAGS += -m$(bits)
  227 		LDFLAGS += -m$(bits)
  228 	endif
  229 endif
  230 
  231 ifeq ($(comp),icc)
  232 	profile_make = icc-profile-make
  233 	profile_use = icc-profile-use
  234 else
  235 ifeq ($(comp),clang)
  236 	profile_make = clang-profile-make
  237 	profile_use = clang-profile-use
  238 else
  239 	profile_make = gcc-profile-make
  240 	profile_use = gcc-profile-use
  241 endif
  242 endif
  243 
  244 ifeq ($(KERNEL),Darwin)
  245 	CXXFLAGS += -arch $(arch) -mmacosx-version-min=10.9
  246 	LDFLAGS += -arch $(arch) -mmacosx-version-min=10.9
  247 endif
  248 
  249 ### Travis CI script uses COMPILER to overwrite CXX
  250 ifdef COMPILER
  251 	COMPCXX=$(COMPILER)
  252 endif
  253 
  254 ### Allow overwriting CXX from command line
  255 ifdef COMPCXX
  256 	CXX=$(COMPCXX)
  257 endif
  258 
  259 ### On mingw use Windows threads, otherwise POSIX
  260 ifneq ($(comp),mingw)
  261 	# On Android Bionic's C library comes with its own pthread implementation bundled in
  262 	ifneq ($(OS),Android)
  263 		# Haiku has pthreads in its libroot, so only link it in on other platforms
  264 		ifneq ($(KERNEL),Haiku)
  265 			LDFLAGS += -lpthread
  266 		endif
  267 	endif
  268 endif
  269 
  270 ### 3.2.1 Debugging
  271 ifeq ($(debug),no)
  272 	CXXFLAGS += -DNDEBUG
  273 else
  274 	CXXFLAGS += -g
  275 endif
  276 
  277 ### 3.2.2 Debugging with undefined behavior sanitizers
  278 ifneq ($(sanitize),no)
  279         CXXFLAGS += -g3 -fsanitize=$(sanitize) -fuse-ld=gold
  280         LDFLAGS += -fsanitize=$(sanitize) -fuse-ld=gold
  281 endif
  282 
  283 ### 3.3 Optimization
  284 ifeq ($(optimize),yes)
  285 
  286 	CXXFLAGS += -O3
  287 
  288 	ifeq ($(comp),gcc)
  289 		ifeq ($(OS), Android)
  290 			CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
  291 		endif
  292 	endif
  293 
  294 	ifeq ($(comp),$(filter $(comp),gcc clang icc))
  295 		ifeq ($(KERNEL),Darwin)
  296 			CXXFLAGS += -mdynamic-no-pic
  297 		endif
  298 	endif
  299 endif
  300 
  301 ### 3.4 Bits
  302 ifeq ($(bits),64)
  303 	CXXFLAGS += -DIS_64BIT
  304 endif
  305 
  306 ### 3.5 prefetch
  307 ifeq ($(prefetch),yes)
  308 	ifeq ($(sse),yes)
  309 		CXXFLAGS += -msse
  310 		DEPENDFLAGS += -msse
  311 	endif
  312 else
  313 	CXXFLAGS += -DNO_PREFETCH
  314 endif
  315 
  316 ### 3.6 popcnt
  317 ifeq ($(popcnt),yes)
  318 	ifeq ($(arch),ppc64)
  319 		CXXFLAGS += -DUSE_POPCNT
  320 	else ifeq ($(comp),icc)
  321 		CXXFLAGS += -msse3 -DUSE_POPCNT
  322 	else
  323 		CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT
  324 	endif
  325 endif
  326 
  327 ### 3.7 pext
  328 ifeq ($(pext),yes)
  329 	CXXFLAGS += -DUSE_PEXT
  330 	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
  331 		CXXFLAGS += -msse4 -mbmi2
  332 	endif
  333 endif
  334 
  335 ### 3.8 Link Time Optimization, it works since gcc 4.5 but not on mingw under Windows.
  336 ### This is a mix of compile and link time options because the lto link phase
  337 ### needs access to the optimization flags.
  338 ifeq ($(optimize),yes)
  339 ifeq ($(debug), no)
  340 	ifeq ($(comp),$(filter $(comp),gcc clang))
  341 		CXXFLAGS += -flto
  342 		LDFLAGS += $(CXXFLAGS)
  343 	endif
  344 
  345 	ifeq ($(comp),mingw)
  346 	ifeq ($(KERNEL),Linux)
  347 		CXXFLAGS += -flto
  348 		LDFLAGS += $(CXXFLAGS)
  349 	endif
  350 	endif
  351 endif
  352 endif
  353 
  354 ### 3.9 Android 5 can only run position independent executables. Note that this
  355 ### breaks Android 4.0 and earlier.
  356 ifeq ($(OS), Android)
  357 	CXXFLAGS += -fPIE
  358 	LDFLAGS += -fPIE -pie
  359 endif
  360 
  361 
  362 ### ==========================================================================
  363 ### Section 4. Public targets
  364 ### ==========================================================================
  365 
  366 help:
  367 	@echo ""
  368 	@echo "To compile stockfish, type: "
  369 	@echo ""
  370 	@echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"
  371 	@echo ""
  372 	@echo "Supported targets:"
  373 	@echo ""
  374 	@echo "build                   > Standard build"
  375 	@echo "profile-build           > PGO build"
  376 	@echo "strip                   > Strip executable"
  377 	@echo "install                 > Install executable"
  378 	@echo "clean                   > Clean up"
  379 	@echo ""
  380 	@echo "Supported archs:"
  381 	@echo ""
  382 	@echo "x86-64-bmi2             > x86 64-bit with pext support (also enables SSE4)"
  383 	@echo "x86-64-modern           > x86 64-bit with popcnt support (also enables SSE3)"
  384 	@echo "x86-64                  > x86 64-bit generic"
  385 	@echo "x86-32                  > x86 32-bit (also enables SSE)"
  386 	@echo "x86-32-old              > x86 32-bit fall back for old hardware"
  387 	@echo "ppc-64                  > PPC 64-bit"
  388 	@echo "ppc-32                  > PPC 32-bit"
  389 	@echo "armv7                   > ARMv7 32-bit"
  390 	@echo "general-64              > unspecified 64-bit"
  391 	@echo "general-32              > unspecified 32-bit"
  392 	@echo ""
  393 	@echo "Supported compilers:"
  394 	@echo ""
  395 	@echo "gcc                     > Gnu compiler (default)"
  396 	@echo "mingw                   > Gnu compiler with MinGW under Windows"
  397 	@echo "clang                   > LLVM Clang compiler"
  398 	@echo "icc                     > Intel compiler"
  399 	@echo ""
  400 	@echo "Simple examples. If you don't know what to do, you likely want to run: "
  401 	@echo ""
  402 	@echo "make build ARCH=x86-64    (This is for 64-bit systems)"
  403 	@echo "make build ARCH=x86-32    (This is for 32-bit systems)"
  404 	@echo ""
  405 	@echo "Advanced examples, for experienced users: "
  406 	@echo ""
  407 	@echo "make build ARCH=x86-64 COMP=clang"
  408 	@echo "make profile-build ARCH=x86-64-bmi2 COMP=gcc COMPCXX=g++-4.8"
  409 	@echo ""
  410 
  411 
  412 .PHONY: help build profile-build strip install clean objclean profileclean help \
  413         config-sanity icc-profile-use icc-profile-make gcc-profile-use gcc-profile-make \
  414         clang-profile-use clang-profile-make
  415 
  416 build: config-sanity
  417 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
  418 
  419 profile-build: config-sanity objclean profileclean
  420 	@echo ""
  421 	@echo "Step 1/4. Building instrumented executable ..."
  422 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)
  423 	@echo ""
  424 	@echo "Step 2/4. Running benchmark for pgo-build ..."
  425 	$(PGOBENCH) > /dev/null
  426 	@echo ""
  427 	@echo "Step 3/4. Building optimized executable ..."
  428 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) objclean
  429 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_use)
  430 	@echo ""
  431 	@echo "Step 4/4. Deleting profile data ..."
  432 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) profileclean
  433 
  434 strip:
  435 	strip $(EXE)
  436 
  437 install:
  438 	-mkdir -p -m 755 $(BINDIR)
  439 	-cp $(EXE) $(BINDIR)
  440 	-strip $(BINDIR)/$(EXE)
  441 
  442 #clean all
  443 clean: objclean profileclean
  444 	@rm -f .depend *~ core
  445 
  446 # clean binaries and objects
  447 objclean:
  448 	@rm -f $(EXE) *.o ./syzygy/*.o
  449 
  450 # clean auxiliary profiling files
  451 profileclean:
  452 	@rm -rf profdir
  453 	@rm -f bench.txt *.gcda ./syzygy/*.gcda *.gcno ./syzygy/*.gcno
  454 	@rm -f stockfish.profdata *.profraw
  455 
  456 default:
  457 	help
  458 
  459 ### ==========================================================================
  460 ### Section 5. Private targets
  461 ### ==========================================================================
  462 
  463 all: $(EXE) .depend
  464 
  465 config-sanity:
  466 	@echo ""
  467 	@echo "Config:"
  468 	@echo "debug: '$(debug)'"
  469 	@echo "sanitize: '$(sanitize)'"
  470 	@echo "optimize: '$(optimize)'"
  471 	@echo "arch: '$(arch)'"
  472 	@echo "bits: '$(bits)'"
  473 	@echo "kernel: '$(KERNEL)'"
  474 	@echo "os: '$(OS)'"
  475 	@echo "prefetch: '$(prefetch)'"
  476 	@echo "popcnt: '$(popcnt)'"
  477 	@echo "sse: '$(sse)'"
  478 	@echo "pext: '$(pext)'"
  479 	@echo ""
  480 	@echo "Flags:"
  481 	@echo "CXX: $(CXX)"
  482 	@echo "CXXFLAGS: $(CXXFLAGS)"
  483 	@echo "LDFLAGS: $(LDFLAGS)"
  484 	@echo ""
  485 	@echo "Testing config sanity. If this fails, try 'make help' ..."
  486 	@echo ""
  487 	@test "$(debug)" = "yes" || test "$(debug)" = "no"
  488 	@test "$(sanitize)" = "undefined" || test "$(sanitize)" = "thread" || test "$(sanitize)" = "address" || test "$(sanitize)" = "no"
  489 	@test "$(optimize)" = "yes" || test "$(optimize)" = "no"
  490 	@test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
  491 	 test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "armv7"
  492 	@test "$(bits)" = "32" || test "$(bits)" = "64"
  493 	@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
  494 	@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
  495 	@test "$(sse)" = "yes" || test "$(sse)" = "no"
  496 	@test "$(pext)" = "yes" || test "$(pext)" = "no"
  497 	@test "$(comp)" = "gcc" || test "$(comp)" = "icc" || test "$(comp)" = "mingw" || test "$(comp)" = "clang"
  498 
  499 $(EXE): $(OBJS)
  500 	$(CXX) -o $@ $(OBJS) $(LDFLAGS)
  501 
  502 clang-profile-make:
  503 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
  504 	EXTRACXXFLAGS='-fprofile-instr-generate ' \
  505 	EXTRALDFLAGS=' -fprofile-instr-generate' \
  506 	all
  507 
  508 clang-profile-use:
  509 	llvm-profdata merge -output=stockfish.profdata *.profraw
  510 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
  511 	EXTRACXXFLAGS='-fprofile-instr-use=stockfish.profdata' \
  512 	EXTRALDFLAGS='-fprofile-use ' \
  513 	all
  514 
  515 gcc-profile-make:
  516 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
  517 	EXTRACXXFLAGS='-fprofile-generate' \
  518 	EXTRALDFLAGS='-lgcov' \
  519 	all
  520 
  521 gcc-profile-use:
  522 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
  523 	EXTRACXXFLAGS='-fprofile-use -fno-peel-loops -fno-tracer' \
  524 	EXTRALDFLAGS='-lgcov' \
  525 	all
  526 
  527 icc-profile-make:
  528 	@mkdir -p profdir
  529 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
  530 	EXTRACXXFLAGS='-prof-gen=srcpos -prof_dir ./profdir' \
  531 	all
  532 
  533 icc-profile-use:
  534 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
  535 	EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \
  536 	all
  537 
  538 .depend:
  539 	-@$(CXX) $(DEPENDFLAGS) -MM $(OBJS:.o=.cpp) > $@ 2> /dev/null
  540 
  541 -include .depend
  542