Subversion Repositories Games.Chess Giants

# Stockfish, a UCI chess playing engine derived from Glaurung 2.1

# Copyright (C) 2004-2008 Tord Romstad (Glaurung author)

# Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad

# Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad

#

# Stockfish is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# Stockfish is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

### ==========================================================================

### Section 1. General Configuration

### ==========================================================================

### Establish the operating system name

# Pierre-Marie Baty -- Windows doesn't know uname

ifeq ($(OS),Windows_NT)

	KERNEL = Windows

else

	KERNEL = $(shell uname -s)

	ifeq ($(KERNEL),Linux)

		OS = $(shell uname -o)

	endif

endif

### Executable name

# Pierre-Marie Baty -- on Windows, add the .exe extension

ifeq ($(OS),Windows_NT)

	EXE = stockfish.exe

else

	EXE = stockfish

endif

### Installation dir definitions

PREFIX = /usr/local

BINDIR = $(PREFIX)/bin

### Built-in benchmark for pgo-builds

PGOBENCH = ./$(EXE) bench

### Object files

OBJS = benchmark.o bitbase.o bitboard.o endgame.o evaluate.o main.o \

	material.o misc.o movegen.o movepick.o pawns.o position.o psqt.o \

	search.o thread.o timeman.o tt.o uci.o ucioption.o syzygy/tbprobe.o

### ==========================================================================

### Section 2. High-level Configuration

### ==========================================================================

#

# flag                --- Comp switch --- Description

# ----------------------------------------------------------------------------

#

# debug = yes/no      --- -DNDEBUG         --- Enable/Disable debug mode

# sanitize = undefined/thread/no (-fsanitize )

#                     --- ( undefined )    --- enable undefined behavior checks

#                     --- ( thread    )    --- enable threading error  checks

# optimize = yes/no   --- (-O3/-fast etc.) --- Enable/Disable optimizations

# arch = (name)       --- (-arch)          --- Target architecture

# bits = 64/32        --- -DIS_64BIT       --- 64-/32-bit operating system

# prefetch = yes/no   --- -DUSE_PREFETCH   --- Use prefetch asm-instruction

# popcnt = yes/no     --- -DUSE_POPCNT     --- Use popcnt asm-instruction

# sse = yes/no        --- -msse            --- Use Intel Streaming SIMD Extensions

# pext = yes/no       --- -DUSE_PEXT       --- Use pext x86_64 asm-instruction

#

# Note that Makefile is space sensitive, so when adding new architectures

# or modifying existing flags, you have to make sure there are no extra spaces

# at the end of the line for flag values.

### 2.1. General and architecture defaults

optimize = yes

debug = no

sanitize = no

bits = 32

prefetch = no

popcnt = no

sse = no

pext = no

### 2.2 Architecture specific

ifeq ($(ARCH),general-32)

	arch = any

endif

ifeq ($(ARCH),x86-32-old)

	arch = i386

endif

ifeq ($(ARCH),x86-32)

	arch = i386

	prefetch = yes

	sse = yes

endif

ifeq ($(ARCH),general-64)

	arch = any

	bits = 64

endif

ifeq ($(ARCH),x86-64)

	arch = x86_64

	bits = 64

	prefetch = yes

	sse = yes

endif

ifeq ($(ARCH),x86-64-modern)

	arch = x86_64

	bits = 64

	prefetch = yes

	popcnt = yes

	sse = yes

endif

ifeq ($(ARCH),x86-64-bmi2)

	arch = x86_64

	bits = 64

	prefetch = yes

	popcnt = yes

	sse = yes

	pext = yes

endif

ifeq ($(ARCH),armv7)

	arch = armv7

	prefetch = yes

endif

ifeq ($(ARCH),ppc-32)

	arch = ppc

endif

ifeq ($(ARCH),ppc-64)

	arch = ppc64

	bits = 64

endif

### ==========================================================================

### Section 3. Low-level configuration

### ==========================================================================

### 3.1 Selecting compiler (default = gcc)

ifeq ($(OS),Windows_NT)

# Pierre-Marie Baty -- we need two extra flags AND the C++14 standard when building with Clang against the Visual Studio 2015 SDK

CXXFLAGS += -Xclang -flto-visibility-public-std -Wall -Wcast-qual -fno-exceptions -std=c++14 $(EXTRACXXFLAGS)

DEPENDFLAGS += -std=c++14

else

CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -std=c++11 $(EXTRACXXFLAGS)

DEPENDFLAGS += -std=c++11

endif

LDFLAGS += $(EXTRALDFLAGS)

#ifeq ($(COMP),)

#	COMP=gcc

#endif

COMP=clang

ifeq ($(COMP),gcc)

	comp=gcc

	CXX=g++

	CXXFLAGS += -pedantic -Wextra -Wshadow

	ifeq ($(ARCH),armv7)

		ifeq ($(OS),Android)

			CXXFLAGS += -m$(bits)

			LDFLAGS += -m$(bits)

		endif

	else

		CXXFLAGS += -m$(bits)

		LDFLAGS += -m$(bits)

	endif

	ifneq ($(KERNEL),Darwin)

	   LDFLAGS += -Wl,--no-as-needed

	endif

endif

ifeq ($(COMP),mingw)

	comp=mingw

	ifeq ($(KERNEL),Linux)

		ifeq ($(bits),64)

			ifeq ($(shell which x86_64-w64-mingw32-c++-posix),)

				CXX=x86_64-w64-mingw32-c++

			else

				CXX=x86_64-w64-mingw32-c++-posix

			endif

		else

			ifeq ($(shell which i686-w64-mingw32-c++-posix),)

				CXX=i686-w64-mingw32-c++

			else

				CXX=i686-w64-mingw32-c++-posix

			endif

		endif

	else

		CXX=g++

	endif

	CXXFLAGS += -Wextra -Wshadow

	LDFLAGS += -static

endif

ifeq ($(COMP),icc)

	comp=icc

	CXX=icpc

	CXXFLAGS += -diag-disable 1476,10120 -Wcheck -Wabi -Wdeprecated -strict-ansi

endif

ifeq ($(COMP),clang)

	comp=clang

	CXX=clang++

	CXXFLAGS += -pedantic -Wextra -Wshadow

# Pierre-Marie Baty -- also add the test case for Windows

ifneq ($(OS),Windows_NT)

ifneq ($(KERNEL),Darwin)

ifneq ($(KERNEL),OpenBSD)

	LDFLAGS += -latomic

endif

endif

endif

	ifeq ($(ARCH),armv7)

		ifeq ($(OS),Android)

			CXXFLAGS += -m$(bits)

			LDFLAGS += -m$(bits)

		endif

	else

		CXXFLAGS += -m$(bits)

		LDFLAGS += -m$(bits)

	endif

endif

ifeq ($(comp),icc)

	profile_make = icc-profile-make

	profile_use = icc-profile-use

else

ifeq ($(comp),clang)

	profile_make = clang-profile-make

	profile_use = clang-profile-use

else

	profile_make = gcc-profile-make

	profile_use = gcc-profile-use

endif

endif

ifeq ($(KERNEL),Darwin)

	CXXFLAGS += -arch $(arch) -mmacosx-version-min=10.9

	LDFLAGS += -arch $(arch) -mmacosx-version-min=10.9

endif

### Travis CI script uses COMPILER to overwrite CXX

ifdef COMPILER

	COMPCXX=$(COMPILER)

endif

### Allow overwriting CXX from command line

ifdef COMPCXX

	CXX=$(COMPCXX)

endif

# Pierre-Marie Baty -- also add the test case for Windows

ifneq ($(OS),Windows_NT)

	### On mingw use Windows threads, otherwise POSIX

	ifneq ($(comp),mingw)

		# On Android Bionic's C library comes with its own pthread implementation bundled in

		ifneq ($(OS),Android)

			# Haiku has pthreads in its libroot, so only link it in on other platforms

			ifneq ($(KERNEL),Haiku)

				LDFLAGS += -lpthread

			endif

		endif

	endif

endif

### 3.2.1 Debugging

ifeq ($(debug),no)

	CXXFLAGS += -DNDEBUG

else

	CXXFLAGS += -g

endif

### 3.2.2 Debugging with undefined behavior sanitizers

ifneq ($(sanitize),no)

        CXXFLAGS += -g3 -fsanitize=$(sanitize) -fuse-ld=gold

        LDFLAGS += -fsanitize=$(sanitize) -fuse-ld=gold

endif

### 3.3 Optimization

ifeq ($(optimize),yes)

	CXXFLAGS += -O3

	ifeq ($(comp),gcc)

		ifeq ($(KERNEL),Darwin)

			ifeq ($(arch),i386)

				CXXFLAGS += -mdynamic-no-pic

			endif

			ifeq ($(arch),x86_64)

				CXXFLAGS += -mdynamic-no-pic

			endif

		endif

		ifeq ($(OS), Android)

			CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp

		endif

	endif

	ifeq ($(comp),icc)

		ifeq ($(KERNEL),Darwin)

			CXXFLAGS += -mdynamic-no-pic

		endif

	endif

	ifeq ($(comp),clang)

		ifeq ($(KERNEL),Darwin)

				CXXFLAGS += -flto

				LDFLAGS += $(CXXFLAGS)

			ifeq ($(arch),i386)

				CXXFLAGS += -mdynamic-no-pic

			endif

			ifeq ($(arch),x86_64)

				CXXFLAGS += -mdynamic-no-pic

			endif

		endif

	endif

endif

### 3.4 Bits

ifeq ($(bits),64)

	CXXFLAGS += -DIS_64BIT

endif

### 3.5 prefetch

ifeq ($(prefetch),yes)

	ifeq ($(sse),yes)

		CXXFLAGS += -msse

		DEPENDFLAGS += -msse

	endif

else

	CXXFLAGS += -DNO_PREFETCH

endif

### 3.6 popcnt

ifeq ($(popcnt),yes)

	ifeq ($(comp),icc)

		CXXFLAGS += -msse3 -DUSE_POPCNT

	else

		CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT

	endif

endif

### 3.7 pext

ifeq ($(pext),yes)

	CXXFLAGS += -DUSE_PEXT

	ifeq ($(comp),$(filter $(comp),gcc clang mingw))

		CXXFLAGS += -mbmi2

	endif

endif

### 3.8 Link Time Optimization, it works since gcc 4.5 but not on mingw under Windows.

### This is a mix of compile and link time options because the lto link phase

### needs access to the optimization flags.

ifeq ($(comp),gcc)

	ifeq ($(optimize),yes)

	ifeq ($(debug),no)

		CXXFLAGS += -flto

		LDFLAGS += $(CXXFLAGS)

	endif

	endif

endif

ifeq ($(comp),mingw)

	ifeq ($(KERNEL),Linux)

	ifeq ($(optimize),yes)

	ifeq ($(debug),no)

		CXXFLAGS += -flto

		LDFLAGS += $(CXXFLAGS)

	endif

	endif

	endif

endif

### 3.9 Android 5 can only run position independent executables. Note that this

### breaks Android 4.0 and earlier.

ifeq ($(OS), Android)

	CXXFLAGS += -fPIE

	LDFLAGS += -fPIE -pie

endif

### ==========================================================================

### Section 4. Public targets

### ==========================================================================

help:

	@echo ""

	@echo "To compile stockfish, type: "

	@echo ""

	@echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"

	@echo ""

	@echo "Supported targets:"

	@echo ""

	@echo "build                   > Standard build"

	@echo "profile-build           > PGO build"

	@echo "strip                   > Strip executable"

	@echo "install                 > Install executable"

	@echo "clean                   > Clean up"

	@echo ""

	@echo "Supported archs:"

	@echo ""

	@echo "x86-64                  > x86 64-bit"

	@echo "x86-64-modern           > x86 64-bit with popcnt support"

	@echo "x86-64-bmi2             > x86 64-bit with pext support"

	@echo "x86-32                  > x86 32-bit with SSE support"

	@echo "x86-32-old              > x86 32-bit fall back for old hardware"

	@echo "ppc-64                  > PPC 64-bit"

	@echo "ppc-32                  > PPC 32-bit"

	@echo "armv7                   > ARMv7 32-bit"

	@echo "general-64              > unspecified 64-bit"

	@echo "general-32              > unspecified 32-bit"

	@echo ""

	@echo "Supported compilers:"

	@echo ""

	@echo "gcc                     > Gnu compiler (default)"

	@echo "mingw                   > Gnu compiler with MinGW under Windows"

	@echo "clang                   > LLVM Clang compiler"

	@echo "icc                     > Intel compiler"

	@echo ""

	@echo "Simple examples. If you don't know what to do, you likely want to run: "

	@echo ""

	@echo "make build ARCH=x86-64    (This is for 64-bit systems)"

	@echo "make build ARCH=x86-32    (This is for 32-bit systems)"

	@echo ""

	@echo "Advanced examples, for experienced users: "

	@echo ""

	@echo "make build ARCH=x86-64 COMP=clang"

	@echo "make profile-build ARCH=x86-64-modern COMP=gcc COMPCXX=g++-4.8"

	@echo ""

.PHONY: help build profile-build strip install clean objclean profileclean help \

        config-sanity icc-profile-use icc-profile-make gcc-profile-use gcc-profile-make \

        clang-profile-use clang-profile-make

build: config-sanity

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all

profile-build: config-sanity objclean profileclean

	@echo ""

	@echo "Step 1/4. Building instrumented executable ..."

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)

	@echo ""

	@echo "Step 2/4. Running benchmark for pgo-build ..."

	$(PGOBENCH) > /dev/null

	@echo ""

	@echo "Step 3/4. Building optimized executable ..."

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) objclean

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_use)

	@echo ""

	@echo "Step 4/4. Deleting profile data ..."

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) profileclean

strip:

	strip $(EXE)

install:

	-mkdir -p -m 755 $(BINDIR)

	-cp $(EXE) $(BINDIR)

	-strip $(BINDIR)/$(EXE)

#clean all

clean: objclean profileclean

ifneq ($(OS),Windows_NT)

	@rm -f .depend *~ core

else

	@del /f .depend *~ core > nul 2>&1

endif

# clean binaries and objects

objclean:

ifneq ($(OS),Windows_NT)

	@rm -f $(EXE) $(EXE).exe *.o ./syzygy/*.o

else

	@del /f $(EXE) $(EXE).exe *.o .\syzygy\*.o > nul 2>&1

endif

# clean auxiliary profiling files

profileclean:

ifneq ($(OS),Windows_NT)

	@rm -rf profdir

	@rm -f bench.txt *.gcda ./syzygy/*.gcda *.gcno ./syzygy/*.gcno

	@rm -f stockfish.profdata *.profraw

else

	@del /f /s /q profdir > nul 2>&1

	@del /f bench.txt *.gcda .\syzygy\*.gcda *.gcno .\syzygy\*.gcno > nul 2>&1

	@del /f stockfish.profdata *.profraw > nul 2>&1

endif

default:

	help

### ==========================================================================

### Section 5. Private targets

### ==========================================================================

all: $(EXE) .depend

config-sanity:

	@echo ""

	@echo "Config:"

	@echo "debug: '$(debug)'"

	@echo "sanitize: '$(sanitize)'"

	@echo "optimize: '$(optimize)'"

	@echo "arch: '$(arch)'"

	@echo "bits: '$(bits)'"

	@echo "kernel: '$(KERNEL)'"

	@echo "os: '$(OS)'"

	@echo "prefetch: '$(prefetch)'"

	@echo "popcnt: '$(popcnt)'"

	@echo "sse: '$(sse)'"

	@echo "pext: '$(pext)'"

	@echo ""

	@echo "Flags:"

	@echo "CXX: $(CXX)"

	@echo "CXXFLAGS: $(CXXFLAGS)"

	@echo "LDFLAGS: $(LDFLAGS)"

	@echo ""

# Pierre-Marie Baty -- "test" doesn't exist on Windows, so just skip that

ifneq ($(OS),Windows_NT)

	@echo "Testing config sanity. If this fails, try 'make help' ..."

	@echo ""

	@test "$(debug)" = "yes" || test "$(debug)" = "no"

	@test "$(sanitize)" = "undefined" || test "$(sanitize)" = "thread" || test "$(sanitize)" = "no"

	@test "$(optimize)" = "yes" || test "$(optimize)" = "no"

	@test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \

	 test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "armv7"

	@test "$(bits)" = "32" || test "$(bits)" = "64"

	@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"

	@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"

	@test "$(sse)" = "yes" || test "$(sse)" = "no"

	@test "$(pext)" = "yes" || test "$(pext)" = "no"

	@test "$(comp)" = "gcc" || test "$(comp)" = "icc" || test "$(comp)" = "mingw" || test "$(comp)" = "clang"

endif

$(EXE): $(OBJS)

	$(CXX) -o $@ $(OBJS) $(LDFLAGS)

clang-profile-make:

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \

	EXTRACXXFLAGS='-fprofile-instr-generate ' \

	EXTRALDFLAGS=' -fprofile-instr-generate' \

	all

clang-profile-use:

	llvm-profdata merge -output=stockfish.profdata *.profraw

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \

	EXTRACXXFLAGS='-fprofile-instr-use=stockfish.profdata' \

	EXTRALDFLAGS='-fprofile-use ' \

	all

gcc-profile-make:

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \

	EXTRACXXFLAGS='-fprofile-generate' \

	EXTRALDFLAGS='-lgcov' \

	all

gcc-profile-use:

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \

	EXTRACXXFLAGS='-fprofile-use -fno-peel-loops -fno-tracer' \

	EXTRALDFLAGS='-lgcov' \

	all

icc-profile-make:

	@mkdir -p profdir

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \

	EXTRACXXFLAGS='-prof-gen=srcpos -prof_dir ./profdir' \

	all

icc-profile-use:

	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \

	EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \

	all

.depend:

	-@$(CXX) $(DEPENDFLAGS) -MM $(OBJS:.o=.cpp) > $@ 2> /dev/null

-include .depend