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# 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) 2015-2016 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
KERNEL = $(shell uname -s)
ifeq ($(KERNEL),Linux)
OS = $(shell uname -o)
endif
### Executable name
EXE = stockfish
### 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 = yes/no --- (-fsanitize ) --- enable undefined behavior 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)
CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -fno-rtti -std=c++11 $(EXTRACXXFLAGS)
DEPENDFLAGS += -std=c++11
LDFLAGS += $(EXTRALDFLAGS)
ifeq ($(COMP),)
COMP=gcc
endif
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 ($(COMP),clang)
comp=clang
CXX=clang++
CXXFLAGS += -pedantic -Wextra -Wshadow
ifeq ($(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=$(COMPCXX)
endif
### On mingw use Windows threads, otherwise POSIX
ifneq ($(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
### 3.2.1 Debugging
ifeq ($(debug),no)
CXXFLAGS += -DNDEBUG
else
CXXFLAGS += -g
endif
### 3.2.2 Debugging with undefined behavior sanitizers
ifeq ($(sanitize),yes)
CXXFLAGS += -g3 -fsanitize=undefined
LDFLAGS += -fsanitize=undefined
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
@rm -f .depend *~ core
# clean binaries and objects
objclean:
@rm -f $(EXE) $(EXE).exe *.o ./syzygy/*.o
# clean auxiliary profiling files
profileclean:
@rm -rf profdir
@rm -f bench.txt *.gcda ./syzygy/*.gcda *.gcno ./syzygy/*.gcno
@rm -f stockfish.profdata *.profraw
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: $(LDFLAGS)"
@echo ""
@echo "Testing config sanity. If this fails, try 'make help' ..."
@echo ""
@test "$(debug)" = "yes" || test "$(debug)" = "no"
@test "$(sanitize)" = "yes" || 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"
$(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