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# Stockfish, a UCI chess playing engine derived from Glaurung 2.1
# Copyright (C) 2004-2025 The Stockfish developers (see AUTHORS file)
#
# 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 := $(shell uname -o)
endif
### Target Windows OS
ifeq ($(OS),Windows_NT)
ifneq ($(COMP),ndk)
target_windows = yes
endif
else ifeq ($(COMP),mingw)
target_windows = yes
ifeq ($(WINE_PATH),)
WINE_PATH := $(shell which wine)
endif
endif
### Executable name
ifeq ($(target_windows),yes)
EXE = stockfish.exe
else
EXE = stockfish
endif
### Installation dir definitions
PREFIX = /usr/local
BINDIR = $(PREFIX)/bin
### Built-in benchmark for pgo-builds
PGOBENCH = $(WINE_PATH) ./$(EXE) bench
### Source and object files
SRCS = benchmark.cpp bitboard.cpp evaluate.cpp main.cpp \
misc.cpp movegen.cpp movepick.cpp position.cpp \
search.cpp thread.cpp timeman.cpp tt.cpp uci.cpp ucioption.cpp tune.cpp syzygy/tbprobe.cpp \
nnue/nnue_misc.cpp nnue/features/half_ka_v2_hm.cpp nnue/network.cpp engine.cpp score.cpp memory.cpp
HEADERS = benchmark.h bitboard.h evaluate.h misc.h movegen.h movepick.h history.h \
nnue/nnue_misc.h nnue/features/half_ka_v2_hm.h nnue/layers/affine_transform.h \
nnue/layers/affine_transform_sparse_input.h nnue/layers/clipped_relu.h nnue/layers/simd.h \
nnue/layers/sqr_clipped_relu.h nnue/nnue_accumulator.h nnue/nnue_architecture.h \
nnue/nnue_common.h nnue/nnue_feature_transformer.h position.h \
search.h syzygy/tbprobe.h thread.h thread_win32_osx.h timeman.h \
tt.h tune.h types.h uci.h ucioption.h perft.h nnue/network.h engine.h score.h numa.h memory.h
OBJS = $(notdir $(SRCS:.cpp=.o))
VPATH = syzygy:nnue:nnue/features
### ==========================================================================
### Section 2. High-level Configuration
### ==========================================================================
#
# flag --- Comp switch --- Description
# ----------------------------------------------------------------------------
#
# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
# sanitize = none/<sanitizer> ... (-fsanitize )
# --- ( undefined ) --- enable undefined behavior checks
# --- ( thread ) --- enable threading error checks
# --- ( address ) --- enable memory access checks
# --- ...etc... --- see compiler documentation for supported sanitizers
# 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
# pext = yes/no --- -DUSE_PEXT --- Use pext x86_64 asm-instruction
# sse = yes/no --- -msse --- Use Intel Streaming SIMD Extensions
# mmx = yes/no --- -mmmx --- Use Intel MMX instructions
# sse2 = yes/no --- -msse2 --- Use Intel Streaming SIMD Extensions 2
# ssse3 = yes/no --- -mssse3 --- Use Intel Supplemental Streaming SIMD Extensions 3
# sse41 = yes/no --- -msse4.1 --- Use Intel Streaming SIMD Extensions 4.1
# avx2 = yes/no --- -mavx2 --- Use Intel Advanced Vector Extensions 2
# avxvnni = yes/no --- -mavxvnni --- Use Intel Vector Neural Network Instructions AVX
# avx512 = yes/no --- -mavx512bw --- Use Intel Advanced Vector Extensions 512
# vnni256 = yes/no --- -mavx256vnni --- Use Intel Vector Neural Network Instructions 512 with 256bit operands
# vnni512 = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 512
# altivec = yes/no --- -maltivec --- Use PowerPC Altivec SIMD extension
# vsx = yes/no --- -mvsx --- Use POWER VSX SIMD extension
# neon = yes/no --- -DUSE_NEON --- Use ARM SIMD architecture
# dotprod = yes/no --- -DUSE_NEON_DOTPROD --- Use ARM advanced SIMD Int8 dot product instructions
# lsx = yes/no --- -mlsx --- Use Loongson SIMD eXtension
# lasx = yes/no --- -mlasx --- use Loongson Advanced SIMD eXtension
#
# 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.
#
# Example of use for these flags:
# make build ARCH=x86-64-avx512 debug=yes sanitize="address undefined"
### 2.1. General and architecture defaults
ifeq ($(ARCH),)
ARCH = native
endif
ifeq ($(ARCH), native)
override ARCH := $(shell $(SHELL) ../scripts/get_native_properties.sh | cut -d " " -f 1)
endif
# explicitly check for the list of supported architectures (as listed with make help),
# the user can override with `make ARCH=x86-32-vnni256 SUPPORTED_ARCH=true`
ifeq ($(ARCH), $(filter $(ARCH), \
x86-64-vnni512 x86-64-vnni256 x86-64-avx512 x86-64-avxvnni x86-64-bmi2 \
x86-64-avx2 x86-64-sse41-popcnt x86-64-modern x86-64-ssse3 x86-64-sse3-popcnt \
x86-64 x86-32-sse41-popcnt x86-32-sse2 x86-32 ppc-64 ppc-64-altivec ppc-64-vsx ppc-32 e2k \
armv7 armv7-neon armv8 armv8-dotprod apple-silicon general-64 general-32 riscv64 \
loongarch64 loongarch64-lsx loongarch64-lasx))
SUPPORTED_ARCH=true
else
SUPPORTED_ARCH=false
endif
optimize = yes
debug = no
sanitize = none
bits = 64
prefetch = no
popcnt = no
pext = no
sse = no
mmx = no
sse2 = no
ssse3 = no
sse41 = no
avx2 = no
avxvnni = no
avx512 = no
vnni256 = no
vnni512 = no
altivec = no
vsx = no
neon = no
dotprod = no
arm_version = 0
lsx = no
lasx = no
STRIP = strip
ifneq ($(shell which clang-format-18 2> /dev/null),)
CLANG-FORMAT = clang-format-18
else
CLANG-FORMAT = clang-format
endif
### 2.2 Architecture specific
ifeq ($(findstring x86,$(ARCH)),x86)
# x86-32/64
ifeq ($(findstring x86-32,$(ARCH)),x86-32)
arch = i386
bits = 32
sse = no
mmx = yes
else
arch = x86_64
sse = yes
sse2 = yes
endif
ifeq ($(findstring -sse,$(ARCH)),-sse)
sse = yes
endif
ifeq ($(findstring -popcnt,$(ARCH)),-popcnt)
popcnt = yes
endif
ifeq ($(findstring -mmx,$(ARCH)),-mmx)
mmx = yes
endif
ifeq ($(findstring -sse2,$(ARCH)),-sse2)
sse = yes
sse2 = yes
endif
ifeq ($(findstring -ssse3,$(ARCH)),-ssse3)
sse = yes
sse2 = yes
ssse3 = yes
endif
ifeq ($(findstring -sse41,$(ARCH)),-sse41)
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
endif
ifeq ($(findstring -modern,$(ARCH)),-modern)
$(warning *** ARCH=$(ARCH) is deprecated, defaulting to ARCH=x86-64-sse41-popcnt. Execute `make help` for a list of available architectures. ***)
$(shell sleep 5)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
endif
ifeq ($(findstring -avx2,$(ARCH)),-avx2)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
endif
ifeq ($(findstring -avxvnni,$(ARCH)),-avxvnni)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
avxvnni = yes
pext = yes
endif
ifeq ($(findstring -bmi2,$(ARCH)),-bmi2)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
endif
ifeq ($(findstring -avx512,$(ARCH)),-avx512)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
avx512 = yes
endif
ifeq ($(findstring -vnni256,$(ARCH)),-vnni256)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
vnni256 = yes
endif
ifeq ($(findstring -vnni512,$(ARCH)),-vnni512)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
avx512 = yes
vnni512 = yes
endif
ifeq ($(sse),yes)
prefetch = yes
endif
# 64-bit pext is not available on x86-32
ifeq ($(bits),32)
pext = no
endif
else
# all other architectures
ifeq ($(ARCH),general-32)
arch = any
bits = 32
endif
ifeq ($(ARCH),general-64)
arch = any
endif
ifeq ($(ARCH),armv7)
arch = armv7
prefetch = yes
bits = 32
arm_version = 7
endif
ifeq ($(ARCH),armv7-neon)
arch = armv7
prefetch = yes
popcnt = yes
neon = yes
bits = 32
arm_version = 7
endif
ifeq ($(ARCH),armv8)
arch = armv8
prefetch = yes
popcnt = yes
neon = yes
arm_version = 8
endif
ifeq ($(ARCH),armv8-dotprod)
arch = armv8
prefetch = yes
popcnt = yes
neon = yes
dotprod = yes
arm_version = 8
endif
ifeq ($(ARCH),apple-silicon)
arch = arm64
prefetch = yes
popcnt = yes
neon = yes
dotprod = yes
arm_version = 8
endif
ifeq ($(ARCH),ppc-32)
arch = ppc
bits = 32
endif
ifeq ($(ARCH),ppc-64)
arch = ppc64
popcnt = yes
prefetch = yes
endif
ifeq ($(ARCH),ppc-64-altivec)
arch = ppc64
popcnt = yes
prefetch = yes
altivec = yes
endif
ifeq ($(ARCH),ppc-64-vsx)
arch = ppc64
popcnt = yes
prefetch = yes
vsx = yes
endif
ifeq ($(findstring e2k,$(ARCH)),e2k)
arch = e2k
mmx = yes
bits = 64
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
popcnt = yes
endif
ifeq ($(ARCH),riscv64)
arch = riscv64
endif
ifeq ($(findstring loongarch64,$(ARCH)),loongarch64)
arch = loongarch64
prefetch = yes
ifeq ($(findstring -lasx,$(ARCH)),-lasx)
lsx = yes
lasx = yes
endif
ifeq ($(findstring -lsx,$(ARCH)),-lsx)
lsx = yes
endif
endif
endif
### ==========================================================================
### Section 3. Low-level Configuration
### ==========================================================================
### 3.1 Selecting compiler (default = gcc)
ifeq ($(MAKELEVEL),0)
export ENV_CXXFLAGS := $(CXXFLAGS)
export ENV_DEPENDFLAGS := $(DEPENDFLAGS)
export ENV_LDFLAGS := $(LDFLAGS)
endif
CXXFLAGS = $(ENV_CXXFLAGS) -Wall -Wcast-qual -fno-exceptions -std=c++17 $(EXTRACXXFLAGS)
DEPENDFLAGS = $(ENV_DEPENDFLAGS) -std=c++17
LDFLAGS = $(ENV_LDFLAGS) $(EXTRALDFLAGS)
ifeq ($(COMP),)
COMP=gcc
endif
ifeq ($(COMP),gcc)
comp=gcc
CXX=g++
CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-declarations
ifeq ($(arch),$(filter $(arch),armv7 armv8 riscv64))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
ifeq ($(ARCH),riscv64)
CXXFLAGS += -latomic
endif
else ifeq ($(arch),loongarch64)
CXXFLAGS += -latomic
else
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
ifeq ($(arch),$(filter $(arch),armv7))
LDFLAGS += -latomic
endif
ifneq ($(KERNEL),Darwin)
LDFLAGS += -Wl,--no-as-needed
endif
endif
ifeq ($(target_windows),yes)
LDFLAGS += -static
endif
ifeq ($(COMP),mingw)
comp=mingw
ifeq ($(bits),64)
ifeq ($(shell which x86_64-w64-mingw32-c++-posix 2> /dev/null),)
CXX=x86_64-w64-mingw32-c++
else
CXX=x86_64-w64-mingw32-c++-posix
endif
else
ifeq ($(shell which i686-w64-mingw32-c++-posix 2> /dev/null),)
CXX=i686-w64-mingw32-c++
else
CXX=i686-w64-mingw32-c++-posix
endif
endif
CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-declarations
endif
ifeq ($(COMP),icx)
comp=icx
CXX=icpx
CXXFLAGS += --intel -pedantic -Wextra -Wshadow -Wmissing-prototypes \
-Wconditional-uninitialized -Wabi -Wdeprecated
endif
ifeq ($(COMP),clang)
comp=clang
CXX=clang++
ifeq ($(target_windows),yes)
CXX=x86_64-w64-mingw32-clang++
endif
CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-prototypes \
-Wconditional-uninitialized
ifeq ($(filter $(KERNEL),Darwin OpenBSD FreeBSD),)
ifeq ($(target_windows),)
ifneq ($(RTLIB),compiler-rt)
LDFLAGS += -latomic
endif
endif
endif
ifeq ($(arch),$(filter $(arch),armv7 armv8 riscv64))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
ifeq ($(ARCH),riscv64)
CXXFLAGS += -latomic
endif
else ifeq ($(arch),loongarch64)
CXXFLAGS += -latomic
else
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
endif
ifeq ($(KERNEL),Darwin)
CXXFLAGS += -mmacosx-version-min=10.15
LDFLAGS += -mmacosx-version-min=10.15
ifneq ($(arch),any)
CXXFLAGS += -arch $(arch)
LDFLAGS += -arch $(arch)
endif
XCRUN = xcrun
endif
# To cross-compile for Android, NDK version r21 or later is recommended.
# In earlier NDK versions, you'll need to pass -fno-addrsig if using GNU binutils.
# Currently we don't know how to make PGO builds with the NDK yet.
ifeq ($(COMP),ndk)
CXXFLAGS += -stdlib=libc++ -fPIE
comp=clang
ifeq ($(arch),armv7)
CXX=armv7a-linux-androideabi16-clang++
CXXFLAGS += -mthumb -march=armv7-a -mfloat-abi=softfp -mfpu=neon
ifneq ($(shell which arm-linux-androideabi-strip 2>/dev/null),)
STRIP=arm-linux-androideabi-strip
else
STRIP=llvm-strip
endif
endif
ifeq ($(arch),armv8)
CXX=aarch64-linux-android21-clang++
ifneq ($(shell which aarch64-linux-android-strip 2>/dev/null),)
STRIP=aarch64-linux-android-strip
else
STRIP=llvm-strip
endif
endif
ifeq ($(arch),x86_64)
CXX=x86_64-linux-android21-clang++
ifneq ($(shell which x86_64-linux-android-strip 2>/dev/null),)
STRIP=x86_64-linux-android-strip
else
STRIP=llvm-strip
endif
endif
LDFLAGS += -static-libstdc++ -pie -lm -latomic
endif
ifeq ($(comp),icx)
profile_make = icx-profile-make
profile_use = icx-profile-use
else ifeq ($(comp),clang)
profile_make = clang-profile-make
profile_use = clang-profile-use
else
profile_make = gcc-profile-make
profile_use = gcc-profile-use
ifeq ($(KERNEL),Darwin)
EXTRAPROFILEFLAGS = -fvisibility=hidden
endif
endif
### Allow overwriting CXX from command line
ifdef COMPCXX
CXX=$(COMPCXX)
endif
### Sometimes gcc is really clang
ifeq ($(COMP),gcc)
gccversion := $(shell $(CXX) --version 2>/dev/null)
gccisclang := $(findstring clang,$(gccversion))
ifneq ($(gccisclang),)
profile_make = clang-profile-make
profile_use = clang-profile-use
endif
endif
### On mingw use Windows threads, otherwise POSIX
ifneq ($(comp),mingw)
CXXFLAGS += -DUSE_PTHREADS
# 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)
ifneq ($(COMP),ndk)
LDFLAGS += -lpthread
endif
endif
endif
endif
### 3.2.1 Debugging
ifeq ($(debug),no)
CXXFLAGS += -DNDEBUG
else
CXXFLAGS += -g
endif
### 3.2.2 Debugging with undefined behavior sanitizers
ifneq ($(sanitize),none)
CXXFLAGS += -g3 $(addprefix -fsanitize=,$(sanitize))
LDFLAGS += $(addprefix -fsanitize=,$(sanitize))
endif
### 3.3 Optimization
ifeq ($(optimize),yes)
CXXFLAGS += -O3 -funroll-loops
ifeq ($(comp),gcc)
ifeq ($(OS), Android)
CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
endif
endif
ifeq ($(KERNEL),Darwin)
ifeq ($(comp),$(filter $(comp),clang icx))
CXXFLAGS += -mdynamic-no-pic
endif
ifeq ($(comp),gcc)
ifneq ($(arch),arm64)
CXXFLAGS += -mdynamic-no-pic
endif
endif
endif
ifeq ($(comp),clang)
clangmajorversion := $(shell $(CXX) -dumpversion 2>/dev/null | cut -f1 -d.)
ifeq ($(shell expr $(clangmajorversion) \< 16),1)
CXXFLAGS += -fexperimental-new-pass-manager
endif
endif
endif
### 3.4 Bits
ifeq ($(bits),64)
CXXFLAGS += -DIS_64BIT
endif
### 3.5 prefetch and popcount
ifeq ($(prefetch),yes)
ifeq ($(sse),yes)
CXXFLAGS += -msse
endif
else
CXXFLAGS += -DNO_PREFETCH
endif
ifeq ($(popcnt),yes)
ifeq ($(arch),$(filter $(arch),ppc64 ppc64-altivec ppc64-vsx armv7 armv8 arm64))
CXXFLAGS += -DUSE_POPCNT
else
CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT
endif
endif
### 3.6 SIMD architectures
ifeq ($(avx2),yes)
CXXFLAGS += -DUSE_AVX2
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mavx2 -mbmi
endif
endif
ifeq ($(avxvnni),yes)
CXXFLAGS += -DUSE_VNNI -DUSE_AVXVNNI
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mavxvnni
endif
endif
ifeq ($(avx512),yes)
CXXFLAGS += -DUSE_AVX512
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mavx512f -mavx512bw
endif
endif
ifeq ($(vnni256),yes)
CXXFLAGS += -DUSE_VNNI
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mavx512f -mavx512bw -mavx512vnni -mavx512dq -mavx512vl -mprefer-vector-width=256
endif
endif
ifeq ($(vnni512),yes)
CXXFLAGS += -DUSE_VNNI
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mavx512f -mavx512bw -mavx512vnni -mavx512dq -mavx512vl -mprefer-vector-width=512
endif
endif
ifeq ($(sse41),yes)
CXXFLAGS += -DUSE_SSE41
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -msse4.1
endif
endif
ifeq ($(ssse3),yes)
CXXFLAGS += -DUSE_SSSE3
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mssse3
endif
endif
ifeq ($(sse2),yes)
CXXFLAGS += -DUSE_SSE2
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -msse2
endif
endif
ifeq ($(mmx),yes)
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mmmx
endif
endif
ifeq ($(altivec),yes)
CXXFLAGS += -maltivec
ifeq ($(COMP),gcc)
CXXFLAGS += -mabi=altivec
endif
endif
ifeq ($(vsx),yes)
CXXFLAGS += -mvsx
ifeq ($(COMP),gcc)
CXXFLAGS += -DNO_WARN_X86_INTRINSICS -DUSE_SSE2
endif
endif
ifeq ($(neon),yes)
CXXFLAGS += -DUSE_NEON=$(arm_version)
ifeq ($(KERNEL),Linux)
ifneq ($(COMP),ndk)
ifneq ($(arch),armv8)
CXXFLAGS += -mfpu=neon
endif
endif
endif
endif
ifeq ($(dotprod),yes)
CXXFLAGS += -march=armv8.2-a+dotprod -DUSE_NEON_DOTPROD
endif
ifeq ($(lasx),yes)
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mlasx
endif
endif
ifeq ($(lsx),yes)
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mlsx
endif
endif
### 3.7 pext
ifeq ($(pext),yes)
CXXFLAGS += -DUSE_PEXT
ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
CXXFLAGS += -mbmi2
endif
endif
### 3.8.1 Try to include git commit sha for versioning
GIT_SHA := $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8)
ifneq ($(GIT_SHA), )
CXXFLAGS += -DGIT_SHA=$(GIT_SHA)
endif
### 3.8.2 Try to include git commit date for versioning
GIT_DATE := $(shell git show -s --date=format:'%Y%m%d' --format=%cd HEAD 2>/dev/null)
ifneq ($(GIT_DATE), )
CXXFLAGS += -DGIT_DATE=$(GIT_DATE)
endif
### 3.8.3 Try to include architecture
ifneq ($(ARCH), )
CXXFLAGS += -DARCH=$(ARCH)
endif
### 3.9 Link Time Optimization
### This is a mix of compile and link time options because the lto link phase
### needs access to the optimization flags.
ifeq ($(optimize),yes)
ifeq ($(debug), no)
ifeq ($(comp),$(filter $(comp),clang icx))
CXXFLAGS += -flto=full
ifeq ($(comp),icx)
CXXFLAGS += -fwhole-program-vtables
endif
ifeq ($(target_windows),yes)
CXXFLAGS += -fuse-ld=lld
endif
LDFLAGS += $(CXXFLAGS)
# GCC and CLANG use different methods for parallelizing LTO and CLANG pretends to be
# GCC on some systems.
else ifeq ($(comp),gcc)
ifeq ($(gccisclang),)
CXXFLAGS += -flto -flto-partition=one
LDFLAGS += $(CXXFLAGS) -flto=jobserver
else
CXXFLAGS += -flto=full
LDFLAGS += $(CXXFLAGS)
endif
# To use LTO and static linking on Windows,
# the tool chain requires gcc version 10.1 or later.
else ifeq ($(comp),mingw)
CXXFLAGS += -flto -flto-partition=one
LDFLAGS += $(CXXFLAGS) -save-temps
endif
endif
endif
### 3.10 Android 5 can only run position independent executables. Note that this
### breaks Android 4.0 and earlier.
ifeq ($(OS), Android)
CXXFLAGS += -fPIE
LDFLAGS += -fPIE -pie
endif
### ==========================================================================
### Section 4. Public Targets
### ==========================================================================
help:
@echo "" && \
echo "To compile stockfish, type: " && \
echo "" && \
echo "make -j target [ARCH=arch] [COMP=compiler] [COMPCXX=cxx]" && \
echo "" && \
echo "Supported targets:" && \
echo "" && \
echo "help > Display architecture details" && \
echo "profile-build > standard build with profile-guided optimization" && \
echo "build > skip profile-guided optimization" && \
echo "net > Download the default nnue nets" && \
echo "strip > Strip executable" && \
echo "install > Install executable" && \
echo "clean > Clean up" && \
echo "" && \
echo "Supported archs:" && \
echo "" && \
echo "native > select the best architecture for the host processor (default)" && \
echo "x86-64-vnni512 > x86 64-bit with vnni 512bit support" && \
echo "x86-64-vnni256 > x86 64-bit with vnni 512bit support, limit operands to 256bit wide" && \
echo "x86-64-avx512 > x86 64-bit with avx512 support" && \
echo "x86-64-avxvnni > x86 64-bit with vnni 256bit support" && \
echo "x86-64-bmi2 > x86 64-bit with bmi2 support" && \
echo "x86-64-avx2 > x86 64-bit with avx2 support" && \
echo "x86-64-sse41-popcnt > x86 64-bit with sse41 and popcnt support" && \
echo "x86-64-modern > deprecated, currently x86-64-sse41-popcnt" && \
echo "x86-64-ssse3 > x86 64-bit with ssse3 support" && \
echo "x86-64-sse3-popcnt > x86 64-bit with sse3 compile and popcnt support" && \
echo "x86-64 > x86 64-bit generic (with sse2 support)" && \
echo "x86-32-sse41-popcnt > x86 32-bit with sse41 and popcnt support" && \
echo "x86-32-sse2 > x86 32-bit with sse2 support" && \
echo "x86-32 > x86 32-bit generic (with mmx compile support)" && \
echo "ppc-64 > PPC 64-bit" && \
echo "ppc-64-altivec > PPC 64-bit with altivec support" && \
echo "ppc-64-vsx > PPC 64-bit with vsx support" && \
echo "ppc-32 > PPC 32-bit" && \
echo "armv7 > ARMv7 32-bit" && \
echo "armv7-neon > ARMv7 32-bit with popcnt and neon" && \
echo "armv8 > ARMv8 64-bit with popcnt and neon" && \
echo "armv8-dotprod > ARMv8 64-bit with popcnt, neon and dot product support" && \
echo "e2k > Elbrus 2000" && \
echo "apple-silicon > Apple silicon ARM64" && \
echo "general-64 > unspecified 64-bit" && \
echo "general-32 > unspecified 32-bit" && \
echo "riscv64 > RISC-V 64-bit" && \
echo "loongarch64 > LoongArch 64-bit" && \
echo "loongarch64-lsx > LoongArch 64-bit with SIMD eXtension" && \
echo "loongarch64-lasx > LoongArch 64-bit with Advanced SIMD eXtension" && \
echo "" && \
echo "Supported compilers:" && \
echo "" && \
echo "gcc > GNU compiler (default)" && \
echo "mingw > GNU compiler with MinGW under Windows" && \
echo "clang > LLVM Clang compiler" && \
echo "icx > Intel oneAPI DPC++/C++ Compiler" && \
echo "ndk > Google NDK to cross-compile for Android" && \
echo "" && \
echo "Simple examples. If you don't know what to do, you likely want to run one of: " && \
echo "" && \
echo "make -j profile-build ARCH=x86-64-avx2 # typically a fast compile for common systems " && \
echo "make -j profile-build ARCH=x86-64-sse41-popcnt # A more portable compile for 64-bit systems " && \
echo "make -j profile-build ARCH=x86-64 # A portable compile for 64-bit systems " && \
echo "" && \
echo "Advanced examples, for experienced users: " && \
echo "" && \
echo "make -j profile-build ARCH=x86-64-avxvnni" && \
echo "make -j profile-build ARCH=x86-64-avxvnni COMP=gcc COMPCXX=g++-12.0" && \
echo "make -j build ARCH=x86-64-ssse3 COMP=clang" && \
echo ""
ifneq ($(SUPPORTED_ARCH), true)
@echo "Specify a supported architecture with the ARCH option for more details"
@echo ""
endif
.PHONY: help analyze build profile-build strip install clean net \
objclean profileclean config-sanity \
icx-profile-use icx-profile-make \
gcc-profile-use gcc-profile-make \
clang-profile-use clang-profile-make FORCE \
format analyze
analyze: net config-sanity objclean
$(MAKE) -k ARCH=$(ARCH) COMP=$(COMP) $(OBJS)
build: net config-sanity
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
profile-build: net 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) > PGOBENCH.out 2>&1
tail -n 4 PGOBENCH.out
@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 stockfish stockfish.exe *.o ./syzygy/*.o ./nnue/*.o ./nnue/features/*.o
# clean auxiliary profiling files
profileclean:
@rm -rf profdir
@rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s PGOBENCH.out
@rm -f stockfish.profdata *.profraw
@rm -f stockfish.*args*
@rm -f stockfish.*lt*
@rm -f stockfish.res
@rm -f ./-lstdc++.res
# evaluation network (nnue)
net:
@$(SHELL) ../scripts/net.sh
format:
$(CLANG-FORMAT) -i $(SRCS) $(HEADERS) -style=file
# default target
default:
help
### ==========================================================================
### Section 5. Private Targets
### ==========================================================================
all: $(EXE) .depend
config-sanity: net
@echo ""
@echo "Config:" && \
echo "debug: '$(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 "pext: '$(pext)'" && \
echo "sse: '$(sse)'" && \
echo "mmx: '$(mmx)'" && \
echo "sse2: '$(sse2)'" && \
echo "ssse3: '$(ssse3)'" && \
echo "sse41: '$(sse41)'" && \
echo "avx2: '$(avx2)'" && \
echo "avxvnni: '$(avxvnni)'" && \
echo "avx512: '$(avx512)'" && \
echo "vnni256: '$(vnni256)'" && \
echo "vnni512: '$(vnni512)'" && \
echo "altivec: '$(altivec)'" && \
echo "vsx: '$(vsx)'" && \
echo "neon: '$(neon)'" && \
echo "dotprod: '$(dotprod)'" && \
echo "arm_version: '$(arm_version)'" && \
echo "lsx: '$(lsx)'" && \
echo "lasx: '$(lasx)'" && \
echo "target_windows: '$(target_windows)'" && \
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 "$(debug)" = "no") && \
(test "$(optimize)" = "yes" || test "$(optimize)" = "no") && \
(test "$(SUPPORTED_ARCH)" = "true") && \
(test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "e2k" || \
test "$(arch)" = "armv7" || test "$(arch)" = "armv8" || test "$(arch)" = "arm64" || \
test "$(arch)" = "riscv64" || test "$(arch)" = "loongarch64") && \
(test "$(bits)" = "32" || test "$(bits)" = "64") && \
(test "$(prefetch)" = "yes" || test "$(prefetch)" = "no") && \
(test "$(popcnt)" = "yes" || test "$(popcnt)" = "no") && \
(test "$(pext)" = "yes" || test "$(pext)" = "no") && \
(test "$(sse)" = "yes" || test "$(sse)" = "no") && \
(test "$(mmx)" = "yes" || test "$(mmx)" = "no") && \
(test "$(sse2)" = "yes" || test "$(sse2)" = "no") && \
(test "$(ssse3)" = "yes" || test "$(ssse3)" = "no") && \
(test "$(sse41)" = "yes" || test "$(sse41)" = "no") && \
(test "$(avx2)" = "yes" || test "$(avx2)" = "no") && \
(test "$(avx512)" = "yes" || test "$(avx512)" = "no") && \
(test "$(vnni256)" = "yes" || test "$(vnni256)" = "no") && \
(test "$(vnni512)" = "yes" || test "$(vnni512)" = "no") && \
(test "$(altivec)" = "yes" || test "$(altivec)" = "no") && \
(test "$(vsx)" = "yes" || test "$(vsx)" = "no") && \
(test "$(neon)" = "yes" || test "$(neon)" = "no") && \
(test "$(lsx)" = "yes" || test "$(lsx)" = "no") && \
(test "$(lasx)" = "yes" || test "$(lasx)" = "no") && \
(test "$(comp)" = "gcc" || test "$(comp)" = "icx" || test "$(comp)" = "mingw" || \
test "$(comp)" = "clang" || test "$(comp)" = "armv7a-linux-androideabi16-clang" || \
test "$(comp)" = "aarch64-linux-android21-clang")
$(EXE): $(OBJS)
+$(CXX) -o $@ $(OBJS) $(LDFLAGS)
# Force recompilation to ensure version info is up-to-date
misc.o: FORCE
FORCE:
clang-profile-make:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-generate ' \
EXTRALDFLAGS=' -fprofile-generate' \
all
clang-profile-use:
$(XCRUN) llvm-profdata merge -output=stockfish.profdata *.profraw
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-use=stockfish.profdata' \
EXTRALDFLAGS='-fprofile-use ' \
all
gcc-profile-make:
@mkdir -p profdir
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-generate=profdir' \
EXTRACXXFLAGS+=$(EXTRAPROFILEFLAGS) \
EXTRALDFLAGS='-lgcov' \
all
gcc-profile-use:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-use=profdir -fno-peel-loops -fno-tracer' \
EXTRACXXFLAGS+=$(EXTRAPROFILEFLAGS) \
EXTRALDFLAGS='-lgcov' \
all
icx-profile-make:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-instr-generate ' \
EXTRALDFLAGS=' -fprofile-instr-generate' \
all
icx-profile-use:
$(XCRUN) llvm-profdata merge -output=stockfish.profdata *.profraw
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-instr-use=stockfish.profdata' \
EXTRALDFLAGS='-fprofile-use ' \
all
.depend: $(SRCS)
-@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
ifeq (, $(filter $(MAKECMDGOALS), help strip install clean net objclean profileclean config-sanity))
-include .depend
endif
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