# 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
+# Copyright (C) 2004-2022 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
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 = $(shell which wine)
+ endif
+endif
+
### Executable name
-EXE = stockfish
+ifeq ($(target_windows),yes)
+ EXE = stockfish.exe
+else
+ EXE = stockfish
+endif
### Installation dir definitions
PREFIX = /usr/local
BINDIR = $(PREFIX)/bin
### Built-in benchmark for pgo-builds
-PGOBENCH = ./$(EXE) bench
+ifeq ($(SDE_PATH),)
+ PGOBENCH = $(WINE_PATH) ./$(EXE) bench
+else
+ PGOBENCH = $(SDE_PATH) -- $(WINE_PATH) ./$(EXE) bench
+endif
-### 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
+### Source and object files
+SRCS = benchmark.cpp bitbase.cpp bitboard.cpp endgame.cpp evaluate.cpp main.cpp \
+ material.cpp misc.cpp movegen.cpp movepick.cpp pawns.cpp position.cpp psqt.cpp \
+ search.cpp thread.cpp timeman.cpp tt.cpp uci.cpp ucioption.cpp tune.cpp syzygy/tbprobe.cpp \
+ nnue/evaluate_nnue.cpp nnue/features/half_ka_v2_hm.cpp
+
+OBJS = $(notdir $(SRCS:.cpp=.o))
+
+VPATH = syzygy:nnue:nnue/features
### ==========================================================================
### Section 2. High-level Configuration
### ==========================================================================
#
-# flag --- Comp switch --- Description
+# flag --- Comp switch --- Description
# ----------------------------------------------------------------------------
#
# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
-# sanitize = undefined/thread/no (-fsanitize )
+# sanitize = none/<sanitizer> ... (-fsanitize )
# --- ( undefined ) --- enable undefined behavior checks
-# --- ( thread ) --- enable threading error 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
-# sse = yes/no --- -msse --- Use Intel Streaming SIMD Extensions
# 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 --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 256
+# vnni512 = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 512
+# neon = yes/no --- -DUSE_NEON --- Use ARM SIMD architecture
#
# 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 = x86-64-modern
+ help_skip_sanity = yes
+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 $(ARCH), \
+ x86-64-vnni512 x86-64-vnni256 x86-64-avx512 x86-64-avxvnni x86-64-bmi2 \
+ x86-64-avx2 x86-64-sse41-popcnt x86-64-modern x86-64-ssse3 x86-64-sse3-popcnt \
+ x86-64 x86-32-sse41-popcnt x86-32-sse2 x86-32 ppc-64 ppc-32 e2k \
+ armv7 armv7-neon armv8 apple-silicon general-64 general-32))
+ SUPPORTED_ARCH=true
+else
+ SUPPORTED_ARCH=false
+endif
+
optimize = yes
debug = no
-sanitize = no
-bits = 32
+sanitize = none
+bits = 64
prefetch = no
popcnt = no
-sse = no
pext = no
+sse = no
+mmx = no
+sse2 = no
+ssse3 = no
+sse41 = no
+avx2 = no
+avxvnni = no
+avx512 = no
+vnni256 = no
+vnni512 = no
+neon = no
+arm_version = 0
+STRIP = strip
### 2.2 Architecture specific
-ifeq ($(ARCH),general-32)
- arch = any
-endif
+ifeq ($(findstring x86,$(ARCH)),x86)
+
+# x86-32/64
-ifeq ($(ARCH),x86-32-old)
+ifeq ($(findstring x86-32,$(ARCH)),x86-32)
arch = i386
+ bits = 32
+ sse = no
+ mmx = yes
+else
+ arch = x86_64
+ sse = yes
+ sse2 = yes
endif
-ifeq ($(ARCH),x86-32)
- arch = i386
- prefetch = yes
+ifeq ($(findstring -sse,$(ARCH)),-sse)
sse = yes
endif
-ifeq ($(ARCH),general-64)
- arch = any
- bits = 64
+ifeq ($(findstring -popcnt,$(ARCH)),-popcnt)
+ popcnt = yes
endif
-ifeq ($(ARCH),x86-64)
- arch = x86_64
- bits = 64
- prefetch = yes
+ifeq ($(findstring -mmx,$(ARCH)),-mmx)
+ mmx = yes
+endif
+
+ifeq ($(findstring -sse2,$(ARCH)),-sse2)
sse = yes
+ sse2 = yes
endif
-ifeq ($(ARCH),x86-64-modern)
- arch = x86_64
- bits = 64
- prefetch = yes
+ifeq ($(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,$(ARCH)),-modern)
popcnt = yes
sse = yes
+ sse2 = yes
+ ssse3 = yes
+ sse41 = yes
endif
-ifeq ($(ARCH),x86-64-bmi2)
- arch = x86_64
- bits = 64
- prefetch = yes
+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),apple-silicon)
+ arch = arm64
+ prefetch = yes
+ popcnt = yes
+ neon = 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 ($(findstring e2k,$(ARCH)),e2k)
+ arch = e2k
+ mmx = yes
bits = 64
+ sse = yes
+ sse2 = yes
+ ssse3 = yes
+ sse41 = yes
+ popcnt = yes
endif
+endif
### ==========================================================================
-### Section 3. Low-level configuration
+### Section 3. Low-level Configuration
### ==========================================================================
### 3.1 Selecting compiler (default = gcc)
-
-CXXFLAGS += -Wall -Wcast-qual -std=c++11 $(EXTRACXXFLAGS)
-DEPENDFLAGS += -std=c++11
+CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -std=c++17 $(EXTRACXXFLAGS)
+DEPENDFLAGS += -std=c++17
LDFLAGS += $(EXTRALDFLAGS)
ifeq ($(COMP),)
CXX=g++
CXXFLAGS += -pedantic -Wextra -Wshadow
- ifeq ($(ARCH),armv7)
+ ifeq ($(arch),$(filter $(arch),armv7 armv8))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(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 ($(KERNEL),Linux)
- ifeq ($(bits),64)
- ifeq ($(shell which x86_64-w64-mingw32-c++-posix),)
- CXX=x86_64-w64-mingw32-c++
- else
- CXX=x86_64-w64-mingw32-c++-posix
- endif
+ ifeq ($(bits),64)
+ ifeq ($(shell which x86_64-w64-mingw32-c++-posix 2> /dev/null),)
+ CXX=x86_64-w64-mingw32-c++
else
- ifeq ($(shell which i686-w64-mingw32-c++-posix),)
- CXX=i686-w64-mingw32-c++
- else
- CXX=i686-w64-mingw32-c++-posix
- endif
+ CXX=x86_64-w64-mingw32-c++-posix
endif
else
- CXX=g++
+ ifeq ($(shell which i686-w64-mingw32-c++-posix 2> /dev/null),)
+ CXX=i686-w64-mingw32-c++
+ else
+ CXX=i686-w64-mingw32-c++-posix
+ endif
endif
-
- CXXFLAGS += -Wextra -Wshadow
- LDFLAGS += -static
+ CXXFLAGS += -pedantic -Wextra -Wshadow
endif
ifeq ($(COMP),icc)
ifeq ($(COMP),clang)
comp=clang
CXX=clang++
+ ifeq ($(target_windows),yes)
+ CXX=x86_64-w64-mingw32-clang++
+ endif
+
CXXFLAGS += -pedantic -Wextra -Wshadow
-ifneq ($(KERNEL),Darwin)
- LDFLAGS += -latomic
-endif
- ifeq ($(ARCH),armv7)
+ ifeq ($(filter $(KERNEL),Darwin OpenBSD FreeBSD),)
+ ifeq ($(target_windows),)
+ ifneq ($(RTLIB),compiler-rt)
+ LDFLAGS += -latomic
+ endif
+ endif
+ endif
+
+ ifeq ($(arch),$(filter $(arch),armv7 armv8))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
endif
+ifeq ($(KERNEL),Darwin)
+ CXXFLAGS += -mmacosx-version-min=10.14
+ LDFLAGS += -mmacosx-version-min=10.14
+ ifneq ($(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
+ LDFLAGS += -static-libstdc++ -pie -lm -latomic
+endif
+
ifeq ($(comp),icc)
profile_make = icc-profile-make
profile_use = icc-profile-use
-else
-ifeq ($(comp),clang)
+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 $(arch) -mmacosx-version-min=10.9
+ ifeq ($(KERNEL),Darwin)
+ EXTRAPROFILEFLAGS = -fvisibility=hidden
+ endif
endif
### Travis CI script uses COMPILER to overwrite CXX
CXX=$(COMPCXX)
endif
+### Sometimes gcc is really clang
+ifeq ($(COMP),gcc)
+ gccversion = $(shell $(CXX) --version)
+ 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)
- LDFLAGS += -lpthread
+ ifneq ($(COMP),ndk)
+ LDFLAGS += -lpthread
+ endif
endif
endif
endif
endif
### 3.2.2 Debugging with undefined behavior sanitizers
-ifneq ($(sanitize),no)
- CXXFLAGS += -g3 -fsanitize=$(sanitize) -fuse-ld=gold
- LDFLAGS += -fsanitize=$(sanitize) -fuse-ld=gold
+ifneq ($(sanitize),none)
+ CXXFLAGS += -g3 $(addprefix -fsanitize=,$(sanitize))
+ LDFLAGS += $(addprefix -fsanitize=,$(sanitize))
endif
### 3.3 Optimization
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 ($(KERNEL),Darwin)
- CXXFLAGS += -mdynamic-no-pic
- endif
- endif
+ ifeq ($(KERNEL),Darwin)
+ ifeq ($(comp),$(filter $(comp),clang icc))
+ CXXFLAGS += -mdynamic-no-pic
+ endif
+
+ ifeq ($(comp),gcc)
+ ifneq ($(arch),arm64)
+ CXXFLAGS += -mdynamic-no-pic
+ endif
+ endif
+ endif
ifeq ($(comp),clang)
- ifeq ($(KERNEL),Darwin)
- CXXFLAGS += -flto
- LDFLAGS += $(CXXFLAGS)
- ifeq ($(arch),i386)
- CXXFLAGS += -mdynamic-no-pic
- endif
- ifeq ($(arch),x86_64)
- CXXFLAGS += -mdynamic-no-pic
- endif
- endif
+ CXXFLAGS += -fexperimental-new-pass-manager
endif
endif
CXXFLAGS += -DIS_64BIT
endif
-### 3.5 prefetch
+### 3.5 prefetch and popcount
ifeq ($(prefetch),yes)
ifeq ($(sse),yes)
CXXFLAGS += -msse
- DEPENDFLAGS += -msse
endif
else
CXXFLAGS += -DNO_PREFETCH
endif
-### 3.6 popcnt
ifeq ($(popcnt),yes)
- ifeq ($(comp),icc)
+ ifeq ($(arch),$(filter $(arch),ppc64 armv7 armv8 arm64))
+ CXXFLAGS += -DUSE_POPCNT
+ else ifeq ($(comp),icc)
CXXFLAGS += -msse3 -DUSE_POPCNT
else
CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT
endif
endif
+### 3.6 SIMD architectures
+ifeq ($(avx2),yes)
+ CXXFLAGS += -DUSE_AVX2
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -mavx2
+ endif
+endif
+
+ifeq ($(avxvnni),yes)
+ CXXFLAGS += -DUSE_VNNI -DUSE_AVXVNNI
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -mavxvnni
+ endif
+endif
+
+ifeq ($(avx512),yes)
+ CXXFLAGS += -DUSE_AVX512
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -mavx512f -mavx512bw
+ endif
+endif
+
+ifeq ($(vnni256),yes)
+ CXXFLAGS += -DUSE_VNNI
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -mavx512f -mavx512bw -mavx512vnni -mavx512dq -mavx512vl -mprefer-vector-width=256
+ endif
+endif
+
+ifeq ($(vnni512),yes)
+ CXXFLAGS += -DUSE_VNNI
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -mavx512vnni -mavx512dq -mavx512vl
+ endif
+endif
+
+ifeq ($(sse41),yes)
+ CXXFLAGS += -DUSE_SSE41
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -msse4.1
+ endif
+endif
+
+ifeq ($(ssse3),yes)
+ CXXFLAGS += -DUSE_SSSE3
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -mssse3
+ endif
+endif
+
+ifeq ($(sse2),yes)
+ CXXFLAGS += -DUSE_SSE2
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -msse2
+ endif
+endif
+
+ifeq ($(mmx),yes)
+ CXXFLAGS += -DUSE_MMX
+ ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+ CXXFLAGS += -mmmx
+ endif
+endif
+
+ifeq ($(neon),yes)
+ CXXFLAGS += -DUSE_NEON=$(arm_version)
+ ifeq ($(KERNEL),Linux)
+ ifneq ($(COMP),ndk)
+ ifneq ($(arch),armv8)
+ CXXFLAGS += -mfpu=neon
+ endif
+ endif
+ endif
+endif
+
### 3.7 pext
ifeq ($(pext),yes)
CXXFLAGS += -DUSE_PEXT
endif
endif
-### 3.8 Link Time Optimization, it works since gcc 4.5 but not on mingw under Windows.
+### 3.8 Link Time Optimization
### This is a mix of compile and link time options because the lto link phase
### needs access to the optimization flags.
-ifeq ($(comp),gcc)
- ifeq ($(optimize),yes)
- ifeq ($(debug),no)
+ifeq ($(optimize),yes)
+ifeq ($(debug), no)
+ ifeq ($(comp),clang)
CXXFLAGS += -flto
+ ifeq ($(target_windows),yes)
+ CXXFLAGS += -fuse-ld=lld
+ endif
LDFLAGS += $(CXXFLAGS)
- endif
- endif
-endif
-ifeq ($(comp),mingw)
- ifeq ($(KERNEL),Linux)
- ifeq ($(optimize),yes)
- ifeq ($(debug),no)
+# GCC and CLANG use different methods for parallelizing LTO and CLANG pretends to be
+# GCC on some systems.
+ else ifeq ($(comp),gcc)
+ ifeq ($(gccisclang),)
+ CXXFLAGS += -flto
+ LDFLAGS += $(CXXFLAGS) -flto=jobserver
+ else
CXXFLAGS += -flto
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)
+ ifneq ($(arch),i386)
+ CXXFLAGS += -flto
+ LDFLAGS += $(CXXFLAGS) -save-temps
endif
endif
endif
+endif
### 3.9 Android 5 can only run position independent executables. Note that this
### breaks Android 4.0 and earlier.
LDFLAGS += -fPIE -pie
endif
-
### ==========================================================================
-### Section 4. Public targets
+### Section 4. Public Targets
### ==========================================================================
+
help:
@echo ""
@echo "To compile stockfish, type: "
@echo ""
@echo "Supported targets:"
@echo ""
+ @echo "help > Display architecture details"
@echo "build > Standard build"
- @echo "profile-build > PGO build"
+ @echo "net > Download the default nnue net"
+ @echo "profile-build > Faster build (with profile-guided optimization)"
@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 "x86-64-vnni512 > x86 64-bit with vnni support 512bit wide"
+ @echo "x86-64-vnni256 > x86 64-bit with vnni support 256bit wide"
+ @echo "x86-64-avx512 > x86 64-bit with avx512 support"
+ @echo "x86-64-avxvnni > x86 64-bit with avxvnni 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 > common modern CPU, 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 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 and sse support)"
@echo "ppc-64 > PPC 64-bit"
@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 "e2k > Elbrus 2000"
+ @echo "apple-silicon > Apple silicon ARM64"
@echo "general-64 > unspecified 64-bit"
@echo "general-32 > unspecified 32-bit"
@echo ""
@echo "mingw > Gnu compiler with MinGW under Windows"
@echo "clang > LLVM Clang compiler"
@echo "icc > Intel 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: "
@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 "make -j build ARCH=x86-64 (A portable, slow compile for 64-bit systems)"
+ @echo "make -j build ARCH=x86-32 (A portable, slow compile for 32-bit systems)"
@echo ""
- @echo "Advanced examples, for experienced users: "
+ @echo "Advanced examples, for experienced users looking for performance: "
@echo ""
- @echo "make build ARCH=x86-64 COMP=clang"
- @echo "make profile-build ARCH=x86-64-modern COMP=gcc COMPCXX=g++-4.8"
+ @echo "make help ARCH=x86-64-bmi2"
+ @echo "make -j profile-build ARCH=x86-64-bmi2 COMP=gcc COMPCXX=g++-9.0"
+ @echo "make -j build ARCH=x86-64-ssse3 COMP=clang"
@echo ""
+ @echo "-------------------------------"
+ifeq ($(SUPPORTED_ARCH)$(help_skip_sanity), true)
+ @echo "The selected architecture $(ARCH) will enable the following configuration: "
+ @$(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
+else
+ @echo "Specify a supported architecture with the ARCH option for more details"
+ @echo ""
+endif
-.PHONY: help build profile-build strip install clean objclean profileclean help \
+.PHONY: help build profile-build strip install clean net objclean profileclean \
config-sanity icc-profile-use icc-profile-make gcc-profile-use gcc-profile-make \
clang-profile-use clang-profile-make
-build: config-sanity
+build: net config-sanity
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
-profile-build: config-sanity objclean profileclean
+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) > /dev/null
+ $(PGOBENCH) 2>&1 | tail -n 4
@echo ""
@echo "Step 3/4. Building optimized executable ..."
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) objclean
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) profileclean
strip:
- strip $(EXE)
+ $(STRIP) $(EXE)
install:
-mkdir -p -m 755 $(BINDIR)
-cp $(EXE) $(BINDIR)
- -strip $(BINDIR)/$(EXE)
+ $(STRIP) $(BINDIR)/$(EXE)
-#clean all
+# clean all
clean: objclean profileclean
@rm -f .depend *~ core
+# evaluation network (nnue)
+net:
+ $(eval nnuenet := $(shell grep EvalFileDefaultName evaluate.h | grep define | sed 's/.*\(nn-[a-z0-9]\{12\}.nnue\).*/\1/'))
+ @echo "Default net: $(nnuenet)"
+ $(eval nnuedownloadurl := https://tests.stockfishchess.org/api/nn/$(nnuenet))
+ $(eval curl_or_wget := $(shell if hash curl 2>/dev/null; then echo "curl -skL"; elif hash wget 2>/dev/null; then echo "wget -qO-"; fi))
+ @if test -f "$(nnuenet)"; then \
+ echo "Already available."; \
+ else \
+ if [ "x$(curl_or_wget)" = "x" ]; then \
+ echo "Automatic download failed: neither curl nor wget is installed. Install one of these tools or download the net manually"; exit 1; \
+ else \
+ echo "Downloading $(nnuedownloadurl)"; $(curl_or_wget) $(nnuedownloadurl) > $(nnuenet);\
+ fi; \
+ fi;
+ $(eval shasum_command := $(shell if hash shasum 2>/dev/null; then echo "shasum -a 256 "; elif hash sha256sum 2>/dev/null; then echo "sha256sum "; fi))
+ @if [ "x$(shasum_command)" != "x" ]; then \
+ if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
+ echo "Failed download or $(nnuenet) corrupted, please delete!"; exit 1; \
+ fi \
+ else \
+ echo "shasum / sha256sum not found, skipping net validation"; \
+ fi
+
# clean binaries and objects
objclean:
- @rm -f $(EXE) $(EXE).exe *.o ./syzygy/*.o
+ @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 ./syzygy/*.gcda *.gcno ./syzygy/*.gcno
+ @rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s
@rm -f stockfish.profdata *.profraw
+ @rm -f stockfish.*args*
+ @rm -f stockfish.*lt*
+ @rm -f stockfish.res
+ @rm -f ./-lstdc++.res
default:
help
### ==========================================================================
-### Section 5. Private targets
+### Section 5. Private Targets
### ==========================================================================
all: $(EXE) .depend
-config-sanity:
+config-sanity: net
@echo ""
@echo "Config:"
@echo "debug: '$(debug)'"
@echo "os: '$(OS)'"
@echo "prefetch: '$(prefetch)'"
@echo "popcnt: '$(popcnt)'"
- @echo "sse: '$(sse)'"
@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: '$(vnni512)'"
+ @echo "neon: '$(neon)'"
+ @echo "arm_version: '$(arm_version)'"
@echo ""
@echo "Flags:"
@echo "CXX: $(CXX)"
@echo "Testing config sanity. If this fails, try 'make help' ..."
@echo ""
@test "$(debug)" = "yes" || test "$(debug)" = "no"
- @test "$(sanitize)" = "undefined" || test "$(sanitize)" = "thread" || test "$(sanitize)" = "no"
@test "$(optimize)" = "yes" || test "$(optimize)" = "no"
+ @test "$(SUPPORTED_ARCH)" = "true"
@test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
- test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "armv7"
+ test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "e2k" || \
+ test "$(arch)" = "armv7" || test "$(arch)" = "armv8" || test "$(arch)" = "arm64"
@test "$(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 "$(comp)" = "clang"
+ @test "$(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 "$(vnni512)" = "no"
+ @test "$(neon)" = "yes" || test "$(neon)" = "no"
+ @test "$(comp)" = "gcc" || test "$(comp)" = "icc" || test "$(comp)" = "mingw" || test "$(comp)" = "clang" \
+ || test "$(comp)" = "armv7a-linux-androideabi16-clang" || test "$(comp)" = "aarch64-linux-android21-clang"
$(EXE): $(OBJS)
- $(CXX) -o $@ $(OBJS) $(LDFLAGS)
+ +$(CXX) -o $@ $(OBJS) $(LDFLAGS)
clang-profile-make:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
all
clang-profile-use:
- llvm-profdata merge -output=stockfish.profdata *.profraw
+ $(XCRUN) 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:
+ @mkdir -p profdir
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
- EXTRACXXFLAGS='-fprofile-generate' \
+ EXTRACXXFLAGS='-fprofile-generate=profdir' \
+ EXTRACXXFLAGS+=$(EXTRAPROFILEFLAGS) \
EXTRALDFLAGS='-lgcov' \
all
gcc-profile-use:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
- EXTRACXXFLAGS='-fprofile-use -fno-peel-loops -fno-tracer' \
+ EXTRACXXFLAGS='-fprofile-use=profdir -fno-peel-loops -fno-tracer' \
+ EXTRACXXFLAGS+=$(EXTRAPROFILEFLAGS) \
EXTRALDFLAGS='-lgcov' \
all
EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \
all
-.depend:
- -@$(CXX) $(DEPENDFLAGS) -MM $(OBJS:.o=.cpp) > $@ 2> /dev/null
+.depend: $(SRCS)
+ -@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
-include .depend
-