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stockfish/src/Makefile
T
Stéphane NicoletandStéphane Nicolet 3542033342 Instructions to build on older Macintosh 
In recent Macs, it is possible to use the Clang compiler provided by Apple
to compile Stockfish out of the box, and this is the method used by default
in our Makefile (the Makefile sets the macosx-version-min=10.14 flag to select
the right libc++ library for the Clang compiler with recent c++17 support).

But it is quite possible to compile and run Stockfish on older Macs! Below
we describe a method to install a recent GNU compiler on these Macs, to get
the c++17 support. We have tested the following procedure to install gcc10 on
machines running Mac OS 10.7, Mac OS 10.9 and Mac OS 10.13:

1) install XCode for your machine.

2) install Apple command-line developer tools for XCode, by typing the following
   command in a Terminal:

```
      sudo xcode-select --install
```

3) go to the Stockfish "src" directory, then try a default build and run Stockfish:

```
      make clean
      make build
      make net
      ./stockfish
```

4) if step 3 worked, congrats! You have a compiler recent enough on your Mac
to compile Stockfish. If not, continue with step 5 to install GNU gcc10 :-)

5) install the MacPorts package manager (https://www.macports.org/install.php),
for instance using the fast method in the "macOS Package (.pkg) Installer"
section of the page.

6) use the "port" command to install the gcc10 package of MacPorts by typing the
following command:

```
    sudo port install gcc10
```

With this step, MacPorts will install the gcc10 compiler under the name "g++-mp-10"
in the /opt/local/bin directory:

```
   which g++-mp-10

   /opt/local/bin/g++-mp-10       <--- answer
```

7) You can now go back to the "src" directory of Stockfish, and try to build
Stockfish by pointing at the right compiler:

```
   make clean
   make build COMP=gcc COMPCXX=/opt/local/bin/g++-mp-10
   make net
   ./stockfish
```

8) Enjoy Stockfish on Macintosh!

See this pull request for further discussion:
https://github.com/official-stockfish/Stockfish/pull/3049

No functional change
2020-08-22 22:37:50 +02:00

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Makefile
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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) 2015-2019 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
### ==========================================================================
### Executable name
ifeq ($(COMP),mingw)
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
### 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_kp.cpp
OBJS = $(notdir $(SRCS:.cpp=.o))
VPATH = syzygy:nnue:nnue/features
### Establish the operating system name
KERNEL = $(shell uname -s)
ifeq ($(KERNEL),Linux)
OS = $(shell uname -o)
endif
### ==========================================================================
### Section 2. High-level Configuration
### ==========================================================================
#
# flag --- Comp switch --- Description
# ----------------------------------------------------------------------------
#
# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
# sanitize = undefined/thread/no (-fsanitize )
# --- ( undefined ) --- enable undefined behavior checks
# --- ( thread ) --- enable threading error checks
# optimize = yes/no --- (-O3/-fast etc.) --- Enable/Disable optimizations
# arch = (name) --- (-arch) --- Target architecture
# bits = 64/32 --- -DIS_64BIT --- 64-/32-bit operating system
# prefetch = yes/no --- -DUSE_PREFETCH --- Use prefetch asm-instruction
# popcnt = yes/no --- -DUSE_POPCNT --- Use popcnt asm-instruction
# pext = yes/no --- -DUSE_PEXT --- Use pext x86_64 asm-instruction
# sse = yes/no --- -msse --- Use Intel Streaming SIMD Extensions
# mmx = yes/no --- -mmmx --- Use Intel MMX instructions
# sse2 = yes/no --- -msse2 --- Use Intel Streaming SIMD Extensions 2
# ssse3 = yes/no --- -mssse3 --- Use Intel Supplemental Streaming SIMD Extensions 3
# sse41 = yes/no --- -msse4.1 --- Use Intel Streaming SIMD Extensions 4.1
# avx2 = yes/no --- -mavx2 --- Use Intel Advanced Vector Extensions 2
# avx512 = yes/no --- -mavx512bw --- Use Intel Advanced Vector Extensions 512
# vnni = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 512
# neon = yes/no --- -DUSE_NEON --- Use ARM SIMD architecture
#
# Note that Makefile is space sensitive, so when adding new architectures
# or modifying existing flags, you have to make sure there are no extra spaces
# at the end of the line for flag values.
### 2.1. General and architecture defaults
ifeq ($(ARCH),)
empty_arch = yes
endif
optimize = yes
debug = no
sanitize = no
bits = 64
prefetch = no
popcnt = no
pext = no
sse = no
mmx = no
sse2 = no
ssse3 = no
sse41 = no
avx2 = no
avx512 = no
vnni = no
neon = no
ARCH = x86-64-modern
STRIP = strip
### 2.2 Architecture specific
ifeq ($(findstring x86,$(ARCH)),x86)
# x86-32/64
ifeq ($(findstring x86-32,$(ARCH)),x86-32)
arch = i386
bits = 32
sse = yes
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)
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 ($(findstring -bmi2,$(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 ($(findstring -vnni,$(ARCH)),-vnni)
popcnt = yes
sse = yes
sse2 = yes
ssse3 = yes
sse41 = yes
avx2 = yes
pext = yes
avx512 = yes
vnni = 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 ($(ARCH),armv7)
arch = armv7
prefetch = yes
bits = 32
endif
ifeq ($(ARCH),armv7-neon)
arch = armv7
prefetch = yes
popcnt = yes
neon = yes
bits = 32
endif
ifeq ($(ARCH),armv8)
arch = armv8-a
prefetch = yes
popcnt = yes
neon = yes
endif
ifeq ($(ARCH),apple-silicon)
arch = arm64
prefetch = yes
popcnt = yes
neon = yes
endif
ifeq ($(ARCH),ppc-32)
arch = ppc
bits = 32
endif
ifeq ($(ARCH),ppc-64)
arch = ppc64
popcnt = yes
prefetch = yes
endif
endif
### ==========================================================================
### Section 3. Low-level Configuration
### ==========================================================================
### 3.1 Selecting compiler (default = gcc)
CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -std=c++17 $(EXTRACXXFLAGS)
DEPENDFLAGS += -std=c++17
LDFLAGS += $(EXTRALDFLAGS)
ifeq ($(COMP),)
COMP=gcc
endif
ifeq ($(COMP),gcc)
comp=gcc
CXX=g++
CXXFLAGS += -pedantic -Wextra -Wshadow
ifeq ($(arch),$(filter $(arch),armv7 armv8-a))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
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 ($(COMP),mingw)
comp=mingw
ifeq ($(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 ($(COMP),clang)
comp=clang
CXX=clang++
CXXFLAGS += -pedantic -Wextra -Wshadow
ifneq ($(KERNEL),Darwin)
ifneq ($(KERNEL),OpenBSD)
LDFLAGS += -latomic
endif
endif
ifeq ($(arch),$(filter $(arch),armv7 armv8))
ifeq ($(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=10.14
LDFLAGS += -arch $(arch) -mmacosx-version-min=10.14
XCRUN = xcrun
endif
# To cross-compile for Android, NDK version r21 or later is recommended.
# In earlier NDK versions, you'll need to pass -fno-addrsig if using GNU binutils.
# Currently we don't know how to make PGO builds with the NDK yet.
ifeq ($(COMP),ndk)
CXXFLAGS += -stdlib=libc++ -fPIE
ifeq ($(arch),armv7)
comp=armv7a-linux-androideabi16-clang
CXX=armv7a-linux-androideabi16-clang++
CXXFLAGS += -mthumb -march=armv7-a -mfloat-abi=softfp -mfpu=neon
STRIP=arm-linux-androideabi-strip
endif
ifeq ($(arch),armv8-a)
comp=aarch64-linux-android21-clang
CXX=aarch64-linux-android21-clang++
STRIP=aarch64-linux-android-strip
endif
LDFLAGS += -static-libstdc++ -pie -lm -latomic
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
### 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)
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 ($(sanitize),no)
CXXFLAGS += -g3 -fsanitize=$(sanitize)
LDFLAGS += -fsanitize=$(sanitize)
endif
### 3.3 Optimization
ifeq ($(optimize),yes)
CXXFLAGS += -O3
ifeq ($(comp),gcc)
ifeq ($(OS), Android)
CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
endif
endif
ifeq ($(comp),$(filter $(comp),gcc clang icc))
ifeq ($(KERNEL),Darwin)
CXXFLAGS += -mdynamic-no-pic
endif
endif
endif
### 3.4 Bits
ifeq ($(bits),64)
CXXFLAGS += -DIS_64BIT
endif
### 3.5 prefetch
ifeq ($(prefetch),yes)
ifeq ($(sse),yes)
CXXFLAGS += -msse
endif
else
CXXFLAGS += -DNO_PREFETCH
endif
### 3.6 popcnt
ifeq ($(popcnt),yes)
ifeq ($(arch),$(filter $(arch),ppc64 armv7 armv8-a arm64))
CXXFLAGS += -DUSE_POPCNT
else ifeq ($(comp),icc)
CXXFLAGS += -msse3 -DUSE_POPCNT
else
CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT
endif
endif
ifeq ($(avx2),yes)
CXXFLAGS += -DUSE_AVX2
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mavx2
endif
endif
ifeq ($(avx512),yes)
CXXFLAGS += -DUSE_AVX512
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mavx512f -mavx512bw
endif
endif
ifeq ($(vnni),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
ifeq ($(KERNEL),Linux)
ifneq ($(COMP),ndk)
CXXFLAGS += -mfpu=neon
endif
endif
endif
### 3.7 pext
ifeq ($(pext),yes)
CXXFLAGS += -DUSE_PEXT
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
CXXFLAGS += -mbmi2
endif
endif
### 3.8 Link Time Optimization
### This is a mix of compile and link time options because the lto link phase
### needs access to the optimization flags.
ifeq ($(optimize),yes)
ifeq ($(debug), no)
ifeq ($(COMP),ndk)
CXXFLAGS += -flto=thin
LDFLAGS += $(CXXFLAGS)
else ifeq ($(comp),clang)
CXXFLAGS += -flto=thin
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
LDFLAGS += $(CXXFLAGS) -flto=jobserver
ifneq ($(findstring MINGW,$(KERNEL)),)
LDFLAGS += -save-temps
else ifneq ($(findstring MSYS,$(KERNEL)),)
LDFLAGS += -save-temps
endif
else
CXXFLAGS += -flto=thin
LDFLAGS += $(CXXFLAGS)
endif
# To use LTO and static linking on windows, the tool chain requires a recent gcc:
# gcc version 10.1 in msys2 or TDM-GCC version 9.2 are known to work, older might not.
# So, only enable it for a cross from Linux by default.
else ifeq ($(comp),mingw)
ifeq ($(KERNEL),Linux)
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS) -flto=jobserver
endif
endif
endif
endif
### 3.9 Android 5 can only run position independent executables. Note that this
### breaks Android 4.0 and earlier.
ifeq ($(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 "help > Display architecture details"
@echo "build > Standard 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-vnni > x86 64-bit with vnni support"
@echo "x86-64-avx512 > x86 64-bit with avx512 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 "apple-silicon > Apple silicon ARM64"
@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 "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 -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 looking for performance: "
@echo ""
@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 ""
ifneq ($(empty_arch), yes)
@echo "-------------------------------"
@echo "The selected architecture $(ARCH) will enable the following configuration: "
@$(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
endif
.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
$(MAKE) ARCH=$(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) > /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
net:
$(eval nnuenet := $(shell grep EvalFile ucioption.cpp | grep Option | 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) *.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
@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 "pext: '$(pext)'"
@echo "sse: '$(sse)'"
@echo "mmx: '$(mmx)'"
@echo "sse2: '$(sse2)'"
@echo "ssse3: '$(ssse3)'"
@echo "sse41: '$(sse41)'"
@echo "avx2: '$(avx2)'"
@echo "avx512: '$(avx512)'"
@echo "vnni: '$(vnni)'"
@echo "neon: '$(neon)'"
@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)" = "undefined" || test "$(sanitize)" = "thread" || test "$(sanitize)" = "address" || 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 "$(arch)" = "armv7" || test "$(arch)" = "armv8-a" || test "$(arch)" = "arm64"
@test "$(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 "$(avx512)" = "no"
@test "$(vnni)" = "yes" || test "$(vnni)" = "no"
@test "$(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)
clang-profile-make:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-fprofile-instr-generate ' \
EXTRALDFLAGS=' -fprofile-instr-generate' \
all
clang-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
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 $(SRCS) > $@ 2> /dev/null
-include .depend
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