# Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-# Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
+# Copyright (C) 2004-2023 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
ifeq ($(COMP),gcc)
comp=gcc
CXX=g++
- CXXFLAGS += -pedantic -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-declarations
ifeq ($(arch),$(filter $(arch),armv7 armv8 riscv64))
ifeq ($(OS),Android)
CXX=i686-w64-mingw32-c++-posix
endif
endif
- CXXFLAGS += -pedantic -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-declarations
endif
ifeq ($(COMP),icc)
CXX=x86_64-w64-mingw32-clang++
endif
- CXXFLAGS += -pedantic -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-prototypes
ifeq ($(filter $(KERNEL),Darwin OpenBSD FreeBSD),)
ifeq ($(target_windows),)
### Sometimes gcc is really clang
ifeq ($(COMP),gcc)
- gccversion = $(shell $(CXX) --version)
+ gccversion = $(shell $(CXX) --version 2>/dev/null)
gccisclang = $(findstring clang,$(gccversion))
ifneq ($(gccisclang),)
profile_make = clang-profile-make
endif
endif
+### 3.7.1 Try to include git commit sha for versioning
+GIT_SHA = $(shell git rev-parse --short HEAD 2>/dev/null)
+ifneq ($(GIT_SHA), )
+ CXXFLAGS += -DGIT_SHA=\"$(GIT_SHA)\"
+endif
+
+### 3.7.2 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 Link Time Optimization
### This is a mix of compile and link time options because the lto link phase
### needs access to the optimization flags.
@echo "Supported targets:"
@echo ""
@echo "help > Display architecture details"
- @echo "build > Standard build"
+ @echo "profile-build > standard build with profile-guided optimization"
+ @echo "build > skip profile-guided optimization"
@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 "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 "Simple examples. If you don't know what to do, you likely want to run one of: "
@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 "make -j profile-build ARCH=x86-64-avx2 # typically a fast compile for common systems "
+ @echo "make -j profile-build ARCH=x86-64-modern # 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 looking for performance: "
+ @echo "Advanced examples, for experienced users: "
@echo ""
- @echo "make help ARCH=x86-64-bmi2"
+ @echo "make -j profile-build 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 ""
.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
+ clang-profile-use clang-profile-make FORCE
build: net config-sanity
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
$(eval nnuedownloadurl2 := https://github.com/official-stockfish/networks/raw/master/$(nnuenet))
$(eval curl_or_wget := $(shell if hash curl 2>/dev/null; then echo "curl -skL"; elif hash wget 2>/dev/null; then echo "wget -qO-"; fi))
@if [ "x$(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; \
+ echo "Neither curl nor wget is installed. Install one of these tools unless the net has been downloaded manually"; \
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 \
echo "$(nnuenet) available."; \
else \
if [ "x$(curl_or_wget)" != "x" ]; then \
- echo "Downloading $${nnuedownloadurl}"; $(curl_or_wget) $${nnuedownloadurl} > $(nnuenet);\
+ echo "Downloading $${nnuedownloadurl}"; $(curl_or_wget) $${nnuedownloadurl} > $(nnuenet);\
+ else \
+ echo "No net found and download not possible"; exit 1;\
fi; \
fi; \
if [ "x$(shasum_command)" != "x" ]; then \
$(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-instr-generate ' \
.depend: $(SRCS)
-@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
+ifeq (, $(filter $(MAKECMDGOALS), help strip install clean net objclean profileclean config-sanity))
-include .depend
+endif
projects / stockfish / blobdiff