# 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
### ==========================================================================
### Establish the operating system name
-UNAME = $(shell uname)
+KERNEL = $(shell uname -s)
+ifeq ($(KERNEL),Linux)
+ OS = $(shell uname -o)
+endif
### Executable name
EXE = stockfish
BINDIR = $(PREFIX)/bin
### Built-in benchmark for pgo-builds
-PGOBENCH = ./$(EXE) bench 16 1 1000 default time
+PGOBENCH = ./$(EXE) bench
### Object files
OBJS = benchmark.o bitbase.o bitboard.o endgame.o evaluate.o main.o \
- material.o misc.o movegen.o movepick.o pawns.o position.o \
+ material.o misc.o movegen.o movepick.o pawns.o position.o psqt.o \
search.o thread.o timeman.o tt.o uci.o ucioption.o syzygy/tbprobe.o
### ==========================================================================
# ----------------------------------------------------------------------------
#
# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
+# sanitize = undefined/thread/no (-fsanitize )
+# --- ( undefined ) --- enable undefined behavior checks
+# --- ( thread ) --- enable threading error checks
# optimize = yes/no --- (-O3/-fast etc.) --- Enable/Disable optimizations
# arch = (name) --- (-arch) --- Target architecture
# bits = 64/32 --- -DIS_64BIT --- 64-/32-bit operating system
-# prefetch = yes/no --- -DUSE_PREFETCH --- Use prefetch x86 asm-instruction
-# bsfq = yes/no --- -DUSE_BSFQ --- Use bsfq x86_64 asm-instruction (only
-# with GCC and ICC 64-bit)
-# popcnt = yes/no --- -DUSE_POPCNT --- Use popcnt x86_64 asm-instruction
+# prefetch = yes/no --- -DUSE_PREFETCH --- Use prefetch asm-instruction
+# popcnt = yes/no --- -DUSE_POPCNT --- Use popcnt asm-instruction
# sse = yes/no --- -msse --- Use Intel Streaming SIMD Extensions
# pext = yes/no --- -DUSE_PEXT --- Use pext x86_64 asm-instruction
#
### 2.1. General and architecture defaults
optimize = yes
debug = no
+sanitize = no
bits = 32
prefetch = no
-bsfq = no
popcnt = no
sse = no
pext = no
arch = x86_64
bits = 64
prefetch = yes
- bsfq = yes
sse = yes
endif
arch = x86_64
bits = 64
prefetch = yes
- bsfq = yes
popcnt = yes
sse = yes
endif
arch = x86_64
bits = 64
prefetch = yes
- bsfq = yes
popcnt = yes
sse = yes
pext = yes
ifeq ($(ARCH),armv7)
arch = armv7
prefetch = yes
- bsfq = yes
endif
ifeq ($(ARCH),ppc-32)
### 3.1 Selecting compiler (default = gcc)
-CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -fno-rtti $(EXTRACXXFLAGS)
+CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -fno-rtti -std=c++11 $(EXTRACXXFLAGS)
+DEPENDFLAGS += -std=c++11
LDFLAGS += $(EXTRALDFLAGS)
ifeq ($(COMP),)
ifeq ($(COMP),gcc)
comp=gcc
CXX=g++
- CXXFLAGS += -ansi -pedantic -Wno-long-long -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow
+
+ ifeq ($(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 ($(COMP),mingw)
comp=mingw
- CXX=g++
+
+ ifeq ($(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 ($(shell which i686-w64-mingw32-c++-posix),)
+ CXX=i686-w64-mingw32-c++
+ else
+ CXX=i686-w64-mingw32-c++-posix
+ endif
+ endif
+ else
+ CXX=g++
+ endif
+
CXXFLAGS += -Wextra -Wshadow
- LDFLAGS += -static-libstdc++ -static-libgcc
+ LDFLAGS += -static
endif
ifeq ($(COMP),icc)
ifeq ($(COMP),clang)
comp=clang
CXX=clang++
- CXXFLAGS += -pedantic -Wno-long-long -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow
+ifneq ($(KERNEL),Darwin)
+ LDFLAGS += -latomic
+endif
+
+ ifeq ($(ARCH),armv7)
+ ifeq ($(OS),Android)
+ CXXFLAGS += -m$(bits)
+ LDFLAGS += -m$(bits)
+ endif
+ else
+ CXXFLAGS += -m$(bits)
+ LDFLAGS += -m$(bits)
+ endif
endif
ifeq ($(comp),icc)
- profile_prepare = icc-profile-prepare
profile_make = icc-profile-make
profile_use = icc-profile-use
- profile_clean = icc-profile-clean
else
- profile_prepare = gcc-profile-prepare
+ifeq ($(comp),clang)
+ profile_make = clang-profile-make
+ profile_use = clang-profile-use
+else
profile_make = gcc-profile-make
profile_use = gcc-profile-use
- profile_clean = gcc-profile-clean
+endif
endif
-ifeq ($(UNAME),Darwin)
- CXXFLAGS += -arch $(arch) -mmacosx-version-min=10.6
- LDFLAGS += -arch $(arch) -mmacosx-version-min=10.6
+ifeq ($(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 ($(arch),armv7)
+ ifneq ($(OS),Android)
# Haiku has pthreads in its libroot, so only link it in on other platforms
- ifneq ($(UNAME),Haiku)
+ ifneq ($(KERNEL),Haiku)
LDFLAGS += -lpthread
endif
endif
endif
-### 3.4 Debugging
+### 3.2.1 Debugging
ifeq ($(debug),no)
CXXFLAGS += -DNDEBUG
else
CXXFLAGS += -g
endif
-### 3.5 Optimization
+### 3.2.2 Debugging with undefined behavior sanitizers
+ifneq ($(sanitize),no)
+ CXXFLAGS += -g3 -fsanitize=$(sanitize) -fuse-ld=gold
+ LDFLAGS += -fsanitize=$(sanitize) -fuse-ld=gold
+endif
+
+### 3.3 Optimization
ifeq ($(optimize),yes)
+ CXXFLAGS += -O3
+
ifeq ($(comp),gcc)
- CXXFLAGS += -O3
- ifeq ($(UNAME),Darwin)
+ ifeq ($(KERNEL),Darwin)
ifeq ($(arch),i386)
CXXFLAGS += -mdynamic-no-pic
endif
endif
endif
- ifeq ($(arch),armv7)
+ ifeq ($(OS), Android)
CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
endif
endif
- ifeq ($(comp),mingw)
- CXXFLAGS += -O3
- endif
-
ifeq ($(comp),icc)
- ifeq ($(UNAME),Darwin)
- CXXFLAGS += -fast -mdynamic-no-pic
- else
- CXXFLAGS += -fast
+ ifeq ($(KERNEL),Darwin)
+ CXXFLAGS += -mdynamic-no-pic
endif
endif
ifeq ($(comp),clang)
- CXXFLAGS += -O3
-
- ifeq ($(UNAME),Darwin)
- ifeq ($(pext),no)
+ ifeq ($(KERNEL),Darwin)
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS)
- endif
ifeq ($(arch),i386)
CXXFLAGS += -mdynamic-no-pic
endif
endif
endif
-### 3.6. Bits
+### 3.4 Bits
ifeq ($(bits),64)
CXXFLAGS += -DIS_64BIT
endif
-### 3.7 prefetch
+### 3.5 prefetch
ifeq ($(prefetch),yes)
ifeq ($(sse),yes)
CXXFLAGS += -msse
CXXFLAGS += -DNO_PREFETCH
endif
-### 3.8 bsfq
-ifeq ($(bsfq),yes)
- CXXFLAGS += -DUSE_BSFQ
-endif
-
-### 3.9 popcnt
+### 3.6 popcnt
ifeq ($(popcnt),yes)
ifeq ($(comp),icc)
CXXFLAGS += -msse3 -DUSE_POPCNT
endif
endif
-### 3.10 pext
+### 3.7 pext
ifeq ($(pext),yes)
CXXFLAGS += -DUSE_PEXT
ifeq ($(comp),$(filter $(comp),gcc clang mingw))
- CXXFLAGS += -mbmi -mbmi2
+ CXXFLAGS += -mbmi2
endif
endif
-### 3.11 Link Time Optimization, it works since gcc 4.5 but not on mingw.
+### 3.8 Link Time Optimization, it works since gcc 4.5 but not on mingw under Windows.
### This is a mix of compile and link time options because the lto link phase
### needs access to the optimization flags.
ifeq ($(comp),gcc)
ifeq ($(optimize),yes)
ifeq ($(debug),no)
- GCC_MAJOR := `$(CXX) -dumpversion | cut -f1 -d.`
- GCC_MINOR := `$(CXX) -dumpversion | cut -f2 -d.`
- ifeq (1,$(shell expr \( $(GCC_MAJOR) \> 4 \) \| \( $(GCC_MAJOR) \= 4 \& $(GCC_MINOR) \>= 5 \)))
- CXXFLAGS += -flto
- LDFLAGS += $(CXXFLAGS)
- endif
+ CXXFLAGS += -flto
+ LDFLAGS += $(CXXFLAGS)
+ endif
+ endif
+endif
+
+ifeq ($(comp),mingw)
+ ifeq ($(KERNEL),Linux)
+ ifeq ($(optimize),yes)
+ ifeq ($(debug),no)
+ CXXFLAGS += -flto
+ LDFLAGS += $(CXXFLAGS)
+ endif
endif
endif
endif
-### 3.12 Android 5 can only run position independent executables. Note that this
+### 3.9 Android 5 can only run position independent executables. Note that this
### breaks Android 4.0 and earlier.
-ifeq ($(arch),armv7)
+ifeq ($(OS), Android)
CXXFLAGS += -fPIE
LDFLAGS += -fPIE -pie
endif
@echo ""
@echo "To compile stockfish, type: "
@echo ""
- @echo "make target ARCH=arch [COMP=comp]"
+ @echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"
@echo ""
@echo "Supported targets:"
@echo ""
@echo "clang > LLVM Clang compiler"
@echo "icc > Intel compiler"
@echo ""
- @echo "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: "
@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
-.PHONY: build profile-build
-build:
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
+build: config-sanity
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
-profile-build:
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
+profile-build: config-sanity objclean profileclean
@echo ""
- @echo "Step 0/4. Preparing for profile build."
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_prepare)
- @echo ""
- @echo "Step 1/4. Building executable for benchmark ..."
- @touch *.cpp *.h syzygy/*.cpp syzygy/*.h
+ @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) > /dev/null
@echo ""
- @echo "Step 3/4. Building final executable ..."
- @touch *.cpp *.h syzygy/*.cpp syzygy/*.h
+ @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) $(profile_clean)
+ $(MAKE) ARCH=$(ARCH) COMP=$(COMP) profileclean
strip:
strip $(EXE)
-cp $(EXE) $(BINDIR)
-strip $(BINDIR)/$(EXE)
-clean:
- $(RM) $(EXE) $(EXE).exe *.o .depend *~ core bench.txt *.gcda ./syzygy/*.o ./syzygy/*.gcda
+#clean all
+clean: objclean profileclean
+ @rm -f .depend *~ core
+
+# clean binaries and objects
+objclean:
+ @rm -f $(EXE) $(EXE).exe *.o ./syzygy/*.o
+
+# clean auxiliary profiling files
+profileclean:
+ @rm -rf profdir
+ @rm -f bench.txt *.gcda ./syzygy/*.gcda *.gcno ./syzygy/*.gcno
+ @rm -f stockfish.profdata *.profraw
default:
help
@echo ""
@echo "Config:"
@echo "debug: '$(debug)'"
+ @echo "sanitize: '$(sanitize)'"
@echo "optimize: '$(optimize)'"
@echo "arch: '$(arch)'"
@echo "bits: '$(bits)'"
+ @echo "kernel: '$(KERNEL)'"
+ @echo "os: '$(OS)'"
@echo "prefetch: '$(prefetch)'"
- @echo "bsfq: '$(bsfq)'"
@echo "popcnt: '$(popcnt)'"
@echo "sse: '$(sse)'"
@echo "pext: '$(pext)'"
@echo "Testing config sanity. If this fails, try 'make help' ..."
@echo ""
@test "$(debug)" = "yes" || test "$(debug)" = "no"
+ @test "$(sanitize)" = "undefined" || test "$(sanitize)" = "thread" || test "$(sanitize)" = "no"
@test "$(optimize)" = "yes" || test "$(optimize)" = "no"
@test "$(arch)" = "any" || test "$(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 "$(bsfq)" = "yes" || test "$(bsfq)" = "no"
@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
@test "$(sse)" = "yes" || test "$(sse)" = "no"
@test "$(pext)" = "yes" || test "$(pext)" = "no"
$(EXE): $(OBJS)
$(CXX) -o $@ $(OBJS) $(LDFLAGS)
-gcc-profile-prepare:
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) gcc-profile-clean
+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) \
all
gcc-profile-use:
-# Deleting corrupt ucioption.gc* profile files is necessary to avoid an
-# "internal compiler error" for gcc versions 4.7.x
- @rm -f ucioption.gc*
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
- EXTRACXXFLAGS='-fprofile-use' \
+ EXTRACXXFLAGS='-fprofile-use -fno-peel-loops -fno-tracer' \
EXTRALDFLAGS='-lgcov' \
all
-gcc-profile-clean:
- @rm -rf *.gcda *.gcno syzygy/*.gcda syzygy/*.gcno bench.txt
-
-icc-profile-prepare:
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) icc-profile-clean
- @mkdir profdir
-
icc-profile-make:
+ @mkdir -p profdir
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
EXTRACXXFLAGS='-prof-gen=srcpos -prof_dir ./profdir' \
all
EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \
all
-icc-profile-clean:
- @rm -rf profdir bench.txt
-
.depend:
-@$(CXX) $(DEPENDFLAGS) -MM $(OBJS:.o=.cpp) > $@ 2> /dev/null
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