### Establish the operating system name
KERNEL = $(shell uname -s)
-ifneq ($(KERNEL),Darwin)
+ifeq ($(KERNEL),Linux)
OS = $(shell uname -o)
endif
# ----------------------------------------------------------------------------
#
# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
+# sanitize = undefined/thread/no (-fsanitize )
+# --- ( undefined ) --- enable undefined behavior checks
+# --- ( thread ) --- enable threading error checks
# optimize = yes/no --- (-O3/-fast etc.) --- Enable/Disable optimizations
# arch = (name) --- (-arch) --- Target architecture
# bits = 64/32 --- -DIS_64BIT --- 64-/32-bit operating system
### 2.1. General and architecture defaults
optimize = yes
debug = no
+sanitize = no
bits = 32
prefetch = no
popcnt = no
ifeq ($(ARCH),armv7)
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
+ LDFLAGS += -m$(bits)
endif
else
CXXFLAGS += -m$(bits)
+ LDFLAGS += -m$(bits)
endif
ifneq ($(KERNEL),Darwin)
comp=clang
CXX=clang++
CXXFLAGS += -pedantic -Wextra -Wshadow
+ifneq ($(KERNEL),Darwin)
+ LDFLAGS += -latomic
+endif
ifeq ($(ARCH),armv7)
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
endif
-
- ifeq ($(KERNEL),Darwin)
- CXXFLAGS += -stdlib=libc++
- DEPENDFLAGS += -stdlib=libc++
- 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 ($(KERNEL),Darwin)
endif
endif
-### 3.2 Debugging
+### 3.2.1 Debugging
ifeq ($(debug),no)
CXXFLAGS += -DNDEBUG
else
CXXFLAGS += -g
endif
+### 3.2.2 Debugging with undefined behavior sanitizers
+ifneq ($(sanitize),no)
+ CXXFLAGS += -g3 -fsanitize=$(sanitize) -fuse-ld=gold
+ LDFLAGS += -fsanitize=$(sanitize) -fuse-ld=gold
+endif
+
### 3.3 Optimization
ifeq ($(optimize),yes)
ifeq ($(comp),clang)
ifeq ($(KERNEL),Darwin)
- ifeq ($(pext),no)
CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS)
- endif
ifeq ($(arch),i386)
CXXFLAGS += -mdynamic-no-pic
endif
@echo ""
-.PHONY: build profile-build
-build:
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
+.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
+
+build: config-sanity
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
-profile-build:
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
- @echo ""
- @echo "Step 0/4. Preparing for profile build."
- $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_prepare)
+profile-build: config-sanity objclean profileclean
@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
@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 "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"
$(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) \
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