X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2FMakefile;h=5b43c35fdd7e838ad4c54850520f73a338fcbf7f;hb=8a912951de6d4bff78d3ff5258213a0c7e6f494e;hp=e257bc6347d91da3977e6b351b8b5d22c3be6fe6;hpb=d1e17989b51f220629e4e81a4bf413974f4b18e2;p=stockfish

diff --git a/src/Makefile b/src/Makefile
index e257bc63..5b43c35f 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -49,15 +49,11 @@ PREFIX = /usr/local
 BINDIR = $(PREFIX)/bin
 
 ### Built-in benchmark for pgo-builds
-ifeq ($(SDE_PATH),)
-	PGOBENCH = $(WINE_PATH) ./$(EXE) bench
-else
-	PGOBENCH = $(SDE_PATH) -- $(WINE_PATH) ./$(EXE) bench
-endif
+PGOBENCH = $(WINE_PATH) ./$(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 \
+SRCS = benchmark.cpp bitboard.cpp evaluate.cpp main.cpp \
+	misc.cpp movegen.cpp movepick.cpp position.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
 
@@ -108,9 +104,13 @@ VPATH = syzygy:nnue:nnue/features
 ### 2.1. General and architecture defaults
 
 ifeq ($(ARCH),)
-   ARCH = x86-64-modern
-   help_skip_sanity = yes
+   ARCH = native
+endif
+
+ifeq ($(ARCH), native)
+   override ARCH = $(shell $(SHELL) ../scripts/get_native_properties.sh | cut -d " " -f 1)
 endif
+
 # explicitly check for the list of supported architectures (as listed with make help),
 # the user can override with `make ARCH=x86-32-vnni256 SUPPORTED_ARCH=true`
 ifeq ($(ARCH), $(filter $(ARCH), \
@@ -193,6 +193,8 @@ ifeq ($(findstring -sse41,$(ARCH)),-sse41)
 endif
 
 ifeq ($(findstring -modern,$(ARCH)),-modern)
+        $(warning *** ARCH=$(ARCH) is deprecated, defaulting to ARCH=x86-64-sse41-popcnt. Execute `make help` for a list of available architectures. ***)
+        $(shell sleep 5)
 	popcnt = yes
 	sse = yes
 	sse2 = yes
@@ -425,10 +427,11 @@ ifeq ($(COMP),mingw)
 	CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-declarations
 endif
 
-ifeq ($(COMP),icc)
-	comp=icc
-	CXX=icpc
-	CXXFLAGS += -diag-disable 1476,10120 -Wcheck -Wabi -Wdeprecated -strict-ansi
+ifeq ($(COMP),icx)
+	comp=icx
+	CXX=icpx
+	CXXFLAGS += --intel -pedantic -Wextra -Wshadow -Wmissing-prototypes \
+		-Wconditional-uninitialized -Wabi -Wdeprecated
 endif
 
 ifeq ($(COMP),clang)
@@ -499,9 +502,9 @@ ifeq ($(COMP),ndk)
 	LDFLAGS += -static-libstdc++ -pie -lm -latomic
 endif
 
-ifeq ($(comp),icc)
-	profile_make = icc-profile-make
-	profile_use = icc-profile-use
+ifeq ($(comp),icx)
+	profile_make = icx-profile-make
+	profile_use = icx-profile-use
 else ifeq ($(comp),clang)
 	profile_make = clang-profile-make
 	profile_use = clang-profile-use
@@ -563,7 +566,7 @@ endif
 ### 3.3 Optimization
 ifeq ($(optimize),yes)
 
-	CXXFLAGS += -O3
+	CXXFLAGS += -O3 -funroll-loops
 
 	ifeq ($(comp),gcc)
 		ifeq ($(OS), Android)
@@ -572,7 +575,7 @@ ifeq ($(optimize),yes)
 	endif
 
 	ifeq ($(KERNEL),Darwin)
-		ifeq ($(comp),$(filter $(comp),clang icc))
+		ifeq ($(comp),$(filter $(comp),clang icx))
 			CXXFLAGS += -mdynamic-no-pic
 		endif
 
@@ -608,8 +611,6 @@ endif
 ifeq ($(popcnt),yes)
 	ifeq ($(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
@@ -618,63 +619,62 @@ endif
 ### 3.6 SIMD architectures
 ifeq ($(avx2),yes)
 	CXXFLAGS += -DUSE_AVX2
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -mavx2 -mbmi
 	endif
 endif
 
 ifeq ($(avxvnni),yes)
 	CXXFLAGS += -DUSE_VNNI -DUSE_AVXVNNI
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -mavxvnni
 	endif
 endif
 
 ifeq ($(avx512),yes)
 	CXXFLAGS += -DUSE_AVX512
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -mavx512f -mavx512bw
 	endif
 endif
 
 ifeq ($(vnni256),yes)
 	CXXFLAGS += -DUSE_VNNI
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -mavx512f -mavx512bw -mavx512vnni -mavx512dq -mavx512vl -mprefer-vector-width=256
 	endif
 endif
 
 ifeq ($(vnni512),yes)
 	CXXFLAGS += -DUSE_VNNI
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
-		CXXFLAGS += -mavx512vnni -mavx512dq -mavx512vl
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
+		CXXFLAGS += -mavx512f -mavx512bw -mavx512vnni -mavx512dq -mavx512vl -mprefer-vector-width=512
 	endif
 endif
 
 ifeq ($(sse41),yes)
 	CXXFLAGS += -DUSE_SSE41
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -msse4.1
 	endif
 endif
 
 ifeq ($(ssse3),yes)
 	CXXFLAGS += -DUSE_SSSE3
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -mssse3
 	endif
 endif
 
 ifeq ($(sse2),yes)
 	CXXFLAGS += -DUSE_SSE2
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -msse2
 	endif
 endif
 
 ifeq ($(mmx),yes)
-	CXXFLAGS += -DUSE_MMX
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -mmmx
 	endif
 endif
@@ -697,30 +697,38 @@ endif
 ### 3.7 pext
 ifeq ($(pext),yes)
 	CXXFLAGS += -DUSE_PEXT
-	ifeq ($(comp),$(filter $(comp),gcc clang mingw))
+	ifeq ($(comp),$(filter $(comp),gcc clang mingw icx))
 		CXXFLAGS += -mbmi2
 	endif
 endif
 
-### 3.7.1 Try to include git commit sha for versioning
-GIT_SHA = $(shell git rev-parse --short HEAD 2>/dev/null)
+### 3.8.1 Try to include git commit sha for versioning
+GIT_SHA = $(shell git rev-parse HEAD 2>/dev/null | cut -c 1-8)
 ifneq ($(GIT_SHA), )
-	CXXFLAGS += -DGIT_SHA=\"$(GIT_SHA)\"
+	CXXFLAGS += -DGIT_SHA=$(GIT_SHA)
 endif
 
-### 3.7.2 Try to include git commit date for versioning
+### 3.8.2 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=\"$(GIT_DATE)\"
+	CXXFLAGS += -DGIT_DATE=$(GIT_DATE)
+endif
+
+### 3.8.3 Try to include architecture
+ifneq ($(ARCH), )
+	CXXFLAGS += -DARCH=$(ARCH)
 endif
 
-### 3.8 Link Time Optimization
+### 3.9 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 ($(comp),clang)
+	ifeq ($(comp),$(filter $(comp),clang icx))
 		CXXFLAGS += -flto=full
+		ifeq ($(comp),icx)
+			CXXFLAGS += -fwhole-program-vtables
+                endif
 		ifeq ($(target_windows),yes)
 			CXXFLAGS += -fuse-ld=lld
 		endif
@@ -746,7 +754,7 @@ ifeq ($(debug), no)
 endif
 endif
 
-### 3.9 Android 5 can only run position independent executables. Note that this
+### 3.10 Android 5 can only run position independent executables. Note that this
 ### breaks Android 4.0 and earlier.
 ifeq ($(OS), Android)
 	CXXFLAGS += -fPIE
@@ -757,12 +765,11 @@ endif
 ### Section 4. Public Targets
 ### ==========================================================================
 
-
 help:
 	@echo ""
 	@echo "To compile stockfish, type: "
 	@echo ""
-	@echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"
+	@echo "make -j target [ARCH=arch] [COMP=compiler] [COMPCXX=cxx]"
 	@echo ""
 	@echo "Supported targets:"
 	@echo ""
@@ -776,6 +783,7 @@ help:
 	@echo ""
 	@echo "Supported archs:"
 	@echo ""
+	@echo "native                  > select the best architecture for the host processor (default)"
 	@echo "x86-64-vnni512          > x86 64-bit with vnni 512bit support"
 	@echo "x86-64-vnni256          > x86 64-bit with vnni 512bit support, limit operands to 256bit wide"
 	@echo "x86-64-avx512           > x86 64-bit with avx512 support"
@@ -783,13 +791,13 @@ help:
 	@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-modern           > deprecated, 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-sse3-popcnt      > x86 64-bit with sse3 compile 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 "x86-32                  > x86 32-bit generic (with mmx compile support)"
 	@echo "ppc-64                  > PPC 64-bit"
 	@echo "ppc-32                  > PPC 32-bit"
 	@echo "armv7                   > ARMv7 32-bit"
@@ -804,37 +812,38 @@ help:
 	@echo ""
 	@echo "Supported compilers:"
 	@echo ""
-	@echo "gcc                     > Gnu compiler (default)"
-	@echo "mingw                   > Gnu compiler with MinGW under Windows"
+	@echo "gcc                     > GNU compiler (default)"
+	@echo "mingw                   > GNU compiler with MinGW under Windows"
 	@echo "clang                   > LLVM Clang compiler"
-	@echo "icc                     > Intel compiler"
+	@echo "icx                     > Intel oneAPI DPC++/C++ 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 one of: "
 	@echo ""
 	@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-sse41-popcnt  # 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: "
 	@echo ""
-	@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 profile-build ARCH=x86-64-avxvnni"
+	@echo "make -j profile-build ARCH=x86-64-avxvnni COMP=gcc COMPCXX=g++-12.0"
 	@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
+ifneq ($(SUPPORTED_ARCH), true)
 	@echo "Specify a supported architecture with the ARCH option for more details"
 	@echo ""
 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 FORCE
+.PHONY: help analyze build profile-build strip install clean net \
+	objclean profileclean config-sanity \
+	icx-profile-use icx-profile-make \
+	gcc-profile-use gcc-profile-make \
+	clang-profile-use clang-profile-make FORCE
+
+analyze: net config-sanity objclean
+	$(MAKE) -k ARCH=$(ARCH) COMP=$(COMP) $(OBJS)
 
 build: net config-sanity
 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
@@ -845,7 +854,8 @@ profile-build: net config-sanity objclean profileclean
 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_make)
 	@echo ""
 	@echo "Step 2/4. Running benchmark for pgo-build ..."
-	$(PGOBENCH) 2>&1 | tail -n 4
+	$(PGOBENCH) > PGOBENCH.out 2>&1
+	tail -n 4 PGOBENCH.out
 	@echo ""
 	@echo "Step 3/4. Building optimized executable ..."
 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) objclean
@@ -866,42 +876,6 @@ install:
 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)"
-	$(eval nnuedownloadurl1 := https://tests.stockfishchess.org/api/nn/$(nnuenet))
-	$(eval nnuedownloadurl2 := https://github.com/official-stockfish/networks/raw/master/$(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 "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 "shasum / sha256sum not found, skipping net validation"; \
-        fi
-	@for nnuedownloadurl in "$(nnuedownloadurl1)" "$(nnuedownloadurl2)"; do \
-	   if test -f "$(nnuenet)"; then \
-	      echo "$(nnuenet) available."; \
-	   else \
-	      if [ "x$(curl_or_wget)" != "x" ]; then \
-                 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 \
-	      if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
-	         echo "Removing failed download"; rm -f $(nnuenet); \
-	      else \
-	         echo "Network validated"; break; \
-	      fi; \
-	   fi; \
-	done
-	@if ! test -f "$(nnuenet)"; then \
-	    echo "Failed to download $(nnuenet)."; \
-	fi
-
 # clean binaries and objects
 objclean:
 	@rm -f stockfish stockfish.exe *.o ./syzygy/*.o ./nnue/*.o ./nnue/features/*.o
@@ -909,13 +883,60 @@ objclean:
 # clean auxiliary profiling files
 profileclean:
 	@rm -rf profdir
-	@rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s
+	@rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s PGOBENCH.out
 	@rm -f stockfish.profdata *.profraw
 	@rm -f stockfish.*args*
 	@rm -f stockfish.*lt*
 	@rm -f stockfish.res
 	@rm -f ./-lstdc++.res
 
+# set up shell variables for the net stuff
+netvariables:
+	$(eval nnuenet := $(shell grep EvalFileDefaultName evaluate.h | grep define | sed 's/.*\(nn-[a-z0-9]\{12\}.nnue\).*/\1/'))
+	$(eval nnuedownloadurl1 := https://tests.stockfishchess.org/api/nn/$(nnuenet))
+	$(eval nnuedownloadurl2 := https://github.com/official-stockfish/networks/raw/master/$(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))
+	$(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))
+
+# evaluation network (nnue)
+net: netvariables
+	@echo "Default net: $(nnuenet)"
+	@if [ "x$(curl_or_wget)" = "x" ]; then \
+		echo "Neither curl nor wget is installed. Install one of these tools unless the net has been downloaded manually"; \
+	fi
+	@if [ "x$(shasum_command)" = "x" ]; then \
+		echo "shasum / sha256sum not found, skipping net validation"; \
+	elif test -f "$(nnuenet)"; then \
+		if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
+			echo "Removing invalid network"; rm -f $(nnuenet); \
+		fi; \
+	fi;
+	@for nnuedownloadurl in "$(nnuedownloadurl1)" "$(nnuedownloadurl2)"; do \
+		if test -f "$(nnuenet)"; then \
+			echo "$(nnuenet) available : OK"; break; \
+		else \
+			if [ "x$(curl_or_wget)" != "x" ]; then \
+				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 \
+			if [ "$(nnuenet)" != "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
+				echo "Removing failed download"; rm -f $(nnuenet); \
+			fi; \
+		fi; \
+	done
+	@if ! test -f "$(nnuenet)"; then \
+		echo "Failed to download $(nnuenet)."; \
+	fi;
+	@if [ "x$(shasum_command)" != "x" ]; then \
+		if [ "$(nnuenet)" = "nn-"`$(shasum_command) $(nnuenet) | cut -c1-12`".nnue" ]; then \
+			echo "Network validated"; break; \
+		fi; \
+	fi; \
+
+# default target
 default:
 	help
 
@@ -949,7 +970,9 @@ config-sanity: net
 	@echo "vnni256: '$(vnni256)'"
 	@echo "vnni512: '$(vnni512)'"
 	@echo "neon: '$(neon)'"
+	@echo "dotprod: '$(dotprod)'"
 	@echo "arm_version: '$(arm_version)'"
+	@echo "target_windows: '$(target_windows)'"
 	@echo ""
 	@echo "Flags:"
 	@echo "CXX: $(CXX)"
@@ -978,7 +1001,7 @@ config-sanity: net
 	@test "$(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)" = "gcc" || test "$(comp)" = "icx" || test "$(comp)" = "mingw" || test "$(comp)" = "clang" \
 	|| test "$(comp)" = "armv7a-linux-androideabi16-clang"  || test "$(comp)" = "aarch64-linux-android21-clang"
 
 $(EXE): $(OBJS)
@@ -1016,15 +1039,17 @@ gcc-profile-use:
 	EXTRALDFLAGS='-lgcov' \
 	all
 
-icc-profile-make:
-	@mkdir -p profdir
+icx-profile-make:
 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
-	EXTRACXXFLAGS='-prof-gen=srcpos -prof_dir ./profdir' \
+	EXTRACXXFLAGS='-fprofile-instr-generate ' \
+	EXTRALDFLAGS=' -fprofile-instr-generate' \
 	all
 
-icc-profile-use:
+icx-profile-use:
+	$(XCRUN) llvm-profdata merge -output=stockfish.profdata *.profraw
 	$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \
-	EXTRACXXFLAGS='-prof_use -prof_dir ./profdir' \
+	EXTRACXXFLAGS='-fprofile-instr-use=stockfish.profdata' \
+	EXTRALDFLAGS='-fprofile-use ' \
 	all
 
 .depend: $(SRCS)