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Remove unneeded compile options.
[stockfish] / src / Makefile
diff --git a/src/Makefile b/src/Makefile
index 935445e052b9cca92eb6469fb82311642de75af6..d6cdeca334c53c49ecb24f282f044ccff1768e25 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -50,7 +50,9 @@ OBJS = benchmark.o bitbase.o bitboard.o endgame.o evaluate.o main.o \
 # ----------------------------------------------------------------------------
 #
 # debug = yes/no      --- -DNDEBUG         --- Enable/Disable debug mode
-# sanitize = yes/no   --- (-fsanitize )    --- enable undefined behavior checks
+# 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
@@ -139,7 +141,7 @@ endif
 
 ### 3.1 Selecting compiler (default = gcc)
 
-CXXFLAGS += -Wall -Wcast-qual -fno-exceptions -fno-rtti -std=c++11 $(EXTRACXXFLAGS)
+CXXFLAGS += -Wall -Wcast-qual -std=c++11 $(EXTRACXXFLAGS)
 DEPENDFLAGS += -std=c++11
 LDFLAGS += $(EXTRALDFLAGS)
 
@@ -155,9 +157,11 @@ ifeq ($(COMP),gcc)
        ifeq ($(ARCH),armv7)
                ifeq ($(OS),Android)
                        CXXFLAGS += -m$(bits)
+                       LDFLAGS += -m$(bits)
                endif
        else
                CXXFLAGS += -m$(bits)
+               LDFLAGS += -m$(bits)
        endif
 
        ifneq ($(KERNEL),Darwin)
@@ -200,6 +204,9 @@ ifeq ($(COMP),clang)
        comp=clang
        CXX=clang++
        CXXFLAGS += -pedantic -Wextra -Wshadow
+ifneq ($(KERNEL),Darwin)
+       LDFLAGS += -latomic
+endif
 
        ifeq ($(ARCH),armv7)
                ifeq ($(OS),Android)
@@ -210,23 +217,19 @@ ifeq ($(COMP),clang)
                CXXFLAGS += -m$(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)
@@ -263,9 +266,9 @@ else
 endif
 
 ### 3.2.2 Debugging with undefined behavior sanitizers
-ifeq ($(sanitize),yes)
-        CXXFLAGS += -g3 -fsanitize=undefined
-        LDFLAGS += -fsanitize=undefined
+ifneq ($(sanitize),no)
+        CXXFLAGS += -g3 -fsanitize=$(sanitize) -fuse-ld=gold
+        LDFLAGS += -fsanitize=$(sanitize) -fuse-ld=gold
 endif
 
 ### 3.3 Optimization
@@ -297,10 +300,8 @@ 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
@@ -424,30 +425,27 @@ help:
        @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)
@@ -457,8 +455,19 @@ install:
        -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
@@ -492,7 +501,7 @@ config-sanity:
        @echo "Testing config sanity. If this fails, try 'make help' ..."
        @echo ""
        @test "$(debug)" = "yes" || test "$(debug)" = "no"
-       @test "$(sanitize)" = "yes" || test "$(sanitize)" = "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"
@@ -506,8 +515,18 @@ config-sanity:
 $(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) \
@@ -521,14 +540,8 @@ gcc-profile-use:
        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
@@ -538,9 +551,6 @@ icc-profile-use:
        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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