Fix random moves when time < 10ms

[stockfish] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index 7ddb643c11710713b2b782d4a4dfc8203577c928..860b146a4fbe88a6a6aab515da073e6d6b153f9e 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -34,8 +34,9 @@ ifeq ($(UNAME),Haiku)
 endif
 BINDIR = $(PREFIX)/bin
 
-### Built-in benchmark for pgo-builds
+### Built-in benchmark for pgo-builds and signature
 PGOBENCH = ./$(EXE) bench 32 1 10 default depth
+SIGNBENCH = ./$(EXE) bench
 
 ### Object files
 OBJS = benchmark.o bitbase.o bitboard.o book.o endgame.o evaluate.o main.o \
@@ -262,9 +263,12 @@ endif
 
 ### On mingw use Windows threads, otherwise POSIX
 ifneq ($(comp),mingw)
-       # Haiku has pthreads in its libroot, so only link it in on other platforms
-       ifneq ($(UNAME),Haiku)
-               LDFLAGS += -lpthread
+       # On Android Bionic's C library comes with its own pthread implementation bundled in
+       ifneq ($(arch),armv7)
+               # Haiku has pthreads in its libroot, so only link it in on other platforms
+               ifneq ($(UNAME),Haiku)
+                       LDFLAGS += -lpthread
+               endif
        endif
 endif
 
@@ -276,7 +280,7 @@ endif
 ifeq ($(debug),no)
        CXXFLAGS += -DNDEBUG
 else
-       CXXFLAGS += -g 
+       CXXFLAGS += -g
 endif
 
 ### 3.5 Optimization
@@ -295,7 +299,7 @@ ifeq ($(optimize),yes)
                endif
 
                ifeq ($(arch),armv7)
-                       CXXFLAGS += -fno-gcse
+                       CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
                endif
        endif
 
@@ -379,44 +383,46 @@ help:
        @echo ""
        @echo "Supported targets:"
        @echo ""
-       @echo "build                > Build unoptimized version"
-       @echo "profile-build        > Build PGO-optimized version"
-       @echo "strip                > Strip executable"
-       @echo "install              > Install executable"
-       @echo "clean                > Clean up"
-       @echo "testrun              > Make sample run"
+       @echo "build                   > Standard build"
+       @echo "signature-build         > Standard build with embedded signature"
+       @echo "profile-build           > PGO build"
+       @echo "signature-profile-build > PGO build with embedded signature"
+       @echo "strip                   > Strip executable"
+       @echo "install                 > Install executable"
+       @echo "clean                   > Clean up"
        @echo ""
        @echo "Supported archs:"
        @echo ""
-       @echo "x86-64               > x86 64-bit"
-       @echo "x86-64-modern        > x86 64-bit with runtime support for popcnt instruction"
-       @echo "x86-32               > x86 32-bit excluding old hardware without SSE-support"
-       @echo "x86-32-old           > x86 32-bit including also very old hardware"
-       @echo "osx-ppc-64           > PPC-Mac OS X 64 bit"
-       @echo "osx-ppc-32           > PPC-Mac OS X 32 bit"
-       @echo "osx-x86-64           > x86-Mac OS X 64 bit"
-       @echo "osx-x86-32           > x86-Mac OS X 32 bit"
-       @echo "armv7                > ARMv7 32 bit"
-       @echo "general-64           > unspecified 64-bit"
-       @echo "general-32           > unspecified 32-bit"
+       @echo "x86-64                  > x86 64-bit"
+       @echo "x86-64-modern           > x86 64-bit with popcnt support"
+       @echo "x86-32                  > x86 32-bit with SSE support"
+       @echo "x86-32-old              > x86 32-bit fall back for old hardware"
+       @echo "osx-ppc-64              > PPC-Mac OS X 64 bit"
+       @echo "osx-ppc-32              > PPC-Mac OS X 32 bit"
+       @echo "osx-x86-64              > x86-Mac OS X 64 bit"
+       @echo "osx-x86-32              > x86-Mac OS X 32 bit"
+       @echo "armv7                   > ARMv7 32 bit"
+       @echo "general-64              > unspecified 64-bit"
+       @echo "general-32              > unspecified 32-bit"
        @echo ""
-       @echo "Supported comps:"
+       @echo "Supported compilers:"
        @echo ""
-       @echo "gcc                  > Gnu compiler (default)"
-       @echo "icc                  > Intel compiler"
-       @echo "mingw                > Gnu compiler with MinGW under Windows"
-       @echo "clang                > LLVM Clang compiler"
+       @echo "gcc                     > Gnu compiler (default)"
+       @echo "mingw                   > Gnu compiler with MinGW under Windows"
+       @echo "clang                   > LLVM Clang compiler"
+       @echo "icc                     > Intel compiler"
        @echo ""
        @echo "Non-standard targets:"
        @echo ""
-       @echo "make hpux           >  Compile for HP-UX. Compiler = aCC"
+       @echo "make hpux               >  Compile for HP-UX. Compiler = aCC"
        @echo ""
        @echo "Examples. If you don't know what to do, you likely want to run: "
        @echo ""
-       @echo "make profile-build ARCH=x86-64    (This is for 64-bit systems)"
-       @echo "make profile-build ARCH=x86-32    (This is for 32-bit systems)"
+       @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 ""
 
+.PHONY: build profile-build embed-signature
 build:
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) config-sanity
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
@@ -441,6 +447,18 @@ profile-build:
        @echo "Step 4/4. Deleting profile data ..."
        $(MAKE) ARCH=$(ARCH) COMP=$(COMP) $(profile_clean)
 
+embed-signature:
+       @echo "Running benchmark for getting the signature ..."
+       @$(SIGNBENCH) 2>&1 | sed -n 's/Nodes searched  : \(.*\)/\/string Version\/s\/"\\(.*\\)"\/"sig-\1"\//p' > sign.txt
+       @sed -f sign.txt misc.cpp > misc2.cpp
+       @mv misc2.cpp misc.cpp
+       @rm sign.txt
+
+signature-build: build embed-signature
+       $(MAKE) ARCH=$(ARCH) COMP=$(COMP) all
+
+signature-profile-build: build embed-signature profile-build
+
 strip:
        strip $(EXE)
 
@@ -452,9 +470,6 @@ install:
 clean:
        $(RM) $(EXE) $(EXE).exe *.o .depend *~ core bench.txt *.gcda
 
-testrun:
-       @$(PGOBENCH)
-
 default:
        help