Increment minor section number from 3.7.1 to 3.8.1.

[stockfish] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index d6443845477e09b174561b3d2234acc5c95632a6..a59303acd798354a01dd9b0a379d6d2f841a35d7 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -104,9 +104,13 @@ VPATH = syzygy:nnue:nnue/features
 ### 2.1. General and architecture defaults
 
 ifeq ($(ARCH),)
-   ARCH = x86-64-avx2
-   help_skip_sanity = yes
+   ARCH = native
 endif
+
+ifeq ($(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 $(ARCH), \
@@ -699,19 +703,24 @@ ifeq ($(pext),yes)
        endif
 endif
 
-### 3.7.1 Try to include git commit sha for versioning
+### 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)
 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)
 endif
 
-### 3.8 Link Time Optimization
+### 3.8.3 Try to include architecture
+ifneq ($(ARCH), )
+       CXXFLAGS += -DARCH=$(ARCH)
+endif
+
+### 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 ($(optimize),yes)
@@ -746,7 +755,7 @@ ifeq ($(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 +766,11 @@ 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 +784,7 @@ 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"
@@ -804,8 +813,8 @@ 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 "icx                     > Intel oneAPI DPC++/C++ Compiler"
        @echo "ndk                     > Google NDK to cross-compile for Android"
@@ -822,22 +831,21 @@ help:
        @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 \
+.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