### 2.1. General and architecture defaults
ifeq ($(ARCH),)
- ARCH = x86-64-avx2
- help_skip_sanity = yes
+ ARCH = native
endif
+
+ifeq ($(ARCH), native)
+ override ARCH = $(shell ../scripts/get_native_properties.sh | cut -d " " -f 1)
+endif
+
# explicitly check for the list of supported architectures (as listed with make help),
# the user can override with `make ARCH=x86-32-vnni256 SUPPORTED_ARCH=true`
ifeq ($(ARCH), $(filter $(ARCH), \
### Section 4. Public Targets
### ==========================================================================
-
help:
@echo ""
@echo "To compile stockfish, type: "
@echo ""
- @echo "make target ARCH=arch [COMP=compiler] [COMPCXX=cxx]"
+ @echo "make -j target [ARCH=arch] [COMP=compiler] [COMPCXX=cxx]"
@echo ""
@echo "Supported targets:"
@echo ""
@echo ""
@echo "Supported archs:"
@echo ""
+ @echo "native > select the best architecture for the host processor (default)"
@echo "x86-64-vnni512 > x86 64-bit with vnni 512bit support"
@echo "x86-64-vnni256 > x86 64-bit with vnni 512bit support, limit operands to 256bit wide"
@echo "x86-64-avx512 > x86 64-bit with avx512 support"
@echo "make -j profile-build ARCH=x86-64-avxvnni COMP=gcc COMPCXX=g++-12.0"
@echo "make -j build ARCH=x86-64-ssse3 COMP=clang"
@echo ""
- @echo "-------------------------------"
-ifeq ($(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