src_dir="$(dirname "$(readlink -f "$0")")"
host_arch=$(uname -m)
arch=${host_arch}
+native_only=no
wipe=no
args=()
--build-dir, -b Build directory
--install-dir, -i Install directory
--build-type, -t Build type (release, debug, ...)
+ --native-only, -n Only compile for Native CPU (no multiarch)
--wipe, -w Wipe whole repo (except startup.* files)
__EOF__
}
exit 1
fi
;;
+ -n|--native-only)
+ native_only=yes
+ shift 1
+ ;;
-w|--wipe)
wipe=yes
shift 1
args+=("-DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=ON")
args+=("-DCMAKE_INSTALL_PREFIX=${install_dir}")
args+=("-DCMAKE_BUILD_TYPE:STRING=${build_type}")
+[ "${native_only}" == "yes" ] && args+=("-DVPP_BUILD_NATIVE_ONLY:BOOL=ON")
[ "${wipe}" == "yes" ] && git clean -fdx --exclude=startup.\*
pr("Prefix path" ${CMAKE_PREFIX_PATH})
pr("Install prefix" ${CMAKE_INSTALL_PREFIX})
pr("Library dir" ${VPP_LIBRARY_DIR})
+pr("Multiarch variants" ${MARCH_VARIANTS_NAMES})
##############################################################################
# CPU optimizations and multiarch support
##############################################################################
+
+option(VPP_BUILD_NATIVE_ONLY "Build only for native CPU." OFF)
+
+if(VPP_BUILD_NATIVE_ONLY)
+ check_c_compiler_flag("-march=native" compiler_flag_march_native)
+ if(NOT compiler_flag_march_native)
+ message(FATAL_ERROR "Native-only build not supported by compiler")
+ endif()
+endif()
+
macro(add_vpp_march_variant v)
cmake_parse_arguments(ARG
"OFF"
endif()
if (VPP_MARCH_VARIANT_${uv})
list(APPEND MARCH_VARIANTS "${v}\;${fs}")
+ list(APPEND MARCH_VARIANTS_NAMES "${v}")
else()
list(APPEND MARCH_VARIANTS_DISABLED "${v}\;${fs}")
endif()
endif()
endmacro()
-if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
+if(VPP_BUILD_NATIVE_ONLY)
+ set(VPP_DEFAULT_MARCH_FLAGS -march=native)
+ set(MARCH_VARIANTS_NAMES "native-only")
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
set(VPP_DEFAULT_MARCH_FLAGS -march=corei7 -mtune=corei7-avx)
add_vpp_march_variant(hsw