if(CMAKE_CROSSCOMPILING)
message(STATUS "Cross-compiling - cache line size detection disabled")
set(VPP_LOG2_CACHE_LINE_SIZE 6)
+elseif(DEFINED VPP_LOG2_CACHE_LINE_SIZE)
+ # Cache line size assigned via cmake args
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
file(READ "/proc/cpuinfo" cpuinfo)
string(REPLACE "\n" ";" cpuinfo ${cpuinfo})
list(APPEND MARCH_VARIANTS "avx2\;-march=core-avx2 -mtune=core-avx2")
endif()
check_c_compiler_flag("-march=skylake-avx512" compiler_flag_march_skylake_avx512)
+ check_c_compiler_flag("-march=icelake-client" compiler_flag_march_icelake_client)
if(compiler_flag_march_skylake_avx512)
list(APPEND MARCH_VARIANTS "avx512\;-march=skylake-avx512 -mtune=skylake-avx512")
endif()
endif()
check_c_compiler_flag("-march=armv8.1-a+crc+crypto -mtune=thunderx2t99" compiler_flag_march_thunderx2t99)
if(compiler_flag_march_thunderx2t99)
- if (CMAKE_C_COMPILER_VERSION VERSION_GREATER 7.3)
+ if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.3))
list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -mtune=thunderx2t99 -DCLIB_N_PREFETCHES=8")
else()
list(APPEND MARCH_VARIANTS "thunderx2t99\;-march=armv8.1-a+crc+crypto -DCLIB_N_PREFETCHES=8")
set(l ${lib}_${VARIANT})
add_library(${l} OBJECT ${ARGN})
set_target_properties(${l} PROPERTIES POSITION_INDEPENDENT_CODE ON)
- target_compile_options(${l} PUBLIC "-DCLIB_MARCH_VARIANT=${VARIANT}" -Wall -fno-common)
+ target_compile_options(${l} PUBLIC "-DCLIB_MARCH_VARIANT=${VARIANT}")
separate_arguments(VARIANT_FLAGS)
target_compile_options(${l} PUBLIC ${VARIANT_FLAGS})
target_sources(${lib} PRIVATE $<TARGET_OBJECTS:${l}>)