p2pool/tests/cmake/standard.cmake

set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)

if(NOT ARCH_ID)
  if(CMAKE_SYSTEM_PROCESSOR STREQUAL "")
    set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_HOST_SYSTEM_PROCESSOR})
  endif()
  string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" ARCH_ID)
endif()

if (ARCH_ID MATCHES "^(aarch64|arm64|armv8-a)$")
	set(ARMv8 1)
endif()