cpu_info.cmake

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# Symbols with information about the CPU.

FIND_PROGRAM(GETCONF getconf)
MARK_AS_ADVANCED(GETCONF)

IF(GETCONF AND NOT SOLARIS AND NOT APPLE)
  EXECUTE_PROCESS(
    COMMAND ${GETCONF} LEVEL1_DCACHE_LINESIZE
    OUTPUT_VARIABLE CPU_LEVEL1_DCACHE_LINESIZE
    OUTPUT_STRIP_TRAILING_WHITESPACE
    )
  EXECUTE_PROCESS(
      COMMAND ${GETCONF} PAGE_SIZE
      OUTPUT_VARIABLE CPU_PAGE_SIZE
      OUTPUT_STRIP_TRAILING_WHITESPACE
    )
ENDIF()
IF(CPU_LEVEL1_DCACHE_LINESIZE AND CPU_LEVEL1_DCACHE_LINESIZE GREATER 0)
ELSE()
  SET(CPU_LEVEL1_DCACHE_LINESIZE 64)
ENDIF()
IF(CPU_PAGE_SIZE AND CPU_PAGE_SIZE GREATER 0)
ELSE()
  SET(CPU_PAGE_SIZE 4096)
ENDIF()