libbacktrace.cmake

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SET(VERIFIED_BACKTRACE_PLATFORMS
  FREEBSD
  LINUX
  SOLARIS
  )

UNSET(VERIFIED_BACKTRACE_PLATFORM)
FOREACH(platform ${VERIFIED_BACKTRACE_PLATFORMS})
  IF(${platform})
    MESSAGE(STATUS "Found verified platform ${platform} for libbacktrace")
    SET(VERIFIED_BACKTRACE_PLATFORM ${platform})
    BREAK()
  ENDIF()
ENDFOREACH()

IF(VERIFIED_BACKTRACE_PLATFORM AND NOT WITH_VALGRIND)
  SET(DEFAULT_WITH_EXT_BACKTRACE ON)
ELSE()
  SET(DEFAULT_WITH_EXT_BACKTRACE OFF)
ENDIF()
OPTION(WITH_EXT_BACKTRACE "Use libbacktrace to print stacktraces"
  ${DEFAULT_WITH_EXT_BACKTRACE}
)

FUNCTION(MYSQL_CHECK_BACKTRACE)
  IF(NOT WITH_EXT_BACKTRACE)
    RETURN()
  ENDIF()

  IF(NOT LINUX AND NOT SOLARIS AND NOT FREEBSD)
    MESSAGE(FATAL_ERROR
      "libbacktrace can only be used on linux/solaris/freebsd builds")
  ENDIF()

  IF(VERIFIED_BACKTRACE_PLATFORM)
    MESSAGE(STATUS "Using libbacktrace on ${VERIFIED_BACKTRACE_PLATFORM}")
  ELSE()
    MESSAGE(WARNING "Using libbacktrace on unverified platform")
  ENDIF()

  ADD_SUBDIRECTORY(extra/libbacktrace)
  ADD_LIBRARY(ext::backtrace ALIAS backtrace)
ENDFUNCTION(MYSQL_CHECK_BACKTRACE)