CHECK_INCLUDE_FILE("execinfo.h" HAVE_EXECINFO_H)
CHECK_INCLUDE_FILE("signal.h" HAVE_SIGNAL_H)
CHECK_INCLUDE_FILE("sys/time.h" HAVE_SYS_TIME_H)
CHECK_INCLUDE_FILE("execinfo.h" HAVE_EXECINFO_H)
CHECK_INCLUDE_FILE("signal.h" HAVE_SIGNAL_H)
CHECK_INCLUDE_FILE("sys/time.h" HAVE_SYS_TIME_H)