--- cmake/dtrace.cmake.orig	2020-12-10 13:01:55.000000000 +1000
+++ cmake/dtrace.cmake	2021-12-07 12:56:25.169273000 +1000
@@ -26,7 +26,7 @@
  MARK_AS_ADVANCED(DTRACE)
 
  # On FreeBSD, dtrace does not handle userland tracing yet
- IF(DTRACE AND NOT CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
+ IF(DTRACE AND NOT CMAKE_SYSTEM_NAME MATCHES "FreeBSD" AND NOT CMAKE_SYSTEM_NAME MATCHES "BSDSUniX")
    SET(ENABLE_DTRACE ON CACHE BOOL "Enable dtrace")
  ENDIF()
  SET(HAVE_DTRACE ${ENABLE_DTRACE})
@@ -35,6 +35,7 @@
    OUTPUT_VARIABLE out)
  IF(out MATCHES "Sun D" OR out MATCHES "Oracle D")
    IF(NOT CMAKE_SYSTEM_NAME MATCHES "FreeBSD" AND
+      NOT CMAKE_SYSTEM_NAME MATCHES "BSDSUniX" AND
       NOT CMAKE_SYSTEM_NAME MATCHES "Darwin")
      SET(HAVE_REAL_DTRACE_INSTRUMENTING ON CACHE BOOL "Real DTrace detected")
    ENDIF()