Workaround buggy Linux dtrace - it fails on fedora if CC is set to 'ccache gcc'

cmake/dtrace.cmake

@@ -34,9 +34,15 @@ MACRO(CHECK_DTRACE)
  FIND_PROGRAM(DTRACE dtrace)
  MARK_AS_ADVANCED(DTRACE)
 
+ IF(CMAKE_C_COMPILER MATCHES "ccache" AND CMAKE_SYSTEM_NAME MATCHES "Linux")
+   # dtrace fails on fedora if  CC='ccache gcc' is used
+   SET(BUGGY_LINUX_DTRACE 1)
+ ENDIF()
+
  # On FreeBSD, dtrace does not handle userland tracing yet
  IF(DTRACE AND NOT CMAKE_SYSTEM_NAME MATCHES "FreeBSD"
-     AND NOT BUGGY_GCC_NO_DTRACE_MODULES)
+     AND NOT BUGGY_GCC_NO_DTRACE_MODULES
+     AND NOT BUGGY_LINUX_DTRACE) 
    SET(ENABLE_DTRACE ON CACHE BOOL "Enable dtrace")
  ENDIF()
  SET(HAVE_DTRACE ${ENABLE_DTRACE})