Turn on atomic uncollectable functionality by default (CMake)

* CMakeLists.txt (enable_atomic_uncollectable): New OPTION (on by
default).
* CMakeLists.txt [enable_atomic_uncollectable]
(GC_ATOMIC_UNCOLLECTABLE): Define macro.

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 483941afa7e91f8382591ba4226cbaf2a36eeccd..65e3e653d20217633b313e61c6fbe4c9c539e3a7 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -160,6 +160,11 @@ IF(enable_java_finalization)
     ADD_DEFINITIONS("-DJAVA_FINALIZATION")
 ENDIF(enable_java_finalization)
 
+OPTION(enable_atomic_uncollectable "Support for atomic uncollectible allocation" ON)
+IF(enable_atomic_uncollectable)
+    ADD_DEFINITIONS("-DGC_ATOMIC_UNCOLLECTABLE")
+ENDIF(enable_atomic_uncollectable)
+
 OPTION(enable_gc_debug "Support for pointer back-tracing" NO)
 IF(enable_gc_debug)
     ADD_DEFINITIONS("-DDBG_HDRS_ALL -DKEEP_BACK_PTRS")