--- old/make/linux/makefiles/debug.make	2013-07-03 14:21:07.624567225 -0400
+++ new/make/linux/makefiles/debug.make	2013-07-03 14:21:06.854379809 -0400
@@ -31,6 +31,9 @@
 # _NMT_NOINLINE_ informs NMT that no inlining by Compiler
 CFLAGS += $(DEBUG_CFLAGS/BYFILE) -D_NMT_NOINLINE_
 
+# Frame pointer will always be present so native stack walking is supported.
+CFLAGS += -DPLATFORM_NATIVE_STACK_WALKING_SUPPORTED=1
+
 # Set the environment variable HOTSPARC_GENERIC to "true"
 # to inhibit the effect of the previous line on CFLAGS.
 
--- old/make/linux/makefiles/vm.make	2013-07-03 14:21:10.125196002 -0400
+++ new/make/linux/makefiles/vm.make	2013-07-03 14:21:09.590558460 -0400
@@ -46,6 +46,7 @@
   include $(MAKEFILES_DIR)/zeroshark.make
 else
   include $(MAKEFILES_DIR)/$(BUILDARCH).make
+  -include $(HS_ALT_MAKE)/$(Platform_os_family)/makefiles/$(BUILDARCH).make
 endif
 
 # set VPATH so make knows where to look for source files
--- old/src/share/vm/services/memTracker.cpp	2013-07-03 14:21:13.424551008 -0400
+++ new/src/share/vm/services/memTracker.cpp	2013-07-03 14:21:12.776169928 -0400
@@ -80,13 +80,13 @@
   } else if (strcmp(option_line, "=detail") == 0) {
     // detail relies on a stack-walking ability that may not
     // be available depending on platform and/or compiler flags
-    if (PLATFORM_NMT_DETAIL_SUPPORTED) {
+#if PLATFORM_NATIVE_STACK_WALKING_SUPPORTED
       _tracking_level = NMT_detail;
-    } else {
+#else
       jio_fprintf(defaultStream::error_stream(),
-        "NMT detail is not supported on this platform.  Using NMT summary instead.");
+        "NMT detail is not supported on this platform.  Using NMT summary instead.\n");
       _tracking_level = NMT_summary;
-    }
+#endif
   } else if (strcmp(option_line, "=off") != 0) {
     vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL);
   }
--- old/src/share/vm/utilities/globalDefinitions.hpp	2013-07-03 14:21:16.297174305 -0400
+++ new/src/share/vm/utilities/globalDefinitions.hpp	2013-07-03 14:21:15.358741365 -0400
@@ -381,12 +381,12 @@
 #endif
 
 /*
- * If a platform does not support NMT_detail
+ * If a platform does not support native stack walking
  * the platform specific globalDefinitions (above)
- * can set PLATFORM_NMT_DETAIL_SUPPORTED to false
+ * can set PLATFORM_NATIVE_STACK_WALKING_SUPPORTED to 0
  */
-#ifndef PLATFORM_NMT_DETAIL_SUPPORTED
-#define PLATFORM_NMT_DETAIL_SUPPORTED true
+#ifndef PLATFORM_NATIVE_STACK_WALKING_SUPPORTED
+#define PLATFORM_NATIVE_STACK_WALKING_SUPPORTED 1
 #endif
 
 // The byte alignment to be used by Arena::Amalloc.  See bugid 4169348.