diff --git a/harbour/ChangeLog b/harbour/ChangeLog
index b0efa23cc3..ac4ce79fab 100644
--- a/harbour/ChangeLog
+++ b/harbour/ChangeLog
@@ -17,6 +17,13 @@
    past entries belonging to author(s): Viktor Szakats.
 */
 
+2009-09-08 13:25 UTC+0200 Viktor Szakats (harbour.01 syenar.hu)
+  + config/darwin/clang.mk
+    + Added experimental support for clang compiler frontend on
+      Snow Leopard + new XCode systems. (it's unclear which of them
+      exactly is required for this feature)
+    ; TOFIX: '__attribute (( flatten ))' is complained about by clang.
+
 2009-09-08 12:09 UTC+0200 Przemyslaw Czerpak (druzus/at/priv.onet.pl)
   * harbour/source/vm/thread.c
     * removed HB_MT() function body
diff --git a/harbour/config/darwin/clang.mk b/harbour/config/darwin/clang.mk
new file mode 100644
index 0000000000..9c1fab4dbe
--- /dev/null
+++ b/harbour/config/darwin/clang.mk
@@ -0,0 +1,62 @@
+#
+# $Id$
+#
+
+ifeq ($(HB_BUILD_MODE),cpp)
+   HB_CMP := clang
+else
+   HB_CMP := clang
+endif
+
+OBJ_EXT := .o
+LIB_PREF := lib
+LIB_EXT := .a
+
+CC := $(HB_CCACHE) $(HB_CCPREFIX)$(HB_CMP)$(HB_CCPOSTFIX)
+CC_IN := -c
+# NOTE: The ending space after -o is important, please preserve it.
+#       Now solved with '$(subst x,x, )' expression.
+CC_OUT := -o$(subst x,x, )
+
+CPPFLAGS := -I. -I$(HB_INC_COMPILE)
+
+# -fno-common enables building .dylib files
+CFLAGS := -fno-common
+LDFLAGS :=
+
+ifneq ($(HB_BUILD_WARN),no)
+   CFLAGS += -Wall -W
+endif
+
+ifneq ($(HB_BUILD_OPTIM),no)
+   CFLAGS += -O3
+endif
+
+ifeq ($(HB_BUILD_DEBUG),yes)
+   CFLAGS += -g
+endif
+
+# It's to avoid warning message generated when 'long double' is used
+# remove it if you have newer compiler version
+#CFLAGS += -Wno-long-double
+
+LD := $(HB_CCACHE) $(HB_CCPREFIX)$(HB_CMP)$(HB_CCPOSTFIX)
+LD_OUT := -o$(subst x,x, )
+
+LIBPATHS := $(LIB_DIR)
+
+LDLIBS := $(foreach lib,$(LIBS) $(SYSLIBS),-l$(lib))
+LDFLAGS += $(foreach dir,$(LIBPATHS) $(SYSLIBPATHS),-L$(dir))
+
+AR := libtool
+ARFLAGS :=
+AR_RULE = $(AR) -static $(ARFLAGS) $(HB_USER_AFLAGS) -o $(LIB_DIR)/$@ $(^F) || ( $(RM) $(LIB_DIR)/$@ && false )
+
+DY := $(AR)
+DFLAGS := -dynamic -flat_namespace -undefined warning -multiply_defined suppress -single_module $(foreach dir,$(SYSLIBPATHS),-L$(dir))
+DY_OUT := -o$(subst x,x, )
+DLIBS := $(foreach lib,$(SYSLIBS),-l$(lib))
+
+DY_RULE = $(DY) $(DFLAGS) -install_name "harbour$(DYN_EXT)" -compatibility_version $(HB_VER_MAJOR).$(HB_VER_MINOR) -current_version $(HB_VER_MAJOR).$(HB_VER_MINOR).$(HB_VER_RELEASE) $(HB_USER_DFLAGS) $(DY_OUT)$(DYN_DIR)/$@ $^ $(DLIBS)
+
+include $(TOP)$(ROOT)config/rules.mk