Support the configure option --enable-native-libs

lib/compiler/src/Makefile

@@ -1,19 +1,19 @@
 #
 # %CopyrightBegin%
-# 
-# Copyright Ericsson AB 1996-2009. All Rights Reserved.
-# 
+#
+# Copyright Ericsson AB 1996-2010. All Rights Reserved.
+#
 # The contents of this file are subject to the Erlang Public License,
 # Version 1.1, (the "License"); you may not use this file except in
 # compliance with the License. You should have received a copy of the
 # Erlang Public License along with this software. If not, it can be
 # retrieved online at http://www.erlang.org/.
-# 
+#
 # Software distributed under the License is distributed on an "AS IS"
 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 # the License for the specific language governing rights and limitations
 # under the License.
-# 
+#
 # %CopyrightEnd%
 #
 
@@ -114,6 +114,9 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 # FLAGS
 # ----------------------------------------------------
 
+ifeq ($(NATIVE_LIBS_ENABLED),yes)
+ERL_COMPILE_FLAGS += +native
+endif
 ERL_COMPILE_FLAGS += +inline +warn_unused_import -I../../stdlib/include -I$(EGEN) -W
 
 # ----------------------------------------------------

lib/kernel/src/Makefile

@@ -143,6 +143,9 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 # FLAGS
 # ----------------------------------------------------
 
+ifeq ($(NATIVE_LIBS_ENABLED),yes)
+ERL_COMPILE_FLAGS += +native
+endif
 ERL_COMPILE_FLAGS += -I../include
 
 # ----------------------------------------------------

lib/stdlib/src/Makefile

@@ -146,6 +146,9 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 # FLAGS
 # ----------------------------------------------------
 
+ifeq ($(NATIVE_LIBS_ENABLED),yes)
+ERL_COMPILE_FLAGS += +native
+endif
 ERL_COMPILE_FLAGS += -I../include -I../../kernel/include
 
 # ----------------------------------------------------