add dummy nsISupports.idl so that other IDL files can compile

(Windows makefile.win still needed - volunteers welcome!)

xpcom/Makefile.in

@@ -21,7 +21,7 @@ srcdir		= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
 
-DIRS	= public src
+DIRS	= public src idl
 
 ifdef ENABLE_TESTS
 DIRS += tests

xpcom/base/nsISupports.idl

@@ -0,0 +1,9 @@
+native nsQIResult(void *);
+native nsID(nsID *);
+
+[
+	uuid(00000000-0000-0000-c000-000000000046)
+]
+interface nsISupports {
+  void QueryInterface(in nsID uuid, out nsQIResult result);
+};

xpcom/idl/.cvsignore

@@ -0,0 +1 @@
+Makefile

xpcom/idl/Makefile.in

@@ -0,0 +1,30 @@
+#!gmake
+# The contents of this file are subject to the Netscape Public License
+# Version 1.0 (the "NPL"); you may not use this file except in
+# compliance with the NPL.  You may obtain a copy of the NPL at
+# http://www.mozilla.org/NPL/
+#
+# Software distributed under the NPL is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+# for the specific language governing rights and limitations under the
+# NPL.
+#
+# The Initial Developer of this code under the NPL is Netscape
+# Communications Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+# Reserved.
+
+DEPTH		= ../..
+topsrcdir	= @top_srcdir@
+srcdir		= @srcdir@
+VPATH		= @srcdir@
+
+include $(DEPTH)/config/autoconf.mk
+
+IDLSRCS = \
+	nsISupports.idl	\
+	$(NULL)
+
+EXPORTS := $(addprefix $(srcdir)/, $(EXPORTS))
+
+include $(topsrcdir)/config/rules.mk

xpcom/idl/nsISupports.idl

@@ -0,0 +1,9 @@
+native nsQIResult(void *);
+native nsID(nsID *);
+
+[
+	uuid(00000000-0000-0000-c000-000000000046)
+]
+interface nsISupports {
+  void QueryInterface(in nsID uuid, out nsQIResult result);
+};