Build the .h files from their idl source at compile time, and remove
them from CVS.

diff --git a/Makefile.in b/Makefile.in
index 886c56a..8b2eff1 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -121,6 +121,21 @@
 programs/__install__: libs tools include/__install__ dlls/__install-lib__
 tools/__install__: tools
 
+# Dependencies rules
+
+$(SUBDIRS:%=%/__depend__): idl
+
+idl: $(WIDL) dummy
+	cd include && $(MAKE) all
+
+$(WIDL): $(TOOLSDIR)/libs/libwpp.a $(TOOLSDIR)/libs/libwine_port.a
+	cd $(TOOLSDIR)/tools/widl && $(MAKE) `basename $@`
+
+$(TOOLSDIR)/libs/libwpp.a $(TOOLSDIR)/libs/libwine_port.a:
+	cd $(TOOLSDIR)/libs && $(MAKE) `basename $@`
+
+.PHONY: idl
+
 # Test rules
 
 checklink:: $(TESTSUBDIRS:%=%/__checklink__)