Build idl files as part of the normal build process.
diff --git a/Makefile.in b/Makefile.in
index c959611..886c56a 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -108,14 +108,17 @@
# Dependencies between directories
all: $(INSTALLSUBDIRS) $(INSTALLBOTHSUBDIRS)
-dlls fonts loader server: libs tools
-programs: dlls libs tools
+dlls: include libs tools
+fonts loader server: libs tools
+programs: dlls include libs tools
+include: libs tools
tools: libs
-dlls/__install-lib__ dlls/__install-dev__: libs tools
+dlls/__install-lib__ dlls/__install-dev__: libs tools include/__install__
+include/__install__: include libs tools
libs/__install-lib__ libs/__install-dev__: libs
fonts/__install__ loader/__install__ server/__install__: libs tools
-programs/__install__: libs tools dlls/__install-lib__
+programs/__install__: libs tools include/__install__ dlls/__install-lib__
tools/__install__: tools
# Test rules