diff --git a/config/rules.mk b/config/rules.mk
index ea969bb3c704..b04191cd01b5 100644
--- a/config/rules.mk
+++ b/config/rules.mk
@@ -1504,6 +1504,29 @@ endif
 
 endif # XPIDLSRCS
 
+
+
+#
+# General rules for exporting idl files.
+#
+# WORK-AROUND ONLY, for mozilla/tools/module-deps/bootstrap.pl build.
+# Bug to fix idl dependecy problems w/o this extra build pass is
+#   http://bugzilla.mozilla.org/show_bug.cgi?id=145777
+#
+$(IDL_DIR)::
+	@if test ! -d $@; then echo Creating $@; rm -rf $@; $(NSINSTALL) -D $@; else true; fi
+
+export-idl:: $(XPIDLSRCS) $(SDK_XPIDLSRCS) $(IDL_DIR)
+ifneq ($(XPIDLSRCS),)
+ifndef NO_DIST_INSTALL
+	$(INSTALL) $(IFLAGS1) $^
+endif
+endif
+	+$(LOOP_OVER_DIRS)
+
+
+
+
 ifneq ($(SDK_XPIDLSRCS),)
 # export .idl files to $(IDL_DIR) & $(SDK_IDL_DIR)
 export:: $(IDL_DIR) $(SDK_IDL_DIR)
diff --git a/tools/module-deps/bootstrap.pl b/tools/module-deps/bootstrap.pl
index 718cdda9008b..d8124946ea63 100755
--- a/tools/module-deps/bootstrap.pl
+++ b/tools/module-deps/bootstrap.pl
@@ -382,8 +382,8 @@ sub FindMakefiles {
   chdir("$basedir/mozilla");
 
   # Export-phase first.  Export IDL stuff first to avoid IDL order problems.
-  # system("$makecmd export-idl"); # testing, not part of make system yet.
-  system("$makecmd export");  # run_shell_command("$makecmd export");
+  system("$makecmd export-idl"); # workaround for idl order problems.
+  system("$makecmd export");     # run_shell_command("$makecmd export");
 
   # Libs-phase next.
   system("$makecmd libs");  # run_shell_command("$makecmd libs");