From c4734bbb81b95e7ebb0d30a84acfea475214abc0 Mon Sep 17 00:00:00 2001
From: Matt Brubeck <mbrubeck@limpet.net>
Date: Thu, 22 May 2014 10:28:44 -0700
Subject: [PATCH] Rebuild when external dependencies change

Depends on mozilla/servo#2472.
---
 Makefile.in | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile.in b/Makefile.in
index 5836dc6..702f15b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -6,6 +6,7 @@ CXXFLAGS ?=
 AR ?= ar
 RUSTC ?= rustc
 RUSTFLAGS += -L . -L ../libhubbub -L ../../libparserutils/libparserutils
+EXT_DEPS ?=
 
 RUST_SRC=$(shell find $(VPATH)/. -type f -name '*.rs')
 
@@ -15,7 +16,7 @@ all:	librusthubbub.dummy
 %.o:	%.c
 	$(CC) $< -o $@ -c $(CFLAGS)
 
-librusthubbub.dummy: hubbub.rc $(RUST_SRC)
+librusthubbub.dummy: hubbub.rc $(RUST_SRC) $(EXT_DEPS)
 	$(RUSTC) $(RUSTFLAGS) $< --out-dir .
 	touch $@