diff --git a/.gitignore b/.gitignore
index a1dcd3a..1e1c8e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 /key.pem
-/src.crx
-/gplusblacklist.crx
+/*.crx
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..126e110
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,40 @@
+CC=coffee
+SRCDIR=src
+BUILDDIR=build
+ALL_SRC_FILES := $(wildcard $(SRCDIR)/*)
+ALL_OTHER_SRC_FILES := $(filter-out %.coffee, $(ALL_SRC_FILES))
+ALL_OTHER_FILES := $(ALL_OTHER_SRC_FILES:$(SRCDIR)/%=$(BUILDDIR)/%)
+
+SRC=$(wildcard $(SRCDIR)/*.coffee)
+BUILD=$(SRC:$(SRCDIR)/%.coffee=$(BUILDDIR)/%.js)
+
+all: other coffee
+
+# coffeescript files
+
+coffee: $(BUILD)
+
+$(BUILDDIR)/%.js: $(SRCDIR)/%.coffee
+	$(CC) -cs < $< > $@
+
+# other files
+
+other: $(ALL_OTHER_FILES)
+
+$(ALL_OTHER_FILES): $(BUILDDIR)/%: $(SRCDIR)/%
+	cp $< $@
+
+# crx building stuff
+
+rsakey: key.pem
+
+crx: gplusblacklist.crx
+
+key.pem:
+	@echo "Generating RSA key in PKCS#8 format."
+	openssl genrsa 4096 | openssl pkcs8 -topk8 -nocrypt -out $@
+
+gplusblacklist.crx: $(ALL_OTHER_FILES) $(BUILD) key.pem
+	google-chrome --pack-extension="$(BUILDDIR)/" --pack-extension-key="key.pem"
+	mv $(BUILDDIR).crx $@
+	-rm libpeerconnection.log
diff --git a/genkey.sh b/genkey.sh
deleted file mode 100755
index 5621cf4..0000000
--- a/genkey.sh
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-# Yes, I'm paranoid!
-echo "Generating RSA key in PKCS#8 format..."
-openssl genrsa 4096 | openssl pkcs8 -topk8 -nocrypt -out key.pem
diff --git a/make.sh b/make.sh
deleted file mode 100755
index c6a98be..0000000
--- a/make.sh
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/bin/sh
-if [ ! -f key.pem ]; then
-    ./genkey.sh
-fi
-
-SRCDIR="src"
-BUILDDIR="build"
-FILENAME="gplusblacklist"
-
-rm $BUILDDIR/*
-
-find "$SRCDIR/" -type f ! -name "*.coffee" -exec cp {} "$BUILDDIR/" \;
-coffee -o "$BUILDDIR/" -c "$SRCDIR/"
-
-NAME=`grep "\"name\":" "$BUILDDIR/manifest.json" | sed -e 's/^.*: "\(.*\)\".*$/\1/'`
-VERSION=`grep "\"version\":" "$BUILDDIR/manifest.json" | sed -e 's/^.*: "\(.*\)\".*$/\1/'`
-OUTPUT="$FILENAME-$VERSION.crx"
-
-if [ -f "$BUILDDIR.crx" ]; then
-    echo "Cleaning up old $BUILDDIR.crx."
-    rm "$BUILDDIR.crx"
-fi
-
-echo "Generating $NAME $VERSION..."
-google-chrome --pack-extension="$BUILDDIR/" --pack-extension-key="key.pem" >/dev/null
-
-if [ ! -f "$BUILDDIR.crx" ]; then
-    echo "ERROR: Could not compile extension!"
-    exit 1
-fi
-
-# rename output file
-mv "$BUILDDIR.crx" "$OUTPUT"
-
-echo "Compiled $OUTPUT ."
-
-# remove Chrome garbage
-if [ -f libpeerconnection.log ]; then
-    rm libpeerconnection.log
-fi