2 files changed, 62 insertions, 0 deletions
diff --git a/package/bsdiff/Config.in b/package/bsdiff/Config.in
new file mode 100644
index 000000000..e9785172f
--- /dev/null
+++ b/package/bsdiff/Config.in
@@ -0,0 +1,9 @@
+config BR2_PACKAGE_BSDIFF
+	bool "bsdiff"
+	default n
+	select BR2_PACKAGE_BZIP2
+	help
+	  Binary patch/diff like xdelta but creates smaller diffs.
+	  Needs bzip2 support.
+
+	  http://www.daemonology.net/bsdiff/
diff --git a/package/bsdiff/bsdiff.mk b/package/bsdiff/bsdiff.mk
new file mode 100644
index 000000000..5fafb10b0
--- /dev/null
+++ b/package/bsdiff/bsdiff.mk
@@ -0,0 +1,53 @@
+#############################################################
+#
+# bsdiff
+#
+#############################################################
+BSDIFF_VERSION:=4.3
+BSDIFF_SOURCE:=bsdiff-$(BSDIFF_VERSION).tar.gz
+BSDIFF_SITE:=http://www.daemonology.net/bsdiff
+BSDIFF_DIR:=$(BUILD_DIR)/bsdiff-$(BSDIFF_VERSION)
+BSDIFF_BINARY:=bsdiff
+BSDIFF_TARGET_BINARY:=usr/bin/bsdiff
+BSDIFF_ZCAT=$(ZCAT)
+
+$(DL_DIR)/$(BSDIFF_SOURCE):
+	$(WGET) -P $(DL_DIR) $(BSDIFF_SITE)/$(BSDIFF_SOURCE)
+
+$(BSDIFF_DIR)/.source: $(DL_DIR)/$(BSDIFF_SOURCE)
+	$(BSDIFF_ZCAT) $(DL_DIR)/$(BSDIFF_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+	touch $(BSDIFF_DIR)/.source
+
+$(BSDIFF_DIR)/$(BSDIFF_BINARY): $(BSDIFF_DIR)/.source
+	(cd $(BSDIFF_DIR) ; \
+		$(TARGET_CONFIGURE_OPTS) \
+		$(TARGET_CC) -L $(STAGING_DIR)/lib -lbz2 \
+			$(TARGET_CFLAGS) bsdiff.c -o bsdiff ; \
+		$(TARGET_CONFIGURE_OPTS) \
+		$(TARGET_CC) -L $(STAGING_DIR)/lib -lbz2 \
+			$(TARGET_CFLAGS) bspatch.c -o bspatch ; \
+	)
+
+$(TARGET_DIR)/$(BSDIFF_TARGET_BINARY): $(BSDIFF_DIR)/$(BSDIFF_BINARY)
+	cp -dpf $(BSDIFF_DIR)/bsdiff $(TARGET_DIR)/usr/bin/.
+	cp -dpf $(BSDIFF_DIR)/bspatch $(TARGET_DIR)/usr/bin/.
+
+bsdiff: uclibc bzip2 $(TARGET_DIR)/$(BSDIFF_TARGET_BINARY)
+
+bsdiff-source: $(DL_DIR)/$(BSDIFF_SOURCE)
+
+bsdiff-clean:
+	-rm $(TARGET_DIR)/usr/bin/{bsdiff,bspatch}
+	-rm $(BSDIFF_DIR)/{bsdiff,bspatch}
+
+bsdiff-dirclean:
+	rm -rf $(BSDIFF_DIR)
+
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(strip $(BR2_PACKAGE_BSDIFF)),y)
+TARGETS+=bsdiff
+endif