petitboot: add missing file and fix cflags issues

git-svn-id: svn://svn.openwrt.org/openwrt/packages@13718 3c298f89-4303-0410-b956-a3cf2f4a3e73

utils/petitboot/Makefile

@@ -27,14 +27,18 @@ define Package/petitboot
 endef
 
 define Build/Configure
+
 endef
 
+TARGET_CPPFLAGS += -I$(PKG_BUILD_DIR)
+
 define Build/Compile
 	PKG_CONFIG_PATH="$(STAGING_DIR)/usr/lib/pkgconfig" \
 	PKG_CONFIG_LIBDIR="$(STAGING_DIR)/usr/lib/pkgconfig" \
 	$(MAKE) -C $(PKG_BUILD_DIR) \
 		DESTDIR="$(PKG_INSTALL_DIR)" \
 		$(TARGET_CONFIGURE_OPTS) \
+		CFLAGS="$(TARGET_CPPFLAGS) $(TARGET_CFLAGS)" \
 		all install
 endef
 

utils/petitboot/files/petitboot-wrapper

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# wrapper script for petitboot - re-exec as required.
+mkdir -p /var/tmp/mnt
+
+while :
+do
+	/usr/sbin/petitboot -u >/var/log/petitboot.log 2>&1
+
+	# cleanup
+	for dir in /var/tmp/mnt/*
+	do
+		umount "$dir"
+		rmdir "$dir"
+	done
+done