From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Thu, 19 Jan 2017 00:03:32 +0100
Subject: rules.mk: export STAGING_DIR_HOSTPKG

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

diff --git a/rules.mk b/rules.mk
index 95b18f9e5c69de479db54c5bdb740103140dcf74..1b9de5f35e3890c2759ab2cdbd98ac80df942124 100644
--- a/rules.mk
+++ b/rules.mk
@@ -223,7 +223,7 @@ else
 endif
 
 export PATH:=$(TARGET_PATH)
-export STAGING_DIR STAGING_DIR_HOST
+export STAGING_DIR STAGING_DIR_HOST STAGING_DIR_HOSTPKG
 export SH_FUNC:=. $(INCLUDE_DIR)/shell.sh;
 
 PKG_CONFIG:=$(STAGING_DIR_HOST)/bin/pkg-config