+define Build/Exports/Default
+ $(1) : export ACLOCAL_INCLUDE=$$(foreach p,$$(wildcard $$(STAGING_DIR)/usr/share/aclocal $$(STAGING_DIR)/usr/share/aclocal-* $$(STAGING_DIR)/host/share/aclocal $$(STAGING_DIR)/host/share/aclocal-*),-I $$(p))
+ $(1) : export STAGING_PREFIX=$$(STAGING_DIR)/usr
+ $(1) : export PATH=$$(TARGET_PATH_PKG)
+ $(1) : export CONFIG_SITE:=$$(CONFIG_SITE)
+ $(1) : export PKG_CONFIG_PATH=$$(STAGING_DIR)/usr/lib/pkgconfig
+ $(1) : export PKG_CONFIG_LIBDIR=$$(STAGING_DIR)/usr/lib/pkgconfig