From 8249039087290abbf0d7afb449410d2695c2bb15 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 3 Apr 2011 02:07:59 +0000
Subject: build: do not use shell calls to export empty opkg control files,
 speeds up package build and fixes some "Argument list too long" errors Patch
 by Thomas Langer from #8450

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26431 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/package-ipkg.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/package-ipkg.mk b/include/package-ipkg.mk
index 2360ac4d4e..9cccff261a 100644
--- a/include/package-ipkg.mk
+++ b/include/package-ipkg.mk
@@ -28,8 +28,10 @@ IPKG_BUILD:= \
 IPKG_STATE_DIR:=$(TARGET_DIR)/usr/lib/opkg
 
 define BuildIPKGVariable
+ifdef Package/$(1)/$(2)
   $(call shexport,Package/$(1)/$(2))
   $(1)_COMMANDS += $(SH_FUNC) var2file "$(call shvar,Package/$(1)/$(2))" $(2);
+endif
 endef
 
 PARENL :=(
-- 
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