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
2011-04-03 02:07:59 +00:00 · 2011-04-03 02:07:59 +00:00 · 8249039087
parent 92066048f5
commit 8249039087
1 changed files with 2 additions and 0 deletions
--- 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 :=(