target/sdk: fix parallel build calls

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39912 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/sdk/files/Makefile b/target/sdk/files/Makefile
index a3fefaa..0c27f1a 100644 (file)
--- a/target/sdk/files/Makefile
+++ b/target/sdk/files/Makefile
@@ -19,6 +19,11 @@ include $(TOPDIR)/include/host.mk
 ifneq ($(OPENWRT_BUILD),1)
   override OPENWRT_BUILD=1
   export OPENWRT_BUILD
+
+  empty:=
+  space:= $(empty) $(empty)
+  _SINGLE=export MAKEFLAGS=$(space);
+
   include $(TOPDIR)/include/debug.mk
   include $(TOPDIR)/include/depends.mk
   include $(TOPDIR)/include/toplevel.mk