From 7f653a87f7619345a5f812b01e27e873493138db Mon Sep 17 00:00:00 2001
From: Xiang Xiao <xiaoxiang@xiaomi.com>
Date: Tue, 29 Oct 2019 07:55:02 -0600
Subject: [PATCH] Makefile: Fix warning: jobserver unavailable: using -j1.  Add
 '+' to parent make rule.

---
 Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 3d3a301e3..8d59176db 100644
--- a/Makefile
+++ b/Makefile
@@ -52,13 +52,13 @@ all: $(BIN)
 .PRECIOUS: $(BIN)
 
 define MAKE_template
-	$(Q) cd $(1) && $(MAKE) $(2) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"
+	+$(Q) $(MAKE) -C $(1) $(2) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"
 
 endef
 
 define SDIR_template
 $(1)_$(2):
-	$(Q) cd $(1) && $(MAKE) $(2) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"
+	+$(Q) $(MAKE) -C $(1) $(2) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"
 
 endef