From 0bad3e5c0f96b77d320b2174acfc93c224e1b10c Mon Sep 17 00:00:00 2001
From: Yann Collet <cyan@fb.com>
Date: Mon, 18 Jan 2021 11:33:03 -0800
Subject: [PATCH] parallel make build on linux

fix #2474
---
 lib/Makefile      | 2 +-
 programs/Makefile | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Makefile b/lib/Makefile
index a3b2ee740..9a3cc0096 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -208,7 +208,7 @@ else
 endif
 
 SET_CACHE_DIRECTORY = \
-	$(MAKE) --no-print-directory $@ \
+   +$(MAKE) --no-print-directory $@ \
     BUILD_DIR=obj/$(HASH_DIR) \
     CPPFLAGS="$(CPPFLAGS)" \
     CFLAGS="$(CFLAGS)" \
diff --git a/programs/Makefile b/programs/Makefile
index 3eb658f42..b254549bc 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -194,7 +194,7 @@ endif
 endif
 
 SET_CACHE_DIRECTORY = \
-	$(MAKE) --no-print-directory $@ \
+   +$(MAKE) --no-print-directory $@ \
     BUILD_DIR=obj/$(HASH_DIR) \
     CPPFLAGS="$(CPPFLAGS)" \
     CFLAGS="$(CFLAGS)" \