From df3d68c630bd432ef8b2f601c26953ce528bc622 Mon Sep 17 00:00:00 2001
From: Kouhei Sutou <kou@clear-code.com>
Date: Wed, 11 Jul 2018 09:08:03 +0900
Subject: [PATCH] [C++] Stop to use -jN in sub make

It may break parallel build in some cases such as building deb
packages case.
---
 cpp/build-support/build-lz4-lib.sh  | 6 +++++-
 cpp/build-support/build-zstd-lib.sh | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/cpp/build-support/build-lz4-lib.sh b/cpp/build-support/build-lz4-lib.sh
index 8cb5c18782a..d33686655a8 100755
--- a/cpp/build-support/build-lz4-lib.sh
+++ b/cpp/build-support/build-lz4-lib.sh
@@ -18,4 +18,8 @@
 # under the License.
 #
 export CFLAGS="${CFLAGS} -O3 -fPIC"
-make -j4
+if [ -z "$MAKELEVEL" ]; then
+  make -j4
+else
+  make
+fi
diff --git a/cpp/build-support/build-zstd-lib.sh b/cpp/build-support/build-zstd-lib.sh
index 8cb5c18782a..d33686655a8 100755
--- a/cpp/build-support/build-zstd-lib.sh
+++ b/cpp/build-support/build-zstd-lib.sh
@@ -18,4 +18,8 @@
 # under the License.
 #
 export CFLAGS="${CFLAGS} -O3 -fPIC"
-make -j4
+if [ -z "$MAKELEVEL" ]; then
+  make -j4
+else
+  make
+fi