detect MAKEFLAGS -j, add it automatically if nonexist.

1 files changed, 5 insertions, 1 deletions

diff --git a/PKGBUILD b/PKGBUILD
index 920168b63cc4..a86ff153709b 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -58,7 +58,11 @@ build() {
   cd "${_srcname}"
 
   make CC=clang nitrous_defconfig
-  make ${MAKEFLAGS} CC=clang bzImage modules
+  makeflags="${MAKEFLAGS}"
+  if [[ "$MAKEFLAGS" != *"-j"* ]]; then
+    makeflags="$makeflags -j$(nproc --all)"
+  fi
+  make ${makeflags} CC=clang bzImage modules
 }
 
 _package() {