From 74ab8d14904041023bd0b66e05b6560110fc71be Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Fri, 3 Apr 2020 01:14:46 -0400
Subject: toolchain:  Parallelize the toolchain build if possible

Let's actually use those newfangled multicore processors!

Change-Id: Idfc21f10d634b969c49e7f22ab723e48951db0f0
---
 tools/rockboxdev.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/rockboxdev.sh b/tools/rockboxdev.sh
index 4af9acfb37..822a76da9f 100755
--- a/tools/rockboxdev.sh
+++ b/tools/rockboxdev.sh
@@ -29,6 +29,11 @@ else
     make="make"
 fi
 
+parallel=`nproc`
+if [ $parallel -gt 1 ] ; then
+  make_parallel=-j$parallel
+fi
+
 if [ -z $GNU_MIRROR ] ; then
     GNU_MIRROR=http://mirrors.kernel.org/gnu
 fi
@@ -322,7 +327,7 @@ buildtool() {
 
     if [ "$make_opts" != "NO_MAKE" ]; then
         echo "ROCKBOXDEV: $toolname/make"
-        run_cmd "$logfile" $make $make_opts
+        run_cmd "$logfile" $make $make_parallel $make_opts
     fi
 
     if [ "$install_opts" = "" ]; then
@@ -428,7 +433,7 @@ build() {
     esac
 
     echo "ROCKBOXDEV: $toolname/make"
-    $make
+    $make $make_parallel
 
     echo "ROCKBOXDEV: $toolname/make install"
     $make install
-- 
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