From d4d2f8cb6142531b180dc4d7e40709c35cfbd60a Mon Sep 17 00:00:00 2001
From: Timothy Pearson <tpearson@raptorengineeringinc.com>
Date: Thu, 17 Mar 2016 18:41:01 -0400
Subject: helpers/build/crossgcc: Honor NPROC environment variable

---
(limited to 'resources/scripts/helpers')

diff --git a/resources/scripts/helpers/build/module/crossgcc b/resources/scripts/helpers/build/module/crossgcc
index 801cd5e..7a23e39 100755
--- a/resources/scripts/helpers/build/module/crossgcc
+++ b/resources/scripts/helpers/build/module/crossgcc
@@ -24,14 +24,26 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+if [ -z ${NPROC+x} ]; then
+    cores="$(nproc)"
+else
+    case ${NPROC} in
+        ''|*[!0-9]*)
+            printf "value '%s' for NPROC is invalid. non-numeric. Exiting.\n" "${NPROC}"
+            exit 1
+            ;;
+    esac
+    cores="${NPROC}"
+fi
+
 (
 cd "crossgcc/"
 if [ $# -lt 1 ]; then
-    make crossgcc-i386
-    make crossgcc-arm
+    make crossgcc-i386 CPUS=${cores}
+    make crossgcc-arm CPUS=${cores}
 else
     for architecture in "${@}"; do
-        make crossgcc-${architecture}
+        make crossgcc-${architecture} CPUS=${cores}
     done
 fi
 )
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