From 9b7cedd89ba9825f29544cf6606db202fb0c4c49 Mon Sep 17 00:00:00 2001
From: Piotr Esden-Tempski <piotr@esden.net>
Date: Tue, 8 Mar 2011 15:43:43 -0800
Subject: [PATCH] Added option to override the automatic CPU amount detection.

---
 summon-arm-toolchain | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/summon-arm-toolchain b/summon-arm-toolchain
index 3554547..b005afc 100755
--- a/summon-arm-toolchain
+++ b/summon-arm-toolchain
@@ -36,6 +36,8 @@ LIBSTM32_EN=0
 LIBOPENSTM32_EN=1
 # Make the gcc default to Cortex-M3
 DEFAULT_TO_CORTEX_M3=0
+# Override automatic detection of cpus to compile on
+CPUS=
 
 ##############################################################################
 # Parsing command line parameters
@@ -73,6 +75,9 @@ while [ $# -gt 0 ]; do
 		DEFAULT_TO_CORTEX_M3=*)
 		DEFAULT_TO_CORTEX_M3=$(echo $1 | sed 's,^DEFAULT_TO_CORTEX_M3=,,')
 		;;
+		CPUS=*)
+		CPUS=$(echo $1 | sed 's,^CPUS=,,')
+		;;
 		*)
 		echo "Unknown parameter: $1"
 		exit 1
@@ -93,6 +98,7 @@ echo "OOCD_EN=$OOCD_EN"
 echo "LIBSTM32_EN=$LIBSTM32_EN"
 echo "LIBOPENSTM32_EN=$LIBOPENSTM32_EN"
 echo "DEFAULT_TO_CORTEX_M3=$DEFAULT_TO_CORTEX_M3"
+echo "CPUS=$CPUS"
 
 ##############################################################################
 # Version and download url settings section
@@ -123,12 +129,18 @@ LIBOPENSTM32=master
 # Flags section
 ##############################################################################
 
-if which getconf > /dev/null; then
-	CPUS=$(getconf _NPROCESSORS_ONLN)
+if [ "x${CPUS}" == "x" ]; then
+	if which getconf > /dev/null; then
+		CPUS=$(getconf _NPROCESSORS_ONLN)
+	else
+		CPUS=1
+	fi
+
+	PARALLEL=-j$((CPUS + 1))
 else
-	CPUS=1
+	PARALLEL=-j${CPUS}
 fi
-PARALLEL=-j$((CPUS + 1))
+
 echo "${CPUS} cpu's detected running make with '${PARALLEL}' flag"
 
 GDBFLAGS=
-- 
2.30.2