Merge from bittboy/buildroot@db180c0

support/dependencies/check-host-make.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# prevent shift error
+[ $# -lt 2 ] && exit 1
+
+major_min="${1%.*}"
+minor_min="${1#*.}"
+
+shift
+
+# The host make program is already checked by dependencies.sh but we
+# want to check the version number even if Buildroot is able to use
+# GNU make >= 3.81 but some packages may require a more recent version.
+make="$1"
+
+# Output of 'make --version' examples:
+# GNU Make 4.2.1
+# GNU Make 4.0
+# GNU Make 3.81
+version=`$make --version 2>&1 | sed -e 's/^.* \([0-9\.]\)/\1/g' -e 's/[-\
+].*//g' -e '1q'`
+
+major=`echo "$version" | cut -d. -f1`
+minor=`echo "$version" | cut -d. -f2`
+
+if [ $major -lt $major_min ]; then
+	# echo nothing: no suitable make found
+	exit 1
+fi
+
+if [ $major -eq $major_min -a $minor -lt $minor_min ]; then
+	# echo nothing: no suitable make found
+	exit 1
+fi
+
+# valid
+echo $make