Merge pull request #4554 from DipSwitch/pr/add_dist_teensy_loader

dist: add script to fetch and build teensy_loader_cli

dist/tools/teensy-loader-cli/build.sh

+#!/usr/bin/env sh
+
+#
+# Copyright (c) 2015 Nick v. IJzendoorn <nijzendoorn@engineering-spirit.nl>
+#
+# A simple script to fetch and build the teensy_loader_cli tool used for the
+# Teensy boards.
+# For more information see: https://www.pjrc.com/teensy/loader_cli.html
+#
+
+# get sources from repository
+git clone https://github.com/PaulStoffregen/teensy_loader_cli.git
+cd teensy_loader_cli
+
+# resolv build host in a hacky way
+UNAME=`uname`
+TARGET="WINDOWS";
+if [ "x$UNAME" = "xLinux" ]; then
+    TARGET="LINUX";
+elif [ "x$UNAME" = "xDarwin" ]; then
+    TARGET="MACOSX";
+fi;
+
+# check if the library exists
+if [ "x$TARGET" = "xLINUX" ] && ! ldconfig -p | grep 'libusb' > /dev/null; then
+    echo "please install libusb-dev";
+    exit 1;
+elif [ "x$TARGET" = "xMACOSX" ] && ! pkg-config --list-all | grep 'libusb' > /dev/null; then
+    echo "please install libusb-dev";
+    exit 1;
+elif [ "x$TARGET" = "xWINDOWS" ]; then
+    echo "can't build for windows... yet";
+    exit 1;
+fi;
+
+# build the application
+OS=$TARGET make
+
+# copy the tool to the base directory
+mv teensy_loader_cli ../teensy_loader
+cd ..
+rm -rf teensy_loader_cli