Add pip-micropython to unix make install.

Also add -t/--target option to pip-micropython to allowing installing to
the pyboard.

Thanks to turbinenreiter/Sebastian Plamauer for the patch.

tools/pip-micropython

@@ -5,19 +5,34 @@
 # complete library snapshot to be deployed on a device for baremetal
 # ports (if PIP_MICROPY_DEST environment var is set).
 #
+# Currently supported usage:
+#
+# pip-micropython install [-t/--target <dir>] <packages>
 
+# parse command
 if [ "$1" != "install" ]; then
     echo "Only install command is supported currently"
     exit 1
 fi
 shift
 
+# parse options
+targetdest=''
+if [ "$1" == "-t" -o "$1" == "--target" ]; then
+    targetdest="$2"
+    shift
+    shift
+fi
+
 if [ -z "$TMPDIR" ]; then
     TMPDIR=/tmp
 fi
 TMPVENV="$TMPDIR/pip-micropy-venv"
 
-if [ -n "$PIP_MICROPY_DEST" ]; then
+if [ -n "$targetdest" ]; then
+    dest="$targetdest"
+    echo "Destination snapshot directory: $dest"
+elif [ -n "$PIP_MICROPY_DEST" ]; then
     dest="$PIP_MICROPY_DEST"
     echo "Destination snapshot directory: $dest"
 elif [ -n "$MICROPYPATH" ]; then

unix/Makefile

@@ -106,10 +106,14 @@ test: $(PROG) ../tests/run-tests
 TARGET = micropython
 PREFIX = $(DESTDIR)/usr/local
 BINDIR = $(PREFIX)/bin
+PIPSRC = ../tools/pip-micropython
+PIPTARGET = pip-micropython
 
 install: micropython
 	install -D $(TARGET) $(BINDIR)/$(TARGET)
+	install -D $(PIPSRC) $(BINDIR)/$(PIPTARGET)
 
 # uninstall micropython
 uninstall:
 	-rm $(BINDIR)/$(TARGET)
+	-rm $(BINDIR)/$(PIPTARGET)