mozjs needs python 2 to for building - added temporary python 2

Makefile

-all:
+all: python mozjs clean
+
+mozjs:
 	dd if=/dev/zero of=swap bs=1048576 count=4096
 	chmod 600 swap
 	mkswap swap
@@ -6,7 +8,7 @@ all:
 
 	tar xf mozjs-60.1.0.tar.bz2
 	mkdir -p mozjs-60.1.0/mozjs-build
-	cd mozjs-60.1.0/mozjs-build && SHELL=/bin/bash ../js/src/configure --prefix=/usr --with-intl-api --with-system-zlib --with-system-icu --disable-jemalloc --enable-readline
+	cd mozjs-60.1.0/mozjs-build && PATH=/build/usr/bin:$$PATH SHELL=/bin/bash ../js/src/configure --prefix=/usr --with-intl-api --with-system-zlib --with-system-icu --disable-jemalloc --enable-readline
 	$(MAKE) -C mozjs-60.1.0/mozjs-build SHELL=/bin/bash
 	strip --strip-debug mozjs-60.1.0/mozjs-build/js/src/build/libjs_static.a
 	strip --strip-debug mozjs-60.1.0/mozjs-build/js/src/build/libmozjs-60.so
@@ -15,3 +17,9 @@ all:
 
 	swapoff swap
 	rm -rf swap
+
+python:
+	$(MAKE) -C ../python temporary
+
+clean:
+	$(MAKE) -C ../python clean