nodejs: Disable v8 warning and set TMPDIR

packages/nodejs/src-node_main.cc.patch

@@ -0,0 +1,21 @@
+diff -u -r ../node-v6.0.0/src/node_main.cc ./src/node_main.cc
+--- ../node-v6.0.0/src/node_main.cc	2016-04-26 15:50:22.000000000 -0400
++++ ./src/node_main.cc	2016-05-02 16:29:08.313594254 -0400
+@@ -1,4 +1,5 @@
+ #include "node.h"
++#include <stdlib.h>
+ 
+ #ifdef _WIN32
+ #include <VersionHelpers.h>
+@@ -50,6 +51,11 @@
+ // UNIX
+ int main(int argc, char *argv[]) {
+   setvbuf(stderr, NULL, _IOLBF, 1024);
++  if (getenv("TMPDIR") == NULL) {
++    /* Give javascript programs (such as updated versions of npm) a working tmpdir. */
++    putenv("TMPDIR=@TERMUX_PREFIX@/tmp");
++  }
++
+   return node::Start(argc, argv);
+ }
+ #endif