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