diff -u -r ../luarocks-2.4.0/src/luarocks/fs/lua.lua ./src/luarocks/fs/lua.lua
--- ../luarocks-2.4.0/src/luarocks/fs/lua.lua	2016-09-08 14:39:09.000000000 -0400
+++ ./src/luarocks/fs/lua.lua	2016-09-26 09:13:06.062435573 -0400
@@ -781,7 +781,7 @@
    assert(type(name) == "string")
    name = dir.normalize(name)
 
-   return posix.mkdtemp((os.getenv("TMPDIR") or "/tmp") .. "/luarocks_" .. name:gsub(dir.separator, "_") .. "-XXXXXX")
+   return posix.mkdtemp((os.getenv("TMPDIR") or "@TERMUX_PREFIX@/tmp") .. "/luarocks_" .. name:gsub(dir.separator, "_") .. "-XXXXXX")
 end
 
 end