nvtt doesn't build with gcc 4.7

[bruno]

unistd.h is no longer included by some other include files and needs to be included separately. Including it should break building under earlier versions of gcc.

--- a/libraries/nvtt/src/src/nvcore/Debug.cpp +++ b/libraries/nvtt/src/src/nvcore/Debug.cpp @@ -1,5 +1,6 @@

This code is in the public domain -- castanyo@…

+#include <unistd.h>

#include <nvcore/Debug.h> #include <nvcore/StrLib.h>

[bruno]

That was supposed to be SHOULDN'T break building under previous versions of gcc.

[philip]

In 11379:

Fix NVTT build on GCC 4.7. Fixes #1202.