r241432 - Teach mingw toolchain the msys2 mingw-w64 distribution C++ dirs.

[Joerg Sonnenberger]

On Mon, Jul 13, 2015 at 11:53:47PM +0300, Yaron Keren wrote:
> Re-reading, the problem is with using #ifdef inside the conditional or
> using the #ifdef at all?

the problem is adding #else blocks that themselve that with else.
Can you restructure the branches to avoid that? A single trailing
conditional block is fine as is a single leading conditional block.
But having #if #else #endif where both start with a else is bad.

Joerg