These are part of the C++ standard, I don't know how they went missing
in our version.
http://www.cplusplus.com/reference/std/complex/
They are needed to build MathGL library, and likely other stuff.
adjusting it where I figured it necessary.
* Disabled the --no-beos-fixes option for Haiku.
git-svn-id: file:///srv/svn/repos/haiku/buildtools/trunk@24513 a95241bf-73f2-0310-859d-f6bbb57e9c96