Try to detect the name of the mingw32 cross tools.
Try to detect the name of the mingw32 cross tools.

The mingw32 project provides a toolchain for cross compiling Windows
applications from linux. Unfortunately they are not installed with
any consistent executable prefix. Here we try several common prefixes
and use the first one that is in the path. If none is found, we end
up trying to use no-mingw32-gcc, which will hopefully offer a clue.


git-svn-id: 8dbf393e6e9ab8d4979d29f9a341a98016792aa6@15429 0101bb08-14d6-0310-b084-bc0e0c8e3800

KTXSoftware/theora,Distrotech/libtheora,Distrotech/libtheora,Distrotech/libtheora,Distrotech/libtheora,KTXSoftware/theora,KTXSoftware/theora,KTXSoftware/theora,Distrotech/libtheora,KTXSoftware/theora