With the upcoming release of 1.22.0, mingw-w64 is still in an
experimental state, and is not considered to be fully supported yet.
This change should be reverted after the release.
Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
.. and set CT_TARGET_VENDOR to w64. Otherwise config.gcc doesn't
pickup the right files for include_next (and probably many other
things go wrong too).
w64 has been the correct vendor for absolutely ages now on all
distributions that provide MinGW-w64 cross compilers.
Signed-off-by: Ray Donnelly <mingw.android@gmail.com>
