package qwt: use qt5 qmake for test program
Merge branch 'master' of github.com:mxe/mxe
Makefile: add target loop, serialise targets, and update settings file
add mingw-w64 runtime and pthreads implementation, update related toolchain files
various packages: enable/disable mingw-w64 builds
Merge pull request #192 from tonytheodore/mingw-w64

Mingw-w64 support