Schala Zeal
I've decided to stop using mingw-w64 in favor of an alternative. As such, my massive collection of packages for it are orphaned for anyone interested:
https://aur.archlinux.org/packages/mingw-w64-allegro https://aur.archlinux.org/packages/mingw-w64-allegro-static https://aur.archlinux.org/packages/mingw-w64-apr https://aur.archlinux.org/packages/mingw-w64-apr-util https://aur.archlinux.org/packages/mingw-w64-atk https://aur.archlinux.org/packages/mingw-w64-atkmm https://aur.archlinux.org/packages/mingw-w64-box2d https://aur.archlinux.org/packages/mingw-w64-bzip2 https://aur.archlinux.org/packages/mingw-w64-c-ares https://aur.archlinux.org/packages/mingw-w64-cairo https://aur.archlinux.org/packages/mingw-w64-cairomm https://aur.archlinux.org/packages/mingw-w64-corrade https://aur.archlinux.org/packages/mingw-w64-cppunit https://aur.archlinux.org/packages/mingw-w64-curl https://aur.archlinux.org/packages/mingw-w64-db https://aur.archlinux.org/packages/mingw-w64-dumb https://aur.archlinux.org/packages/mingw-w64-expat https://aur.archlinux.org/packages/mingw-w64-fftw https://aur.archlinux.org/packages/mingw-w64-fontconfig https://aur.archlinux.org/packages/mingw-w64-ftgl https://aur.archlinux.org/packages/mingw-w64-gc https://aur.archlinux.org/packages/mingw-w64-gdk-pixbuf2 https://aur.archlinux.org/packages/mingw-w64-giflib https://aur.archlinux.org/packages/mingw-w64-glibmm https://aur.archlinux.org/packages/mingw-w64-gmp https://aur.archlinux.org/packages/mingw-w64-gmp-static https://aur.archlinux.org/packages/mingw-w64-gnutls https://aur.archlinux.org/packages/mingw-w64-gsl https://aur.archlinux.org/packages/mingw-w64-gtest https://aur.archlinux.org/packages/mingw-w64-gtk2 https://aur.archlinux.org/packages/mingw-w64-gtkglext https://aur.archlinux.org/packages/mingw-w64-gtkmm https://aur.archlinux.org/packages/mingw-w64-gtksourceview2 https://aur.archlinux.org/packages/mingw-w64-isl https://aur.archlinux.org/packages/mingw-w64-jasper https://aur.archlinux.org/packages/mingw-w64-json-c https://aur.archlinux.org/packages/mingw-w64-json-glib https://aur.archlinux.org/packages/mingw-w64-lcms2 https://aur.archlinux.org/packages/mingw-w64-libarchive https://aur.archlinux.org/packages/mingw-w64-libassuan https://aur.archlinux.org/packages/mingw-w64-libconfig https://aur.archlinux.org/packages/mingw-w64-libcroco https://aur.archlinux.org/packages/mingw-w64-libcsv https://aur.archlinux.org/packages/mingw-w64-libevent https://aur.archlinux.org/packages/mingw-w64-libexif https://aur.archlinux.org/packages/mingw-w64-libgee https://aur.archlinux.org/packages/mingw-w64-libgpg-error https://aur.archlinux.org/packages/mingw-w64-libgtksourceviewmm2 https://aur.archlinux.org/packages/mingw-w64-libidn https://aur.archlinux.org/packages/mingw-w64-libjpeg https://aur.archlinux.org/packages/mingw-w64-libltdl https://aur.archlinux.org/packages/mingw-w64-libmad https://aur.archlinux.org/packages/mingw-w64-libmikmod https://aur.archlinux.org/packages/mingw-w64-libmpc https://aur.archlinux.org/packages/mingw-w64-libmpc-static https://aur.archlinux.org/packages/mingw-w64-libmspack https://aur.archlinux.org/packages/mingw-w64-librsvg https://aur.archlinux.org/packages/mingw-w64-libsigc++ https://aur.archlinux.org/packages/mingw-w64-libsodium https://aur.archlinux.org/packages/mingw-w64-libssh2 https://aur.archlinux.org/packages/mingw-w64-libtasn1 https://aur.archlinux.org/packages/mingw-w64-libtheora https://aur.archlinux.org/packages/mingw-w64-libuecc https://aur.archlinux.org/packages/mingw-w64-libunicows https://aur.archlinux.org/packages/mingw-w64-libunistring https://aur.archlinux.org/packages/mingw-w64-libwebp https://aur.archlinux.org/packages/mingw-w64-libxml++ https://aur.archlinux.org/packages/mingw-w64-libxr https://aur.archlinux.org/packages/mingw-w64-libyaml https://aur.archlinux.org/packages/mingw-w64-lzo2 https://aur.archlinux.org/packages/mingw-w64-mini18n-svn https://aur.archlinux.org/packages/mingw-w64-mpfr https://aur.archlinux.org/packages/mingw-w64-mpfr-static https://aur.archlinux.org/packages/mingw-w64-msgpack https://aur.archlinux.org/packages/mingw-w64-nettle https://aur.archlinux.org/packages/mingw-w64-ode https://aur.archlinux.org/packages/mingw-w64-onig https://aur.archlinux.org/packages/mingw-w64-openjpeg https://aur.archlinux.org/packages/mingw-w64-opus https://aur.archlinux.org/packages/mingw-w64-pango https://aur.archlinux.org/packages/mingw-w64-pangomm https://aur.archlinux.org/packages/mingw-w64-pcre https://aur.archlinux.org/packages/mingw-w64-pixman https://aur.archlinux.org/packages/mingw-w64-portaudio https://aur.archlinux.org/packages/mingw-w64-postgresql-libs https://aur.archlinux.org/packages/mingw-w64-ppl https://aur.archlinux.org/packages/mingw-w64-protobuf https://aur.archlinux.org/packages/mingw-w64-qrencode https://aur.archlinux.org/packages/mingw-w64-ruby https://aur.archlinux.org/packages/mingw-w64-sdl https://aur.archlinux.org/packages/mingw-w64-sdl_gfx https://aur.archlinux.org/packages/mingw-w64-sdl_image https://aur.archlinux.org/packages/mingw-w64-sdl_mixer https://aur.archlinux.org/packages/mingw-w64-sdl_net https://aur.archlinux.org/packages/mingw-w64-sdl_ttf https://aur.archlinux.org/packages/mingw-w64-serf https://aur.archlinux.org/packages/mingw-w64-sfml https://aur.archlinux.org/packages/mingw-w64-smpeg-svn https://aur.archlinux.org/packages/mingw-w64-sparsehash https://aur.archlinux.org/packages/mingw-w64-speex https://aur.archlinux.org/packages/mingw-w64-stormlib https://aur.archlinux.org/packages/mingw-w64-taglib https://aur.archlinux.org/packages/mingw-w64-taglib-static https://aur.archlinux.org/packages/mingw-w64-wxmsw2.9 https://aur.archlinux.org/packages/mingw-w64-wxmsw2.9-static https://aur.archlinux.org/packages/mingw-w64-xerces-c https://aur.archlinux.org/packages/mingw-w64-xz https://aur.archlinux.org/packages/mingw-w64-zeromq https://aur.archlinux.org/packages/mingw-w64-zziplib
Out of interest, what is that alternative?