RECIPE FORMAT:
CORENAME COREDIR URL REPOTYPE ENABLED COMMAND MAKEFILE SUBDIR

The following are know to work for Windows x64 with the toolchain provided by MSYS2 by default (SEH exception model):

4do libretro-4do https://github.com/libretro/4do-libretro.git PROJECT NO GENERIC Makefile .
bluemsx libretro-bluemsx https://github.com/libretro/blueMSX-libretro.git PROJECT NO GENERIC Makefile.libretro .
bsnes libretro-bsnes https://github.com/libretro/bsnes-libretro.git PROJECT NO BSNES Makefile .
dinothawr libretro-dinothawr https://github.com/libretro/Dinothawr.git PROJECT NO GENERIC_ALT Makefile .
fb_alpha libretro-fba https://github.com/libretro/fba-libretro.git PROJECT NO GENERIC makefile.libretro svn-current/trunk
fba_cores_cps1 libretro-fba https://github.com/libretro/fba-libretro.git PROJECT NO GENERIC makefile.libretro svn-current/trunk/fbacores/cps1
fba_cores_cps2 libretro-fba https://github.com/libretro/fba-libretro.git PROJECT NO GENERIC makefile.libretro svn-current/trunk/fbacores/cps2
fba_cores_neo libretro-fba https://github.com/libretro/fba-libretro.git PROJECT NO GENERIC makefile.libretro svn-current/trunk/fbacores/neogeo
fmsx libretro-fmsx https://github.com/libretro/fmsx-libretro.git PROJECT NO GENERIC Makefile .
gambatte libretro-gambatte https://github.com/libretro/gambatte-libretro.git PROJECT NO GENERIC_ALT Makefile.libretro libgambatte
genesis_plus_gx libretro-genesis_plus_gx https://github.com/libretro/Genesis-Plus-GX.git PROJECT NO GENERIC Makefile.libretro .
handy libretro-handy https://github.com/libretro/libretro-handy.git PROJECT NO GENERIC Makefile .
mednafen_gba libretro-mednafen_gba https://github.com/libretro/beetle-gba-libretro.git PROJECT NO GENERIC Makefile .
mednafen_lynx libretro-mednafen_lynx https://github.com/libretro/beetle-lynx-libretro.git PROJECT NO GENERIC Makefile .
mednafen_ngp libretro-mednafen_ngp https://github.com/libretro/beetle-ngp-libretro.git PROJECT NO GENERIC Makefile .
mednafen_pce_fast libretro-mednafen_pce_fast https://github.com/libretro/beetle-pce-fast-libretro.git PROJECT NO GENERIC Makefile .
mednafen_pcfx libretro-mednafen_pcfx https://github.com/libretro/beetle-pcfx-libretro.git PROJECT NO GENERIC Makefile .
mednafen_psx libretro-mednafen_psx https://github.com/libretro/beetle-psx-libretro.git PROJECT NO GENERIC Makefile .
mednafen_snes libretro-mednafen_snes https://github.com/libretro/beetle-bsnes-libretro.git PROJECT NO GENERIC Makefile .
mednafen_supergrafx libretro-mednafen_supergrafx https://github.com/libretro/beetle-supergrafx-libretro.git PROJECT NO GENERIC Makefile .
mednafen_vb libretro-mednafen_vb https://github.com/libretro/beetle-vb-libretro.git PROJECT NO GENERIC Makefile .
mednafen_wswan libretro-mednafen_wswan https://github.com/libretro/beetle-wswan-libretro.git PROJECT NO GENERIC Makefile .
mupen64plus libretro-mupen64plus https://github.com/libretro/mupen64plus-libretro.git PROJECT NO GENERIC_GL Makefile . WITH_DYNAREC=x86_64
nestopia libretro-nestopia https://github.com/libretro/nestopia.git PROJECT NO GENERIC Makefile libretro
nxengine libretro-nxengine https://github.com/libretro/nxengine-libretro.git PROJECT NO GENERIC Makefile .
o2em libretro-o2em https://github.com/libretro/libretro-o2em.git PROJECT NO GENERIC Makefile .
pcsx_rearmed libretro-pcsx_rearmed https://github.com/libretro/pcsx_rearmed.git PROJECT NO GENERIC Makefile.libretro . USE_DYNAREC=0
picodrive libretro-picodrive https://github.com/libretro/picodrive.git SUBMODULE YES GENERIC Makefile.libretro .
prosystem libretro-prosystem https://github.com/libretro/prosystem-libretro.git PROJECT NO GENERIC Makefile .
snes9x libretro-snes9x https://github.com/libretro/snes9x.git PROJECT NO GENERIC Makefile libretro
snes9x_next libretro-snes9x_next https://github.com/libretro/snes9x-next.git PROJECT NO GENERIC_ALT Makefile.libretro .
tgbdual libretro-tgbdual https://github.com/libretro/tgbdual-libretro.git PROJECT NO GENERIC Makefile .
tyrquake libretro-tyrquake https://github.com/libretro/tyrquake.git PROJECT NO GENERIC Makefile.libretro .
vba_next libretro-vba_next https://github.com/libretro/vba-next.git PROJECT NO GENERIC_ALT Makefile.libretro .
vbam libretro-vbam https://github.com/libretro/vbam-libretro.git PROJECT NO GENERIC_ALT Makefile src/libretro
virtualjaguar libretro-virtualjaguar https://github.com/libretro/virtualjaguar-libretro.git PROJECT NO GENERIC Makefile .
yabause libretro-yabause https://github.com/libretro/yabause.git PROJECT NO GENERIC Makefile libretro

The following are know to work for Windows x64 with MINGW-W64 (SJLJ exception model)

mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . TARGET=mame PTR64=1
mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . TARGET=mess PTR64=1
mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . TARGET=ume PTR64=1

The following are not working for Windows x64 at the moment

catsfc libretro-catsfc https://github.com/libretro/CATSFC-libretro.git PROJECT NO GENERIC Makefile . ===>BROKEN
desmume libretro-desmume https://github.com/libretro/desmume.git PROJECT NO GENERIC Makefile.libretro desmume ===>BROKEN
dosbox libretro-dosbox https://github.com/libretro/dosbox-libretro.git PROJECT NO GENERIC Makefile.libretro . ===>BROKEN