x86_64 is used as a baseline: the "x86_64" entry, whatever status it has,
is transformed into "all", and then the other entries in ARCHITECTURES
either dropped or rearranged appropriately.
* 81_libretro: bumped to version 1.0a:20210311
* atari800_libretro: bumped to version 3.1.0:20210415
* bluemsx_libretro: bumped to version 2.9.0:20210409
* cap32_libretro: bumped to version 4.2.0:20210327
* fmsx_libretro: bumped to version 4.9:20210327
* fuse_libretro: bumped to version 1.1.1:20210419
* hatari_libretro: bumped to version 1.8:20210317
* nekop2_libretro: bumped to version 0.86:20210317
* FAIL
* dosbox_libretro: bumped to version 0.74:20201229
* fbneo_libretro: bumped to version 1.0.0.0:20210506
* fceumm_libretro: bumped to version 0.0.1:20210420
* FAIL
* freeintv_libretro: bumped to version 0.0:20210322
* gambatte_libretro: bumped to version 0.5.0:20210325
* genesis_plus_gx_libretro: bumped to version 1.7.4:20210325
* gpsp_libretro: bumped to version 0.91:20210505
* gw_libretro: bumped to version 1.6.2:20210425
* handy_libretro: bumped to version 0.95:20210325
* mednafen_gba_libretro: bumped to version 0.9.36:20210324
* mednafen_lynx_libretro: bumped to version 0.9.32:20210324
* mednafen_ngp_libretro: bumped to version 0.9.36.1:20210324
* mednafen_pce_fast_libretro: bumped to version 0.9.38.7:20210412
* mednafen_pce_libretro: bumped to version 0.9.38.7:20210412
* mednafen_pcfx_libretro: bumped to version 0.9.33.3:20210412
* mednafen_saturn_libretro: bumped to version 0.9.45.1:20210412
* mednafen_supergrafx_libretro: bumped to version 0.9.38.7:20210412
* mednafen_vb_libretro: bumped to version 0.9.36.1:20210405
* mednafen_wswan_libretro: bumped to version 0.9.35.1:20210405
* meteor_libretro: bumped to version 1.4:20201228
* mgba_libretro: bumped to version 0.6.1:20210427
* mupen64plus_next_libretro: bumped to version 1.0:20210223
* nestopia_libretro: bumped to version 1.49:20210320
* o2em_libretro: bumped to version 1.18:20210325
* opera_libretro: bumped to version 1.0.0:20210409
* parallel_n64_libretro: bumped to version 2.0rc2:20210324
* pcsx_rearmed_libretro: bumped to version r22:20210428
* snes9x_libretro: bumped to version 1.60:20210314
* vba_next_libretro: bumped to version 1.0.2:20210312
* vecx_libretro: bumped to version 1.2:20210312
* virtualjaguar_libretro: bumped to version 2.1.2:20210314
* yabause_libretro: bumped to version 0.9.15:20210411
* 3dengine_libretro: bumped to version 1.0:20210107
* reminiscence_libretro: bumped to version 0.3.6:20210317
* scummvm_libretro: bumped to version 2.0.0:20210325
* craft_libretro: bumped to version 1.0:20210317
* 2048_libretro: bumped to version 1.0:20210308
* gme_libretro: bumped to version 0.5.2:20210309
* mrboom_libretro: bumped to version 5.2:20210325
* flycast_libretro: bumped to version 0.1:20210506
* 81_libretro: bumped to version 1.0a:20200613
* atari800_libretro: bumped to version 3.1.0:20200626
* opera_libretro: bumped to version 1.0.0:20200605
* fbneo_libretro: bumped to version 0.2.97.44:20200703
* fceumm_libretro: bumped to version 0.0.1:20200604
* flycast_libretro: bumped to version 0.1:20200703
* gambatte_libretro: bumped to version 0.5.0:20200630
* gpsp_libretro: bumped to version 0.91:20200527
* handy_libretro: bumped to version 0.95:20200625
* mednafen_gba_libretro: bumped to version 0.9.36:20200623
* mednafen_lynx_libretro: bumped to version 0.9.32:20200630
* mednafen_ngp_libretro: bumped to version 0.9.36.1:20200630
* mednafen_pce_fast_libretro: bumped to version 0.9.38.7:20200630
* mednafen_pcfx_libretro: bumped to version 0.9.33.3:20200623
* mednafen_supergrafx_libretro: bumped to version 0.9.38.7:20200623
* mednafen_vb_libretro: bumped to version 0.9.36.1:20200630
* mednafen_wswan_libretro: bumped to version 0.9.35.1:20200701
* mgba_libretro: bumped to version 0.6.1:20200619
* o2em_libretro: bumped to version 1.18:20200609
* pcsx_rearmed_libretro: bumped to version r22:20200701
* picodrive_libretro: bumped to version 1.92:20200607
* vba_next_libretro: bumped to version 1.0.2:20200617
* vecx_libretro: bumped to version 1.2:20200605
* virtualjaguar_libretro: bumped to version 2.1.2:20200521
* yabause_libretro: bumped to version 0.9.15:20200605
* 2048_libretro: bumped to version 1.0:20200520
* 81_libretro: bumped to version 1.0a:20190917
* atari800_libretro: bumped to version 3.1.0:20190907
* bluemsx_libretro: bumped to version 2.9.0:20190902
* cap32_libretro: bumped to version 4.2.0:20190907
* fmsx_libretro: bumped to version 4.9:20190905
* fuse_libretro: bumped to version 1.1.1:20190729
* hatari_libretro: bumped to version 1.8:20190923
* nekop2_libretro: bumped to version 0.86:20190914
* mrboom_libretro: bumped to version 4.7:20190914
* dosbox_libretro: bumped to version 0.74:20190902
* fceumm_libretro: bumped to version 0.0.1:20190905
* flycast_libretro: bumped to version 0.1:20191016
* freeintv_libretro: bumped to version 20180214:20190905
* gambatte_libretro: bumped to version 0.5.0:20191010
* gearboy_libretro: bumped to version 2.5:20181103
* genesis_plus_gx_libretro: bumped to version 1.7.4:20190916
* gpsp_libretro: bumped to version 0.91:20190914
* gw_libretro: bumped to version 1.6.2:20190816
* handy_libretro: bumped to version 0.95:20190801
* mednafen_gba_libretro: bumped to version 0.9.36:20190911
* mednafen_lynx_libretro: bumped to version 0.9.32:20190911
* mednafen_ngp_libretro: bumped to version 0.9.36.1:20190911
* mednafen_pce_fast_libretro: bumped to version 0.9.38.7:20190911
* mednafen_pcfx_libretro: bumped to version 0.9.33.3:20190911
* mednafen_supergrafx_libretro: bumped to version 0.9.38.7:20190911
* mednafen_vb_libretro: bumped to version 0.9.36.1:20190912
* mednafen_wswan_libretro: bumped to version 0.9.35.1:20190914
* meteor_libretro: bumped to version 1.4:20190912
* o2em_libretro: bumped to version 1.18:20190914
* pcsx_rearmed_libretro: bumped to version r22:20191007
* picodrive_libretro: bumped to version 1.92:20190905
* vba_next_libretro: bumped to version 1.0.2:20190924
* vecx_libretro: bumped to version 1.2:20190817
* virtualjaguar_libretro: bumped to version 2.1.2:20190625
* 3dengine_libretro: bumped to version 1.0:20180406
* reminiscence_libretro: bumped to version 0.3.6:20190914
* scummvm_libretro: bumped to version 2.0.0:20191013
* tyrquake_libretro: bumped to version 0.62:20191013
* craft_libretro: bumped to version 1.0:20190626
* 2048_libretro: bumped to version 1.0:20190902
* gme_libretro: bumped to version 0.5.2:20190905
kwyxz