These failed in an i386 ports build done with clang 10 patched to set -fno-common by default. I included an initial boehm-gc patch to unblock the ports hidden behind that. Ports with maintainers listed first.
x11/gcolor2 acam...@verlet.org print/gtklp ajacou...@openbsd.org sysutils/fprintd ajacou...@openbsd.org emulators/mupen64plus/rsp-cxd4 anth...@anjbe.name games/heroes anth...@anjbe.name net/epic4 a...@6v6.org games/jumpnbump bcal...@openbsd.org games/openjk bcal...@openbsd.org math/pspp bcal...@openbsd.org net/gophernicus bcal...@openbsd.org www/uget bcal...@openbsd.org security/lastpass-cli b...@openbsd.org net/ipv6-toolkit bl...@openbsd.org cad/geda-gaf e...@openbsd.org games/angband e...@openbsd.org games/clonekeen e...@openbsd.org games/nethack/3.6 es...@openbsd.org japanese/Wnn es...@openbsd.org japanese/canna es...@openbsd.org news/trn es...@openbsd.org textproc/pinfo es...@openbsd.org security/fwknop feine...@logic.at net/openmdns gonz...@openbsd.org comms/efax i...@openbsd.org devel/libowfat j.klem...@wemelug.de security/dirb jas...@openbsd.org cad/graywolf jus...@atlantide.mooo.com sysutils/wmwlmon mar...@nazgul.ch net/snort markus.l...@gmx.de net/tinyfugue markus.l...@gmx.de games/oolite n...@openbsd.org net/tcpreplay ni...@openbsd.org security/p0f ni...@openbsd.org lang/moarvm pas...@stumpf.co devel/mingw p...@irofti.net security/ossec-hids p...@irofti.net databases/pgpool p...@openbsd.org security/gringotts p...@openbsd.org net/sniproxy ren...@allard.it games/sdlpop rob...@openbsd.org security/flasm rpoin...@openbsd.org games/prboom-plus r...@slipgate.org x11/gnustep/corebase sebas...@openbsd.org x11/gnustep/gworkspace sebas...@openbsd.org x11/gnustep/terminal sebas...@openbsd.org lang/snobol4 st...@wb8wsf.org net/argus ste...@openbsd.org net/argus-clients ste...@openbsd.org net/yersinia ste...@openbsd.org inputmethods/cellwriter vas...@lxmx.com.au net/oicb z...@openbsd.org astro/wmglobe astro/wmmoonclock astro/wmspaceweather astro/wmsun audio/audacity audio/gimmix audio/gtkpod audio/nspmod audio/scmpc audio/wmmp3 audio/wmtune audio/xhippo audio/ympd comms/birda comms/jpilot comms/lcdproc comms/minicom comms/scmxx comms/seyon comms/xastir comms/xdx databases/citus devel/arm-none-eabi/gdb devel/avr32/binutils devel/blame devel/giggle devel/libcoap devel/remake devel/ti-msp430gcc editors/beaver editors/hexcurse editors/hnb editors/tea education/gamgi emulators/advancemame emulators/coldfire emulators/fuse emulators/libretro-genesis-plus-gx emulators/pcsxr emulators/simh games/atomix games/corewars games/egoboo games/freeblocks games/freedroid games/freedroidrpg games/gnugo games/gnurobbo games/gnushogi games/lincity games/megaglest/base games/mirrormagic games/opentyrian games/pacman-arena games/prboom games/sdlroids games/spider games/typespeed games/vms-empire games/wmtictactoe games/xboard games/xboing games/xmj geo/pgpointcloud graphics/barcode graphics/dpic graphics/enjoympeg graphics/gimp/liquid-rescale graphics/ocaml-cairo lang/arena lang/erlang/19 lang/iverilog lang/pcc mail/avenger mail/mboxgrep mail/mlmmj mail/sma mail/wmmultipop3 mail/wmpop3 math/abs math/foma math/mcl misc/brltty misc/geekcode misc/hfsplus misc/logjam misc/plan misc/viz misc/wmmand multimedia/audiopreview multimedia/avinfo multimedia/lives multimedia/minidlna multimedia/swftools net/angst net/dico net/ekg net/ettercap net/grsync net/honeyd net/iftop net/jftpgw net/msdl net/netatalk net/plushs net/pmacct net/quagga net/weex news/nn print/cups-bjnp productivity/glabels productivity/siag productivity/xinvest productivity/xquote security/aescrypt security/bsd-airtools security/foremost security/hydra security/ipguard security/stegdetect security/tempwatch shells/nsh sysutils/conky sysutils/radmind sysutils/wmcube sysutils/wmmon telephony/fobbit telephony/kamailio textproc/zoem www/sarg www/squidguard www/www6to4 x11/agar/test x11/asclock x11/bricons x11/compiz/plugins-main x11/fbpanel x11/gnome-mplayer x11/golem x11/i3-mousedrag x11/oroborus x11/piewm x11/remmina x11/rox-filer x11/roxterm x11/sawfish x11/skippy x11/tvtwm x11/uwm x11/wind x11/wmii x11/wminfo x11/wmitime x11/wmtime x11/wmtz x11/wmweather x11/x11vnc x11/xfed x11/xforms x11/xtacy
