Using PKG_CONFIG_PATH 185
lib32-aalib
lib32-acl
lib32-alsa-oss
lib32-amdvlk
lib32-apitrace
lib32-atk
lib32-at-spi2-atk
lib32-at-spi2-core
lib32-attr
lib32-boost
lib32-brotli
lib32-cdparanoia
lib32-clang
lib32-cmocka
lib32-cracklib
lib32-curl
lib32-db
lib32-dconf
lib32-e2fsprogs
lib32-expat
lib32-fakeroot
lib32-faudio
lib32-flac
lib32-flex
lib32-fluidsynth
lib32-freeglut
lib32-gamemode
lib32-gettext
lib32-gmp
lib32-gnutls
lib32-gpm
lib32-gst-plugins-base
lib32-gst-plugins-good
lib32-gstreamer
lib32-gtk2
lib32-icu
lib32-imlib2
lib32-jack2
lib32-jansson
lib32-js17
lib32-keyutils
lib32-krb5
lib32-lcms2
lib32-libaio
lib32-libao
lib32-libappindicator
lib32-libasyncns
lib32-libavc1394
lib32-libavtp
lib32-libcroco
lib32-libcups
lib32-libdaemon
lib32-libdatrie
lib32-libdbusmenu
lib32-libdrm
lib32-libdv
lib32-libelf
lib32-libevent
lib32-libgcrypt
lib32-libgcrypt11
lib32-libglade
lib32-libglvnd
lib32-libgpg-error
lib32-libgusb
lib32-libice
lib32-libid3tag
lib32-libidn11
lib32-libidn2
lib32-libiec61883
lib32-libindicator
lib32-libinstpatch
lib32-libjpeg6-turbo
lib32-libjpeg-turbo
lib32-libldap
lib32-libmm-glib
lib32-libmodplug
lib32-libndp
lib32-libnewt
lib32-libnghttp2
lib32-libnl
lib32-libnsl
lib32-libpcap
lib32-libpciaccess
lib32-libpgm
lib32-libpng
lib32-libpng12
lib32-libproxy
lib32-libpsl
lib32-libraw1394
lib32-libsamplerate
lib32-libshout
lib32-libsm
lib32-libsndfile
lib32-libssh2
lib32-libtasn1
lib32-libteam
lib32-libthai
lib32-libtheora
lib32-libtiff
lib32-libtiff4
lib32-libtirpc
lib32-libunistring
lib32-libusb
lib32-libva
lib32-libva1
lib32-libva1-intel-driver
lib32-libva-intel-driver
lib32-libva-vdpau-driver
lib32-libvdpau
lib32-libvisual
lib32-libvpx
lib32-libvpx1.3
lib32-libx11
lib32-libxau
lib32-libxcb
lib32-libxcomposite
lib32-libxcrypt
lib32-libxcursor
lib32-libxdamage
lib32-libxdmcp
lib32-libxext
lib32-libxfixes
lib32-libxft
lib32-libxi
lib32-libxinerama
lib32-libxml2
lib32-libxmu
lib32-libxrandr
lib32-libxrender
lib32-libxshmfence
lib32-libxslt
lib32-libxss
lib32-libxt
lib32-libxtst
lib32-libxv
lib32-libxvmc
lib32-libxxf86vm
lib32-llvm
lib32-lz4
lib32-mesa-demos
lib32-mpg123
lib32-nettle
lib32-ocl-icd
lib32-openssl
lib32-openssl-1.0
lib32-orc
lib32-pam
lib32-pcre
lib32-pcre2
lib32-pixman
lib32-portaudio
lib32-readline
lib32-rest
lib32-sdl
lib32-sdl2_image
lib32-sdl2_mixer
lib32-sdl2_ttf
lib32-sdl_image
lib32-sdl_mixer
lib32-sdl_net
lib32-sdl_ttf
lib32-simplescreenrecorder
lib32-slang
lib32-soundtouch
lib32-speex
lib32-speexdsp
lib32-sqlite
lib32-systemd
lib32-taglib
lib32-tdb
lib32-twolame
lib32-util-linux
lib32-v4l-utils
lib32-virtualgl
lib32-vkd3d
lib32-vulkan-icd-loader
lib32-vulkan-validation-layers
lib32-wavpack
lib32-wxgtk2
lib32-wxgtk3
lib32-xcb-util
lib32-xcb-util-keysyms
lib32-xz
lib32-zlib
lib32-zstd

Using i686-pc-linux-gnu-pkg-config 44
lib32-alsa-lib
lib32-alsa-plugins
lib32-cairo
lib32-celt
lib32-colord
lib32-dbus
lib32-dbus-glib
lib32-fontconfig
lib32-freetype2
lib32-fribidi
lib32-gdk-pixbuf2
lib32-glib2
lib32-glib-networking
lib32-gtk3
lib32-harfbuzz
lib32-json-glib
lib32-libcaca
lib32-libcanberra
lib32-libepoxy
lib32-libgcrypt15
lib32-libgudev
lib32-libmikmod
lib32-libnm
lib32-libnm-glib
lib32-libogg
lib32-libpulse
lib32-librsvg
lib32-libsoup
lib32-libsoup3
lib32-libvorbis
lib32-libwebp
lib32-libxkbcommon
lib32-mesa
lib32-nss
lib32-openal
lib32-opus
lib32-p11-kit
lib32-pango
lib32-pipewire
lib32-polkit
lib32-sdl2
lib32-tcl
lib32-wayland
lib32-zeromq

Using both 2
lib32-glu
lib32-json-c

Not using either 26
lib32-bzip2
lib32-giflib
lib32-glew
lib32-glew1.10
lib32-ladspa
lib32-libcap
lib32-libffi
lib32-libidn
lib32-libltdl
lib32-librtmp0
lib32-libsodium
lib32-libudev0-shim
lib32-libunwind
lib32-libwrap
lib32-lm_sensors
lib32-ncurses
lib32-nspr
lib32-nvidia-cg-toolkit
lib32-nvidia-utils
lib32-popt
lib32-primus
lib32-primus_vk
lib32-procps-ng
lib32-rust
lib32-smpeg
lib32-tcp-wrappers