app-antivirus/clamav metadata-analysis-api
sys-devel/clang default-lld
net-wireless/iwd standalone -crda
dev-lang/luajit lua52compat
app-arch/zstd static-libs
dev-lang/python sqlite
sys-firmware/intel-microcode split-ucode monolithic
sys-libs/gdbm berkdb
dev-lang/perl berkdb
mail-filter/spamassassin berkdb
dev-libs/cyrus-sasl berkdb
mail-filter/opendkim berkdb
sys-apps/iproute2 berkdb
app-crypt/heimdal -ssl -threads
dev-db/mariadb tokudb extraengine rocksdb innodb-lz4
sys-cluster/ceph xfs nss -ssl
net-dns/bind threads caps -idn libidn2
app-emulation/qemu doc tls usbredir spice sasl
net-fs/samba cluster ads addns ldap client addc -system-heimdal -system-mitkrb5 acl python
net-fs/cifs-utils ads creds acl
net-dns/bind-tools gssapi -idn libidn2
net-libs/libssh server
media-gfx/imagemagick corefonts lzma xml
sys-boot/syslinux -custom-cflags
sys-apps/util-linux tty-helpers static-libs
sys-fs/ntfs3g -external-fuse
x11-libs/libdrm libkms
media-libs/mesa xa r600-llvm-compiler
sys-fs/cryptsetup -openssl
app-portage/layman cvs bazaar mercurial g-sorcery squashfs subversion
net-firewall/ipsec-tools nat hybrid
x11-misc/bmpanel -libev
net-fs/nfs-utils nfsdcld nfsv41
media-libs/libmypaint gegl
media-gfx/inkscape cdr inkjar
dev-libs/elfutils static-libs
net-mail/dovecot textcat
dev-vcs/git -perl
dev-vcs/subversion -perl -extras
# default don't want pam, but elogind
x11-base/xorg-server suid -elogind
#sys-auth/elogind pam
#sys-auth/pambase elogind
# xterm:unicode - "luit allows xterm to support character encodings other than ISO-8859-1 and UTF-8."
x11-terms/xterm Xaw3d -unicode sixel
# optimize
sys-apps/openrc -ncurses
# for any our app
dev-lang/php ssl curl tokenizer xmlrpc fastbuild mysqli postgres gd apache2 berkdb bzip2 cgi cjk cli crypt ctype filter gdbm iconv ipv6 ldap mysql ncurses nls pcre readline reflection session spell spl -threads truetype unicode xml zlib zip hash pdo mysqlnd sqlite3 json intl fileinfo imap mhash simplexml soap sockets bcmath -kerberos xmlwriter xmlreader sysvipc -phar posix -gmp
app-admin/testdisk ntfs
sci-libs/hdf5 -threads
sci-libs/vtk rendering all-modules python xdmf2
net-misc/tightvnc server
# tightvnc dropped, xorgmodule depends xorg-server version
net-misc/tigervnc server -xorgmodule
dev-db/sqlite -tools
# prefer jemalloc (faster), but if no choice:
dev-libs/leveldb -tcmalloc
sci-visualization/visit tcmalloc
dev-db/haildb tcmalloc
dev-libs/libmemcached tcmalloc
sys-cluster/gearmand tcmalloc
sys-cluster/hpx -perftools
# not used, but need gtk3
gnome-base/librsvg -tools
# remove surprises
net-misc/openssh -hpn
app-arch/gzip pic
# REQUIRED_USE
net-misc/openvpn -lzo
app-i18n/ibus -python
dev-libs/xmlsec -gnutls
mail-mta/exim exiscan-acl -gnutls -pkcs11
media-gfx/blender cycles openimageio
media-libs/ccaudio2 gsm
media-libs/cogl gles2
media-libs/libde265 -tools
media-libs/libmetalink xml
net-firewall/fwknop -gdbm
net-libs/xrootd -http
net-mail/cyrus-imapd -http
net-mail/popa3d -mbox
net-misc/rancid -subversion
net-misc/rancid-git -subversion -cvs
net-p2p/eiskaltdcpp -cli
media-gfx/nomacs opencv
media-libs/sdl2-mixer mad
media-libs/sdl-mixer mad
net-misc/networkmanager -nss
sci-geosciences/gpsd python
sci-libs/cctbx openmp -threads
sci-libs/mathgl openmp -threads
sci-libs/silo silex qt4
sci-libs/ViSP opencv
sys-cluster/hpx -jemalloc
x11-wm/xpra dec_av2
app-admin/syslog-ng -http -ipv6

# modern video cards 2D perform better on modesetting driver: Nvidia G8+, Radeon R600+ ...
x11-base/xorg-drivers -video_cards_i915 -video_cards_virtualbox -video_cards_nouveau -video_cards_nv -video_cards_mga -video_cards_amdgpu -video_cards_ati

# try to avoid [qml] globally (IMHO hole)
# dev-qt/qtwebengine
dev-qt/qtwebchannel qml

# openssl sometimes more hw accelerated
net-wireless/wpa_supplicant -gnutls
sys-kernel/vanilla-sources -kvm
sys-kernel/gentoo-sources rt
=dev-qt/qtwebengine-5.7.1* -system-icu
# on my CherryTrail SNA xterm loose chars/regions. keep old code too
x11-drivers/xf86-video-intel uxa
# prefer alsa & apulse
media-sound/pulseaudio -alsa-plugin
# -pam
kde-plasma/kscreenlocker -seccomp
# unsatisfayed dependences
x11-apps/intel-gpu-tools glib chamelium gsl
# melomania
media-sound/mpg123 int-quality
# relax by default
sys-devel/binutils -cxx -gold
# gles2|opengl
dev-libs/efl -drm
# elfutils
sys-libs/zlib static-libs
app-arch/bzip2 static-libs
app-arch/xz-utils static-libs
# sys-apps/util-linux[su,python] -> pam vs. sys-apps/shadow, sys-apps/util-linux[python] req4 catalyst
sys-apps/util-linux -su
sys-apps/shadow su
# busybox[static], etc
virtual/libcrypt static-libs
sys-libs/libxcrypt static-libs
# initrd bug-free, shell failover
sys-apps/busybox static

# export MALLOC_MMAP_MAX_=0
# export LD_PRELOAD=/usr/lib/libjemalloc.so
# export LD_PRELOAD=/usr/lib/libtcmalloc_minimal.so
>=dev-db/mariadb-10.5 -jemalloc -tcmalloc

# perf
app-text/poppler boost