dev-cpp/trantor
dev-libs/jsoncpp
sys-libs/zlib
app-arch/brotli
sys-apps/util-linux
dev-libs/spdlog
dev-libs/libfmt
dev-cpp/yaml-cpp

>=dev-cpp/trantor-1.5.20:=
dev-libs/jsoncpp:=
sys-libs/zlib

brotli?
      ( app-arch/brotli:= )

mariadb?
      ( dev-db/mariadb:= )

postgres?
      ( dev-db/postgresql:= )

redis?
      ( dev-libs/hiredis:= )

sqlite?
      ( dev-db/sqlite:3 )

elibc_Darwin?
      ( sys-libs/native-uuid )

elibc_SunOS?
      ( sys-libs/libuuid )

!elibc_Darwin?
      ( !elibc_SunOS?
            ( sys-apps/util-linux )
       )

spdlog?
      ( dev-libs/spdlog:= dev-libs/libfmt:= )

yaml?
      ( dev-cpp/yaml-cpp:= )

>=dev-cpp/trantor-1.5.19:=
dev-libs/jsoncpp:=
sys-libs/zlib

brotli?
      ( app-arch/brotli:= )

mariadb?
      ( dev-db/mariadb:= )

postgres?
      ( dev-db/postgresql:= )

redis?
      ( dev-libs/hiredis:= )

sqlite?
      ( dev-db/sqlite:3 )

elibc_Darwin?
      ( sys-libs/native-uuid )

elibc_SunOS?
      ( sys-libs/libuuid )

!elibc_Darwin?
      ( !elibc_SunOS?
            ( sys-apps/util-linux )
       )

spdlog?
      ( dev-libs/spdlog:= dev-libs/libfmt:= )

yaml?
      ( dev-cpp/yaml-cpp:= )