Add support for zlib compression

Packages describing “zlib” as local USE flag

Package“zlib” Flag Description
app-text/libstarofficeEnable support for compressed data
dev-libs/libpcreAdd support for pcregrep command to search within gzip-compressed files (via sys-libs/zlib).
dev-libs/libpcre2Add support for pcregrep command to search within gzip-compressed files (via sys-libs/zlib).
dev-perl/Mail-IMAPClientInstall support for COMPRESS DEFLATE connections
mail-client/neomuttAdd zlib support for header cache compression
media-libs/imlib2Zlib loader support
net-im/ejabberdEnable Stream Compression (XEP-0138) using zlib
net-irc/zncEnable mod_deflate-like gzip support for znc's web interface using sys-libs/zlib.
net-proxy/privoxyDecompress zlib compressed data using sys-libs/zlib before filtering
sci-physics/rivetBuild with zlib
sys-apps/kmodEnable support for gzipped modules
sys-apps/pciutilsSupport compressed pci.ids database
sys-apps/s390-toolsbuild the zgetdump and dump2tar utilities
www-servers/lighttpdEnable output compression via gzip or deflate algorithms from sys-libs/zlib

All packages providing a “zlib” USE flag (123)