Add support for client-side URL transfer library

Packages describing “curl” as local USE flag

Package “curl” Flag Description
net-analyzer/tracebox Build the curl component for uploading capture files using net-misc/curl
app-mobilephone/gammu Enables curl support
app-emulation/qemu Support ISOs / -cdrom directives vis HTTP or HTTPS.
app-forensics/aide Use curl for http,https and ftp backends
net-libs/liboauth If enabled, net-misc/curl is used thorugh the libcurl library; if it's not, the curl command is used instead. Some features are only available when using the library, but using it as library requires matching SSL implementations.
dev-php/PEAR-HTTP_Request2 Force dev-lang/php to be compiled with curl extension
dev-vcs/git Support fetching and pushing (requires webdav too) over http:// and https:// protocols
sys-block/fio Enable HTTP engine for S3 and WebDav support support via net-misc/curl
sys-apps/systemd Enable support for uploading journals
app-admin/rsyslog Enable http_request() function in RainerScript (requires net-misc/curl)
net-analyzer/nagios-plugins-linux-madrisan Build check_docker which requires net-misc/curl
dev-lua/luarocks Uses net-misc/curl for fetching lua packages instead of net-misc/wget.
media-sound/mpd Support for web stream listening
net-misc/gerbera Support HTTP media sources (e.g. internet radio)

All packages providing a “curl” USE flag (59)