libupnp

USE flags

• blocking-tcp - Do not use async socket calls
• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
• reuseaddr - Allow clean restarts by binding the socket with SO_REUSEADDR
• samples - Install sample applications
• ssl - Add support for SSL/TLS connections (Secure Socket Layer / Transport Layer Security)
• static-libs - Build static versions of dynamic libraries as well

Security Advisory