[question] Build both static and dynamic versions of the library

[Peter2121]

According to the wiki, build option BUILD_SHARED_LIBS permits to select between static and dynamic versions of the library to build. Is there any way to build at the same time (without re-configuring the build) the both versions? I want to create a FreeBSD port of the library (it works correctly under FreeBSD), and I would like to install both versions by default.