search for: dylib_compatibility_version

...nstall_name \$(Rexeclibdir)/libR.dylib" fi You'll need to remove the aqua part of it, otherwise the libR.dylib is not expected inside the framework. Finally, in order to take advantage of the versioning, we should add version information to the dylib. This can be done by adding -dylib_compatibility_version and -dylib_current_version to the LIBR_LDFLAGS (e.g. for R-1.8.1 probably 1.8.0 to compatibility and 1.8.1 to current). BTW: A side note - if the host application runs a proper event loop (like my Rgui runs the standard Cocoa event loop) then the Quartz device works flawlessly even without RA...