As usual while waiting for the next release - don't forget to check the nightly builds in the forum.
Linking executable: ../../z_gtk_debug/lenmus/usr/bin/ld: cannot find -lgtk-x11-2.0collect2: ld returned 1 exit statusProcess terminated with status 1 (0 minutes, 4 seconds)1 errors, 1 warnings
Do you have the -dev packages of the lib you try to link?