From 1.3.2, skim migrated to bksys as the build system. Please consult the README file about how to install. The 0.9.2 release of scim-qtimm is scim 1.3.3 compatible version which added the share input method support.
Please consult the README file in the skim package on how to install. 1.3.2 should be the last test release before next stable version 1.4.0.
Please download the package from the usual place.