--- cmake/admInstallDir.cmake.orig  2016-08-18 21:32:46.913427074 +0200

+++ cmake/admInstallDir.cmake   2016-08-18 21:32:46.689431102 +0200

@@ -55,7 +55,7 @@

 MACRO (ADM_INSTALL_LIB_FILES files)

         INSTALL(FILES ${files} 

                         DESTINATION ${AVIDEMUX_LIB_DIR}

-                        PERMISSIONS WORLD_READ WORLD_EXECUTE OWNER_WRITE OWNER_READ OWNER_EXECUTE

+                        PERMISSIONS WORLD_READ WORLD_EXECUTE GROUP_READ GROUP_EXECUTE OWNER_WRITE OWNER_READ OWNER_EXECUTE

                         COMPONENT  runtime

                 )

 ENDMACRO (ADM_INSTALL_LIB_FILES)

​