Alexander Neundorf wrote: > On Thursday 28 February 2013, Stephen Kelly wrote: >> Brad King wrote: >> > On 02/27/2013 04:37 PM, Alexander Neundorf wrote: >> >> 1) we should continue to recommend to use the variables (which will >> >> now be set to the name of the target). In case of typos, this will >> >> lead to an empty variable (as it did before with Find-modules), and >> >> undefined references when linking. This is at least no regression. >> >> Also, it shields users somewhat from potential renaming of the >> >> imported targets. >> > >> > This is up to individual projects based on their own requirements. >> > Some interface may be more stable than others. I do not think any >> > general recommendation can be made without lots of contingencies. >> > >> >> safe_target_link_libraries(hello TARGET:foox >> >> >> >> FILE:/opt/lib/libbar.a >> >> LIBRARY:png) >> > >> > Sure, it is possible to make interfaces typo-resistant by adding lots >> > of syntax. Part of the simplicity tll() is that it has little syntax. >> > >> > Note that FILE: and LIBRARY: do not need to be distinguished from >> > one another because files always have paths (/) and library names >> > never do. For TARGET: we already have $<TARGET_NAME:foox>, which >> > IIUC can be used in tll already (Steve?). >> >> That works, but it doesn't check anything. Checking is only done at >> export- time (though it could also check for existence at generate time). > > So if I would do (I don't plan to) > > target_link_libraries(foo <TARGET_NAME:png> ) > > it would not check that there is a target named "png" ? >
You missed a $, but yes, $<TARGET_NAME:png> will only check at export time that the png target exists (currently). Thanks, Steve. -- Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Follow this link to subscribe/unsubscribe: http://public.kitware.com/cgi-bin/mailman/listinfo/cmake-developers
