On 05/02/2013 01:44 PM, Stephen Kelly wrote: > Brad King wrote: >> Make it an error if different *content* will be written to the same >> file name by different configurations. Generate for all configs into >> per-config temp files. Then identify all files that map to a single >> name according to the OUTPUT genex and make sure they are the same. > > I don't think that requires writing for all configs to temp files. I can > write the first file if it doesn't exist, and for subsequent configs, > compare the evaluated content with the existing content in the file.
Yes, that should work too. Note that for the first config that evaluates to a specific output you should write that file unconditionally (or as copy-if-different). It should ignore existing content for comparison purposes because the file could exist from a previous run of CMake. -Brad -- 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
