Hi cmakers, I decided to start a new project using cmake. While I got a lot of things going quickly, some things are taking me to despair. The current issue has a couple of web hits, but either I misunderstand something critical or cmake 2.6 (as of current Debian Lenny) is broken:
--8<-------CMakeLists.txt------------ cmake_minimum_required(VERSION 2.6) project(test) add_custom_command( OUTPUT bla.txt COMMAND touch bla.txt ) add_custom_target(bla DEPENDS bla.txt) --8<-------CMakeLists.txt------------ I'd expect this to produce an effective Makefile like this: .phony: bla bla: bla.txt bla.txt: touch bla.txt Well, cmake Makefiles are somewhat more complicated, but it essentially misses the final rule, i.e. typing #~: make bla make[3]: *** Keine Regel vorhanden, um das Target »../bla.txt«, benötigt von »CMakeFiles/bla«, zu erstellen. Schluss. make[2]: *** [CMakeFiles/bla.dir/all] Fehler 2 make[1]: *** [CMakeFiles/bla.dir/rule] Fehler 2 make: *** [bla] Fehler 2 (German translation of: No rule for target: ../bla.txt) Any ideas what is going wrong here? The whole issue arises in my solution to support GNU gettext, where this issue is the 'pot' target boiled down to its bare necessities. Extensive web searches did not reveal any standard gettext solution, did I miss something by the way? Another feature, which I have been missing dearly was propagating variables from subdirs to global scope - I do not want to repeat this propagation on each level. I worked around this by writing all required data to ENV and have a macro in the root CMakeLists.txt produce the variables. It works, but for my taste is unnecessarily complicated and I'm unsure about length constraints on environments. The latter could be mitigated using a file, but that's still far from elegant. Is anyone aware of a smarter solution to define variables in various subdirs and use those in another subdir added later? Thanks for your help, - lars. _______________________________________________ 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://www.cmake.org/mailman/listinfo/cmake
