When you use bare semicolon, it is required to encapsulate the whole generator expression in quotes to avoid list evaluation during command call;
i.e: WRONG: target_compile_options(someTarget PRIVATE $<$<COMPILE_LANGUAGE:CXX>:- Wall;-Wextra>) GOOD: target_compile_options(someTarget PRIVATE "$<$<COMPILE_LANGUAGE:CXX>:- Wall;-Wextra>") Le dim. 3 juin 2018 à 15:03, Neil Carlson <neil.n.carl...@gmail.com> a écrit : > Sorry, the missing colon was a typo in my email, not actually missing. > Strangely, the bare semicolon doesn't work for me (Linux/make). However > $<SEMICOLON> does work! That prompted me to try escaping the semicolon > (\;) and that worked too. Thanks all! > > On Sun, Jun 3, 2018 at 12:18 AM Marc CHEVRIER <marc.chevr...@gmail.com> > wrote: > >> Did you try with $<SEMICOLON> rather than the ; character? >> >> Le dim. 3 juin 2018 à 06:24, Craig Scott <craig.sc...@crascit.com> a >> écrit : >> >>> On Sun, Jun 3, 2018 at 12:34 PM, Neil Carlson <neil.n.carl...@gmail.com> >>> wrote: >>> >>>> On Sat, Jun 2, 2018 at 4:53 PM Stephen McDowell <sjm...@cornell.edu> >>>> wrote: >>>> >>>>> It should be a CMake list, which is delineated by semicolons. >>>>> >>>>> add_compile_options($<$<COMPILE_LANGUAGE:C>-Wall;-Wextra>) >>>>> >>>>> I am writing this from a phone so untested, but that has worked for me >>>>> in the past. >>>>> >>>> >>>> Right about the list, and is one of the things I tried, but didn't >>>> work. This one >>>> seems to break the generator expression. >>>> >>> >>> I think you are missing a colon after the first ">". I just tried a >>> command like the following and it produces the right compiler command line >>> options for me (on macOS using CMake 3.11.0 with either Ninja or Xcode): >>> >>> target_compile_options(someTarget PRIVATE >>> $<$<COMPILE_LANGUAGE:CXX>:-Wall;-Wextra> >>> ) >>> >>> I also works for me even without the semi-colon (i.e. using a space >>> instead), which was kinda surprising given that I didn't quote the whole >>> generator expression. Not sure about other platforms or generators. >>> >>> >>> >>> -- >>> Craig Scott >>> Melbourne, Australia >>> https://crascit.com >>> -- >>> >>> Powered by www.kitware.com >>> >>> Please keep messages on-topic and check the CMake FAQ at: >>> http://www.cmake.org/Wiki/CMake_FAQ >>> >>> Kitware offers various services to support the CMake community. For more >>> information on each offering, please visit: >>> >>> CMake Support: http://cmake.org/cmake/help/support.html >>> CMake Consulting: http://cmake.org/cmake/help/consulting.html >>> CMake Training Courses: http://cmake.org/cmake/help/training.html >>> >>> Visit other Kitware open-source projects at >>> http://www.kitware.com/opensource/opensource.html >>> >>> Follow this link to subscribe/unsubscribe: >>> https://cmake.org/mailman/listinfo/cmake >>> >>
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