Thank you for your answer! I was afraid there was no other option. Problem is that "Ignorable" is a transient dependency of a target which I need (both don't specify components) and therefore both are somewhat out of my control, but I guess modification to them will be necessary.
I wasn't aware of REMOVE_ITEM CPACK_COMPONENTS_ALL and hint is much appreciated (though sadly I cannot use it). Good to know ;) On Wed, May 16, 2018 at 10:37 AM Eric Noulard <eric.noul...@gmail.com> wrote: > > > 2018-05-16 9:33 GMT+02:00 Drago Trusk <drago.tr...@gmail.com>: > >> Hi everyone, >> >> I have particular problem which I'm unable to solve. >> >> Lets say there are following components: >> - Main: library/executable >> - Ignorable: Main requires it to build, but not for packaging >> >> Main simply defines: >> add_dependencies(Main Ignorable) >> >> FindIgnorable.cmake contains something like: >> add_custom_target(Ignorable >> COMMAND ... ... && cmake --build --target install . >> # ... >> ) >> >> Problem is that deb cpack generator picks this from install tree (tar/zip >> doesn't contain Ignorable). So deb ends up with: >> # ... correct fs hierarchy >> /home/saduser/projects/ignorableinstall >> >> I need to avoid dependency used only for building artifacts. >> >> What I found: >> - Remove add_dependency >> ---- Problem: have to build dependencies manually and will break CI and >> other people builds >> - Disable automatic packaging of everything and specify custom components >> to package >> ---- Problem: Dependency tree which might be bigger and requires to know >> too many details. In addition requires for outside changes so that all >> targets have (appropriate) install conponents. >> >> I tried everything else that is possible. Am i missing something or are >> those two only viable options? >> > > I think the second option should be ok and not that complicated. > Put the "Ignorable" in an "IgnoredComp" install component and remove this > component from the list of installed components. > > get_cmake_property(CPACK_COMPONENTS_ALL COMPONENTS) > list(REMOVE_ITEM CPACK_COMPONENTS_ALL """) > > see: https://cmake.org/cmake/help/v3.11/module/CPackComponent.html > > AFAIR you don't need to defined a component for every install because > CPack already does that for you. > I think that every bits installed without component specification ends-up > in the trap-them-all > "Unspecified" component which is automatically created by CPack. > > see: > https://cmake.org/cmake/help/v3.11/variable/CMAKE_INSTALL_DEFAULT_COMPONENT_NAME.html > > Another way to do that even more simply (**if you are sure no component > are defined**) > would be to: > > 1) install ignorable in "IgnoredComp" component > 2) let all other be in your default component > set(CMAKE_INSTALL_DEFAULT_COMPONENT_NAME "InstallThatOnly") > 3) only install your default component > set(CPACK_COMPONENTS_ALL "InstallThatOnly") > > > -- > Eric >
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