[CMake] Listing all the include directories

[Robert Maynard]

In general your options are to look at the command line or use
cmake-server mode to query the code model. The full set of include
directories is not known while configuring due to generator
expressions expanding after the configure step.

On Mon, Mar 26, 2018 at 9:45 PM, Saad Khattak <saadrustam at gmail.com> wrote:
> Hi,
>
> I have many libraries and packages that are being linked using
> target_link_libraries(...) where CMake takes care of the include
> directories. There are cases where I get compile errors because I don't know
> the exact include directories.
>
> I thought perhaps I could get the include directories of my target by doing
> the following:
>
> get_target_property(INCLUDE_DIRS MyExeThatLinksToManyLibs
> INCLUDE_DIRECTORIES)
> message(STATUS ${INCLUDE_DIRS}) # hoped that this would print all the
> include directories
>
> Unfortunately, that did not work as expected. It was missing directories
> that I know are added to the include directories of the target (because the
> compiler is able to find the headers properly).
>
> Apart from sifting through the compile commands, is there a nice way to
> debug the include directories of a target?
>
> Thank you,
> Saad
>
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