[CMake] using `install()` with EXPORT and COMPONENT

[Stefan Seefeld]

Hello,

I'm working on a library project that will be packaged in multiple 
components. A "runtime" component will contain the (shared) library, an 
a "dev" component the associated headers (and perhaps other 
development-only artefacts).

I have successfully used the `install()` command to install these two 
sets of artefacts, i.e. calling `install(... COMPONENT runtime)`, as 
well as `install(... COMPONENT dev)`.

However, I'm now looking into calling `install(TARGETS ... EXPORT ...)`. 
The documentation explains how the list of installed headerfiles can 
actually be inferred from the target itself (if the 
target_include_directories have been appropriately set). However, I 
can't call that function more than once on the same target, and thus I 
seem to have no way to split the installation into multiple components.

Does anyone know what I'm missing ? What is the suggested way to package 
a project into the usual "runtime" and "dev" components ?

Many thanks,

Stefan
-- 

       ...ich hab' noch einen Koffer in Berlin...

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