Hello Spencer
I have ported some libraries/applications using Goa, but it is a while
since the last one.
On 7/17/24 06:15, Spencer via users wrote:
Hopefully a simple question-
I am trying to port a CMake project (arcan
<https://github.com/letoram/arcan/tree/master>) that uses Freetype and
looks for it using find_package(Freetype REQUIRED QUIET). I've added
'freetype' to 'used_apis' but that did not seem to make it happy. Worth
noting, I am doing this in a separate directory from my Genode git
clone, I assume that is not a problem? This article
<https://genodians.org/jschlatow/2024-01-11-lomiri-calculator-porting>
seems to suggest that there is a way to add a CMake file that satisfies
it. I found this file
<https://github.com/Manabu-GT/sdl_core/blob/aed19cd68e02b11e27275c05e00cf242a337553a/cmake/Modules/FindQt5Core.cmake#L4> on github, but I don't understand what it's doing and it's not the same one referenced in the article.
It is the "normal" way to have Goa projects in a dedicated repository.
IMHO this helps to make it clear that it uses a different build system.
There were added some `FindXxx.cmake` files in the `genode` and
`genode-world` repositories, but for all libraries (only actually used
ones). looking at e6c4913a256231918ca09d5ee18a9e6e12cfe238 in the
`genode-world` repository, I think it should be fairly easy to add the
file for most libraries.
Before the support for `FindXxx.cmake` files was there, I usually
patched the CMakeLists.txt file to set the variables accordingly.
Additionally, the arcan cmake
<https://github.com/letoram/arcan/blob/master/src/CMakeLists.txt> calls
for find_package(Threads REQUIRED) and fails here too. I see that
PThreads seem to be supported in the libc port, and foundations 8.13.1
gives a genode native way of starting threads. I assume the method for
this is similar to the one for Freetype?
For threads there is a patch required (at least when I last encountered
it), as that integrated in `libc`. I normally just commented out the
corresponding line.
Hope that this helps, best regards
Pirmin
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