Reinhold Gschweicher f4b729e00b Remove libpng submodule and require system lib ... On rolling distros the usage of `libpng` submodule makes problems as the `zlib` system dependency of said module gets updated. Then the submodule regularly is too old to handle the updates `zlib` dependency. Fix this maintenance churn by requiring `libpng` as system library as well. Then the distros package manager keeps those versions in sync. This unfortunately requires users to install a new runtime/build dependency, but it still can be disabled with `-DWITH_PNG=OFF`.		2023-09-07 19:06:56 +07:00
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lv_sim.yml	Remove libpng submodule and require system lib	2023-09-07 19:06:56 +07:00