Trying to port SuperTux using DevKitPro

[blendy]

DevKitPro (https://devkitpro.org/) is a toolchain for developing homebrew for nintendo consoles, and I'm trying to port st for the switch but I'm having some problems. I'm also not very experienced with c++/cmake.
So far I setup the dkp repo for pacman, installed all the switch packages and all the library packages from there, cross compiled glew and added it to the portlibs location.

After cloning st and doing

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git submodule update --init --recursive

, creating/cd'ing into build
I ran

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/opt/devkitpro/portlibs/switch/bin/aarch64-none-elf-cmake ..

, which finished and created a Makefile (though output is different from regular compilation)
Output of this was https://privatebin.net/?e95018ad302fc57f#48mbMVYi8pv6Ep3WMQFpvhza8RNFj7X7gCjg8ZxfK6A3
Running

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make

afterwards fails with https://privatebin.net/?2e880d00ae105717#HnJg2Py18MtATJDT1zStDXu5Mpq6tqbJ6uxv7S95XrrC
After seeing the error appeared to be with the PhysFS library (there was no mention of it when compiling for linux) I made sure it was present in the portlibs folder (it was, installed through (dkp)-pacman).
Noticing that -rdynamic seemed to be causing issues (even though it seems that it gets ignored if dynamic linking isn't available), I ran

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strace -f make 2>&1 | grep rdyn

, with output https://privatebin.net/?e8ee32f4c91ffdc7#BdfqbhCapopG2kTULmFKmCHKcpmREnK8vyupogrxdzep.
I also tried editing

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supertux/mk/cmake/SuperTux/ProvidePhysfs.cmake

to debug, in which

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if(PHYSFS_LIBRARY)

returned FALSE (when cross compiling), and TRUE when compiling for linux, even though the library was present in the portlibs folder, and I don't know how to continue debugging this.