add arm build

[john-peterson]

it should find the include dir from compiler

echo | aarch64-w64-mingw32-clang++ -E -Wp,-v -xc++ -

but I left some code anyway if some one need more dirs

I ended up linking the necessary folders

ln -s $P/include/spirv $P/opt/llvm-mingw-w64/generic-w64-mingw32/include/
ln -s $P/include/vulkan $P/opt/llvm-mingw-w64/generic-w64-mingw32/include/
ln -s $P/include/vk_video $P/opt/llvm-mingw-w64/generic-w64-mingw32/include/

I am building in termux with

meson setup out --wipe --cross-file build-arm64.txt --prefix=$P

[pchome]

Cross-files are pretty much standard, no need to pull all possible variants into the project.
Maybe some examples could be in wiki.

https://mesonbuild.com/Cross-compilation.html#cross-file-locations

Distributions are encouraged to ship cross files either with their cross compiler toolchain packages or as a standalone package, and put them in one of the system paths referenced above.

These files can be loaded automatically without adding a path to the cross file. For example, if a ~/.local/share/meson/cross contains a file called x86-linux, then the following command would start a cross build using that cross files:

meson setup builddir/ --cross-file x86-linux

[mati865]

Shouldn't this use Clang rather than GCC considering it's the only supported compiler?