submodules updater and test builds

[seiya-git]

For test builds and checking submodule updates for master branch
(should be merged after SMP folder update #11)

[realfinder]

don't know if this use GCC or Windows Visual Studio, but I think it's better to make it use GCC so it can be build for Linux and cross-compiled for windows from Linux (since it's C-plugin) and use source code from last official libass commits and other libraries

[seiya-git]

@realfinder, GCC is used for Linux Ubuntu and Visual Studio MSBuild for Windows
I can't build mingw64 version for windows, it's says avisynth is missing, but lib in correct directory
https://github.com/pinterf/assrender/blob/master/src/CMakeLists.txt#L39

[seiya-git]

@realfinder, Added Windows GCC github build script, but it's not working

[realfinder]

@realfinder, Added Windows GCC github build script, but it's not working

how it not working? anyway let see what @qyot27 will said

[realfinder]

still not get it to work? C API cross-compiles should be fine AviSynth/AviSynthPlus#281

[seiya-git]

@realfinder yes, mingw build not work and I don't know how to fix it, anyway we have Visual Studio build

[pinterf]

Since #11 is merged, should this one be merged as well or we can expect further changes?

[seiya-git]

@pinterf can we split README.md to BUILD.md, CHANGELOG.md and README.md with links in README.md to BUILD.md and CHANGELOG.md?

[pinterf]

Definitely yes.

[seiya-git]

@pinterf done! Everything works now, you can merge it.
I commented mingw64 build in GitHub CI since it's not working outside the msys2 for now