- Remove patches that removed fPIC support:
0005-contrib-disable-unsupported-fPIC.patch
0006-openjpeg-Disable-patch-that-forces-PIC.patch

- Update patch that does not apply
0001-contrib-add-emscripten-target.patch

- Add patch to fix empty MESON_SYSTEM_NAME variable
0003-contrib-delete-empty-variable.patch