This is needed for win32 on fedora.
It is better to use a specific pkg-config than setting a PKG_CONFIG_LIBDIR.
This avoid other CI (libzim/...) to set a env var specific to win32 build.
- Dependency are installed "striped".
- Our project are build "debugoptimized" by default and "release" when
building release instead of "debug"
We need to update the `base_deps_meta_version` as we are changing how
dependencies are compiled.
Make kiwix-build installable using pip.
Module is now called `kiwixbuild` because `kiwix-build` is not a valid
python identifier.
Also split toolchains in separated directory.