Detect _host_prefix and allow cross pkg-config #1065
Merged
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stella fails to cross build from source on Unix-style platforms, because ./configure hard codes the build architecture pkg-config and thus fails finding libraries. It already has a bit of knowledge about cross compilation and actually considers a _host_prefix for some tools. Unfortunately, _host_prefix is not yet generally initialized and it also does not prepend _host_prefix to pkg-config.
This fixes these issues.
Forwarded from https://bugs.debian.org/1094710.