Working nix-shell - a bit convoluted but allows quick iteration. #2239
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I've been trying to make a nix shell that can take an IncludeOS package directly from a cmake install as input, to allow fast iteration on OS features, that link into a bootable, without having to rebuild the OS every time.
shell.nix
is working to the point where cmake configure step finds the right versions of libcxx, libcxxabi, liunwind and musl, but compilation doesn't pick up the right clang by default. I hack it in by defining $CXX, but then it doesn't find libcxx, so c++ includes like<string>
are unavailable.shell_overlay.nix
is a little simpler, where the idea was to expose the paths to the link time dependencies frompkgsIncludeOS
. It has the same result - I get to the point where I think I can link, but I can't compile the bootable binary due to missing includes.How can we make the nix shell use the same stdenv as
nix-build
?