Tim eaee7b7a45 glibc_multi: add output "static" ...

This change enables static compilation with glibc in a multilib setup. For
building a nix shell the output can now be referenced as follows:

devShells.default = pkgs.mkShell {
    packages = [
        pkgs.glibc_multi.static
    ];
};

In the implementation I was forced to make two design decisions:
1. The directory `$static/lib64` has to be a "real" directory and not a symlink.
   Otherwise, the path to this directory is not added to $NIX_LDFLAGS, which in
   turn causes the files to not be visible to gcc and ld during the build
   process (for details see `pkgs/build-support/bintools-wrapper/setup-hook.sh`
   line 16).
2. The directories `$static/lib` and `$static/lib64` have to contain symlinks
   to both the files used for static and for dynamic linking (i.e. the outputs
   of `static` and `out` of the 32 and 64 bit variant of glibc). Without this,
   dynamic linking still works, however the resulting binaries will segfault.

2025-02-17 12:52:56 +01:00

1.5 KiB

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