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base repository: NixOS/nixpkgs
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head repository: NixOS/nixpkgs
compare: caccc40ad01c
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  • 1 commit
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  • 1 contributor

Commits on Jul 18, 2018

  1. vmTools: Fix BusyBox runtime error in initrd 

    With the recent update of BusyBox to version 1.29.0 in
d6aa506 there is now a new dependency
on libresolv.

This now throws a runtime error when executing ash, eg. whenever we do
something like this:

nix-build -E 'with import ./. {}; vmTools.runInLinuxVM hello'

The resulting error will be:

  .../ash: error while loading shared libraries: libresolv.so.2: cannot
           open shared object file: No such file or directory

I tried to override BusyBox with enableStatic, but that still requires
parts of glibc:

  Static linking against glibc, can't use --gc-sections
  Trying libraries: crypt m resolv
   Library crypt is not needed, excluding it
   Library m is needed, can't exclude it (yet)
   Library resolv is needed, can't exclude it (yet)
   Library m is needed, can't exclude it (yet)
   Library resolv is needed, can't exclude it (yet)
  Final link with: m resolv

In the long term maybe switching to a more minimal C library such as
musl would make more sense, but for now I just added libresolv.so to the
initrd which fixes the runtime error.

Signed-off-by: aszlig <aszlig@nix.build>
Cc: @edolstra, @rbvermaa
Signed-off-by: aszlig <aszlig@nix.build>
    @aszlig
    aszlig committed Jul 18, 2018
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