Branch: refs/heads/master
Home: https://github.com/NixOS/nixpkgs
Commit: b59b89d9e38805250dedbd0da8589f6835ecb728
https://github.com/NixOS/nixpkgs/commit/b59b89d9e38805250dedbd0da8589f6835ecb728
Author: Peter Simons <sim...@cryp.to>
Date: 2016-10-08 (Sat, 08 Oct 2016)
Changed paths:
M pkgs/development/haskell-modules/generic-builder.nix
Log Message:
-----------
Revert "Extend Haskell generic builder to use new --ipid flag."
This reverts commit ec8b81615462625338d76f002d92accd6eb4cf6a. The change told
the Cabal build system to use the hash-part of $out as the internal identifier
for the library it's building (rather than generating such an ID itself). While
a good idea in theory, this choice had an unfortunate side-effect: When Cabal
links libraries X, Y, and Z into an executable, then the generated binary
contains their respective IDs. Now, Nix finds those strings and treats them as
an indication that there is a *run-time dependency* on the corresponding store
paths. This means that the generated executable will always depend on the store
paths of all the Haskell libraries that went into it, even when linked
statically.
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