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haskell: add combinator to enable DWARF debugging

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Tested using:

$ cat test-strip.nix
with (import ./. {});
with haskell.lib;

haskell.packages.ghc802.override {
  overrides = self: super: {
    microlens = enableDWARFDebugging super.microlens;
  };
}

$ nix-build -A microlens test-strip.nix
$ objdump -t <path-to-so-file>
This commit is contained in:
Domen Kožar
2017-09-02 11:25:50 +01:00
committed by Domen Kožar
parent b7d257a520
commit 991654fa4a
1 changed files with 11 additions and 0 deletions
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pkgs/development/haskell-modules/lib.nix
+11
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@@ -73,6 +73,17 @@ rec {
disableHardening = drv: flags: overrideCabal drv (drv: { hardeningDisable = flags; }); disableHardening = drv: flags: overrideCabal drv (drv: { hardeningDisable = flags; });
# Controls if Nix should strip the binary files (removes debug symbols)
doStrip = drv: overrideCabal drv (drv: { dontStrip = false; });
dontStrip = drv: overrideCabal drv (drv: { dontStrip = true; });
# Useful for debugging segfaults with gdb.
# -g: enables debugging symbols
# --disable-*-stripping: tell GHC not to strip resulting binaries
# dontStrip: see above
enableDWARFDebugging = drv:
appendConfigureFlag (dontStrip drv) "--ghc-options=-g --disable-executable-stripping --disable-library-stripping";
sdistTarball = pkg: lib.overrideDerivation pkg (drv: { sdistTarball = pkg: lib.overrideDerivation pkg (drv: {
name = "${drv.pname}-source-${drv.version}"; name = "${drv.pname}-source-${drv.version}";
# Since we disable the haddock phase, we also need to override the # Since we disable the haddock phase, we also need to override the