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haskell-ng: fix several builds with old versions of GHC

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This commit is contained in:
Peter Simons
2015-01-19 23:15:29 +01:00
parent 8959aade32
commit f8710f9d81
6 changed files with 57 additions and 3 deletions
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pkgs/development/haskell-modules/lib.nix
+3
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@@ -22,6 +22,9 @@ rec {
appendConfigureFlag = drv: x: overrideCabal drv (drv: { configureFlags = (drv.configureFlags or []) ++ [x]; });
removeConfigureFlag = drv: x: overrideCabal drv (drv: { configureFlags = pkgs.stdenv.lib.remove x (drv.configureFlags or []); });
addBuildTool = drv: x: addBuildTools drv [x];
addBuildTools = drv: xs: overrideCabal drv (drv: { buildTools = (drv.buildTools or []) ++ xs; });
enableCabalFlag = drv: x: appendConfigureFlag (removeConfigureFlag drv "-f-${x}") "-f${x}";
disableCabalFlag = drv: x: appendConfigureFlag (removeConfigureFlag drv "-f${x}") "-f-${x}";