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Add disable core optimizations (#51464)

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haskell.lib.disableOptimization: new function

Adds a utility function for disabling GHC core optimizations.
Significantly reduces build times.
This commit is contained in:
David Johnson 2018-12-03 13:46:22 -05:00 committed by Peter Simons
parent 4cf1d88d12
commit e42d10957d
1 changed files with 3 additions and 0 deletions
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pkgs/development/haskell-modules/lib.nix
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@ -259,6 +259,9 @@ rec {
*/ */
buildStrictly = pkg: buildFromSdist (failOnAllWarnings pkg); buildStrictly = pkg: buildFromSdist (failOnAllWarnings pkg);
/* Disable core optimizations, significantly speeds up build time */
disableOptimization = pkg: appendConfigureFlag pkg "--disable-optimization";
/* Turn on most of the compiler warnings and fail the build if any /* Turn on most of the compiler warnings and fail the build if any
of them occur. */ of them occur. */
failOnAllWarnings = drv: appendConfigureFlag drv "--ghc-option=-Wall --ghc-option=-Werror"; failOnAllWarnings = drv: appendConfigureFlag drv "--ghc-option=-Wall --ghc-option=-Werror";