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author | Shea Levy <shea@shealevy.com> | 2018-12-15 13:31:08 -0500 |
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committer | Shea Levy <shea@shealevy.com> | 2018-12-15 13:31:08 -0500 |
commit | 30fb5b0dcf68e94625c48c023e4c7662523f7b24 (patch) | |
tree | f62da61975d57ff204952cb63bde285467b3d49b /pkgs/development/haskell-modules/generic-builder.nix | |
parent | 562c62039821a276dc342258ec5efef73022fdcf (diff) | |
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haskell generic builder: Add flag to allow inconsistent dependencies.
Diffstat (limited to 'pkgs/development/haskell-modules/generic-builder.nix')
-rw-r--r-- | pkgs/development/haskell-modules/generic-builder.nix | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/pkgs/development/haskell-modules/generic-builder.nix b/pkgs/development/haskell-modules/generic-builder.nix index a0bf655a67b..fc2c008be0c 100644 --- a/pkgs/development/haskell-modules/generic-builder.nix +++ b/pkgs/development/haskell-modules/generic-builder.nix @@ -74,6 +74,10 @@ in , hardeningDisable ? stdenv.lib.optional (ghc.isHaLVM or false) "all" , enableSeparateDataOutput ? false , enableSeparateDocOutput ? doHaddock +, # Don't fail at configure time if there are multiple versions of the + # same package in the (recursive) dependencies of the package being + # built. Will delay failures, if any, to compile time. + allowInconsistentDependencies ? false } @ args: assert editedCabalFile != null -> revision != null; @@ -336,11 +340,12 @@ stdenv.mkDerivation ({ echo configureFlags: $configureFlags ${setupCommand} configure $configureFlags 2>&1 | ${coreutils}/bin/tee "$NIX_BUILD_TOP/cabal-configure.log" - if ${gnugrep}/bin/egrep -q -z 'Warning:.*depends on multiple versions' "$NIX_BUILD_TOP/cabal-configure.log"; then - echo >&2 "*** abort because of serious configure-time warning from Cabal" - exit 1 - fi - + ${stdenv.lib.optionalString (!allowInconsistentDependencies) '' + if ${gnugrep}/bin/egrep -q -z 'Warning:.*depends on multiple versions' "$NIX_BUILD_TOP/cabal-configure.log"; then + echo >&2 "*** abort because of serious configure-time warning from Cabal" + exit 1 + fi + ''} export GHC_PACKAGE_PATH="$packageConfDir:" runHook postConfigure |