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Fixing the cross build stdenv adapter so it tolerates buildInputs with 'null' elements.

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svn path=/nixpkgs/trunk/; revision=20381
This commit is contained in:
Lluís Batlle i Rossell 2010-03-04 14:44:38 +00:00
parent 27b8b6cc66
commit 8a080a699e
1 changed files with 10 additions and 5 deletions
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15
pkgs/stdenv/adapters.nix
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@ -129,12 +129,15 @@ rec {
# *BuildInputs exists temporarily as another name for
# *HostInputs.
getBuildDrv = drv : if (drv ? buildDrv) then drv.buildDrv else drv;
# In nixpkgs, sometimes 'null' gets in as a buildInputs element,
# and we handle that through isAttrs.
getBuildDrv = drv : if (builtins.isAttrs drv && drv ? buildDrv) then drv.buildDrv else drv;
getHostDrv = drv : if (builtins.isAttrs drv && drv ? hostDrv) then drv.hostDrv else drv;
buildNativeInputsDrvs = map (getBuildDrv) buildNativeInputs;
buildInputsDrvs = map (drv: drv.hostDrv) buildInputs;
buildInputsDrvs = map (getHostDrv) buildInputs;
buildInputsDrvsAsBuildInputs = map (getBuildDrv) buildInputs;
propagatedBuildInputsDrvs = map (drv: drv.hostDrv) (propagatedBuildInputs);
propagatedBuildNativeInputsDrvs = map (drv: drv.buildDrv)
propagatedBuildInputsDrvs = map (getHostDrv) (propagatedBuildInputs);
propagatedBuildNativeInputsDrvs = map (getBuildDrv)
(propagatedBuildNativeInputs);
# The base stdenv already knows that buildNativeInputs and
@ -148,7 +151,9 @@ rec {
hostAsBuildDrv = drv: builtins.unsafeDiscardStringContext
drv.buildDrv.drvPath == builtins.unsafeDiscardStringContext
drv.hostDrv.drvPath;
nativeInputsFromBuildInputs = stdenv.lib.filter (hostAsBuildDrv) buildInputs;
buildInputsNotNull = stdenv.lib.filter
(drv: builtins.isAttrs drv && drv ? buildDrv) buildInputs;
nativeInputsFromBuildInputs = stdenv.lib.filter (hostAsBuildDrv) buildInputsNotNull;
# We should overwrite the input attributes in hostDrv, to overwrite
# the defaults for only-native builds in the base stdenv