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authorEelco Dolstra <eelco.dolstra@logicblox.com>2012-04-30T23·15-0400
committerEelco Dolstra <eelco.dolstra@logicblox.com>2012-04-30T23·15-0400
commitdb5b86ef13026d7f034527005ab231ddc2b7d2c1 (patch)
tree590c3761e9d3cfae634a81fb80cc47659666941d /src/libstore/build.cc
parent59a26360c75f1cf5fe65fce5e3703df0b6645140 (diff)
* Add an option ‘build-use-substitutes’, which can be set to ‘false’
  to disable use of substitutes; i.e., force building from source.
  Fixes Nix/221.
Diffstat (limited to 'src/libstore/build.cc')
-rw-r--r--src/libstore/build.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index acc2923059db..789a7f617c2c 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -962,7 +962,7 @@ void DerivationGoal::haveDerivation()
     foreach (PathSet::iterator, i, invalidOutputs)
         /* Don't bother creating a substitution goal if there are no
            substitutes. */
-        if (worker.store.hasSubstitutes(*i))
+        if (queryBoolSetting("build-use-substitutes", true) && worker.store.hasSubstitutes(*i))
             addWaitee(worker.makeSubstitutionGoal(*i));
     
     if (waitees.empty()) /* to prevent hang (no wake-up event) */