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-rw-r--r--hadrian/src/Settings/Builders/RunTest.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/hadrian/src/Settings/Builders/RunTest.hs b/hadrian/src/Settings/Builders/RunTest.hs
index 6188b644ea..8312592ff6 100644
--- a/hadrian/src/Settings/Builders/RunTest.hs
+++ b/hadrian/src/Settings/Builders/RunTest.hs
@@ -81,6 +81,7 @@ runTestBuilderArgs = builder RunTest ? do
top <- expr $ topDirectory
ghcFlags <- expr runTestGhcFlags
timeoutProg <- expr buildRoot <&> (-/- timeoutPath)
+ integerLib <- expr (integerLibrary flav)
let asZeroOne s b = s ++ zeroOne b
@@ -110,6 +111,7 @@ runTestBuilderArgs = builder RunTest ? do
, arg "-e", arg $ "config.ghc_dynamic_by_default=" ++ show hasDynamicByDefault
, arg "-e", arg $ "config.ghc_dynamic=" ++ show hasDynamic
+ , arg "-e", arg $ "config.integer_backend=" ++ show (pkgName integerLib)
-- Use default value, see:
-- https://github.com/ghc/ghc/blob/master/testsuite/mk/boilerplate.mk