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-rw-r--r--Interact.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/Interact.hs b/Interact.hs
index 8fa7b5b3b..80b5a34f5 100644
--- a/Interact.hs
+++ b/Interact.hs
@@ -20,7 +20,7 @@ main = do
let setupConfig = read $ unlines $ drop 1 $ lines setupConfig'
let (Just (ComponentLocalBuildInfo { componentPackageDeps = deps })) = libraryConfig setupConfig
let packageSpecs = map (toPackageSpec . snd) deps
- let args = ["-cpp","-i../dist/build/autogen"] ++ concatMap (\p -> ["-package",p]) packageSpecs
+ let args = ["-optP-include", "-optP../dist/build/autogen/cabal_macros.h","-cpp","-I../dist/build/autogen","-i../dist/build/autogen"] ++ concatMap (\p -> ["-package",p]) packageSpecs
print args
ph <- runProcess "ghci" args (Just "src") Nothing Nothing Nothing Nothing
waitForProcess ph