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-rw-r--r--gnu/packages/haskell-xyz.scm2
1 files changed, 2 insertions, 0 deletions
diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm
index 13ce17ee54..08d6580a32 100644
--- a/gnu/packages/haskell-xyz.scm
+++ b/gnu/packages/haskell-xyz.scm
@@ -10557,6 +10557,8 @@ this problem.")
                (base32
                 "1h16w994g9s62iwkdqa7bar2n9cfixmkzz2rm8svm960qr57valf"))))
     (build-system haskell-build-system)
+    (arguments
+     `(#:extra-directories ("pcre")))
     (inputs
      `(("ghc-regex-base" ,ghc-regex-base)
        ("pcre" ,pcre)))