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-rw-r--r--haskell/haskell-double-conversion/doinst.sh4
1 files changed, 4 insertions, 0 deletions
diff --git a/haskell/haskell-double-conversion/doinst.sh b/haskell/haskell-double-conversion/doinst.sh
new file mode 100644
index 0000000000..c89a71b771
--- /dev/null
+++ b/haskell/haskell-double-conversion/doinst.sh
@@ -0,0 +1,4 @@
+if [ -x /usr/bin/ghc-pkg ]; then
+ chroot . /usr/bin/ghc-pkg recache
+fi
+