From ee169135a117ab4330671971a39e75bd75d7eef7 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Fri, 29 Jun 2018 19:31:37 +0200
Subject: For ghc 7.10.3, try installing yaml first...

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 0b0ce4472..9be8d42d1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -115,6 +115,7 @@ install:
       travis_retry cabal update
       case "$GHCVER" in
         7.10.3)
+           cabal install --disable-optimization --force-reinstalls yaml && \
            cabal install -v1 --disable-optimization --flags="$FLAGS" --enable-tests --force-reinstalls --reorder-goals --max-backjumps=-1 $CABALARGS
            ;;
         *)
-- 
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