[commit: ghc] master: Darwin: Use gmp from homebrew (d672b7f)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/d672b7ffa0cf23fae6bf95731b841105ab4e9c8e/ghc

>---------------------------------------------------------------

commit d672b7ffa0cf23fae6bf95731b841105ab4e9c8e
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed Nov 29 17:02:17 2017 -0500

    Darwin: Use gmp from homebrew
    
    As discussed on ghc-devs, OS X appears to ship an old or otherwise broken gmp.
    
    https://mail.haskell.org/pipermail/ghc-devs/2017-June/014321.html


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d672b7ffa0cf23fae6bf95731b841105ab4e9c8e
 .circleci/prepare-system.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.circleci/prepare-system.sh b/.circleci/prepare-system.sh
index 4b0218e..193fac9 100755
--- a/.circleci/prepare-system.sh
+++ b/.circleci/prepare-system.sh
@@ -52,7 +52,7 @@ case "$(uname)" in
     if [[ -n ${TARGET:-} ]]; then
       fail "uname=$(uname) not supported for cross-compilation"
     fi
-    brew install ghc cabal-install python3 ncurses
+    brew install ghc cabal-install python3 ncurses gmp
     cabal update
     cabal install --reinstall alex happy haddock hscolour --index-state=$hackage_index_state
     # put them on the $PATH, don't fail if already installed