From f316e6bee0823eee1e44e25ad8e49e46609b078a Mon Sep 17 00:00:00 2001
From: Michael Snoyman <michael@snoyman.com>
Date: Thu, 27 Jul 2017 12:58:08 +0300
Subject: [PATCH] Block package and close #2587

---
 build-constraints.yaml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6d377a16..71a993bc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -927,8 +927,9 @@ packages:
         # - system-canonicalpath # bounds: ghc, base # https://github.com/d12frosted/CanonicalPath/issues/5
 
     "Daniel Gröber <dxld@darkboxed.org> @DanielG":
+        []
         # - ghc-mod # bounds: syb
-        - cabal-helper
+        # - cabal-helper # bounds: extra
 
     "Yann Esposito <yann.esposito@gmail.com> yogsototh @yogsototh":
         - human-readable-duration
@@ -3213,9 +3214,6 @@ packages:
         # https://github.com/haskell/haddock/issues/634 - causes other docs to fail to build
         - haddock < 2.17.5
 
-        # https://github.com/fpco/stackage/issues/2587
-        - extra < 1.6
-
         # https://github.com/fpco/stackage/issues/2595
         - cassava < 0.5.0.0
         - cassava-conduit < 0.4.0.0 # because of above and #2586