From 6ed05803edf5cf062dfe9be9f79105ee7298aa22 Mon Sep 17 00:00:00 2001
From: Dylan Simon <dylan@dylex.net>
Date: Thu, 26 Jan 2017 22:41:07 -0500
Subject: [PATCH] Add flags for invertible

To disable optional dependencies not in stackage
---
 build-constraints.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 866fc76d..872a8c5e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2857,6 +2857,12 @@ package-flags:
         ghc_7_7: false
         ghc_8_0: true
 
+    invertible:
+        TypeCompose: false
+        arrows: false
+        hlist: false
+        piso: false
+
 # end of package-flags
 
 # Special configure options for individual packages