diff -urN with-utf8-1.0.2.1/with-utf8.cabal with-utf8-1.0.2.1-new/with-utf8.cabal
--- with-utf8-1.0.2.1/with-utf8.cabal	2001-09-08 19:46:40.000000000 -0600
+++ with-utf8-1.0.2.1-new/with-utf8.cabal	2021-02-03 12:56:44.738173062 -0700
@@ -55,7 +55,13 @@
     , text >=0.7 && <1.3
   default-language: Haskell2010
 
+flag troubleshoot-exe
+  description: Install the utf8-troubleshoot executable
+  default: False
+
 executable utf8-troubleshoot
+  if !flag(troubleshoot-exe)
+    buildable: False
   main-is: Main.hs
   other-modules:
       Paths_with_utf8