relational-record-examples: fix compile failure w/ GHC 7.x

This commit is contained in:
Kei Hibino 2018-04-03 19:03:20 +09:00
parent 2e284b813a
commit 465dd413b0

View File

@ -71,7 +71,7 @@ library
ghc-options: -Wall
executable examples
if flag(binary)
if impl(ghc >= 8.0) && flag(binary)
buildable: True
else
buildable: False