make use-pkg-config explicitly false

develop7 · web-flow · commit e280830fc60e · 2019-07-05T00:26:42.000+03:00
diff --git a/postgresql-libpq.cabal b/postgresql-libpq.cabal
@@ -43,6 +43,7 @@ Custom-setup
 -- configuration
 Flag use-pkg-config
   default: True
+  manual: False
 
 Library
   hs-source-dirs:      src
