From 35e0095590ad3b372e3772e50b75e16f7062e20b Mon Sep 17 00:00:00 2001
From: Sibi Prabakaran <sibi@psibi.in>
Date: Wed, 26 Apr 2017 20:57:13 +0530
Subject: [PATCH] Add releavant flag in yesod-bin

---
 yesod-bin/yesod-bin.cabal | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/yesod-bin/yesod-bin.cabal b/yesod-bin/yesod-bin.cabal
index 67d6392f..df53c4e8 100644
--- a/yesod-bin/yesod-bin.cabal
+++ b/yesod-bin/yesod-bin.cabal
@@ -18,11 +18,17 @@ extra-source-files:
   refreshing.html
   *.pem
 
+flag debug
+  default: False
+  description: Print debugging info.
+
 executable             yesod
     if os(windows)
         cpp-options:     -DWINDOWS
     if os(openbsd)
         ld-options:      -Wl,-zwxneeded
+    if flag(debug)
+      cpp-options: -DDEBUG
 
     build-depends:     base               >= 4.3          && < 5
                      , parsec             >= 2.1          && < 4