From dfb5dbd6cc5342348fbb46bd117c226d5e8127e4 Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Thu, 23 Feb 2017 00:54:19 +0100
Subject: Compiling with --with-rtsopts=-V0 to reduce wakeups (issue #89)

---
 xmobar.cabal | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/xmobar.cabal b/xmobar.cabal
index 8a17579..153d72b 100644
--- a/xmobar.cabal
+++ b/xmobar.cabal
@@ -74,6 +74,10 @@ flag with_threaded
   description: Use threaded runtime.
   default: False
 
+flag with_rtsopts
+  description: Use -with-rtsopts=-V0 to reduce wakeups
+  default: True
+
 flag with_uvmeter
   description: UVMeter only useful to australians.
   default: False
@@ -138,6 +142,9 @@ executable xmobar
        ghc-options: -threaded
        cpp-options: -DTHREADED_RUNTIME
 
+    if flag(with_rtsopts)
+       ghc-options: -with-rtsopts=-V0
+
     if impl (ghc < 7)
        cpp-options: -DGHC6
 
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