From 4b651e8865fe4ee9e551fc6b35582d33d01cfa42 Mon Sep 17 00:00:00 2001
From: Tim Dysinger <tim@dysinger.net>
Date: Wed, 11 Mar 2015 14:34:53 -1000
Subject: [PATCH] add performbuild flag for dynamic executables

---
 Stackage/CompleteBuild.hs | 1 +
 Stackage/InstallBuild.hs  | 1 +
 Stackage/PerformBuild.hs  | 2 ++
 3 files changed, 4 insertions(+)

diff --git a/Stackage/CompleteBuild.hs b/Stackage/CompleteBuild.hs
index 341be2b4..62a7634e 100644
--- a/Stackage/CompleteBuild.hs
+++ b/Stackage/CompleteBuild.hs
@@ -206,6 +206,7 @@ getPerformBuild buildFlags Settings {..} = PerformBuild
     , pbEnableTests = bfEnableTests buildFlags
     , pbEnableHaddock = bfEnableHaddock buildFlags
     , pbEnableLibProfiling = bfEnableLibProfile buildFlags
+    , pbEnableExecDyn = bfEnableExecDyn buildFlags
     , pbVerbose = bfVerbose buildFlags
     , pbAllowNewer = bfSkipCheck buildFlags
     }
diff --git a/Stackage/InstallBuild.hs b/Stackage/InstallBuild.hs
index a6a6c25f..74c78427 100644
--- a/Stackage/InstallBuild.hs
+++ b/Stackage/InstallBuild.hs
@@ -51,6 +51,7 @@ getPerformBuild plan InstallFlags{..} =
     , pbEnableTests        = ifEnableTests
     , pbEnableHaddock      = ifEnableHaddock
     , pbEnableLibProfiling = ifEnableLibProfiling
+    , pbEnableExecDyn      = ifEnableExecDyn
     , pbVerbose            = ifVerbose
     , pbAllowNewer         = ifSkipCheck
     }
diff --git a/Stackage/PerformBuild.hs b/Stackage/PerformBuild.hs
index e38f8e62..e25094c6 100644
--- a/Stackage/PerformBuild.hs
+++ b/Stackage/PerformBuild.hs
@@ -64,6 +64,7 @@ data PerformBuild = PerformBuild
     , pbEnableTests        :: Bool
     , pbEnableHaddock      :: Bool
     , pbEnableLibProfiling :: Bool
+    , pbEnableExecDyn      :: Bool
     , pbVerbose            :: Bool
     , pbAllowNewer         :: Bool
     -- ^ Pass --allow-newer to cabal configure
@@ -317,6 +318,7 @@ singleBuild pb@PerformBuild {..} SingleBuild {..} =
         tell' $ "--flags=" ++ flags
         when (pbEnableLibProfiling && pcEnableLibProfile) $
             tell' "--enable-library-profiling"
+        when pbEnableExecDyn $ tell' "--enable-executable-dynamic"
       where
         tell' x = tell (x:)