From e5e529701812bdfe7ea1c3ffe682bd576b9c05a8 Mon Sep 17 00:00:00 2001
From: Stephen Kelly <steveire@gmail.com>
Date: Tue, 28 Jul 2015 19:49:16 +0200
Subject: [PATCH] cmInstallGenerator: Add a Compute() virtual hook.

---
 Source/cmGlobalGenerator.cxx | 12 ++++++++++++
 Source/cmInstallGenerator.h  |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 463f52672..1d6608b81 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -34,6 +34,7 @@
 #include "cmExportBuildFileGenerator.h"
 #include "cmCPackPropertiesGenerator.h"
 #include "cmAlgorithms.h"
+#include "cmInstallGenerator.h"
 
 #include <cmsys/Directory.hxx>
 #include <cmsys/FStream.hxx>
@@ -1260,6 +1261,17 @@ bool cmGlobalGenerator::Compute()
     }
 #endif
 
+  for (i = 0; i < this->LocalGenerators.size(); ++i)
+    {
+    cmMakefile* mf = this->LocalGenerators[i]->GetMakefile();
+    std::vector<cmInstallGenerator*>& gens = mf->GetInstallGenerators();
+    for (std::vector<cmInstallGenerator*>::const_iterator git = gens.begin();
+         git != gens.end(); ++git)
+      {
+      (*git)->Compute(this->LocalGenerators[i]);
+      }
+    }
+
   return true;
 }
 
diff --git a/Source/cmInstallGenerator.h b/Source/cmInstallGenerator.h
index c4191e42d..b8e5b53cb 100644
--- a/Source/cmInstallGenerator.h
+++ b/Source/cmInstallGenerator.h
@@ -62,6 +62,8 @@ public:
   /** Select message level from CMAKE_INSTALL_MESSAGE or 'never'.  */
   static MessageLevel SelectMessageLevel(cmMakefile* mf, bool never = false);
 
+  virtual void Compute(cmLocalGenerator*) {}
+
 protected:
   virtual void GenerateScript(std::ostream& os);