From 61e71eb1dc971d03b5b82513adc8e3cf27d0edd4 Mon Sep 17 00:00:00 2001
From: "stefan.graenitz" <stefan.graenitz@gmail.com>
Date: Tue, 31 May 2016 14:26:14 +0200
Subject: [PATCH] Add incremental linking option for Visual Studio exporters

---
 .../Project Saving/jucer_ProjectExport_MSVC.h     | 15 +++++++++++++++
 extras/Projucer/Source/Utility/jucer_PresetIDs.h  |  1 +
 2 files changed, 16 insertions(+)

diff --git a/extras/Projucer/Source/Project Saving/jucer_ProjectExport_MSVC.h b/extras/Projucer/Source/Project Saving/jucer_ProjectExport_MSVC.h
index c174c82718..9f741b3e41 100644
--- a/extras/Projucer/Source/Project Saving/jucer_ProjectExport_MSVC.h	
+++ b/extras/Projucer/Source/Project Saving/jucer_ProjectExport_MSVC.h	
@@ -335,6 +335,9 @@ protected:
         Value shouldGenerateManifestValue()         { return getValue (Ids::generateManifest); }
         bool shouldGenerateManifest() const         { return config [Ids::generateManifest]; }
 
+        Value shouldLinkIncrementalValue()          { return getValue (Ids::enableIncrementalLinking); }
+        bool shouldLinkIncremental() const          { return config [Ids::enableIncrementalLinking]; }
+
         Value getWholeProgramOptValue()             { return getValue (Ids::wholeProgramOptimisation); }
         bool shouldDisableWholeProgramOpt() const   { return static_cast<int> (config [Ids::wholeProgramOptimisation]) > 0; }
 
@@ -399,6 +402,12 @@ protected:
                                                         StringArray (wpoNames), Array<var> (wpoValues, numElementsInArray (wpoValues))));
             }
 
+            {
+                props.add (new BooleanPropertyComponent (shouldLinkIncrementalValue(), "Incremental Linking", "Enable"),
+                           "Enable to avoid linking from scratch for every new build. "
+                           "Disable to ensure that your final release build does not contain padding or thunks.");
+            }
+
             if (! isDebug())
                 props.add (new BooleanPropertyComponent (shouldGenerateDebugSymbolsValue(), "Debug Symbols", "Force generation of debug symbols"));
 
@@ -1026,6 +1035,7 @@ protected:
 
             linker->setAttribute ("IgnoreDefaultLibraryNames", isDebug ? "libcmt.lib, msvcrt.lib" : "");
             linker->setAttribute ("GenerateDebugInformation", (isDebug || config.shouldGenerateDebugSymbols()) ? "true" : "false");
+            linker->setAttribute ("LinkIncremental", config.shouldLinkIncremental() ? "2" : "1");
             linker->setAttribute ("ProgramDatabaseFile", getIntDirFile (config, config.getOutputFilename (".pdb", true)));
             linker->setAttribute ("SubSystem", msvcIsWindowsSubsystem ? "2" : "1");
 
@@ -1073,6 +1083,8 @@ protected:
 
                 linker->setAttribute ("OutputFile", getOutDirFile (config, config.getOutputFilename (msvcTargetSuffix, false)));
                 linker->setAttribute ("IgnoreDefaultLibraryNames", isDebug ? "libcmt.lib, msvcrt.lib" : "");
+
+                linker->setAttribute ("LinkIncremental", config.shouldLinkIncremental() ? "2" : "1");
             }
             else
             {
@@ -1370,6 +1382,9 @@ protected:
             if (! (config.isDebug() || config.shouldDisableWholeProgramOpt()))
                 e->createNewChildElement ("WholeProgramOptimization")->addTextElement ("true");
 
+            if (config.shouldLinkIncremental())
+                e->createNewChildElement ("LinkIncremental")->addTextElement ("true");
+
             if (config.is64Bit())
                 e->createNewChildElement ("PlatformToolset")->addTextElement (getPlatformToolset());
         }
diff --git a/extras/Projucer/Source/Utility/jucer_PresetIDs.h b/extras/Projucer/Source/Utility/jucer_PresetIDs.h
index 3bbb26e206..f9203f3323 100644
--- a/extras/Projucer/Source/Utility/jucer_PresetIDs.h
+++ b/extras/Projucer/Source/Utility/jucer_PresetIDs.h
@@ -117,6 +117,7 @@ namespace Ids
     DECLARE_ID (generateManifest);
     DECLARE_ID (useRuntimeLibDLL);
     DECLARE_ID (wholeProgramOptimisation);
+    DECLARE_ID (enableIncrementalLinking);
     DECLARE_ID (buildVST);
     DECLARE_ID (bundleIdentifier);
     DECLARE_ID (aaxIdentifier);