From bef80e66231a0bd2feffab02fe8d1d8f55eb793c Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Wed, 12 Sep 2018 13:45:05 -0400
Subject: VS: Do not specify incremental linking if LTCG is enabled

Otherwise the linker may warn:

    LNK4075: ignoring '/INCREMENTAL' due to '/LTCG' specification
---
 Source/cmVisualStudio10TargetGenerator.cxx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Source/cmVisualStudio10TargetGenerator.cxx b/Source/cmVisualStudio10TargetGenerator.cxx
index c0b0435..2a54cfc 100644
--- a/Source/cmVisualStudio10TargetGenerator.cxx
+++ b/Source/cmVisualStudio10TargetGenerator.cxx
@@ -2374,9 +2374,11 @@ void cmVisualStudio10TargetGenerator::OutputLinkIncremental(
   Options& linkOptions = *(this->LinkOptions[configName]);
   const std::string cond = this->CalcCondition(configName);
 
-  const char* incremental = linkOptions.GetFlag("LinkIncremental");
-  e1.WritePlatformConfigTag("LinkIncremental", cond,
-                            (incremental ? incremental : "true"));
+  if (this->IPOEnabledConfigurations.count(configName) == 0) {
+    const char* incremental = linkOptions.GetFlag("LinkIncremental");
+    e1.WritePlatformConfigTag("LinkIncremental", cond,
+                              (incremental ? incremental : "true"));
+  }
   linkOptions.RemoveFlag("LinkIncremental");
 
   const char* manifest = linkOptions.GetFlag("GenerateManifest");
-- 
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