[gtk+/gtk-3-18] MSVC builds: Ensure /LTCG when necessary

[Chun-wei Fan <fanchunwei src gnome org>]

commit fb8c947091b2e3ff204dc97cc74714518837ee9e
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Oct 23 10:21:25 2015 +0800

    MSVC builds: Ensure /LTCG when necessary
    
    gtk3-demo, gtk3-demo-application and gtk3-icon-factory are built using
    /opt:noref as they use GResources without --manual-register, meaning that
    flag is used to avoid the linker from optimizing out the GResource items
    for release builds.
    
    Visual Studio 2015 changed its default link-time code generation setting
    to /LTCG:incremental, which would cause problems as it will cause the
    linker to optimize out the GResource items from the compiled code, so fix
    this by enforcing /LTCG for these three items.

 build/win32/vs10/gtk3-demo-application.vcxprojin |    2 +
 build/win32/vs10/gtk3-demo.vcxprojin             |   30 +++++++++++----------
 build/win32/vs10/gtk3-icon-browser.vcxprojin     |    2 +
 3 files changed, 20 insertions(+), 14 deletions(-)
---
diff --git a/build/win32/vs10/gtk3-demo-application.vcxprojin 
b/build/win32/vs10/gtk3-demo-application.vcxprojin
index 1d7d9af..a2b8e5b 100644
--- a/build/win32/vs10/gtk3-demo-application.vcxprojin
+++ b/build/win32/vs10/gtk3-demo-application.vcxprojin
@@ -107,6 +107,7 @@
       <SubSystem>Console</SubSystem>
       <OptimizeReferences>false</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
@@ -151,6 +152,7 @@
       <SubSystem>Console</SubSystem>
       <OptimizeReferences>false</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
diff --git a/build/win32/vs10/gtk3-demo.vcxprojin b/build/win32/vs10/gtk3-demo.vcxprojin
index 16b1e7a..614fada 100644
--- a/build/win32/vs10/gtk3-demo.vcxprojin
+++ b/build/win32/vs10/gtk3-demo.vcxprojin
@@ -96,14 +96,11 @@
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
-      <Optimization>Disabled</Optimization>
       
<AdditionalIncludeDirectories>..\..\..\gdk;..\..\..\gtk;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_DEBUG;$(GtkPrefixDefine);%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <MinimalRebuild>true</MinimalRebuild>
-      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
-      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <PreprocessorDefinitions>$(GtkPrefixDefine);%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
@@ -114,17 +111,24 @@
       <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
+      <FunctionLevelLinking>false</FunctionLevelLinking>
+      <OptimizeReferences>false</OptimizeReferences>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
       </DataExecutionPrevention>
-      <TargetMachine>MachineX64</TargetMachine>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
+      <TargetMachine>MachineX86</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
+      <Optimization>Disabled</Optimization>
       
<AdditionalIncludeDirectories>..\..\..\gdk;..\..\..\gtk;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>$(GtkPrefixDefine);%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <PreprocessorDefinitions>_DEBUG;$(GtkPrefixDefine);%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MinimalRebuild>true</MinimalRebuild>
+      <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
+      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <PrecompiledHeader>
       </PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
@@ -135,13 +139,10 @@
       <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
-      <FunctionLevelLinking>false</FunctionLevelLinking>
-      <OptimizeReferences>false</OptimizeReferences>
-      <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
       </DataExecutionPrevention>
-      <TargetMachine>MachineX86</TargetMachine>
+      <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -165,6 +166,7 @@
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
       </DataExecutionPrevention>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
diff --git a/build/win32/vs10/gtk3-icon-browser.vcxprojin b/build/win32/vs10/gtk3-icon-browser.vcxprojin
index 80fd216..c934e30 100644
--- a/build/win32/vs10/gtk3-icon-browser.vcxprojin
+++ b/build/win32/vs10/gtk3-icon-browser.vcxprojin
@@ -109,6 +109,7 @@
       <SubSystem>Console</SubSystem>
       <OptimizeReferences>false</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
       <TargetMachine>MachineX86</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
@@ -155,6 +156,7 @@
       <SubSystem>Console</SubSystem>
       <OptimizeReferences>false</OptimizeReferences>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>