Merged in dcourtois/premake-dev/LinkTimeOptimization (pull request #60)

added support for LinkTimeOptimization flag

src/actions/vstudio/vs200x_vcproj.lua

@@ -398,6 +398,7 @@
 		end
 
 		vc200x.additionalIncludeDirectories(cfg, cfg.includedirs)
+		vc200x.wholeProgramOptimization(cfg)
 		vc200x.preprocessorDefinitions(cfg, cfg.defines)
 
 		vc200x.minimalRebuild(cfg)
@@ -923,6 +924,13 @@
 	end
 
 
+	function vc200x.wholeProgramOptimization(cfg)
+		if cfg.flags.LinkTimeOptimization then
+			_x(4,'WholeProgramOptimization="true"')
+		end
+	end
+
+
 	function vc200x.additionalLibraryDirectories(cfg)
 		if #cfg.libdirs > 0 then
 			local dirs = table.concat(project.getrelative(cfg.project, cfg.libdirs), ";")

src/actions/vstudio/vs2010_vcxproj.lua

@@ -171,6 +171,7 @@
 		"useOfMfc",
 		"clrSupport",
 		"characterSet",
+		"wholeProgramOptimization",
 		"nmakeOutDirs",
 	}
 
@@ -644,6 +645,11 @@
 		end
 	end
 
+	function vc2010.wholeProgramOptimization(cfg)
+		if cfg.flags.LinkTimeOptimization then
+			_p(2,'<WholeProgramOptimization>true</WholeProgramOptimization>')
+		end
+	end
 
 	function vc2010.clCompileAdditionalIncludeDirectories(cfg)
 		vc2010.additionalIncludeDirectories(cfg, cfg.includedirs)

src/base/api.lua

@@ -713,6 +713,7 @@
 			"FatalWarnings",
 			"FloatFast",
 			"FloatStrict",
+			"LinkTimeOptimization",
 			"Managed",
 			"MFC",
 			"MultiProcessorCompile",

tests/actions/vstudio/vc200x/test_compiler_block.lua

@@ -572,3 +572,19 @@
 				RuntimeLibrary="0"
 		]]
 	end
+
+--
+-- Check the LinkTimeOptimization flag.
+--
+
+	function suite.flags_onLinkTimeOptimization()
+		flags { "LinkTimeOptimization" }
+		prepare()
+		test.capture [[
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				WholeProgramOptimization="true"
+		]]
+
+	end

tests/actions/vstudio/vc2010/test_config_props.lua

@@ -203,3 +203,20 @@
 	</PropertyGroup>
 		]]
 	end
+
+
+--
+-- Check the LinkTimeOptimization flag
+--
+
+	function suite.useOfLinkTimeOptimization()
+		flags { "LinkTimeOptimization" }
+		prepare()
+		test.capture [[
+	<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+		<ConfigurationType>Application</ConfigurationType>
+		<UseDebugLibraries>false</UseDebugLibraries>
+		<CharacterSet>MultiByte</CharacterSet>
+		<WholeProgramOptimization>true</WholeProgramOptimization>
+		]]
+	end