add RemoveUnreferencedCodeData option to disable /Zc:inline

Author: withmorten

modules/vstudio/tests/vc2010/test_compile_settings.lua

@@ -1546,6 +1546,45 @@
 	<PrecompiledHeader>NotUsing</PrecompiledHeader>
 	<WarningLevel>Level3</WarningLevel>
 	<Optimization>Disabled</Optimization>
+</ClCompile>
+		]]
+	end
+
+--
+-- If removeUnreferencedCodeData flag is set, add <RemoveUnreferencedCodeData> element
+--
+
+	function suite.onRemoveUnreferencedCodeDataOff()
+		removeunreferencedcodedata "Off"
+		prepare()
+		test.capture [[
+<ClCompile>
+	<PrecompiledHeader>NotUsing</PrecompiledHeader>
+	<WarningLevel>Level3</WarningLevel>
+	<Optimization>Disabled</Optimization>
+	<RemoveUnreferencedCodeData>false</RemoveUnreferencedCodeData>
+		]]
+	end
+
+	function suite.onRemoveUnreferencedCodeDataOn()
+		removeunreferencedcodedata "On"
+		prepare()
+		test.capture [[
+<ClCompile>
+	<PrecompiledHeader>NotUsing</PrecompiledHeader>
+	<WarningLevel>Level3</WarningLevel>
+	<Optimization>Disabled</Optimization>
+	<RemoveUnreferencedCodeData>true</RemoveUnreferencedCodeData>
+		]]
+	end
+
+	function suite.onRemoveUnreferencedCodeDataNotSpecified()
+		prepare()
+		test.capture [[
+<ClCompile>
+	<PrecompiledHeader>NotUsing</PrecompiledHeader>
+	<WarningLevel>Level3</WarningLevel>
+	<Optimization>Disabled</Optimization>
 </ClCompile>
 		]]
 	end

modules/vstudio/vs2010_vcxproj.lua

@@ -386,7 +386,8 @@
 			m.languageStandard,
 			m.conformanceMode,
 			m.structMemberAlignment,
-			m.useFullPaths
+			m.useFullPaths,
+			m.removeUnreferencedCodeData
 		}
 
 		if cfg.kind == p.STATICLIB then
@@ -1515,6 +1516,16 @@
 		end
 	end
 
+	function m.removeUnreferencedCodeData(cfg)
+		if cfg.removeUnreferencedCodeData ~= nil then
+			if cfg.removeUnreferencedCodeData then
+				m.element("RemoveUnreferencedCodeData", nil, "true")
+			else
+				m.element("RemoveUnreferencedCodeData", nil, "false")
+			end
+		end
+	end
+
 	function m.additionalCompileOptions(cfg, condition)
 		local opts = cfg.buildoptions
 		if _ACTION == "vs2015" or vstudio.isMakefile(cfg) then

src/_premake_init.lua

@@ -795,6 +795,12 @@
 		kind = "boolean"
 	}
 
+	api.register {
+		name = "removeunreferencedcodedata",
+		scope = "config",
+		kind = "boolean"
+	}
+
 	api.register {
 		name = "swiftversion",
 		scope = "config",

website/docs/removeunreferencedcodedata.md

@@ -0,0 +1,30 @@
+Sets the `RemoveUnreferencedCodeData` property for a configuration or all configurations within a project or workspace, adding or removing the `/Zc:inline[-]` build option.
+
+[/Zc:inline (Remove unreferenced COMDAT)](https://docs.microsoft.com/en-us/cpp/build/reference/zc-inline-remove-unreferenced-comdat?view=msvc-160)
+
+If this property is unset, it defaults to `true` in Visual Studio.
+
+```lua
+removeunreferencedcodedata ("value")
+```
+
+### Parameters ###
+
+`value` one of:
+* `on`  - Enables `RemoveUnreferencedCodeData`.
+* `off` - Disables `RemoveUnreferencedCodeData`.
+
+### Applies To ###
+
+Workspaces and projects.
+
+### Availability ###
+
+Premake 5.0 alpha 16 or later.
+
+### Examples ###
+
+```lua
+RemoveUnreferencedCodeData "Off"
+```
+

website/sidebars.js

@@ -192,6 +192,7 @@ module.exports = {
 						'project',
 						'propertydefinition',
 						'rebuildcommands',
+						'removeunreferencedcodedata',
 						'resdefines',
 						'resincludedirs',
 						'resoptions',