Add structmemberalign API + implement for vstudio

modules/vstudio/tests/vc2010/test_compile_settings.lua

@@ -1238,3 +1238,20 @@
 </ClCompile>
 		]]
 	end
+
+--
+-- Check StructMemberAlignment
+--
+
+	function suite.structMemberAlignment()
+		structmemberalign "1Byte"
+		prepare()
+		test.capture [[
+<ClCompile>
+	<PrecompiledHeader>NotUsing</PrecompiledHeader>
+	<WarningLevel>Level3</WarningLevel>
+	<Optimization>Disabled</Optimization>
+	<StructMemberAlignment>1Byte</StructMemberAlignment>
+</ClCompile>
+		]]
+	end

modules/vstudio/vs2010_vcxproj.lua

@@ -347,6 +347,7 @@
 			m.compileAs,
 			m.callingConvention,
 			m.languageStandard,
+			m.structMemberAlignment,
 		}
 
 		if cfg.kind == p.STATICLIB then
@@ -1269,6 +1270,11 @@
 		end
 	end
 
+	function m.structMemberAlignment(cfg)
+		if cfg.structmemberalign then
+			m.element("StructMemberAlignment", nil, cfg.structmemberalign)
+		end
+	end
 
 	function m.additionalCompileOptions(cfg, condition)
 		local opts = cfg.buildoptions

src/_premake_init.lua

@@ -1336,6 +1336,19 @@
 		}
 	}
 
+	p.api.register {
+		name = "structmemberalign",
+		scope = "config",
+		kind = "string",
+		allowed = {
+			"1Byte",
+			"2Bytes",
+			"4Bytes",
+			"8Bytes",
+			"16Bytes",
+		}
+	}
+
 -----------------------------------------------------------------------------
 --
 -- Field name aliases for backward compatibility