Added forceusings()

src/actions/vstudio/vs200x_vcproj.lua

@@ -980,6 +980,10 @@
 			local includes = project.getrelative(cfg.project, cfg.forceincludes)
 			_x(4,'ForcedIncludeFiles="%s"', table.concat(includes, ';'))
 		end
+		if #cfg.forceusings > 0 then
+			local usings = project.getrelative(cfg.project, cfg.forceusings)
+			_x(4,'ForcedUsingFiles="%s"', table.concat(usings, ';'))
+		end
 	end
 
 

src/actions/vstudio/vs2010_vcxproj.lua

@@ -619,6 +619,10 @@
 			local includes = project.getrelative(cfg.project, cfg.forceincludes)
 			_x(3,'<ForcedIncludeFiles>%s</ForcedIncludeFiles>', table.concat(includes, ';'))
 		end
+		if #cfg.forceusings > 0 then
+			local usings = project.getrelative(cfg.project, cfg.forceusings)
+			_x(3,'<ForcedUsingFiles>%s</ForcedUsingFiles>', table.concat(usings, ';'))
+		end
 	end
 
 

src/base/api.lua

@@ -672,6 +672,12 @@
 		kind = "file-list",
 	}
 
+	api.register {
+		name = "forceusings",
+		scope = "config",
+		kind = "file-list",
+	}
+
 	api.register {
 		name = "framework",
 		scope = "project",

tests/actions/vstudio/vc200x/test_compiler_block.lua

@@ -462,6 +462,24 @@
 		]]
 	end
 
+	function suite.forcedUsingFiles()
+		forceusings { "stdafx.h", "include/sys.h" }
+		prepare()
+		test.capture [[
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="2"
+				EnableFunctionLevelLinking="true"
+				UsePrecompiledHeader="0"
+				ProgramDataBaseFileName="$(OutDir)\MyProject.pdb"
+				WarningLevel="3"
+				DebugInformationFormat="0"
+				ForcedUsingFiles="stdafx.h;include/sys.h"
+		]]
+	end
+
 
 --
 -- Verify handling of the NoRuntimeChecks flag.

tests/actions/vstudio/vc2010/test_compile_settings.lua

@@ -555,6 +555,17 @@
 		]]
 	end
 
+	function suite.forcedUsingFiles()
+		forceusings { "stdafx.h", "include/sys.h" }
+		prepare()
+		test.capture [[
+		<ClCompile>
+			<PrecompiledHeader>NotUsing</PrecompiledHeader>
+			<WarningLevel>Level3</WarningLevel>
+			<ForcedUsingFiles>stdafx.h;include/sys.h</ForcedUsingFiles>
+		]]
+	end
+
 
 --
 -- Check handling of the NoRuntimeChecks flag.