Added defaultplatform support to gmake and gmake2 actions

modules/gmake/gmake.lua

@@ -25,13 +25,27 @@
 	function make.defaultconfig(target)
 		-- find the right configuration iterator function for this object
 		local eachconfig = iif(target.project, project.eachconfig, p.workspace.eachconfig)
-		local iter = eachconfig(target)
+		local defaultconfig = nil
+
+		-- find the right default configuration platform, grab first configuration that matches
+		if target.defaultplatform then
+			for cfg in eachconfig(target) do
+				if cfg.platform == target.defaultplatform then
+					defaultconfig = cfg
+					break
+				end
+			end
+		end
 
 		-- grab the first configuration and write the block
-		local cfg = iter()
-		if cfg then
+		if not defaultconfig then
+			local iter = eachconfig(target)
+			defaultconfig = iter()
+		end
+
+		if defaultconfig then
 			_p('ifndef config')
-			_x('  config=%s', cfg.shortname)
+			_x('  config=%s', defaultconfig.shortname)
 			_p('endif')
 			_p('')
 		end

modules/gmake/tests/workspace/test_default_config.lua

@@ -69,3 +69,19 @@ ifndef config
 endif
 		]]
 	end
+
+
+--
+-- Verify handling of defaultplatform
+--
+
+	function suite.defaultsToSpecifiedPlatform()
+		platforms { "Win32", "Win64" }
+		defaultplatform "Win64"
+		prepare()
+		test.capture [[
+ifndef config
+  config=debug_win64
+endif
+		]]
+	end

modules/gmake2/gmake2.lua

@@ -20,13 +20,27 @@
 	function gmake2.defaultconfig(target)
 		-- find the right configuration iterator function for this object
 		local eachconfig = iif(target.project, project.eachconfig, p.workspace.eachconfig)
-		local iter = eachconfig(target)
+		local defaultconfig = nil
+
+		-- find the right default configuration platform, grab first configuration that matches
+		if target.defaultplatform then
+			for cfg in eachconfig(target) do
+				if cfg.platform == target.defaultplatform then
+					defaultconfig = cfg
+					break
+				end
+			end
+		end
 
 		-- grab the first configuration and write the block
-		local cfg = iter()
-		if cfg then
+		if not defaultconfig then
+			local iter = eachconfig(target)
+			defaultconfig = iter()
+		end
+
+		if defaultconfig then
 			_p('ifndef config')
-			_x('  config=%s', cfg.shortname)
+			_x('  config=%s', defaultconfig.shortname)
 			_p('endif')
 			_p('')
 		end