add policy msbuild.multi_tool_task

xmake/core/project/policy.lua

@@ -131,6 +131,8 @@ function policy.policies()
             ["package.xmake.pass_depconfs"]       = {description = "Automatically passes dependency configuration for inner xmake package", default = true, type = "boolean"},
             -- It will force cmake package use ninja for build
             ["package.cmake_generator.ninja"]     = {description = "Set cmake package use ninja for build", default = false, type = "boolean"},
+            -- Enable msbuild MultiToolTask
+            ["package.msbuild.multi_tool_task"]   = {description = "Enable msbuild MultiToolTask.", type = "boolean"},
             -- Stop to test on the first failure
             ["test.stop_on_first_failure"]        = {description = "Stop to test on the first failure", default = false, type = "boolean"},
             -- Return zero as exit code on failure

xmake/modules/package/tools/cmake.lua

@@ -29,6 +29,7 @@ import("core.project.project")
 import("lib.detect.find_file")
 import("lib.detect.find_tool")
 import("package.tools.ninja")
+import("package.tools.msbuild")
 import("detect.sdks.find_emsdk")
 import("private.utils.toolchain", {alias = "toolchain_utils"})
 
@@ -945,14 +946,8 @@ end
 
 -- do build for msvc
 function _build_for_msvc(package, configs, opt)
-    local jobs = _get_parallel_njobs(opt)
     local slnfile = assert(find_file("*.sln", os.curdir()), "*.sln file not found!")
-    local runenvs = _get_msvc_runenvs(package)
-    local msbuild = find_tool("msbuild", {envs = runenvs})
-    os.vrunv(msbuild.program, {slnfile, "-nologo", "-t:Rebuild",
-            (jobs ~= nil and format("-m:%d", jobs) or "-m"),
-            "-p:Configuration=" .. (package:is_debug() and "Debug" or "Release"),
-            "-p:Platform=" .. _get_vsarch(package)}, {envs = runenvs})
+    msbuild.build(package, {slnfile, "-t:Rebuild"})
 end
 
 -- do build for make
@@ -1013,17 +1008,11 @@ end
 
 -- do install for msvc
 function _install_for_msvc(package, configs, opt)
-    local jobs = _get_parallel_njobs(opt)
     local slnfile = assert(find_file("*.sln", os.curdir()), "*.sln file not found!")
-    local runenvs = _get_msvc_runenvs(package)
-    local msbuild = assert(find_tool("msbuild", {envs = runenvs}), "msbuild not found!")
-    os.vrunv(msbuild.program, {slnfile, "-nologo", "-t:Rebuild", "/nr:false",
-        (jobs ~= nil and format("-m:%d", jobs) or "-m"),
-        "-p:Configuration=" .. (package:is_debug() and "Debug" or "Release"),
-        "-p:Platform=" .. _get_vsarch(package)}, {envs = runenvs})
+    msbuild.build(package, {slnfile, "-t:Rebuild", "/nr:false"})
     local projfile = os.isfile("INSTALL.vcxproj") and "INSTALL.vcxproj" or "INSTALL.vcproj"
     if os.isfile(projfile) then
-        os.vrunv(msbuild.program, {projfile, "/property:configuration=" .. (package:is_debug() and "Debug" or "Release")}, {envs = runenvs})
+        msbuild.build(package, {projfile})
         os.trycp("install/bin", package:installdir())
         os.trycp("install/lib", package:installdir()) -- perhaps only headers library
         os.trycp("install/share", package:installdir())

xmake/modules/package/tools/msbuild.lua

@@ -20,6 +20,7 @@
 
 -- imports
 import("core.base.option")
+import("core.project.project")
 import("core.tool.toolchain")
 import("lib.detect.find_tool")
 import("private.utils.upgrade_vsproj")
@@ -64,6 +65,11 @@ function _get_configs(package, configs, opt)
     if not configs_str:find("p:Platform=", 1, true) then
         table.insert(configs, "-p:Platform=" .. _get_vsarch(package))
     end
+    if jobs and project.policy("package.msbuild.multi_tool_task") then
+        table.insert(configs, "/p:UseMultiToolTask=true")
+        table.insert(configs, "/p:EnforceProcessCountAcrossBuilds=true")
+        table.insert(configs, format("/p:MultiProcMaxCount=%d", jobs))
+    end
     return configs
 end