update msvc.lua

update msvc.lua


update msvc.lua


update clang.lua


update msvc.lua

2 files changed, 18 insertions, 3 deletions

diff --git a/xmake/rules/c++/modules/modules_support/clang.lua b/xmake/rules/c++/modules/modules_support/clang.lua
index 6e6a7cb89..437582ac2 100644
--- a/xmake/rules/c++/modules/modules_support/clang.lua
+++ b/xmake/rules/c++/modules/modules_support/clang.lua
@@ -157,7 +157,7 @@ function generate_dependencies(target, sourcebatch, opt)
                     table.insert(defines, "-D" .. define)
                 end
                 local ifile = path.translate(path.join(outputdir, path.filename(file) .. ".i"))
-                os.vrunv(compinst:program(), table.join(defines, {"-E", "-x", "c++", file,  "-o", ifile}))
+                os.vrunv(compinst:program(), table.join(defines, {"-E", "-x", "c++", file, "-o", ifile}))
                 return io.readfile(ifile)
             end)
             changed = true
diff --git a/xmake/rules/c++/modules/modules_support/msvc.lua b/xmake/rules/c++/modules/modules_support/msvc.lua
index 8138d6af1..6305f7933 100644
--- a/xmake/rules/c++/modules/modules_support/msvc.lua
+++ b/xmake/rules/c++/modules/modules_support/msvc.lua
@@ -121,7 +121,7 @@ function generate_dependencies(target, sourcebatch, opt)
     local compinst = target:compiler("cxx")
     local toolchain = target:toolchain("msvc")
     local vcvars = toolchain:config("vcvars")
-    local scandependenciesflag = get_scandependenciesflag(target)
+    local scandependenciesflag = nil -- get_scandependenciesflag(target)
     local common_flags = {"-TP", scandependenciesflag}
     local cachedir = common.modules_cachedir(target)
     local changed = false
@@ -142,8 +142,13 @@ function generate_dependencies(target, sourcebatch, opt)
                 os.vrunv(compinst:program(), table.join(compinst:compflags({target = target}), common_flags, flags), {envs = vcvars})
             else
                 common.fallback_generate_dependencies(target, jsonfile, sourcefile, function(file)
+                    local compinst = target:compiler("cxx")
+                    local defines = {}
+                    for _, define in ipairs(target:get("defines")) do
+                        table.insert(defines, "/D" .. define)
+                    end
                     local ifile = path.translate(path.join(outputdir, path.filename(file) .. ".i"))
-                    os.vrunv(compinst:program(), table.join(compinst:compflags({target = target}), {"/TP", "/P", file,  "/Fi" .. ifile}))
+                    os.vrunv(compinst:program(), table.join(defines, {"/nologo", get_cppversionflag(target), "/P", file,  "/Fi" .. ifile}), {envs = vcvars})
                     return io.readfile(ifile)
                 end)
             end
@@ -699,3 +704,13 @@ function get_requiresflags(target, requires, opt)
         return requireflags
     end
 end
+
+function get_cppversionflag(target)
+    local cppversionflag = _g.cppversionflag
+    if cppversionflag == nil then
+        local compinst = target:compiler("cxx")
+        local flags = compinst:compflags({target = target})
+        cppversionflag = table.find_if(flags, function(v) string.startswith(v, "/std:c++") end) or "/std:c++latest"
+    end
+    return cppversionflag or nil
+end