improve to detect vstudio cache #3652

1 files changed, 32 insertions, 0 deletions

diff --git a/xmake/modules/detect/sdks/find_vstudio.lua b/xmake/modules/detect/sdks/find_vstudio.lua
index 50092ff12..d3ff7fd7a 100644
--- a/xmake/modules/detect/sdks/find_vstudio.lua
+++ b/xmake/modules/detect/sdks/find_vstudio.lua
@@ -343,6 +343,34 @@ function _find_vstudio(opt)
     return results
 end
 
+-- get last mtime of msvc
+-- @see https://github.com/xmake-io/xmake/issues/3652
+function _get_last_mtime_of_msvc(msvc)
+    local mtime = -1
+    for arch, envs in pairs(msvc.vcvarsall) do
+        if envs.PATH then
+            local pathenv = path.splitenv(envs.PATH)
+            for _, dir in ipairs(pathenv) do
+                local cl = path.join(dir, "cl.exe")
+                if os.isfile(cl) then
+                    local t = os.mtime(cl)
+                    if t > mtime then
+                        mtime = t
+                    end
+                end
+            end
+        end
+        local winsdk = envs.WindowsSdkDir
+        if winsdk and os.isdir(winsdk) then
+            local t = os.mtime(winsdk)
+            if t > mtime then
+                mtime = t
+            end
+        end
+    end
+    return mtime
+end
+
 -- get last mtime of vstudio
 function _get_last_mtime(vstudio)
     local mtime = -1
@@ -353,6 +381,10 @@ function _get_last_mtime(vstudio)
             if t > mtime then
                 mtime = t
             end
+            t = _get_last_mtime_of_msvc(msvc)
+            if t > mtime then
+                mtime = t
+            end
         else
             mtime = -1
             break