on build failure

1 files changed, 26 insertions, 0 deletions

diff --git a/xmake/actions/build/main.lua b/xmake/actions/build/main.lua
index 27b2419da..50e84dc93 100644
--- a/xmake/actions/build/main.lua
+++ b/xmake/actions/build/main.lua
@@ -109,6 +109,25 @@ function _do_build(targetname, group_pattern)
     end
 end
 
+-- on exit
+function _on_exit(ok, errors)
+
+    -- since we call it in both os.atexit and catch block,
+    -- we need to avoid duplicate execution.
+    local handled = false
+    local exited = _g.exited
+    if not exited then
+        exited = true
+        handled = true
+        _g.exited = exited
+    end
+
+    -- we just handle the build failure
+    if handled and not ok then
+        print("build failed")
+    end
+end
+
 -- main
 function main()
 
@@ -144,6 +163,9 @@ function main()
     -- clean up temporary files once a day
     cleaner.cleanup()
 
+    -- register exit callbacks
+    os.atexit(_on_exit)
+
     try
     {
         function ()
@@ -163,6 +185,10 @@ function main()
         {
             function (errors)
 
+                -- maybe it's unreachable when building fails, so we need also os.atexit()
+                -- @see https://github.com/xmake-io/xmake/issues/3401
+                _on_exit(false, errors)
+
                 -- do rules after building
                 _do_project_rules("build_after", {errors = errors})