fix pybind issue in windows (#3801)

lanluo-nvidia · web-flow · commit 10a57b5372b5 · 2025-08-29T16:37:25.000-07:00
diff --git a/setup.py b/setup.py
@@ -631,7 +631,7 @@ def run(self):
             ),
             extra_compile_args=(
                 [
-                    f'/DPYBIND11_BUILD_ABI=\\"{torch._C._PYBIND11_BUILD_ABI}\\"',
+                    f'/DPYBIND11_BUILD_ABI=\\"{getattr(torch._C, "_PYBIND11_BUILD_ABI", "_cxxabi1018")}\\"',
                     "/GS-",
                     "/permissive-",
                     "/utf-8",

Original file line number	Diff line number	Diff line change
`@@ -631,7 +631,7 @@ def run(self):`
`631`	`631`	`),`
`632`	`632`	`extra_compile_args=(`
`633`	`633`	`[`
`634`		`- f'/DPYBIND11_BUILD_ABI=\\"{torch._C._PYBIND11_BUILD_ABI}\\"',`
	`634`	`+ f'/DPYBIND11_BUILD_ABI=\\"{getattr(torch._C, "_PYBIND11_BUILD_ABI", "_cxxabi1018")}\\"',`
`635`	`635`	`"/GS-",`
`636`	`636`	`"/permissive-",`
`637`	`637`	`"/utf-8",`