core: mark function `inline` (NFC)
Mark this stub as `inline` to ensure that the body is emitted inline and
no symbol implementation is provided. This is required as otherwise,
the function is emitted everywhere as a result of being defined in the
header, but is not given COMDAT resulting in a multiply defined symbol.
This allows linking tensorflow.dll on Windows with VS2019.
diff --git a/tensorflow/core/platform/windows/subprocess.h b/tensorflow/core/platform/windows/subprocess.h
index 9084ff5..4f17b14 100644
--- a/tensorflow/core/platform/windows/subprocess.h
+++ b/tensorflow/core/platform/windows/subprocess.h
@@ -26,7 +26,8 @@
// SubProcess is not yet implemented for Windows.
class SubProcess {};
-std::unique_ptr<SubProcess> CreateSubProcess(const std::vector<string>& argv) {
+inline std::unique_ptr<SubProcess>
+CreateSubProcess(const std::vector<string>& argv) {
LOG(FATAL) << "CreateSubProcess NOT IMPLEMENTED for Windows yet ! ";
return nullptr;
}
