From 6b1705e491c056d07026c297de01b790b7e2349c Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Tue, 9 Aug 2022 12:19:15 -0600
Subject: [PATCH] Fix `operationAsString` Export

The `operationAsString` function is used in the ADIOS1 backend, which
does symbol hiding to wrap ADIOS1's MPI mock library. Thus, we need
to export this symbol once we wrap ADIOS1.
---
 include/openPMD/IO/IOTask.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/openPMD/IO/IOTask.hpp b/include/openPMD/IO/IOTask.hpp
index f8d08ab821..d4db58483b 100644
--- a/include/openPMD/IO/IOTask.hpp
+++ b/include/openPMD/IO/IOTask.hpp
@@ -67,7 +67,7 @@ namespace internal
      * The returned strings are compile-time constants, so no worries about
      * pointer validity.
      */
-    std::string operationAsString(Operation);
+    OPENPMDAPI_EXPORT std::string operationAsString(Operation);
 } // namespace internal
 
 struct OPENPMDAPI_EXPORT AbstractParameter