From faf460df99f17bd88eaac057e8110b8af57fbe8c Mon Sep 17 00:00:00 2001
From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Mon, 10 Jan 2022 16:35:57 +0100
Subject: [PATCH] gvc++: use GVDLL instead of _WIN32 to control storage-class
 attributes in GVRenderData.h

Towards https://gitlab.com/graphviz/graphviz/-/issues/2173.
---
 lib/gvc++/GVRenderData.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/gvc++/GVRenderData.h b/lib/gvc++/GVRenderData.h
index 94cdd4d9d..8ea7312a0 100644
--- a/lib/gvc++/GVRenderData.h
+++ b/lib/gvc++/GVRenderData.h
@@ -3,7 +3,7 @@
 #include <cstddef>
 #include <string_view>
 
-#ifdef _WIN32
+#ifdef GVDLL
 #if gvc___EXPORTS // CMake's substitution of gvc++_EXPORTS
 #define GVRENDER_API __declspec(dllexport)
 #else
-- 
2.40.0