From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Mon, 26 Jul 2021 14:57:20 +0000 (+0200)
Subject: gvc: correct storage-class attribute declarations in gvio.h
X-Git-Tag: 3.0.0~105^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=067c436d83344774aeeb71d7591833f6415f2934;p=graphviz

gvc: correct storage-class attribute declarations in gvio.h

Towards https://gitlab.com/graphviz/graphviz/-/issues/2058.
---

diff --git a/lib/gvc/gvio.h b/lib/gvc/gvio.h
index eaf6fc65e..078e17d07 100644
--- a/lib/gvc/gvio.h
+++ b/lib/gvc/gvio.h
@@ -17,21 +17,15 @@ extern "C" {
 #endif
 
 #ifdef GVDLL
+#ifdef GVC_EXPORTS
 #define GVIO_API __declspec(dllexport)
 #else
-#define GVIO_API
-#endif
-
-/*visual studio*/
-#ifdef _WIN32
-#ifndef GVC_EXPORTS
-#undef GVIO_API
 #define GVIO_API __declspec(dllimport)
 #endif
 #endif
-/*end visual studio*/
+
 #ifndef GVIO_API
-#define GVIO_API extern
+#define GVIO_API /* nothing */
 #endif
 
     GVIO_API size_t gvwrite (GVJ_t * job, const char *s, size_t len);