From: Magnus Jacobsson <Magnus.Jacobsson@berotec.se>
Date: Thu, 22 Jul 2021 14:00:24 +0000 (+0200)
Subject: pathplan: add support for the dllexport storage-class attribute in pathutil.h
X-Git-Tag: 3.0.0~121^2~18
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7f38e27703efd00212a0b88634f17f5aa0a8dfbd;p=graphviz

pathplan: add support for the dllexport storage-class attribute in pathutil.h

Also, storage-class attributes are now added only when the GVDLL
symbol is defined.

This will allow removing the pathutil.h symbols from the pathplan.def
file in an upcoming commit.

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

diff --git a/lib/pathplan/pathutil.h b/lib/pathplan/pathutil.h
index 503ed90f6..db5fc701b 100644
--- a/lib/pathplan/pathutil.h
+++ b/lib/pathplan/pathutil.h
@@ -27,8 +27,10 @@ extern "C" {
 #endif
 
 /*visual studio*/
-#ifdef _WIN32
-#ifndef PATHPLAN_EXPORTS
+#ifdef GVDLL
+#ifdef PATHPLAN_EXPORTS
+#define PATHUTIL_API __declspec(dllexport)
+#else
 #define PATHUTIL_API __declspec(dllimport)
 #endif
 #endif