From: John Ellson <ellson@research.att.com>
Date: Mon, 6 Apr 2020 15:01:32 +0000 (-0400)
Subject: add '#ifdef __cplusplus' wrapper to sgd.h to try to fix windows build error
X-Git-Tag: stable_release_2.44.0~12^2~2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=11540551b398d4fe242cbad2031b03dee73e2af0;p=graphviz

add '#ifdef __cplusplus' wrapper to sgd.h to try to fix windows build error
---

diff --git a/lib/neatogen/sgd.c b/lib/neatogen/sgd.c
index 941ba6b7c..4d809c56b 100644
--- a/lib/neatogen/sgd.c
+++ b/lib/neatogen/sgd.c
@@ -1,3 +1,4 @@
+#include "neato.h"
 #include "sgd.h"
 #include "dijkstra.h"
 #include "randomkit.h"
diff --git a/lib/neatogen/sgd.h b/lib/neatogen/sgd.h
index 9b2b12f07..fcad8d091 100644
--- a/lib/neatogen/sgd.h
+++ b/lib/neatogen/sgd.h
@@ -1,8 +1,10 @@
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #ifndef SGD_H
 #define SGD_H
 
-#include "neato.h"
-
 typedef struct term_sgd {
     int i, j;
     float d, w;
@@ -20,3 +22,7 @@ typedef struct graph_sgd {
 extern void sgd(graph_t *, int);
 
 #endif /* SGD_H */
+
+#ifdef __cplusplus
+}
+#endif