From 11540551b398d4fe242cbad2031b03dee73e2af0 Mon Sep 17 00:00:00 2001
From: John Ellson <ellson@research.att.com>
Date: Mon, 6 Apr 2020 11:01:32 -0400
Subject: [PATCH] add '#ifdef __cplusplus' wrapper to sgd.h to try to fix
 windows build error

---
 lib/neatogen/sgd.c |  1 +
 lib/neatogen/sgd.h | 10 ++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

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
-- 
2.40.0