From a67a984d29d5ad78cf4bbebcd482a6b497120f13 Mon Sep 17 00:00:00 2001
From: "Rebecca N. Palmer" <rebecca_palmer@zoho.com>
Date: Fri, 13 Mar 2015 18:19:58 +0000
Subject: [PATCH] Make nasal/iolib.h available to flightgear (for io.open)

---
 simgear/nasal/CMakeLists.txt | 4 ++--
 simgear/nasal/iolib.h        | 7 ++++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/simgear/nasal/CMakeLists.txt b/simgear/nasal/CMakeLists.txt
index 8f900ad1..8f4d2c90 100644
--- a/simgear/nasal/CMakeLists.txt
+++ b/simgear/nasal/CMakeLists.txt
@@ -4,6 +4,7 @@ include (SimGearComponent)
 set(HEADERS 
     naref.h
     nasal.h
+    iolib.h
     )
 
 set(SOURCES 
@@ -26,8 +27,7 @@ set(SOURCES
     vector.c
     code.h
     data.h
-    iolib.h
     parse.h
     )
 
-simgear_component(nasal nasal "${SOURCES}" "${HEADERS}")
\ No newline at end of file
+simgear_component(nasal nasal "${SOURCES}" "${HEADERS}")
diff --git a/simgear/nasal/iolib.h b/simgear/nasal/iolib.h
index 7d472000..a889ed89 100644
--- a/simgear/nasal/iolib.h
+++ b/simgear/nasal/iolib.h
@@ -1,5 +1,8 @@
 #ifndef _IOLIB_H
 #define _IOLIB_H
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #include "nasal.h"
 
@@ -33,5 +36,7 @@ extern struct naIOType naStdIOType;
 
 // Defined in iolib.c, there is no "library" header to put this in
 naRef naIOGhost(naContext c, FILE* f);
-
+#ifdef __cplusplus
+} // extern "C"
+#endif
 #endif // _IOLIB_H