Make headers work with C++

Signed-off-by: Jussi Pakkanen <jussi.pakkanen@canonical.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 9 insertions, 1 deletions

diff --git a/include/grail.h b/include/grail.h
index e2356da..d61197d 100644
--- a/include/grail.h
+++ b/include/grail.h
@@ -23,9 +23,13 @@
 #ifndef _GRAIL_H
 #define _GRAIL_H
 
+#include <linux/input.h>
 #include <grail-bits.h>
 #include <grail-types.h>
-#include <linux/input.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 #define DIM_GRAIL_TYPE          64
 #define DIM_GRAIL_TYPE_BYTES    ((DIM_GRAIL_TYPE + 7) >> 3)
@@ -266,4 +270,8 @@ void grail_get_units(const struct grail *ge,
 int grail_get_contacts(const struct grail *ge,
                        struct grail_contact *touch, int max_touch);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif