From 9ffe296274178fc6a073fbeafffa65970214b659 Mon Sep 17 00:00:00 2001
From: James Benton <james.benton2@gmail.com>
Date: Thu, 14 Jun 2018 13:33:26 +0100
Subject: [PATCH] doxygen: Define __cplusplus

---
 docs/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index a9e2c5d0..3735de6f 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -31,6 +31,7 @@ if(DOXYGEN_FOUND)
    set(DOXYGEN_ENUM_VALUES_PER_LINE 1)
    set(DOXYGEN_CLASS_DIAGRAMS NO)
    set(DOXYGEN_COLLABORATION_GRAPH NO)
+   set(DOXYGEN_PREDEFINED "__cplusplus")
 
    doxygen_add_docs(docs
       "${CMAKE_CURRENT_SOURCE_DIR}/../include"