From 79a5788e180273f86270b739854819a094368dc0 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vladimir.cunat@nic.cz>
Date: Tue, 20 May 2025 08:28:32 +0200
Subject: [PATCH] tests: add check for C++ compatibility in headers

---
 tests/lib-includes.cpp | 13 +++++++++++++
 tests/meson.build      | 14 ++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 tests/lib-includes.cpp

diff --git a/tests/lib-includes.cpp b/tests/lib-includes.cpp
new file mode 100644
index 000000000..8924171f5
--- /dev/null
+++ b/tests/lib-includes.cpp
@@ -0,0 +1,13 @@
+
+extern "C" {
+	#include "lib/utils.h"
+	#include "lib/resolve.h"
+	#include "lib/module.h"
+	#include "lib/layer.h"
+	#include "lib/rplan.h"
+	#include "lib/rules/api.h"
+}
+
+int main()
+{
+}
diff --git a/tests/meson.build b/tests/meson.build
index 3b2bb6548..c86de2090 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -58,3 +58,17 @@ if build_extra_tests
   endforeach
   message('--------------------------------')
 endif
+
+if build_extra_tests
+  # Just try that C++ compiler can chew through our library includes.
+  cpp_test = executable(
+    'cpp-lib-includes',
+    files(['lib-includes.cpp']),
+    dependencies: [
+      kresconfig_dep,
+      contrib_dep,
+      libkres_dep,
+      libknot,
+    ],
+  )
+endif
-- 
2.47.2