From 0994283a7d427b0554398b912360312b621de8ee Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 3 Aug 2012 17:36:43 +0000
Subject: Add compile test for all headers.

---
 lv2/lv2plug.in/ns/ext/event/event-helpers.h | 16 +++++++++++++---
 wscript                                     | 19 +++++++++++++++++++
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/lv2/lv2plug.in/ns/ext/event/event-helpers.h b/lv2/lv2plug.in/ns/ext/event/event-helpers.h
index 8e29507..fcd13fe 100644
--- a/lv2/lv2plug.in/ns/ext/event/event-helpers.h
+++ b/lv2/lv2plug.in/ns/ext/event/event-helpers.h
@@ -22,13 +22,19 @@
 #ifndef LV2_EVENT_HELPERS_H
 #define LV2_EVENT_HELPERS_H
 
+#include <assert.h>
 #include <stdint.h>
-#include <stdbool.h>
-#include <string.h>
 #include <stdlib.h>
-#include <assert.h>
+#include <string.h>
+
 #include "lv2/lv2plug.in/ns/ext/event/event.h"
 
+#ifdef __cplusplus
+extern "C" {
+#else
+#    include <stdbool.h>
+#endif
+
 /** @file
  * Helper functions for the LV2 Event extension
  * <http://lv2plug.in/ns/ext/event>.
@@ -246,5 +252,9 @@ lv2_event_write_event(LV2_Event_Iterator* iter,
 	return true;
 }
 
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
 #endif /* LV2_EVENT_HELPERS_H */
 
diff --git a/wscript b/wscript
index 61dd66c..18381a9 100644
--- a/wscript
+++ b/wscript
@@ -307,6 +307,25 @@ def build(bld):
             source = ['lv2/lv2plug.in/ns/index.html.in'] + index_files,
             target = 'ns/index.html')
 
+    if bld.env['BUILD_TESTS']:
+        # Generate a compile test .c file that includes all headers
+        def gen_build_test(task):
+            out = open(task.outputs[0].abspath(), 'w')
+            for i in task.inputs:
+                out.write('#include "%s"\n' % i.bldpath())
+            out.write('int main() { return 0; }\n')
+            out.close()
+
+        bld(rule         = gen_build_test,
+            source       = bld.path.ant_glob('lv2/**/*.h'),
+            target       = 'build_test.c',
+            install_path = None)
+
+        bld(features     = 'c',
+            source       = bld.path.get_bld().make_node('build_test.c'),
+            target       = 'build_test',
+            install_path = None)
+
 def lint(ctx):
     for i in (['lv2/lv2plug.in/ns/lv2core/lv2.h']
               + glob.glob('lv2/lv2plug.in/ns/ext/*/*.h')
-- 
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