From af6126adbe61fb2b6cc780025246d33df93072e6 Mon Sep 17 00:00:00 2001
From: Josh de Kock <josh@itanimul.li>
Date: Sun, 21 Aug 2016 22:59:08 +0100
Subject: ao_openal: enable building on OSX

Signed-off-by: Josh de Kock <josh@itanimul.li>
---
 audio/out/ao_openal.c     | 14 ++++++++++++++
 waftools/checks/custom.py | 13 ++++++++++++-
 wscript                   |  2 +-
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/audio/out/ao_openal.c b/audio/out/ao_openal.c
index 237226e4a5..aba049445d 100644
--- a/audio/out/ao_openal.c
+++ b/audio/out/ao_openal.c
@@ -24,6 +24,19 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <inttypes.h>
+
+#ifdef __APPLE__
+#ifndef AL_FORMAT_MONO_FLOAT32
+#define AL_FORMAT_MONO_FLOAT32 0x10010
+#endif
+#ifndef AL_FORMAT_STEREO_FLOAT32
+#define AL_FORMAT_STEREO_FLOAT32 0x10011
+#endif
+#ifndef AL_FORMAT_MONO_DOUBLE_EXT
+#define AL_FORMAT_MONO_DOUBLE_EXT 0x10012
+#endif
+#include <OpenAL/MacOSX_OALExtensions.h>
+#else
 #ifdef OPENAL_AL_H
 #include <OpenAL/alc.h>
 #include <OpenAL/al.h>
@@ -33,6 +46,7 @@
 #include <AL/al.h>
 #include <AL/alext.h>
 #endif
+#endif // __APPLE__
 
 #include "common/msg.h"
 
diff --git a/waftools/checks/custom.py b/waftools/checks/custom.py
index b570b4b836..50a16ce26a 100644
--- a/waftools/checks/custom.py
+++ b/waftools/checks/custom.py
@@ -4,7 +4,7 @@ from waflib import Utils
 import os
 
 __all__ = ["check_pthreads", "check_iconv", "check_lua", "check_oss_4front",
-           "check_cocoa"]
+           "check_cocoa", "check_openal"]
 
 pthreads_program = load_fragment('pthreads.c')
 
@@ -116,3 +116,14 @@ def check_cocoa(ctx, dependency_identifier):
         linkflags        = '-fobjc-arc')
 
     return fn(ctx, dependency_identifier)
+
+def check_openal(ctx, dependency_identifier):
+    checks = [
+        check_pkg_config('openal', '>= 1.13'),
+        check_statement(['OpenAL/AL.h'], 'int i = AL_VERSION', framework='OpenAL')
+        ]
+
+    for fn in checks:
+        if fn(ctx, dependency_identifier):
+            return True
+    return False
diff --git a/wscript b/wscript
index 6ec084729c..13cb5269ee 100644
--- a/wscript
+++ b/wscript
@@ -581,7 +581,7 @@ audio_output_features = [
     }, {
         'name': '--openal',
         'desc': 'OpenAL audio output',
-        'func': check_pkg_config('openal', '>= 1.13'),
+        'func': check_openal,
         'default': 'disable'
     }, {
         'name': '--opensles',
-- 
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