alsa: Fix FTBFS with old versions of ALSA (fixes #4)

1 files changed, 26 insertions, 0 deletions

diff --git a/backends/alsa/alsa-compat.h b/backends/alsa/alsa-compat.h
new file mode 100644
index 0000000..8b6b134
--- /dev/null
+++ b/backends/alsa/alsa-compat.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2015 Michal Ratajsky <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the licence, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ALSA_COMPAT_H
+#define ALSA_COMPAT_H
+
+#define ALSA_PACK_VERSION(major, minor, subminor) \
+    (((major) << 16) |                            \
+     ((minor) << 8)  |                            \
+     (subminor))
+
+#endif /* ALSA_COMPAT_H */