From 18d47fd5ff7198b62ba3765626c2c99903301285 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Wed, 4 Sep 2019 22:14:56 +0800
Subject: [PATCH] Fix polyfill for really old libbladerf-dev which doesn't
 provide an API version define

---
 sdr_bladerf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdr_bladerf.c b/sdr_bladerf.c
index 65ef2a8..e6ec308 100644
--- a/sdr_bladerf.c
+++ b/sdr_bladerf.c
@@ -24,7 +24,7 @@
 #include <inttypes.h>
 
 // Polyfill for the older bladerf API
-#if defined(LIBBLADERF_API_VERSION) && (LIBBLADERF_API_VERSION < 0x02000000)
+#if !defined(LIBBLADERF_API_VERSION) || (LIBBLADERF_API_VERSION < 0x02000000)
 typedef unsigned int bladerf_frequency;
 #endif