From f5dd983bd29a5092b4bbeddd7fc646edc7bf06c4 Mon Sep 17 00:00:00 2001
From: jpreiss <jamesalanpreiss@gmail.com>
Date: Tue, 26 Jan 2021 16:06:38 -0800
Subject: [PATCH] forward declaration to avoid ARM-specific __fp16

---
 src/utils/interface/lighthouse/lighthouse_calibration.h | 6 +++++-
 src/utils/src/lighthouse/lighthouse_calibration.c       | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/utils/interface/lighthouse/lighthouse_calibration.h b/src/utils/interface/lighthouse/lighthouse_calibration.h
index 80ce022d01..fd2ff2310f 100644
--- a/src/utils/interface/lighthouse/lighthouse_calibration.h
+++ b/src/utils/interface/lighthouse/lighthouse_calibration.h
@@ -1,6 +1,10 @@
 #pragma once
 
-#include "ootx_decoder.h"
+#include <stdbool.h>
+
+// Forward declaration from ootx_decoder.h. Avoid exposing __fp16 type, which
+// doesn't exist on x86, so this header can be compiled for Python bindings.
+struct ootxDataFrame_s;
 
 typedef struct {
   float phase;
diff --git a/src/utils/src/lighthouse/lighthouse_calibration.c b/src/utils/src/lighthouse/lighthouse_calibration.c
index c8bcc90a71..373dc3ec92 100644
--- a/src/utils/src/lighthouse/lighthouse_calibration.c
+++ b/src/utils/src/lighthouse/lighthouse_calibration.c
@@ -31,6 +31,7 @@
  */
 
 #include "lighthouse_calibration.h"
+#include "ootx_decoder.h"
 
 #include <math.h>
 #include "cf_math.h"