From 32fb4a958566c3855cab5b2e414b45d4f4dc9a65 Mon Sep 17 00:00:00 2001
From: Julien Lecoeur <julien.lecoeur@gmail.com>
Date: Sun, 25 Aug 2019 13:47:55 +0200
Subject: [PATCH] px4io: force io firmware build

This fixes incremental build of the px4io firmware on targets that use the px4io driver.

fixes #11042
---
 src/drivers/px4io/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/drivers/px4io/CMakeLists.txt b/src/drivers/px4io/CMakeLists.txt
index 1cf4809fc6..b5b9881cb8 100644
--- a/src/drivers/px4io/CMakeLists.txt
+++ b/src/drivers/px4io/CMakeLists.txt
@@ -59,6 +59,7 @@ ExternalProject_Add(px4io_firmware
 	INSTALL_COMMAND ""
 	USES_TERMINAL_BUILD true
 	DEPENDS git_nuttx git_nuttx_apps
+	BUILD_ALWAYS 1
 )
 
 ExternalProject_Get_Property(px4io_firmware BINARY_DIR)