From 8af82c87b20c95e2be4545d7e5ab0b17acdef0ed Mon Sep 17 00:00:00 2001
From: Euripedes Rocha <rocha.euripedes@espressif.com>
Date: Wed, 13 Sep 2023 09:13:31 +0200
Subject: [PATCH] feat(mqtt): Stop cmake process if submodule is missing

Closes https://github.com/espressif/esp-idf/issues/12202
---
 components/mqtt/CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/components/mqtt/CMakeLists.txt b/components/mqtt/CMakeLists.txt
index e8373a9af2..d2bb24a78e 100644
--- a/components/mqtt/CMakeLists.txt
+++ b/components/mqtt/CMakeLists.txt
@@ -1 +1,6 @@
-include(${CMAKE_CURRENT_LIST_DIR}/esp-mqtt/CMakeLists.txt)
+if(NOT EXISTS ${CMAKE_CURRENT_LIST_DIR}/esp-mqtt/CMakeLists.txt)
+    set(COMMAND  "git submodule update --init --recursive")
+    message(FATAL_ERROR "Missing esp-mqtt submodule. Please run '${COMMAND}' in ESP-IDF directory to fix this.")
+else()
+    include(${CMAKE_CURRENT_LIST_DIR}/esp-mqtt/CMakeLists.txt)
+endif()