From d6a5cd6e82d590daaeac5e83fc27c6a778e508e1 Mon Sep 17 00:00:00 2001
From: Anton Maklakov <anton@espressif.com>
Date: Tue, 18 Sep 2018 14:16:19 +0800
Subject: [PATCH] mqtt: silence a format warning

---
 components/mqtt/CMakeLists.txt | 8 ++++++++
 components/mqtt/component.mk   | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/components/mqtt/CMakeLists.txt b/components/mqtt/CMakeLists.txt
index 27cf1e285..d100f80a0 100644
--- a/components/mqtt/CMakeLists.txt
+++ b/components/mqtt/CMakeLists.txt
@@ -9,3 +9,11 @@ set(COMPONENT_SRCS "esp-mqtt/mqtt_client.c"
 set(COMPONENT_REQUIRES lwip nghttp mbedtls tcp_transport)
 
 register_component()
+
+if(GCC_NOT_5_2_0)
+    # Temporary suppress "format-overflow" warning until we are fixed in esp-mqtt repo
+    set_source_files_properties(
+        esp-mqtt/lib/transport_ws.c
+        PROPERTIES COMPILE_FLAGS
+        -Wno-format-overflow)
+endif()
diff --git a/components/mqtt/component.mk b/components/mqtt/component.mk
index 19e498025..7c7715954 100644
--- a/components/mqtt/component.mk
+++ b/components/mqtt/component.mk
@@ -2,3 +2,7 @@ COMPONENT_SUBMODULES += esp-mqtt
 COMPONENT_ADD_INCLUDEDIRS := esp-mqtt/include
 COMPONENT_SRCDIRS :=  esp-mqtt esp-mqtt/lib
 COMPONENT_PRIV_INCLUDEDIRS := esp-mqtt/lib/include
+
+ifeq ($(GCC_NOT_5_2_0), 1)
+esp-mqtt/lib/transport_ws.o: CFLAGS += -Wno-format-overflow
+endif