esp32: disable stack protector for startup code (CMake)

Files where stack protector is initialized should not be compiled with
stack protector enabled. This was done for Make but missing for CMake.

Fixes https://github.com/espressif/esp-idf/issues/2990.

diff --git a/components/esp32/CMakeLists.txt b/components/esp32/CMakeLists.txt
index eb2012964d80392980849d528e7522a27f63ce9d..5416ad225685f7b4ec9767aa4aede598b9d05290 100644 (file)
--- a/components/esp32/CMakeLists.txt
+++ b/components/esp32/CMakeLists.txt
@@ -142,4 +142,9 @@ else()
 
     endif()
 
+    # disable stack protection in files which are involved in initialization of that feature
+    set_source_files_properties(
+        stack_check.c cpu_start.c
+        PROPERTIES COMPILE_FLAGS
+        -fno-stack-protector)
 endif()