From 59ff36d3bf7d73cd4efd6f89bbf9c86a09a04d16 Mon Sep 17 00:00:00 2001
From: Luca Weiss <luca.weiss@fairphone.com>
Date: Wed, 20 Mar 2024 08:25:10 +0100
Subject: [PATCH] CMake: Compile with -ftrivial-auto-var-init=zero

As per upstream guidance [0] we should compile the sources with this
flag in order to not hit issues with using uninitialized variables.

[0] https://android-review.googlesource.com/c/platform/system/core/+/2963911/1#message-01ebff378bb51f7815b6ed8b035a57fbce0418ab

Fixes #133
---
 vendor/CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/vendor/CMakeLists.txt b/vendor/CMakeLists.txt
index bcabe7e..9d33219 100644
--- a/vendor/CMakeLists.txt
+++ b/vendor/CMakeLists.txt
@@ -16,6 +16,9 @@ if(APPLE)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_DARWIN_C_SOURCE -D__DARWIN_C_LEVEL=__DARWIN_C_FULL")
 endif()
 
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftrivial-auto-var-init=zero")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftrivial-auto-var-init=zero")
+
 # Android seems to use various attributes supported by clang but not by
 # GCC which causes it to emit lots of warnings. Since these attributes
 # don't seem to effect runtime behaviour simply disable the warnings.