From 430b7586f6f6e1cbffba635171086b7cef87a3f6 Mon Sep 17 00:00:00 2001 From: mj-xmr Date: Mon, 8 Mar 2021 22:19:16 +0100 Subject: [PATCH] Warnings: add warnings as errors: 'switch' & 'return-type' --- CMakeLists.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/CMakeLists.txt b/CMakeLists.txt index 49ac18c66..af056c49a 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -744,6 +744,13 @@ else() add_linker_flag_if_supported(-Wl,--high-entropy-va LD_SECURITY_FLAGS) endif() + # Warnings, that when ignored are so severe, that they can segfault or even UB any application. + # Treat them as errors. + add_c_flag_if_supported( -Werror=switch C_SECURITY_FLAGS) + add_cxx_flag_if_supported(-Werror=switch CXX_SECURITY_FLAGS) + add_c_flag_if_supported( -Werror=return-type C_SECURITY_FLAGS) + add_cxx_flag_if_supported(-Werror=return-type CXX_SECURITY_FLAGS) + message(STATUS "Using C security hardening flags: ${C_SECURITY_FLAGS}") message(STATUS "Using C++ security hardening flags: ${CXX_SECURITY_FLAGS}") message(STATUS "Using linker security hardening flags: ${LD_SECURITY_FLAGS}")