From e21f52f437abb18e4210a90d796edce486e50889 Mon Sep 17 00:00:00 2001
From: Peter De Wachter <pdewacht@gmail.com>
Date: Sun, 19 Apr 2020 21:05:03 +0200
Subject: [PATCH] Tweak compiler flags

---
 CMakeLists.txt | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bba0828..b1fe7f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -39,10 +39,11 @@ endmacro(extra_cxx_compiler_flag)
 # Compiler warnings
 extra_cxx_compiler_flag("-Wall")
 extra_cxx_compiler_flag("-Wno-missing-braces")
-# Some security flags
+extra_cxx_compiler_flag("-Wdate-time")
+# Some hardening flags
 extra_cxx_compiler_flag("-fstack-protector-strong")
 extra_cxx_compiler_flag("-Wformat")
-extra_cxx_compiler_flag("-Werror=format-security")
+extra_cxx_compiler_flag("-Wformat -Werror=format-security")
 extra_cxx_compiler_flag("-D_FORTIFY_SOURCE=2")
 # Enable the supported flags, but give priority to CXXFLAGS env var
 set(CMAKE_CXX_FLAGS "${EXTRA_CXX_FLAGS} ${CMAKE_CXX_FLAGS}")