From 347bba9dd15fff187d23830940cc317aa58519d3 Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Thu, 26 Jul 2018 14:07:04 +0100
Subject: [PATCH] CMakeLists.txt: detect -fcf-protection=full and
 -fstack-clash-protection

Introduced with GCC 8.2
---
 CMakeLists.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a02f62e62..e4b6bfe01 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -570,6 +570,14 @@ else()
     add_cxx_flag_if_supported(-fstack-protector-strong CXX_SECURITY_FLAGS)
   endif()
 
+  # New in GCC 8.2
+  if (NOT WIN32)
+    add_c_flag_if_supported(-fcf-protection=full C_SECURITY_FLAGS)
+    add_cxx_flag_if_supported(-fcf-protection=full CXX_SECURITY_FLAGS)
+    add_c_flag_if_supported(-fstack-clash-protection C_SECURITY_FLAGS)
+    add_cxx_flag_if_supported(-fstack-clash-protection CXX_SECURITY_FLAGS)
+  endif()
+
   # linker
   if (NOT WIN32)
     # Windows binaries die on startup with PIE