From 63d20c029bd283e03a93d3ab93e1565ac427cdce Mon Sep 17 00:00:00 2001
From: glx22 <glx22@users.noreply.github.com>
Date: Sun, 28 Jun 2020 01:18:28 +0200
Subject: Fix 887b912af: MinGW requires an extra link flag with _FORTIFY_SOURCE
 (#8246)

see #7860
---
 cmake/CompileFlags.cmake | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'cmake')

diff --git a/cmake/CompileFlags.cmake b/cmake/CompileFlags.cmake
index 9287ca249..e7d470c7d 100644
--- a/cmake/CompileFlags.cmake
+++ b/cmake/CompileFlags.cmake
@@ -33,6 +33,11 @@ macro(compile_flags)
         "$<$<CONFIG:Debug>:-D_DEBUG>"
         "$<$<NOT:$<CONFIG:Debug>>:-D_FORTIFY_SOURCE=2>" # FORTIFY_SOURCE should only be used in non-debug builds (requires -O1+)
     )
+    if (MINGW)
+        add_link_options(
+            "$<$<NOT:$<CONFIG:Debug>>:-fstack-protector>" # Prevent undefined references when _FORTIFY_SOURCE > 0
+        )
+    endif (MINGW)
 
     # Prepare a generator that checks if we are not a debug, and don't have asserts
     # on. We need this later on to set some compile options for stable releases.
-- 
cgit v1.2.3-70-g09d2