From 49c4d0a27c3de089a8f50695cddc73532d622f95 Mon Sep 17 00:00:00 2001
From: Thanatomanic <6567747+Thanatomanic@users.noreply.github.com>
Date: Fri, 5 Jun 2020 08:41:26 +0200
Subject: [PATCH] Temporarily prevents #5749 from causing issues for the
 unknown user when compiling dev

Code taken from https://bitbucket.org/agriggio/art/commits/d65d285968a0cc799a6daec3c3b8b81dba03a4cb
---
 CMakeLists.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1c6530734..b7cf35099 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,6 +44,13 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION
             "Building RawTherapee requires using GCC version 4.9 or higher!")
 endif()
 
+# Warning for GCC 10, which causes problems #5749:
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER "10.0")
+    message(STATUS "WARNING: gcc ${CMAKE_CXX_COMPILER_VERSION} is known to miscompile RawTherapee when using -ftree-loop-vectorize, forcing the option to be off")    
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-tree-loop-vectorize")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-tree-loop-vectorize")
+endif()
+
 # We might want to build using the old C++ ABI, even when using a new GCC
 # version:
 if(USE_OLD_CXX_ABI)