From 0f07edded65e0e78fa7acda98e75d32cf525b952 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Wed, 24 Oct 2018 03:54:31 +0000
Subject: [PATCH] cmake: don't change baseline compiler flags in 'detection'
 mode

---
 cmake/OpenCVCompilerOptimizations.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmake/OpenCVCompilerOptimizations.cmake b/cmake/OpenCVCompilerOptimizations.cmake
index 377eb98a65..72a5ebd1b2 100644
--- a/cmake/OpenCVCompilerOptimizations.cmake
+++ b/cmake/OpenCVCompilerOptimizations.cmake
@@ -448,7 +448,9 @@ foreach(OPT ${CPU_KNOWN_OPTIMIZATIONS})
       if(NOT ";${CPU_BASELINE_FINAL};" MATCHES ";${OPT};")
         list(APPEND CPU_BASELINE_FINAL ${OPT})
       endif()
-      ocv_append_optimization_flag(CPU_BASELINE_FLAGS ${OPT})
+      if(NOT CPU_BASELINE_DETECT)  # Don't change compiler flags in 'detection' mode
+        ocv_append_optimization_flag(CPU_BASELINE_FLAGS ${OPT})
+      endif()
     endif()
   endif()
 endforeach()