From 319e891d7d0d54a08902d34e7f8a739152b0755b Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Mon, 22 Apr 2019 17:42:10 +0300
Subject: [PATCH] cmake: guard macro definitions in PCH scripts

fixes build with VTK
---
 cmake/OpenCVPCHSupport.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/OpenCVPCHSupport.cmake b/cmake/OpenCVPCHSupport.cmake
index 0590793401..b36fa78ccd 100644
--- a/cmake/OpenCVPCHSupport.cmake
+++ b/cmake/OpenCVPCHSupport.cmake
@@ -302,7 +302,7 @@ MACRO(ADD_PRECOMPILED_HEADER _targetName _input)
 if [ -n \"$VERBOSE\" ]; then
   tail -n1 \$0
 fi
-${_command} -D$<JOIN:$<TARGET_PROPERTY:${_targetName},COMPILE_DEFINITIONS>, -D>
+${_command} '-D$<JOIN:$<TARGET_PROPERTY:${_targetName},COMPILE_DEFINITIONS>,' '-D>'
 ")
     GET_FILENAME_COMPONENT(_outdir ${_output} PATH)
     ADD_CUSTOM_COMMAND(