From 56b5a7d9772c75795d0b2d644c9ddcbcc42ef03d Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.a.alekhin@gmail.com>
Date: Fri, 3 Jul 2020 19:31:41 +0000
Subject: [PATCH] cmake: fix ENABLE_PROFILING

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

diff --git a/cmake/OpenCVCompilerOptions.cmake b/cmake/OpenCVCompilerOptions.cmake
index 476156f256..9ac671dd34 100644
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@@ -189,7 +189,6 @@ if(CV_GCC OR CV_CLANG)
 
   # Profiling?
   if(ENABLE_PROFILING)
-    add_extra_compiler_option("-pg -g")
     # turn off incompatible options
     foreach(flags CMAKE_CXX_FLAGS CMAKE_C_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_DEBUG
                   OPENCV_EXTRA_FLAGS_RELEASE OPENCV_EXTRA_FLAGS_DEBUG OPENCV_EXTRA_C_FLAGS OPENCV_EXTRA_CXX_FLAGS)
@@ -197,6 +196,9 @@ if(CV_GCC OR CV_CLANG)
       string(REPLACE "-ffunction-sections" "" ${flags} "${${flags}}")
       string(REPLACE "-fdata-sections" "" ${flags} "${${flags}}")
     endforeach()
+    # -pg should be placed both in the linker and in the compiler settings
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pg")
+    add_extra_compiler_option("-pg -g")
   else()
     if(MSVC)
       # TODO: Clang/C2 is not supported