[opencv] 81/89: build: eliminate ICC warnings

[Nobuhiro Iwamatsu]

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iwamatsu pushed a commit to annotated tag 2.4.13.2
in repository opencv.

commit 041502e42c7eb28fdbb821695204ed2dfe8730a0
Author: Alexander Alekhin <alexander.alekhin at intel.com>
Date:   Wed Dec 7 13:16:44 2016 +0300

    build: eliminate ICC warnings
---
 cmake/OpenCVCompilerOptions.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmake/OpenCVCompilerOptions.cmake b/cmake/OpenCVCompilerOptions.cmake
index 15523c6..5d41e75 100644
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@@ -368,4 +368,10 @@ if(MSVC)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4589") # Constructor of abstract class ... ignores initializer for virtual base class 'cv::Algorithm'
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4359") # Alignment specifier is less than actual alignment (4), and will be ignored
   endif()
+
+  if(CV_ICC AND NOT ENABLE_NOISY_WARNINGS)
+    foreach(flags CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_DEBUG)
+      string(REGEX REPLACE "( |^)/W[0-9]+( |$)" "\\1\\2" ${flags} "${${flags}}")
+    endforeach()
+  endif()
 endif()

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