cmake: disable warning C4127 for MSVS < 2015

8 years ago · 26fbaada0a
parent 6946f510fe
commit 26fbaada0a
1 changed files with 7 additions and 2 deletions
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@ -341,8 +341,13 @@ if(MSVC)
  string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
  string(REPLACE "/W3" "/W4" CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG}")

-  if(NOT ENABLE_NOISY_WARNINGS AND MSVC_VERSION EQUAL 1400)
-    ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4510 /wd4610 /wd4312 /wd4201 /wd4244 /wd4328 /wd4267)
+  if(NOT ENABLE_NOISY_WARNINGS)
+    if(MSVC_VERSION EQUAL 1400)
+      ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4510 /wd4610 /wd4312 /wd4201 /wd4244 /wd4328 /wd4267)
+    endif()
+    if(MSVC_VERSION LESS 1900) # MSVS2015
+      ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4127) # warning C4127: conditional expression is constant
+    endif()
  endif()

  # allow extern "C" functions throw exceptions