cmake: eliminate GCC4.x warnings

6 years ago · 98a73de526
parent b669e9f648
commit 98a73de526
1 changed files with 3 additions and 0 deletions
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@ -132,6 +132,9 @@ if(CV_GCC OR CV_CLANG)
    if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
      add_extra_compiler_option(-Wno-strict-overflow) # Issue appears when compiling surf.cpp from opencv_contrib/modules/xfeatures2d
    endif()
+    if(CV_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
+      add_extra_compiler_option(-Wno-missing-field-initializers)  # GCC 4.x emits warnings about {}, fixed in GCC 5+
+    endif()
  endif()
  add_extra_compiler_option(-fdiagnostics-show-option)