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cmake: set _WIN32_WINNT for Windows 7 API

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This commit is contained in:
Alexander Alekhin 2019-11-11 20:19:40 +00:00
parent ba58bba4e8
commit af92a517a7
1 changed files with 13 additions and 0 deletions
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13
cmake/OpenCVCompilerOptions.cmake
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@ -383,6 +383,19 @@ if(MSVC)
add_definitions(-D_VARIADIC_MAX=10) add_definitions(-D_VARIADIC_MAX=10)
endif() endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
get_directory_property(__DIRECTORY_COMPILE_DEFINITIONS COMPILE_DEFINITIONS)
if((NOT " ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE} ${OPENCV_EXTRA_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS_RELEASE} ${__DIRECTORY_COMPILE_DEFINITIONS}" MATCHES "_WIN32_WINNT"
AND NOT OPENCV_CMAKE_SKIP_MACRO_WIN32_WINNT)
OR OPENCV_CMAKE_FORCE_MACRO_WIN32_WINNT
)
# https://docs.microsoft.com/en-us/cpp/porting/modifying-winver-and-win32-winnt
# Target Windows 7 API
set(OPENCV_CMAKE_MACRO_WIN32_WINNT "0x0601" CACHE STRING "Value of _WIN32_WINNT macro")
add_definitions(-D_WIN32_WINNT=${OPENCV_CMAKE_MACRO_WIN32_WINNT})
endif()
endif()
# Enable compiler options for OpenCV modules/apps/samples only (ignore 3rdparty) # Enable compiler options for OpenCV modules/apps/samples only (ignore 3rdparty)
macro(ocv_add_modules_compiler_options) macro(ocv_add_modules_compiler_options)
if(MSVC AND NOT OPENCV_SKIP_MSVC_W4_OPTION) if(MSVC AND NOT OPENCV_SKIP_MSVC_W4_OPTION)