mirror of
https://github.com/opencv/opencv.git
synced 2024-11-27 04:36:36 +08:00
8c1e0537ec
* Enabled -Wnarrowing warning * Fixed type narrowing issues * Cast python constants * Use long long for python constants * Use int for python constants with fallback to long * Update cv2.cpp
357 lines
15 KiB
CMake
357 lines
15 KiB
CMake
if("${CMAKE_CXX_COMPILER};${CMAKE_C_COMPILER};${CMAKE_CXX_COMPILER_LAUNCHER}" MATCHES "ccache")
|
|
set(CMAKE_COMPILER_IS_CCACHE 1) # TODO: FIXIT Avoid setting of CMAKE_ variables
|
|
set(OPENCV_COMPILER_IS_CCACHE 1)
|
|
endif()
|
|
function(access_CMAKE_COMPILER_IS_CCACHE)
|
|
if(NOT OPENCV_SUPPRESS_DEPRECATIONS)
|
|
message(WARNING "DEPRECATED: CMAKE_COMPILER_IS_CCACHE is replaced to OPENCV_COMPILER_IS_CCACHE.")
|
|
endif()
|
|
endfunction()
|
|
variable_watch(CMAKE_COMPILER_IS_CCACHE access_CMAKE_COMPILER_IS_CCACHE)
|
|
if(ENABLE_CCACHE AND NOT OPENCV_COMPILER_IS_CCACHE AND NOT CMAKE_GENERATOR MATCHES "Xcode")
|
|
# This works fine with Unix Makefiles and Ninja generators
|
|
find_host_program(CCACHE_PROGRAM ccache)
|
|
if(CCACHE_PROGRAM)
|
|
message(STATUS "Looking for ccache - found (${CCACHE_PROGRAM})")
|
|
get_property(__OLD_RULE_LAUNCH_COMPILE GLOBAL PROPERTY RULE_LAUNCH_COMPILE)
|
|
if(__OLD_RULE_LAUNCH_COMPILE)
|
|
message(STATUS "Can't replace CMake compiler launcher")
|
|
else()
|
|
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
|
|
# NOTE: Actually this check doesn't work as expected.
|
|
# "RULE_LAUNCH_COMPILE" is ignored by CMake during try_compile() step.
|
|
# ocv_check_compiler_flag(CXX "" IS_CCACHE_WORKS)
|
|
set(IS_CCACHE_WORKS 1)
|
|
if(IS_CCACHE_WORKS)
|
|
set(OPENCV_COMPILER_IS_CCACHE 1)
|
|
else()
|
|
message(STATUS "Unable to compile program with enabled ccache, reverting...")
|
|
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${__OLD_RULE_LAUNCH_COMPILE}")
|
|
endif()
|
|
endif()
|
|
else()
|
|
message(STATUS "Looking for ccache - not found")
|
|
endif()
|
|
endif()
|
|
|
|
if((CV_CLANG AND NOT CMAKE_GENERATOR MATCHES "Xcode") # PCH has no support for Clang
|
|
OR OPENCV_COMPILER_IS_CCACHE
|
|
)
|
|
set(ENABLE_PRECOMPILED_HEADERS OFF CACHE BOOL "" FORCE)
|
|
endif()
|
|
|
|
macro(add_extra_compiler_option option)
|
|
ocv_check_flag_support(CXX "${option}" _varname "${OPENCV_EXTRA_CXX_FLAGS} ${ARGN}")
|
|
if(${_varname})
|
|
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} ${option}")
|
|
endif()
|
|
|
|
ocv_check_flag_support(C "${option}" _varname "${OPENCV_EXTRA_C_FLAGS} ${ARGN}")
|
|
if(${_varname})
|
|
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} ${option}")
|
|
endif()
|
|
endmacro()
|
|
|
|
macro(add_extra_compiler_option_force option)
|
|
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} ${option}")
|
|
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} ${option}")
|
|
endmacro()
|
|
|
|
|
|
# Gets environment variable and puts its value to the corresponding preprocessor definition
|
|
# Useful for WINRT that has no access to environment variables
|
|
macro(add_env_definitions option)
|
|
set(value $ENV{${option}})
|
|
if("${value}" STREQUAL "")
|
|
message(WARNING "${option} environment variable is empty. Please set it to appropriate location to get correct results")
|
|
else()
|
|
string(REPLACE "\\" "\\\\" value ${value})
|
|
endif()
|
|
add_definitions("-D${option}=\"${value}\"")
|
|
endmacro()
|
|
|
|
if(NOT MSVC)
|
|
# OpenCV fails some tests when 'char' is 'unsigned' by default
|
|
add_extra_compiler_option(-fsigned-char)
|
|
endif()
|
|
|
|
if(CV_ICC AND NOT ENABLE_FAST_MATH)
|
|
if(MSVC)
|
|
add_extra_compiler_option("/fp:precise")
|
|
else()
|
|
add_extra_compiler_option("-fp-model precise")
|
|
endif()
|
|
endif()
|
|
|
|
if(CV_GCC OR CV_CLANG)
|
|
# High level of warnings.
|
|
add_extra_compiler_option(-W)
|
|
if (NOT MSVC)
|
|
# clang-cl interprets -Wall as MSVC would: -Weverything, which is more than
|
|
# we want.
|
|
add_extra_compiler_option(-Wall)
|
|
endif()
|
|
add_extra_compiler_option(-Werror=return-type)
|
|
add_extra_compiler_option(-Werror=non-virtual-dtor)
|
|
add_extra_compiler_option(-Werror=address)
|
|
add_extra_compiler_option(-Werror=sequence-point)
|
|
add_extra_compiler_option(-Wformat)
|
|
add_extra_compiler_option(-Werror=format-security -Wformat)
|
|
add_extra_compiler_option(-Wmissing-declarations)
|
|
add_extra_compiler_option(-Wmissing-prototypes)
|
|
add_extra_compiler_option(-Wstrict-prototypes)
|
|
add_extra_compiler_option(-Wundef)
|
|
add_extra_compiler_option(-Winit-self)
|
|
add_extra_compiler_option(-Wpointer-arith)
|
|
add_extra_compiler_option(-Wshadow)
|
|
add_extra_compiler_option(-Wsign-promo)
|
|
add_extra_compiler_option(-Wuninitialized)
|
|
add_extra_compiler_option(-Winit-self)
|
|
if(HAVE_CXX11)
|
|
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT ENABLE_PRECOMPILED_HEADERS)
|
|
add_extra_compiler_option(-Wsuggest-override)
|
|
elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
|
|
add_extra_compiler_option(-Winconsistent-missing-override)
|
|
endif()
|
|
endif()
|
|
|
|
if(ENABLE_NOISY_WARNINGS)
|
|
add_extra_compiler_option(-Wcast-align)
|
|
add_extra_compiler_option(-Wstrict-aliasing=2)
|
|
else()
|
|
add_extra_compiler_option(-Wno-delete-non-virtual-dtor)
|
|
add_extra_compiler_option(-Wno-unnamed-type-template-args)
|
|
add_extra_compiler_option(-Wno-comment)
|
|
if(NOT OPENCV_SKIP_IMPLICIT_FALLTHROUGH
|
|
AND NOT " ${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_CXX_FLAGS}" MATCHES "implicit-fallthrough"
|
|
AND (CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0.0)
|
|
)
|
|
add_extra_compiler_option(-Wimplicit-fallthrough=3)
|
|
endif()
|
|
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)
|
|
|
|
# The -Wno-long-long is required in 64bit systems when including system headers.
|
|
if(X86_64)
|
|
add_extra_compiler_option(-Wno-long-long)
|
|
endif()
|
|
|
|
# We need pthread's
|
|
if(UNIX AND NOT ANDROID AND NOT (APPLE AND CV_CLANG)) # TODO
|
|
add_extra_compiler_option(-pthread)
|
|
endif()
|
|
|
|
if(CV_CLANG)
|
|
add_extra_compiler_option(-Qunused-arguments)
|
|
endif()
|
|
|
|
if(OPENCV_WARNINGS_ARE_ERRORS)
|
|
add_extra_compiler_option(-Werror)
|
|
endif()
|
|
|
|
if(APPLE)
|
|
add_extra_compiler_option(-Wno-semicolon-before-method-body)
|
|
endif()
|
|
|
|
# Other optimizations
|
|
if(ENABLE_OMIT_FRAME_POINTER)
|
|
add_extra_compiler_option(-fomit-frame-pointer)
|
|
elseif(DEFINED ENABLE_OMIT_FRAME_POINTER)
|
|
add_extra_compiler_option(-fno-omit-frame-pointer)
|
|
endif()
|
|
if(ENABLE_FAST_MATH)
|
|
add_extra_compiler_option(-ffast-math)
|
|
endif()
|
|
|
|
# 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)
|
|
string(REPLACE "-fomit-frame-pointer" "" ${flags} "${${flags}}")
|
|
string(REPLACE "-ffunction-sections" "" ${flags} "${${flags}}")
|
|
string(REPLACE "-fdata-sections" "" ${flags} "${${flags}}")
|
|
endforeach()
|
|
elseif(NOT ((IOS OR ANDROID) AND NOT BUILD_SHARED_LIBS) AND NOT MSVC)
|
|
# Remove unreferenced functions: function level linking
|
|
add_extra_compiler_option(-ffunction-sections)
|
|
add_extra_compiler_option(-fdata-sections)
|
|
if(NOT APPLE AND NOT OPENCV_SKIP_GC_SECTIONS)
|
|
set(OPENCV_EXTRA_EXE_LINKER_FLAGS "${OPENCV_EXTRA_EXE_LINKER_FLAGS} -Wl,--gc-sections")
|
|
endif()
|
|
endif()
|
|
|
|
if(ENABLE_COVERAGE)
|
|
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} --coverage")
|
|
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} --coverage")
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
|
|
endif()
|
|
|
|
if(ENABLE_INSTRUMENTATION)
|
|
if(NOT HAVE_CXX11)
|
|
message(WARNING "ENABLE_INSTRUMENTATION requires C++11 support")
|
|
endif()
|
|
set(WITH_VTK OFF) # There are issues with VTK 6.0
|
|
endif()
|
|
|
|
if(ENABLE_LTO)
|
|
add_extra_compiler_option(-flto)
|
|
endif()
|
|
if(ENABLE_THIN_LTO)
|
|
add_extra_compiler_option(-flto=thin)
|
|
endif()
|
|
|
|
set(OPENCV_EXTRA_FLAGS_RELEASE "${OPENCV_EXTRA_FLAGS_RELEASE} -DNDEBUG")
|
|
if(NOT " ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG} ${OPENCV_EXTRA_FLAGS_DEBUG} " MATCHES "-O")
|
|
set(OPENCV_EXTRA_FLAGS_DEBUG "${OPENCV_EXTRA_FLAGS_DEBUG} -O0")
|
|
endif()
|
|
set(OPENCV_EXTRA_FLAGS_DEBUG "${OPENCV_EXTRA_FLAGS_DEBUG} -DDEBUG -D_DEBUG")
|
|
|
|
if(BUILD_WITH_DEBUG_INFO)
|
|
# https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html
|
|
# '-g' is equal to '-g2', '-g1' produces minimal information, enough for making backtraces
|
|
ocv_update(OPENCV_DEBUG_OPTION "-g1")
|
|
if(NOT " ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE} ${OPENCV_EXTRA_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS_RELEASE}" MATCHES " -g")
|
|
set(OPENCV_EXTRA_FLAGS_RELEASE "${OPENCV_EXTRA_FLAGS_RELEASE} ${OPENCV_DEBUG_OPTION}")
|
|
endif()
|
|
endif()
|
|
endif()
|
|
|
|
if(MSVC)
|
|
#TODO Code refactoring is required to resolve security warnings
|
|
#if(NOT ENABLE_BUILD_HARDENING)
|
|
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /D _CRT_SECURE_NO_DEPRECATE /D _CRT_NONSTDC_NO_DEPRECATE /D _SCL_SECURE_NO_WARNINGS")
|
|
#endif()
|
|
|
|
if(BUILD_WITH_DEBUG_INFO)
|
|
set(OPENCV_EXTRA_FLAGS_RELEASE "${OPENCV_EXTRA_FLAGS_RELEASE} /Zi")
|
|
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE} /debug")
|
|
set(OPENCV_EXTRA_SHARED_LINKER_FLAGS_RELEASE "${OPENCV_EXTRA_SHARED_LINKER_FLAGS_RELEASE} /debug")
|
|
endif()
|
|
|
|
# Remove unreferenced functions: function level linking
|
|
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /Gy")
|
|
if(NOT MSVC_VERSION LESS 1400)
|
|
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /bigobj")
|
|
endif()
|
|
|
|
if(OPENCV_WARNINGS_ARE_ERRORS)
|
|
set(OPENCV_EXTRA_FLAGS "${OPENCV_EXTRA_FLAGS} /WX")
|
|
endif()
|
|
|
|
if(ENABLE_LTO)
|
|
set(OPENCV_EXTRA_FLAGS_RELEASE "${OPENCV_EXTRA_FLAGS_RELEASE} /GL")
|
|
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE} /LTCG")
|
|
endif()
|
|
|
|
if(NOT MSVC_VERSION LESS 1800 AND NOT CMAKE_GENERATOR MATCHES "Visual Studio")
|
|
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} /FS")
|
|
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} /FS")
|
|
endif()
|
|
endif()
|
|
|
|
# Adding additional using directory for WindowsPhone 8.0 to get Windows.winmd properly
|
|
if(WINRT_PHONE AND WINRT_8_0)
|
|
set(OPENCV_EXTRA_CXX_FLAGS "${OPENCV_EXTRA_CXX_FLAGS} /AI\$(WindowsSDK_MetadataPath)")
|
|
endif()
|
|
|
|
include(cmake/OpenCVCompilerOptimizations.cmake)
|
|
if(COMMAND ocv_compiler_optimization_options)
|
|
ocv_compiler_optimization_options()
|
|
endif()
|
|
if(COMMAND ocv_compiler_optimization_options_finalize)
|
|
ocv_compiler_optimization_options_finalize()
|
|
endif()
|
|
|
|
# set default visibility to hidden
|
|
if((CV_GCC OR CV_CLANG)
|
|
AND NOT MSVC
|
|
AND NOT OPENCV_SKIP_VISIBILITY_HIDDEN
|
|
AND NOT " ${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_CXX_FLAGS}" MATCHES " -fvisibility")
|
|
add_extra_compiler_option(-fvisibility=hidden)
|
|
add_extra_compiler_option(-fvisibility-inlines-hidden)
|
|
endif()
|
|
|
|
# combine all "extra" options
|
|
if(NOT OPENCV_SKIP_EXTRA_COMPILER_FLAGS)
|
|
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_C_FLAGS}")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OPENCV_EXTRA_FLAGS} ${OPENCV_EXTRA_CXX_FLAGS}")
|
|
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${OPENCV_EXTRA_FLAGS_RELEASE}")
|
|
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${OPENCV_EXTRA_FLAGS_RELEASE}")
|
|
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${OPENCV_EXTRA_FLAGS_DEBUG}")
|
|
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${OPENCV_EXTRA_FLAGS_DEBUG}")
|
|
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OPENCV_EXTRA_EXE_LINKER_FLAGS}")
|
|
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} ${OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE}")
|
|
set(CMAKE_EXE_LINKER_FLAGS_DEBUG "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG}")
|
|
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${OPENCV_EXTRA_SHARED_LINKER_FLAGS}")
|
|
set(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} ${OPENCV_EXTRA_SHARED_LINKER_FLAGS_RELEASE}")
|
|
set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${OPENCV_EXTRA_SHARED_LINKER_FLAGS_DEBUG}")
|
|
endif()
|
|
|
|
if(MSVC)
|
|
if(NOT ENABLE_NOISY_WARNINGS)
|
|
if(MSVC_VERSION EQUAL 1400)
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4510 /wd4610 /wd4312 /wd4201 /wd4244 /wd4328 /wd4267)
|
|
endif()
|
|
endif()
|
|
|
|
foreach(flags CMAKE_C_FLAGS CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
|
|
string(REPLACE "/Zm1000" "" ${flags} "${${flags}}")
|
|
endforeach()
|
|
|
|
# Enable 'extern "C"' and asynchronous (division by zero, access violation) exceptions
|
|
if(NOT OPENCV_SKIP_MSVC_EXCEPTIONS_FLAG)
|
|
foreach(flags CMAKE_C_FLAGS CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
|
|
string(REGEX REPLACE " /EH[^ ]* " " " ${flags} " ${${flags}}")
|
|
endforeach()
|
|
if(NOT " ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS_DEBUG}" MATCHES " /EH")
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHa")
|
|
endif()
|
|
endif()
|
|
|
|
if(NOT ENABLE_NOISY_WARNINGS)
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4127) # conditional expression is constant
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4251) # class 'std::XXX' needs to have dll-interface to be used by clients of YYY
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4324) # 'struct_name' : structure was padded due to __declspec(align())
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4275) # non dll-interface class 'std::exception' used as base for dll-interface class 'cv::Exception'
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4512) # Assignment operator could not be generated
|
|
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4589) # Constructor of abstract class 'cv::ORB' ignores initializer for virtual base class 'cv::Algorithm'
|
|
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" ${flags} "${${flags}}")
|
|
endforeach()
|
|
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Qwd673") # PCH warning
|
|
endif()
|
|
endif()
|
|
|
|
if(APPLE AND NOT CMAKE_CROSSCOMPILING AND NOT DEFINED ENV{LDFLAGS} AND EXISTS "/usr/local/lib")
|
|
link_directories("/usr/local/lib")
|
|
endif()
|
|
|
|
if(ENABLE_BUILD_HARDENING)
|
|
include(${CMAKE_CURRENT_LIST_DIR}/OpenCVCompilerDefenses.cmake)
|
|
endif()
|
|
|
|
if(MSVC)
|
|
include(cmake/OpenCVCRTLinkage.cmake)
|
|
add_definitions(-D_VARIADIC_MAX=10)
|
|
endif()
|
|
|
|
# Enable compiler options for OpenCV modules/apps/samples only (ignore 3rdparty)
|
|
macro(ocv_add_modules_compiler_options)
|
|
if(MSVC AND NOT OPENCV_SKIP_MSVC_W4_OPTION)
|
|
foreach(flags CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
|
|
string(REPLACE "/W3" "/W4" ${flags} "${${flags}}")
|
|
endforeach()
|
|
endif()
|
|
endmacro()
|