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Merge pull request #358 from taka-no-me:objc_exceptions

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This commit is contained in:
Andrey Kamaev 2013-01-30 14:40:32 +04:00 committed by OpenCV Buildbot
commit 86b4b30a6d
2 changed files with 27 additions and 0 deletions
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9
cmake/OpenCVUtils.cmake
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@ -64,6 +64,13 @@ MACRO(ocv_check_compiler_flag LANG FLAG RESULT)
else()
FILE(WRITE "${_fname}" "#pragma\nint main(void) { return 0; }\n")
endif()
elseif("_${LANG}_" MATCHES "_OBJCXX_")
set(_fname "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.mm")
if("${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror " OR "${CMAKE_CXX_FLAGS} ${FLAG} " MATCHES "-Werror=unknown-pragmas ")
FILE(WRITE "${_fname}" "int main() { return 0; }\n")
else()
FILE(WRITE "${_fname}" "#pragma\nint main() { return 0; }\n")
endif()
else()
unset(_fname)
endif()
@ -100,6 +107,8 @@ macro(ocv_check_flag_support lang flag varname)
set(_lang CXX)
elseif("_${lang}_" MATCHES "_C_")
set(_lang C)
elseif("_${lang}_" MATCHES "_OBJCXX_")
set(_lang OBJCXX)
else()
set(_lang ${lang})
endif()

18
modules/highgui/CMakeLists.txt
View File

@ -230,6 +230,24 @@ ocv_module_include_directories()
ocv_create_module(${GRFMT_LIBS} ${HIGHGUI_LIBRARIES})
if(APPLE)
ocv_check_flag_support(OBJCXX "-fobjc-exceptions" HAVE_OBJC_EXCEPTIONS)
if(HAVE_OBJC_EXCEPTIONS)
foreach(source ${OPENCV_MODULE_${the_module}_SOURCES})
if("${source}" MATCHES "\\.mm$")
get_source_file_property(flags "${source}" COMPILE_FLAGS)
if(flags)
set(flags "${_flags} -fobjc-exceptions")
else()
set(flags "-fobjc-exceptions")
endif()
set_source_files_properties("${source}" PROPERTIES COMPILE_FLAGS "${flags}")
endif()
endforeach()
endif()
endif()
if(BUILD_SHARED_LIBS)
add_definitions(-DHIGHGUI_EXPORTS)
endif()