我正在关注属于openCV doc的这些
instructions,但它们确实已经过时了：提到了iOS4或iOS5,在/ Developer等中安装了XCode 4.2.
它没有构建,我有各种错误：
所有初始测试都失败： – 执行测试HAVE_CXX_W – 失败
也：
-- Looking for fseeko -- Looking for fseeko - not found -- Looking for unistd.h -- Looking for unistd.h - not found -- Looking for sys/types.h -- Looking for sys/types.h - not found -- Looking for stdint.h -- Looking for stdint.h - not found -- Looking for stddef.h -- Looking for stddef.h - not found
配置看起来正确：
-- General configuration for OpenCV 2.4.9 ===================================== -- Version control: 2.4.5-1168-g0a42a3e -- -- Platform: -- Host: Darwin 12.3.0 i386 -- Target: iOS -- CMake: 2.8.10 -- CMake generator: Xcode -- CMake build tool: /opt/local/bin/cmakexbuild -- Xcode: 4.6.2 [...] -- Media I/O: -- ZLib: build (ver 1.2.7) -- JPEG: build (ver 90) -- WEBP: NO -- PNG: build (ver 1.5.12) -- TIFF: NO -- JPEG 2000: NO -- OpenEXR: NO -- -- Video I/O: -- AVFoundation: YES -- QuickTime: NO -- QTKit: YES -- V4L/V4L2: NO/NO
但后来,我有第一个链接错误：
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool：无法打开文件：/ Users / ant / xcode / opencv / ios / build / iPhoneOS-armv7 / 3rdparty / libjpeg / OpenCV.build/Release-iphoneos/libjpeg.build/Objects-normal/armv7/jmemansi.o
我的系统在为iOS编译OpenCV时缺少什么？
解决方法
根据3rdParty / libjpeg / CMakeLists.txt：12,jmemansi.c被排除在构建之外：
if(ANDROID OR IOS) ocv_list_filterout(lib_srcs jmemansi.c) else() ocv_list_filterout(lib_srcs jmemnobs.c) endif()
但是,在世界模块构建中,不会从链接器输入中排除相应的目标文件.这可以通过从链接器输入过滤掉jmemansi.o来修复：
模块/世界/的CMakeLists.txt：84
macro(ios_include_3party_libs)
foreach(l ${ARGN})
add_dependencies(${the_module} ${l})
string(REGEX REPLACE "<MODULE_NAME>" "${l}" objpath1 "${CMAKE_BINARY_DIR}/3rdparty/${l}/${objpath0}")
file(GLOB sources ${CMAKE_SOURCE_DIR}/3rdparty/${l}/*.c)
foreach(srcname ${sources})
if(IS_ABSOLUTE "${srcname}")
file(RELATIVE_PATH srcname "${CMAKE_SOURCE_DIR}/3rdparty/${l}" "${srcname}")
endif()
string(REPLACE ".." "__" srcname "${srcname}")
get_filename_component(srcname_we ${srcname} NAME_WE)
string(REGEX REPLACE <SRC_NAME_WE> "${srcname_we}" objpath2 "${objpath1}")
string(REGEX REPLACE <RELATIVE_SRC_NAME> "${srcname}" objpath3 "${objpath2}")
list(APPEND objlist "\"${objpath3}\"")
endforeach() # (srcname ${sources})
endforeach()
ocv_list_filterout(objlist jmemansi) # <<= dirty fix
endmacro()
