今天我尝试在 Xcode 5.1 中编译我的示例应用程序，但出现链接器错误有人能告诉我为什么会这样吗？
Ld /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Intermediates/Slot321.build/Debug-iphoneos/Slot321\ iOS.build/Objects-normal/arm64/Slot321\ iOS normal arm64
cd /Users/mmmssss/Documents/xcode5_projects/Slot321/Slot321/proj.ios_mac
export IPHONEOS_DEPLOYMENT_TARGET=5.0
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -arch arm64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS7.1.sdk -L/Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Products/Debug-iphoneos -F/Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Products/Debug-iphoneos -filelist /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Intermediates/Slot321.build/Debug-iphoneos/Slot321\ iOS.build/Objects-normal/arm64/Slot321\ iOS.LinkFileList -dead_strip -stdlib=libc++ -fobjc-link-runtime -miphoneos-version-min=5.0 /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Products/Debug-iphoneos/libbox2d\ iOS.a /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Products/Debug-iphoneos/libchipmunk\ iOS.a /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Products/Debug-iphoneos/libcocos2dx\ iOS.a /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Products/Debug-iphoneos/libcocos2dx-extensions\ iOS.a /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Products/Debug-iphoneos/libCocosDenshion\ iOS.a -framework CoreMotion -framework Foundation -framework UIKit -framework CoreGraphics -framework OpenGLES -lz -framework QuartzCore -framework OpenAL -framework AVFoundation -framework AudioToolbox -Xlinker -dependency_info -Xlinker /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Intermediates/Slot321.build/Debug-iphoneos/Slot321\ iOS.build/Objects-normal/arm64/Slot321\ iOS_dependency_info.dat -o /Users/mmmssss/Library/Developer/Xcode/DerivedData/Slot321-ggaqzqgvjcazkuaqnngfqbbcfvvw/Build/Intermediates/Slot321.build/Debug-iphoneos/Slot321\ iOS.build/Objects-normal/arm64/Slot321\ iOS
Undefined symbols for architecture arm64:
"_WebPGetFeaturesInternal", referenced from:
WebPGetFeatures(unsigned char const*, unsigned long, WebPBitstreamFeatures*) in libcocos2dx iOS.a(CCImage.o)
"_WebPDecode", referenced from:
cocos2d::Image::initWithWebpData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_TIFFGetField", referenced from:
cocos2d::Image::initWithTiffData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_TIFFClose", referenced from:
cocos2d::Image::initWithTiffData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_jpeg_CreateDecompress", referenced from:
cocos2d::Image::initWithJpgData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_jpeg_read_header", referenced from:
cocos2d::Image::initWithJpgData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_TIFFReadRGBAImageOriented", referenced from:
cocos2d::Image::initWithTiffData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_jpeg_start_decompress", referenced from:
cocos2d::Image::initWithJpgData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_jpeg_read_scanlines", referenced from:
cocos2d::Image::initWithJpgData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_jpeg_destroy_decompress", referenced from:
cocos2d::Image::initWithJpgData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_WebPInitDecoderConfigInternal", referenced from:
WebPInitDecoderConfig(WebPDecoderConfig*) in libcocos2dx iOS.a(CCImage.o)
"_png_create_info_struct", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_read_info", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_jpeg_std_error", referenced from:
cocos2d::Image::initWithJpgData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_get_image_width", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_set_packing", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_create_read_struct", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_get_image_height", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_set_palette_to_rgb", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_sig_cmp", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_get_valid", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_read_end", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_set_longjmp_fn", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"__TIFFfree", referenced from:
cocos2d::Image::initWithTiffData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_FT_Done_FreeType", referenced from:
cocos2d::FontFreeType::shutdownFreeType() in libcocos2dx iOS.a(CCFontFreeType.o)
"_png_set_tRNS_to_alpha", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_get_rowbytes", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_read_update_info", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_jpeg_mem_src", referenced from:
cocos2d::Image::initWithJpgData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_set_expand_gray_1_2_4_to_8", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"__TIFFmalloc", referenced from:
cocos2d::Image::initWithTiffData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_set_strip_16", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_get_io_ptr", referenced from:
cocos2d::(anonymous namespace)::pngReadCallback(png_struct_def*, unsigned char*, unsigned long) in libcocos2dx iOS.a(CCImage.o)
"_png_set_read_fn", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_error", referenced from:
cocos2d::(anonymous namespace)::pngReadCallback(png_struct_def*, unsigned char*, unsigned long) in libcocos2dx iOS.a(CCImage.o)
"_png_get_bit_depth", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_get_color_type", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_destroy_read_struct", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_TIFFClientOpen", referenced from:
cocos2d::Image::initWithTiffData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
"_png_read_image", referenced from:
cocos2d::Image::initWithPngData(unsigned char const*, long) in libcocos2dx iOS.a(CCImage.o)
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
最佳答案
cocos2d-x 的最新版本 (Cocos2d-x v3.0 rc0) 修复了这个问题。新版本增加了对 XCode 5.1 的 arm64 支持。
您应该升级您的项目，从 here 下载新版本.
更多信息可以查看官方changelog .
关于c++ - 带有 cocos2d-x 3 beta 2 的 Xcode 5.1 中的链接器错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/22390701/