Hi! I build SDL_image on iOS. And build success .a lib.When I use it, it have a link error:
ld: warning: directory not found for option ‘-L/Users/zxl/Documents/iPhone/fall/SDL/lib’
Undefined symbols for architecture x86_64:
“_CGImageSourceCreateImageAtIndex”, referenced from:
_CreateCGImageFromCGImageSource in libSDL2_image.a(IMG_ImageIO.o)
“_CGImageSourceCreateWithDataProvider”, referenced from:
_CreateCGImageSourceFromRWops in libSDL2_image.a(IMG_ImageIO.o)
“_CGImageSourceCreateWithURL”, referenced from:
_CreateCGImageSourceFromFile in libSDL2_image.a(IMG_ImageIO.o)
“_CGImageSourceGetType”, referenced from:
_Internal_isType_ImageIO in libSDL2_image.a(IMG_ImageIO.o)
“_UTTypeConformsTo”, referenced from:
_Internal_isType_ImageIO in libSDL2_image.a(IMG_ImageIO.o)
“_kCGImageSourceTypeIdentifierHint”, referenced from:
_CreateHintDictionary in libSDL2_image.a(IMG_ImageIO.o)
“_kUTTypeGIF”, referenced from:
_IMG_isGIF in libSDL2_image.a(IMG_ImageIO.o)
_IMG_LoadGIF_RW in libSDL2_image.a(IMG_ImageIO.o)
“_kUTTypeJPEG”, referenced from:
_IMG_isJPG in libSDL2_image.a(IMG_ImageIO.o)
_IMG_LoadJPG_RW in libSDL2_image.a(IMG_ImageIO.o)
“_kUTTypePNG”, referenced from:
_IMG_isPNG in libSDL2_image.a(IMG_ImageIO.o)
_IMG_LoadPNG_RW in libSDL2_image.a(IMG_ImageIO.o)
“_kUTTypeTIFF”, referenced from:
_IMG_isTIF in libSDL2_image.a(IMG_ImageIO.o)
_IMG_LoadTIF_RW in libSDL2_image.a(IMG_ImageIO.o)
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)?
I didn’t know how to fix it. I use lipo -info it have all architectures armv7 i386 x86_64 arm64.
Anyone can help me? I also found someone also have this problem in the mail list. He seems not resolve it. ?