CODEWITHSUNDEEP
iphoneopengl-es
Bruce Lee
Bruce Lee

Reputation: 4431

i got some errors about a library with .o in the end. i can not figure out what's going on with those options

In the image is the whole description of the errors i got

got errors like: ld: warning: directory not found for option '-L/Users/lichallenger/Downloads/Safari_Download/OpenGL ES 2.0 Programming Guide[pdf及源代码]/opengles-book-samples-read-only/iPhone/Chapter_2/Hello_Triangle/../../Common/build/Debug-iphonesimulator' Undefined symbols for architecture i386: "_CGImageGetWidth", referenced from: _esLoadPNG in ImageUtils.o "_CGImageGetHeight", referenced from: _esLoadPNG in ImageUtils.o "_CGColorSpaceCreateDeviceRGB", referenced from: _esLoadPNG in ImageUtils.o "_CGBitmapContextCreate", referenced from: _esLoadPNG in ImageUtils.o "_CGColorSpaceRelease", referenced from: _esLoadPNG in ImageUtils.o "_CGContextClearRect", referenced from: _esLoadPNG in ImageUtils.o "_CGContextTranslateCTM", referenced from: _esLoadPNG in ImageUtils.o "_CGContextDrawImage", referenced from: _esLoadPNG in ImageUtils.o "_CGContextRelease", referenced from: _esLoadPNG in ImageUtils.o ld: symbol(s) not found for architecture i386 clang: error: linker command failed with exit code 1 (use -v to see invocation)

Upvotes: 0

Views: 942

Answers (1)

Dancreek
Dancreek

Reputation: 9544

It looks like you need to include/add the CoreGraphics library in your frameworks.

Upvotes: 4

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