Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I’m trying to link the libpng library to my iphone application, and getting this error:
ld: warning: in /opt/local/lib/libpng.dylib, file is not of required architecture
This happens when I build for the simulator or the device.
When I build a console application however, I can link in libpng just fine.
What am I doing wrong? Is there a different libpng.dylib I need to use for iphone development?
As Chris Long says, libpng is not available on the iphone. You can compile it into your project (if it will compile for ARM), otherwise it no workums.
Here is a lead: http://www.cloudgoessocial.net/2009/06/09/imagemagick-on-iphone-with-jpeg-png/
Also, for the record, you can write out a UIImage as png natively using:
UIImagePNGRepresentation(UIImage *image)