Why am I getting this “libxml/tree.h file not found” error?

Question

I just installed Xcode version 4.3.1 and I get this error:

libxml / tree.h file not found

I have also installed Xcode 4.2, and

Answer 1

In your question, you have a space between the / and usr. Perhaps this is a typo, but the path is:

/usr/include/libxml2

Just confirm that is the path in the target build settings:

You can also verify that the path exists on your file system.