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

I have the same problem.

I try set path( 'Header Search Path') to /usr/include/libxml2 ,build error!

I try set path( 'Header Search Path') to $(SDKROOT)/usr/include/libxml2 ,build error!

but I set path to

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk/usr/include/libxml2

build succeeded!