#import file not found after xcode update

问题

Lastnight I updated my iPhone to iOS 6.1, my current version of xcode wouldn't build to the phone as I needed the newest version.

I went from xcode 4.5.2 to xcode 4.6, I made 0 changes in my project file.

What used to compile completely fine, now gives me a file not found error

#import <libxml/tree.h> 'libxml/tree.h' file not found

I have my search paths correctly linked up with

$(SDKROOT)/usr/include/libxml2

and libxml2 is linked and required in build phases.

Edit:

Peculiar I changed my search paths to the following and voila..

/usr/include/libxml2

Not sure why this has fixed this issue, could anyone enlighten me as to what's changed in xcode?

回答1:

In your build settings, add the following to your Header Search Paths:

$SDKROOT/usr/include/libxml2

回答2:

For me what worked was adding this to header search path:

$(SDKROOT)/usr/include/libxml2

Slightly difference from other answer, probably to do with newer version of Xcode.

回答3:

add: $SDKROOT/usr/include/libxml2

回答4:

In Xcode6 and latest versions add this to your Header Search Paths:

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

and remember to add the search path also to the test target.

回答5:

I upgraded libxml2 on my mac and then:

If you need to have libxml2 first in your PATH run:                                                                                                                                                                                             
  echo 'export PATH="/usr/local/opt/libxml2/bin:$PATH"' >> ~/.zshrc

For compilers to find libxml2 you may need to set:
  export LDFLAGS="-L/usr/local/opt/libxml2/lib"
  export CPPFLAGS="-I/usr/local/opt/libxml2/include"

For pkg-config to find libxml2 you may need to set:
  export PKG_CONFIG_PATH="/usr/local/opt/libxml2/lib/pkgconfig"

来源：https://stackoverflow.com/questions/14622684/import-libxml-tree-h-file-not-found-after-xcode-update

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