libxml tree h no such file or directory

Question

I am getting following errors      libxml tree h no such file or directory   I have already added libxml2 dylib to my project  however I am getting this type of trouble  Please help me

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I had this problem when I reopened a project (which was developed on XCode 3.something on Leopard) after upgrading to Snow Leopard and XCode 3.2. Curious enough, it only affected some kinds of builds (emulator builds went fine, device ones gave me the error). And I have libxml2 at /usr/include, and it indeed contains libxml/tree.h.

Even the magic "Clean" did not work, but "Empty Caches..." under the "XCode" menu (between the Apple logo and File) did the trick (was that menu there in previous versions?). Beats me the reason, but after a clean there were no more complaints regarding libxml/tree.h

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Adding libxml2 in Xcode 4 3   5   6 Adding libxml2 is a big  fat  finicky pain in the ass  If you re going to do it  do it before you get too far in building your project   You need to add it in two ways  1  Target settings Click on your target  not your project  and select Build Phases  Click on the reveal triangle titled Link Binary With Libraries  Click on the   to add a library  Scroll to the bottom of the list and select libxml2 dylib  That adds the libxml2 library to your project  2  Project settings Now you have to tell your project where to look for it three more times  Select the Build Settings tab  Scroll down to the Linking section  Under your projects columns double click on the Other Linker Flags row  Click the   and add -lxml2 to the list  Still more  In the same tab  scroll down to the Search Paths section  Under your projects column in the Framework Search Paths row add  usr lib libxml2 dylib  In the Header Search Paths and the User Header Search Paths row add   SDKROOT  usr include libxml2  In those last two cases make sure that path is entered in Debug and Release  3  Clean Under the Product Menu select Clean  Then  if I were you  and lets face it  I probably am  I d quit Xcode and walk away  When you come back and launch you should be good to go

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Ray Wenderlich has a blog post about using gdata that solves this problem  Basically these simple steps   In XCode  click Project Edit Project Settings and make sure    All Configurations    are checked   Find the Search Paths Header Search Paths setting and add  usr include libxml2 to the list   Finally  find the Linking Other Linker Flags section and add -lxml2 to the list   original post  read and write xml documents with gdataxml

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i tought i added wrongly  then i realize the problem is it not support arc  so check the support one here  life saver -  http   www michaelbabiy com arc-compliant-gdataxml-library

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Please follow the following steps   Adding libxml2 libxml2 dylib can be found on your mac machin at  usr lib libxml2 dylib   Change  Header Search Paths  Click on  Project Name   in left panel  -  Project -  Build Settings -  Select All   default is Basic  Type Header Search Paths in search box Double click on Header Search Paths -    -     SDKROOT  usr include libxml2    Add -lxml2 to  Other linker flag  Search for  Other Linker Flags  as search in step 2 click on the  Other Linker Flags  row  Click the     and add  -lxml2  to the list  Change your project type to ARC -  No i e Automatic Reference Counting to No  You can search ARC as per in step 2

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Follow the directions here  under  Setting up your project file       Setting up your project file      You need to add libxml2 dylib to your project  don t put it in the Frameworks section   On the Mac    you ll find it at  usr lib libxml2 dylib and for the iPhone  you ll   want the    Developer Platforms iPhoneOS platform Developer SDKs iPhoneOS4 0 sdk usr lib libxml2 dylib   version       Since libxml2 is a  dylib  not a nice friendly  framework  we still   have one more thing to do  Go to the Project build settings    Project- Edit Project Settings- Build  and find the  Search Paths     In  Header Search Paths  add the following path     SDKROOT  usr include libxml2      Also see the OP s answer

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Form the link of  Matt Ball   I found following helpful to me   You need to add libxml2 dylib to your project  don t put it in the Frameworks section   On the Mac  you ll find it at  usr lib libxml2 dylib and for the iPhone  you ll want the  Developer Platforms iPhoneOS platform Developer SDKs iPhoneOS2 0 sdk usr lib libxml2 dylib version   Since libxml2 is a  dylib  not a nice friendly  framework  we still have one more thing to do  Go to the Project build settings  Project- gt Edit Project Settings- gt Build  and find the  Search Paths   In  Header Search Paths  add the following path on the Mac     usr include libxml2

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Xcode 4 5 I have used The CW s solution entirely   The only exception is that   SDKROOT  usr include libxml2 didn t work for me  and I had to add    SDK DIR   usr include libxml2   to my Projects Header Search Paths and User Header Search Paths  After that project builds successfully   EDIT  I have Google GData project inside my project  called MyProject   my project uses   GData requires libxml  To build project MyProject successfully  I add     SDK DIR   usr include libxml2 to Header Search Paths of MyProject and no to Header Search Paths of GData   If I didnt add it to MyProject  project did not build

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Don t put libxml2 dylib under frameworks folder put it under root just below the root Top left blue icon    Then Click on the Project  TOP Left blue icon   GO to Build Settings in the search box type  Header Search Paths  and then add the this    SDKROOT  usr include libxml2   This code resolve my issue hope it will help you fix this

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Aqib Mumtaz - I got it working by following the instructions in Parris  note above entitled  Adding libxml2 in Xcode 4 3   5   6   The step in using a Framework Search Path does not work and the compiler complains  Big kudos to that fella anyway   I am using Xcode 6 2b3  Regardless of the version of Xcode you are using  it is buggy  Don t always assume that compile errors are real   There are many times when it does not follow header search paths and includes clearly listed are not found  Worse  the errors that result tend to point you in different directions so you waste a lot of time dinking around with distractions   With that said     Recommend baby steps by starting with this exactly       create a single window Mac OS X Cocoa project called  Bench Test  add XpathQuery into your project source directory directly in the Finder  click on the tiny folder icon under the project window s red close button drag XpathQuery  folder if you contained it  into the project assets on the left of the project window s display drag  Applications Xcode Xcode app Contents Developer Platforms MacOSX platform Developer SDKs MacOSX10 10 sdk usr lib libxml2 2 dylib into your project assets  at the bottom  This will add it into your  Build Phases  -   Link Binary With Libraries  the easy way click on the  Bench Test  project icon in the project assets column  top of the left search for  Other Linker Flags  under  Build Settings  add  -lxml2   sans     to  Other Linker Flags  under the  Bench Test  project icon column search for  header search  under  Build Settings  add    SDKROOT  usr include libxml2   sans     to  Header Search Paths  under the  Bench Test  project icon column add    SDKROOT  usr include libxml2   sans     to  User Header Search Paths  under the  Bench Test  project icon column   Notes    Mine would not work until I added that search path to both  Header Search Paths  and  User Header Search Paths   To get to the libxml2 2 dylib in the finder  you will need to right click your Xcode icon and select  Show Package Contacts   editorial  what a hack   cramming all that garbage into the app  Be prepared to change the linked libxml2 2 dylib  The one inside Xcode is intentionally used to ensure that Xcode gets something it knows about and in theory was tested  You may want to use the dylib in the system later  read up in this thread  As I am using Xcode 6 2b3  I may have a newer libxml2 2 dylib  Yours could be named slightly different  Just search the folder for something that starts with  libxml  and ends with   dylib  and that should be it  There may also be an alias like  libxml2 dylib   Don t use that right away as resolving an alias adds another variable into the Xcode  what could have bugs  equation  For sanity sake  I make aliases of the external libraries  rename them to indicate which one they are  and keep them at the same level as the project file in the Finder   If they change location  change name  etc  the alias will have in it s Get Info  the original file s full path for later detective work to get the project compiling and linking again   symlinks break too easy and are not natural to the Mac  Last thing  and very important  see http   www cocoawithlove com 2008 10 using-libxml2-for-parsing-and-xpath html where you can download XpathQuery and get some more goodness    hope this helps     If you happen to be developing something for Veterans  oh say an iPhone   iPad or Mac app  and are working against something called  MDWS  or  VIA  which are SOAP based interfaces to the medical record system    please contact me

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I found the same  I had to add   SDKROOT  usr include libxml2 for the latest Xcode  4 3 x   ALSO  what kept me circling around for hours is the fact that I was modifying the  TARGET  and not the  PROJECT   the new UI of Xcode is so intricate that its easy to overlook this   You need to modify the PROJECT

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I found this visual tutorial useful

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For Xcode 6  I had to do the following   1  add the  libxml2 dylib  library to my project s TARGET  Build Phases -  Link Binary With Libraries   2  add    SDKROOT  usr include libxml2  to the Header Search Paths on the TARGET  Build Settings -  Header Search Paths   After this  the target should build successfully

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As of Mavericks  OS X 10 9  the  usr include directory is gone  Half of the answers here are obsolete  as the application will not compile until you sort out the include directory   I solved the problem creating a symbolic link to MacOSX SDK in terminal  using the following command   sudo ln -s  Applications Xcode app Contents Developer Platforms MacOSX platform Developer SDKs MacOSX10 9 sdk usr include  usr include   The application now compiles again

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I found that with xCode 4 3 2 I had to enter        SDKROOT  usr include libxml2  into the Header Search field rather than simply       usr include libxml2

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I solved in three steps inXcode 8 0   Unit Test Project  1  I added libxml file to the Build Phases follow this link   2  I added Other Linker Flags as -ObjC  For both project and test project targets   3  I setup Header Search Path as    SDKROOT  usr include libxml2   Don t forget double quote in either side   For both project and test project targets   One of them will solve the issue  If not you have to apply all three of the above

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Another solution  do all the steps in header search path etc  and make sure your selected configuration in project in Project settings is the correct one  When you double click on project build settings  you may be changing in Distribution settings  But you are trying to add header search path in  Debug  settings  So make sure you are in correct settings  or choose all settings

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Blockquote   Adding libxml2 in Xcode 4 3 x   Adding libxml2 is a big  fat  finicky pain in the ass  If you re going to do it do it before you get too far in building your project   Here s how   Target settings  Click on your target  not your project  and select  Build Phases   Click on the reveal triangle titled  Link Binary With Libraries   Click on the     to add a library  Scroll to the bottom of the list and select  libxml2 dylib   That adds the libxml2 library 2 your project    but wait   Project settings  Now you have to tell your project where to look for it three more times   Select the  Build Settings tab   Scroll down to the  Linking  section  Under your project s columns double click on the  Other Linker Flags  row  Click the     and add  -lxml2  to the list   Still more   In the same tab  scroll down to the  Search Paths  section  Under your project s column in the  Framework Search Paths  row add   usr lib libxml2 dylib    In the  Header Search Paths  AND the  User Header Search Paths  row add    SDKROOT  usr include libxml2   In those last two cases make sure that path is entered in Debug AND Release   Then  Under the  Product  Menu select  Clean    This is working and for Xcode5 too  Thank you

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On Mountain Lion I was facing same issue  which was resolved by adding  usr include libxml2 to include paths with flag  recursive   use this if all above is not fruitful

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You also need to add  usr include libxml2 to your include path

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I m not sure what the difference is but add the include path to the project as well as the target

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Also select  Always Search User Paths  to YES  In XCode 4 3 3 its by default NO

[objective-c] libxml/tree.h no such file or directory

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