I am including another project to mine and I am getting this error even when I am including all the libraries needed.
this is the error details:
Ld /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/IMS3.app/IMS3 normal armv7
cd /Users/alialzahrani/Desktop/IMSFolder/mydoubs/iPhone/idoubs/branches/2.0/IMS3
setenv IPHONEOS_DEPLOYMENT_TARGET 6.0
setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -arch armv7 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk -L/Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos -L/Users/alialzahrani/Desktop/IMSFolder/mydoubs/doubango/branches/2.0/doubango/thirdparties/iphone/lib/armv7 -F/Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos -filelist /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Intermediates/IMS3.build/Debug-iphoneos/IMS3.build/Objects-normal/armv7/IMS3.LinkFileList -dead_strip -fobjc-link-runtime -stdlib=libc++ -miphoneos-version-min=6.0 -framework AudioUnit -framework AVFoundation -framework CoreAudio -lsqlite3 -lresolv -framework AudioToolbox -framework AddressBook -framework AddressBookUI -framework CFNetwork -framework CoreMedia -framework CoreVideo -framework SystemConfiguration -framework CoreGraphics /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libios_ngn_stack.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyDAV.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyHTTP.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyIPSec.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyMEDIA.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyMSRP.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyNET.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyRTP.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinySAK.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinySDP.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinySIGCOMP.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinySIP.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinySMS.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyWRAP.a /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/libtinyXCAP.a -framework UIKit -framework Foundation -o /Users/alialzahrani/Library/Developer/Xcode/DerivedData/IMS3-ezltqoccjhjpvuakngozvwcsppvh/Build/Products/Debug-iphoneos/IMS3.app/IMS3
ld: framework not found AudioUnit
clang: error: linker command failed with exit code 1 (use -v to see invocation)
and here is all the libraries that I did include :

and if did not include the framework I am getting 110 errors:

Audio Unit is just an umbrella framework, it doesn’t have any actual dynamic libraries to link against, only headers. Don’t add it to the project, and building will succeed. (The actual symbols for Audio Units are located in another framework, IIRC it’s AudioToolbox.)