title: missing required architecture armv7
body: <p>i use xcode with libsqlite3.dylib for sqlite , but when i compile to device the following error arise :</p>
  
  <pre><code>Ld /Users/user1319/Library/Developer/Xcode/DerivedData/Directory-app normal armv7
      cd /Users/user1319/Desktop/app/app
  
      setenv IPHONEOS_DEPLOYMENT_TARGET 5.0
      setenv PATH "/Developer/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
      /Developer/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch armv7 -isysroot /Developer/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk -L/Users/user1319/Library/Developer/Xcode/DerivedData/app_Directory-bnkhohrmxdhrusarswxeqvxlljct/Build/Products/Distribution-iphoneos -F/Users/user1319/Library/Developer/Xcode/DerivedData/app-bnkhohrmxdhrusarswxeqvxlljct/Build/Products/Distribution-iphoneos -filelist "/Users/user1319/Library/Developer/Xcode/DerivedData/app-bnkhohrmxdhrusarswxeqvxlljct/Build/Intermediates/app Directory.build/Distribution-iphoneos/app.build/Objects-normal/armv7/app.LinkFileList" -Xlinker -rpath -Xlinker / -dead_strip -miphoneos-version-min=5.0 -lsqlite3 -lsqlite3.0 -framework AddressBook -framework AddressBookUI -framework UIKit -framework Foundation -framework CoreGraphics -o /Users/user1319/Library/Developer/Xcode/DerivedData/app-bnkhohrmxdhrusarswxeqvxlljct/Build/Products/Distribution-iphoneos/app.app/app
  
  ld: warning: ignoring file /Developer/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/lib/libsqlite3.dylib, missing required architecture armv7 in file
  ld: warning: ignoring file /Developer/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.0.sdk/usr/lib/libsqlite3.0.dylib, missing required architecture armv7 in file
  Undefined symbols for architecture armv7:
    "_sqlite3_reset", referenced from:
        -[FMDatabase executeUpdate:error:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMStatement reset] in FMDatabase.o
        -[FMResultSet next] in FMResultSet.o
    "_sqlite3_bind_blob", referenced from:
        -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
    "_sqlite3_changes", referenced from:
        -[FMDatabase changes] in FMDatabase.o
    "_sqlite3_prepare_v2", referenced from:
        -[FMDatabase executeQuery:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMDatabase executeUpdate:error:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMDatabase(FMDatabaseAdditions) validateSQL:error:] in FMDatabaseAdditions.o
    "_sqlite3_open", referenced from:
        -[FMDatabase open] in FMDatabase.o
    "_sqlite3_open_v2", referenced from:
        -[FMDatabase openWithFlags:] in FMDatabase.o
    "_sqlite3_bind_text", referenced from:
        -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
    "_sqlite3_step", referenced from:
        -[FMDatabase executeUpdate:error:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMResultSet next] in FMResultSet.o
    "_sqlite3_next_stmt", referenced from:
        -[FMDatabase close] in FMDatabase.o
    "_sqlite3_bind_double", referenced from:
        -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
    "_sqlite3_threadsafe", referenced from:
        +[FMDatabase isThreadSafe] in FMDatabase.o
    "_sqlite3_bind_int", referenced from:
        -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
    "_sqlite3_last_insert_rowid", referenced from:
        -[FMDatabase lastInsertRowId] in FMDatabase.o
    "_sqlite3_column_blob", referenced from:
        -[FMResultSet dataForColumnIndex:] in FMResultSet.o
        -[FMResultSet dataNoCopyForColumnIndex:] in FMResultSet.o
    "_sqlite3_finalize", referenced from:
        -[FMDatabase close] in FMDatabase.o
        -[FMDatabase executeQuery:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMDatabase executeUpdate:error:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMStatement close] in FMDatabase.o
        -[FMDatabase(FMDatabaseAdditions) validateSQL:error:] in FMDatabaseAdditions.o
    "_sqlite3_column_text", referenced from:
        -[FMResultSet kvcMagic:] in FMResultSet.o
        -[FMResultSet stringForColumnIndex:] in FMResultSet.o
        -[FMResultSet UTF8StringForColumnIndex:] in FMResultSet.o
    "_sqlite3_column_bytes", referenced from:
        -[FMResultSet dataForColumnIndex:] in FMResultSet.o
        -[FMResultSet dataNoCopyForColumnIndex:] in FMResultSet.o
    "_sqlite3_column_int64", referenced from:
        -[FMResultSet longForColumnIndex:] in FMResultSet.o
        -[FMResultSet longLongIntForColumnIndex:] in FMResultSet.o
    "_sqlite3_bind_parameter_count", referenced from:
        -[FMDatabase executeQuery:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMDatabase executeUpdate:error:withArgumentsInArray:orVAList:] in FMDatabase.o
    "_sqlite3_column_count", referenced from:
        -[FMResultSet columnCount] in FMResultSet.o
        -[FMResultSet setupColumnNames] in FMResultSet.o
        -[FMResultSet kvcMagic:] in FMResultSet.o
    "_sqlite3_column_name", referenced from:
        -[FMResultSet setupColumnNames] in FMResultSet.o
        -[FMResultSet kvcMagic:] in FMResultSet.o
        -[FMResultSet columnNameForIndex:] in FMResultSet.o
    "_sqlite3_errmsg", referenced from:
        -[FMDatabase lastErrorMessage] in FMDatabase.o
        -[FMDatabase executeUpdate:error:withArgumentsInArray:orVAList:] in FMDatabase.o
        -[FMResultSet next] in FMResultSet.o
    "_sqlite3_column_type", referenced from:
        -[FMResultSet stringForColumnIndex:] in FMResultSet.o
        -[FMResultSet dateForColumnIndex:] in FMResultSet.o
        -[FMResultSet dataForColumnIndex:] in FMResultSet.o
        -[FMResultSet dataNoCopyForColumnIndex:] in FMResultSet.o
        -[FMResultSet columnIndexIsNull:] in FMResultSet.o
        -[FMResultSet UTF8StringForColumnIndex:] in FMResultSet.o
        -[FMResultSet objectForColumnIndex:] in FMResultSet.o
        ...
    "_sqlite3_libversion", referenced from:
        +[FMDatabase sqliteLibVersion] in FMDatabase.o
    "_sqlite3_errcode", referenced from:
        -[FMDatabase lastErrorCode] in FMDatabase.o
        -[FMResultSet hasAnotherRow] in FMResultSet.o
    "_sqlite3_column_int", referenced from:
        -[FMResultSet intForColumnIndex:] in FMResultSet.o
    "_sqlite3_close", referenced from:
        -[FMDatabase close] in FMDatabase.o
    "_sqlite3_column_double", referenced from:
        -[FMResultSet doubleForColumnIndex:] in FMResultSet.o
    "_sqlite3_data_count", referenced from:
        -[FMResultSet resultDict] in FMResultSet.o
    "_sqlite3_bind_int64", referenced from:
        -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
    "_sqlite3_bind_null", referenced from:
        -[FMDatabase bindObject:toColumn:inStatement:] in FMDatabase.o
  ld: symbol(s) not found for architecture armv7
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  </code></pre>
  
  <p>But the project compiled successfully to simulator , the error happen when i compiled the project to real device . </p>