sorry to say but turkey is just going to get F-35 from USA not develop its own, and the Azarakhash and Saeqah of Iran are 3rd generation, and only ground attack....no way near a 5th generation jet
If you look here
Fifth-generation jet fighter - Wikipedia, the free encyclopedia
You will see that there is only one 5th generation fighter today and that is F-22 Raptor. Scroll down and you will see the countries which is currently developing a 5th generation jet fighter:
Russia
Sukhoi PAK FA (prototype's maiden flight on 29 January 2010; introduction planned for 2013[53])
T-50K (Naval derivative of Sukhoi PAK FA, introduction planned for 2016 [54]
Mikoyan LMFS[citation needed]
People's Republic of China
J-20 (multiple programmes; first flight on 11 January 2011; introduction planned for 2018)[55][56][57]
United States/ United Kingdom/ Italy/ Netherlands/ Turkey/ Canada/ Australia/ Norway/ Denmark
Lockheed Martin F-35 Lightning II (maiden flight on 15 December 2006;[58] introduction planned for 2018[59])
Russia/ India
Sukhoi/HAL FGFA (derivative of Sukhoi PAK FA; introduction planned for 2016)[60][61]
India
HAL Advanced Medium Combat Aircraft[62][63][64][65][66][67][68][69]
Japan
Mitsubishi ATD-X[70]
South Korea Indonesia
Korea Aerospace Industries/ Indonesian Aerospace KAI KF-X [71]
Turkey
TuAF TFX (Conceptual design phase started in August 2011; introduction planned for 2020)
As you can see Turkey is both co-developer for the f35 and developing her own indigineous 5th generation fighter. Which will be introduced insallah in 2020.
http://en.wikipedia.org/wiki/TFX_(Turkey)