OpenJDK Project insatisfaction

David Holmes david.holmes at
Fri Jun 1 23:21:46 UTC 2018

On 2/06/2018 4:30 AM, Emilio Aguilar Gutiérrez wrote:
> Hello.
> I understand the benefit of proving a complier can regenerate itself...
> It is a great demostration of "non triviality"...
> But in relation with my concern... Everybody should also have access to the
> original compiler development... which was written in other language
> (because the targeted one did not existed yet).
> I would like to recover the first development source code of it.
> Then, I could have all the complet chain...
> 1- First JDK (perhaps written in C / C++)

I doubt it ever existed. There would have been a basic parser/generator 
tool using the tools of the day back in the mid 80's to bootstrap the 
initial prototype but that would have become self-hosting years before 
such a thing as a "JDK" existed.


> 2- JDK self compiled
> 3- All the next enhancements.
> But... without the point 1... the beginning is lost... and also any other
> beginning that could learn from the first one...
> Does anybody have the source code of OpenJDK 0.0 in a programming language
> other than Java?
> I am very interested....
> Thank a lot for your answers.
> Emilio Aguilar Gutiérrez
> 2018-06-01 17:15 GMT+01:00 Remi Forax <forax at>:
>> Any non trivial languages have a self hosting compiler, javac or gcc has
>> been bootstrapped the same way.
>> Rémi
>> ----- Mail original -----
>>> De: "Emilio Aguilar Gutiérrez" <eag2001 at>
>>> À: "jdk-dev" <jdk-dev at>
>>> Envoyé: Vendredi 1 Juin 2018 16:29:44
>>> Objet: OpenJDK Project insatisfaction
>>> Hello
>>> I have enrolled in this posting list to make receive to everybody my
>>> insatisfaction message (ohh)...
>>> I am 49 years old and I am in the IT Development world since the 80's...
>>> I started with Spectrum 64...
>>> I have learned Pascal, C, C++, SQL, Java, Javascript, and the list
>>> continues...
>>> And I like the JVM idea (multiplatform virtual machine architecture)
>>> But I got very dissapointed when I realized that to get OpenJDK from the
>>> source code, I have to install a previous JDK...
>>> This means that I cannot get JDK just from a source code and a external
>>> tool...
>>> So, I thought that JDK source code was useless... Because, If I have de
>>> JDK, why do I have to compile the JDK?... It is only worthy to make an
>>> upgrade... But... where is the seed? How can I get the initial seed?
>>> In C world the things are different... You can build everything in some
>> few
>>> steps:
>>> 1) Get a OS (FreeDos or Minimal Linux)
>>>             ^----This is an Achilles heel...
>>> 2) Get an Asembler tool for that OS and CPU
>>>            ^----This is an Achilles heel...
>>> 3) Get an Assembler code for a C/C++ Compiler-Linker
>>> 4) Generate a C/C++ Compiler-Linker
>>> 5) Start Building C/C++ Compiler-Linker Better (DJGCC or GCC)
>>> 6) Build all the libraries you need
>>> 7) Create everything...
>>> That should include:
>>> 1) Java Clases and Libraries
>>> 1) JVM
>>> 2) javac
>>> 3) JDK complete
>>> Unfortunately... OpenJDK is not in this sequence...
>>> And I feel that is need to solve the gap...
>>> Because, now, source-code is useless (except for upgrade)
>>> I hope being able to express my idea clearly...
>>> And to convince somebody to review the current way of evolving... Because
>>> it have lost the connection with the origins.
>>> Regards,
>>> Emilio Aguilar Gutiérrez
>>> Software Engineer & IT Teacher

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