When did gdc and ldc start?

[Iain Buclaw]

On 1 August 2018 at 03:04, Walter Bright via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> On 7/31/2018 12:07 PM, Iain Buclaw wrote:
>>
>> On 31 July 2018 at 20:40, Walter Bright via Digitalmars-d
>> <digitalmars-d at puremagic.com> wrote:
>>>
>>> What's the difference between:
>>>
>>>          DLI
>>>          GDMD
>>>          DGCC
>>>
>>> ?
>>
>>
>> DLI: From what I recall, an independent project that just simply
>> ported DMD front-end to Linux.  I don't remember the details how but
>> it had its own backend.
>> GDMD: One failed attempt at getting a GCC back-end working with DMD.
>> DGCC: The first successful GCC based compiler, to which GDC is derived
>> from.
>>
>> You could call DGCC the LUCA of GDC
>> (https://en.wikipedia.org/wiki/Last_universal_common_ancestor :-)
>>
>> Iain
>>
>
> Was DGCC started from the GDMD sources?
>

As far as I can tell, they were independent attempts.