[tor-dev] Go version in Gitian descriptors

[Tim Wilson-Brown - teor]

> On 4 Jan 2016, at 16:14, David Fifield <david at bamsoftware.com> wrote:
> 
> On Sun, Jan 03, 2016 at 11:01:25PM -0600, Jeremy Rand wrote:
>> I noticed that it looks like Tor Project is using Go 1.4.2 to build
>> the pluggable transports in Gitian.  I'm curious why a newer version
>> of Go isn't used.  My understanding is that Go 1.4.2 (or earlier) is
>> needed to build Go 1.5 because 1.5's source code is itself in Go.
>> Would using Go 1.5 be as simple as building 1.4.2 in Gitian (as is
>> done now), and then using 1.4.2 to build 1.5, and then placing 1.5 in
>> PATH instead of 1.4.2 as is done now?  Have obstacles been identified
>> in such a configuration, or is it just that no one tried it?
> 
> It's just that nobody has tried it. Here's the ticket for the most
> recent update (to 1.4.2) if you want to make a new patch and file a new
> ticket:
> https://bugs.torproject.org/15448 <https://bugs.torproject.org/15448>

Note the go bootstrap process has changed now that go is entirely written in go:

The new build process for Go 1.x (x ≥ 5) will be:

	• Build cmd/dist with Go 1.4.
	• Using dist, build Go 1.x compiler toolchain with Go 1.4.
	• Using dist, rebuild Go 1.x compiler toolchain with itself.
	• Using dist, build Go 1.x cmd/go (as go_bootstrap) with Go 1.x compiler toolchain.
	• Using go_bootstrap, build the remaining Go 1.x standard library and commands.

https://docs.google.com/document/d/1OaatvGhEAq7VseQ9kkavxKNAfepWy2yhPUBs96FGV28/edit?pref=2&pli=1

Tim Wilson-Brown (teor)

teor2345 at gmail dot com
PGP 968F094B

teor at blah dot im
OTR CAD08081 9755866D 89E2A06F E3558B7F B5A9D14F

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