The builds made by Travis are for the purpose of making sure that the source code compiles and tests run successfully on all supported platforms. The binaries are not used anywhere else because Travis is not a trusted platform.

The binaries on bitcoin.org are built using the gitian process and signed by a quorum of developers.

On Wed, Sep 23, 2015 at 10:13 AM, Roy Osherove via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> wrote:
Hi Folks.
I'm trying my hand at creating a reproducible build of my own for bitcoin and bitcoin-XT, using TeamCity.
I believe it is the best way to learn something: To try to build it yourself.
Here is what I think I know so far, and I would love corrections, plus questions:
  1. Bitcoin is built continuously on travis-CI at https://travis-ci.org/bitcoin/bitcoin/
  2.  there are many flavors that are built, but I'm not sure if all of them are actually used/necessary. are they all needed, or just to "just in case"?
  3.  There is a gitian build file for bitcoin, but is anyone actually using it? are the bin files on bitcoin.org taken from that? or the travis ci builds? or some other place?
  4. Are there any things that people would love to have in the build that do not exist there today? perhaps I can help with that?
Here is what I have now: http://btcdev.osherove.com:8111/
It does not do the matrix build yet, but it's coming. I'm just wondering if all the platforms need to be supported,and if gitian is truly required to be used, or used in parallel, or at all..

Feedback appreciated.

--
Thanks,

Roy Osherove

   - @RoyOsherove
   - Read my new book Notes to a Software Team Leader
   - Or my new course about Beautiful Builds and Continuous Delivery
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