> Also, since you’re relying on the latest googletest, protobuf and re2 your release will work today and will break at some point in the future. That’s not OK. A release can depend only on releases, not snapshots or live repositories.

Thanks for pointing that. It is possible to fetch a particular release (based on its commit ID) of the submodule. We will add the release commit ID to the git submodule file.


On 01/05/2017 01:44 PM, Julian Hyde wrote:
Git sub-modules are useful, I agree. But for a source release, the goal is that 
someone should be able to download the source tar-ball and go:

$ curl -O …/apache-quickstep-x.x-incubating.tar.gz
$ tar xvfz apache-quickstep-x.x-incubating.tar.gz
$ cd apache-quickstep-x.x-incubating/build
$ ./download-thirdparty.sh
$ cmake etc.

I tried to find other Apache projects that use git submodules and see what they 
do for source releases. Not much luck. Maybe someone else can find something.

Also, since you’re relying on the latest googletest, protobuf and re2 your 
release will work today and will break at some point in the future. That’s not 
OK. A release can depend only on releases, not snapshots or live repositories.

Julian



On Jan 5, 2017, at 11:03 AM, Harshad Deshmukh <hars...@cs.wisc.edu> wrote:

Thanks for the review Julian.

For some of the third party libraries used in Quickstep (e.g. googletest, 
protobuf and re2) we use the submodules feature of git. For such libraries, the 
developer has to initialize the submodule only once, which pulls code from the 
third party repo to the Quickstep third party directory.

I don't know of a centralized repo for C++ projects. Does the git submodule 
method sound similar to the maven central approach you mentioned?

On 01/05/2017 12:43 PM, Julian Hyde wrote:
I took a quick look at third_party and there don’t seem to be any binaries in 
there. That’s good. You definitely cannot include binaries in a source release.

The more you can remove from third_party, the better. It doesn’t have to be 
done this release, but the less IP there is to review, the easier for everyone.

Consider pulling from an external source the first time the developer builds in 
a sandbox, then apply patches. The patches will be the only thing checked in to 
quickstep. (My expertise is in Java projects, which these days get their 
dependencies from a Maven repo such as Maven central; I don’t know whether 
there is an equivalent place to pull C and C++ source code. Might be worth a 
review of what other C and C++ based Apache projects do for their third-party 
dependencies.)

Julian


On Jan 5, 2017, at 9:43 AM, Marc Spehlmann <spehl.apa...@gmail.com> wrote:

That seems to be the repo with the LLVM code for implementing IWYU. I think
what we have in our repo is scripts ontop of that library. I'm wondering
where the scripts came from.

Thanks,
Marc

On Thu, Jan 5, 2017 at 10:50 AM, Harshad Deshmukh <hars...@cs.wisc.edu>
wrote:

Hi Marc,

How about this one for IWYU?

https://github.com/include-what-you-use/include-what-you-use
/blob/master/LICENSE.TXT


On 01/05/2017 10:43 AM, Marc Spehlmann wrote:

I double checked the libraries in thirdy_party. They adhere to Apache's
3rd
party requirement as they are all apache 2 or opensourced by Google. The
only issue I saw was that IWYU has no documentation. Anyone know of its
source?

Library

Ver

License

Notes

benchmark

Apache 2.0

cpplint

Google

Header states that reuse is unconditional so long as the copyright header
stays intact.

Farmhash

Google

No restrictions so long as COPYING file is preserved. See COPYING

gflags

Google

No restrictions so long as COPYING file is preserved. See COPYING

glog

Google

No restrictions so long as COPYING file is preserved. See COPYING

gtest

Google

No restrictions so long as COPYING file is preserved. See COPYING in
subprojects.

gperftools

Google

No restrictions so long as COPYING file is preserved.

iwyu


No license present

linenoise

Google

No restrictions so long as LICENSE file is preserved.

protobuf

Google

No restrictions so long as LICENSE file is preserved.

RE2

Google

No restrictions so long as LICENSE file is preserved.

tmb

Apache 2.0

README: TMB is part of the Quickstep project (copyright Pivotal Software,
Inc.) and is distributed under the same license terms.


--
Thanks,
Harshad


--
Thanks,
Harshad


--
Thanks,
Harshad

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