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From: René Ferdinand Rivera Morell (grafikrobot_at_[hidden])
Date: 2020-08-29 03:08:20


On Fri, Aug 28, 2020 at 10:23 AM René Ferdinand Rivera Morell <
grafikrobot_at_[hidden]> wrote:

> On Fri, Aug 28, 2020 at 9:52 AM John Maddock via Boost-build <
> boost-build_at_[hidden]> wrote:
>
>>
>> On 28/08/2020 11:46, Arvid Norberg via Boost-build wrote:
>> > On Sat, Mar 30, 2019 at 4:45 PM Steven Watanabe via Boost-build
>> > <boost-build_at_[hidden] <mailto:boost-build_at_[hidden]>>
>> wrote:
>> >
>> > On 3/29/19 2:57 AM, Arvid Norberg via Boost-build wrote:
>> > > <snip>
>> > > In the gcc toolset, there's mentioning of JAM_SEMAPHORE, in the
>> > link rules.
>> > > I don't fully understand how this affect the linking, but I
>> > suspect it
>> > > means only one target can be linked at a time.
>> > >
>> > >
>> >
>> https://github.com/boostorg/build/blob/develop/src/tools/gcc.jam#L1064
>> > <
>> https://github.com/boostorg/build/blob/develop/src/tools/gcc.jam#L1064>
>> > > [...]
>> >
>> > This is a very old optimization which is almost
>> > certainly out-dated. If no one objects, I'm
>> > just going to remove it.
>> >
>> >
>>
>> Yes please!!!
>>
>> I've complained about this before, it's a huge bottleneck building for
>> MIngw - basically the obj files get built first, and then it sits doing
>> pretty much nothing linking one test at a time :(
>>
>
> Is there an issue or PR for this? I'll fix it regardless :-) Just
> wondering if I missed something.
>

Anyway... Here it is <
https://github.com/boostorg/build/commit/54f811b7593dc751ec1b306cad27f32cfce81f36
>.

-- 
-- René Ferdinand Rivera Morell
-- Don't Assume Anything  -- No Supone Nada
-- Robot Dreams - http://robot-dreams.net


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