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Subject: Re: [Boost-build] intermediate directory control
From: George Georgiev (george.georgiev.sf_at_[hidden])
Date: 2012-05-12 21:07:34

Thank you Steven,

Is it possible I to supply my own hash function for the --hash option?
MD5 is OK for the CI, but I wish it is a little bit more human
friendly when I need to browse intermediate directory.


On Sat, May 12, 2012 at 5:14 PM, Steven Watanabe <watanabesj_at_[hidden]> wrote:
> On 05/12/2012 11:47 AM, George Georgiev wrote:
>> Hi,
>> I am working on project that involves code generation. This involves
>> very often I to need to browse the intermediate directories. Also I
>> use Jenkins as a CI system with a relatively big matrix of properties.
>> Combining the way Jenkins creates paths with how boost do makes the
>> intermediate directories very long (more than 255 characters), which
>> creates build issues on windows.
>> The long story short I need to be able to control the intermediate
>> directories and I am looking for one or all of these features:
>> 1. Ability to exclude properties from the path. For example: my
>> project is always threading-multi excluding this level form the
>> intermediate path is not going to create any collision.
>> 2. Ability to create directory name alies. For example: if I could
>> rename architecture-x86 to arch-x86 or even x86 it still is going to
>> be completely clear for me what it is about.
>> 3. Ability to combine several properties in a single sub directory
>> level. For example instead:
>> darwin-4.2.1/debug/address-model-64/architecture-x86/link-static/threading-multi
>> I to be able to have
>> darwin-4.2.1_address-model-64_architecture-x86/debug_link-static_threading-multi
>> I am looking for advice how to do it based on the currently
>> implemented features or pointers how to implement them myself.
> --abbreviate-paths reduces the path length
> somewhat.  If that isn't enough --hash
> converts the entire property path into
> a single MD5 checksum.
> Finally, if a composite feature (like <variant>debug)
> is present, the features it includes are not listed
> explicitly.  You can probably exploit this to
> reduce the path length with judicious use of
> composite features.
> In Christ,
> Steven Watanabe
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