[Reproducible-builds] Bug#814883: lcms2: please add a way for clients to set the creation date/time in profile headers

[Jérémy Bobbio]

Package: liblcms2-dev
Version: 2.6-3
Severity: wishlist
Tag: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps toolchain

Hi!

liblcms will currently always use the current time to set the creation
time in profile headers. In the context of the “Reproducible Builds”
effort [1], this will prevent colord from building its profiles
bit-for-bit identical, despite having the exact same source.

The attached patch adds cmsSetHeaderCreationDateTime() to allow clients
to set an explicit creation date/time for a profile.

 [1]: https://wiki.debian.org/ReproducibleBuilds

-- 
Lunar                                .''`. 
lunar at debian.org                    : :Ⓐ  :  # apt-get install anarchism
                                    `. `'` 
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