Subject: Re: bug#25916: [PATCH] gnu: mumble: Make builds bit-reproducible.

From: Marius Bakke <[email-masked]>
Date: Wed, 01 Mar 2017 17:43:46 +0100

Kei Kebreau <[email-masked]> writes:

> * gnu/packages/telephony.scm (mumble)[source]: Add 'substitute*' calls
> to 'snippet' for src/Version.h and src/mumble/VersionCheck.cpp.

Thanks a lot for this! The patch LGTM, but FYI won't be necessary once
'core-updates' is merged. See this commit, which backports a gcc7 patch.

d71d6fe85c4db778be6a2081cbbec6a3a494e4f9

> ---
>  gnu/packages/telephony.scm | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/gnu/packages/telephony.scm b/gnu/packages/telephony.scm
> index 87261825c..4ff2acd25 100644
> --- a/gnu/packages/telephony.scm
> +++ b/gnu/packages/telephony.scm
> @@ -330,6 +330,12 @@ address of one of the participants.")
>                (modules '((guix build utils)))
>                (snippet
>                 `(begin
> +                  ;; Remove timestamps for reproducibility.
> +                  (substitute* "src/Version.h"
> +                    (("\"Compiled \" __DATE__ \" \" __TIME__") "\"\""))
> +                  (substitute* "src/mumble/VersionCheck.cpp"
> +                    (("^.*__DATE__.*$") "")
> +                    (("^.*__TIME__.*$") ""))
>                    ;; Remove bundled software.
>                    (for-each delete-file-recursively '("3rdparty"
>                                                        "speex"
> -- 
> 2.12.0