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From: Vagrant Cascadian <vagrant@reproducible-builds.org>
To: ffmpeg-devel@ffmpeg.org
In-Reply-To: <8735nzbz3r.fsf@ponder>
References: <875ytxpy5k.fsf@yucca> <87sfwyotmg.fsf@yucca>
 <8735nzbz3r.fsf@ponder>
Date: Sat, 08 Jan 2022 08:49:00 -0800
Message-ID: <87ee5iuq9v.fsf@ponder>
MIME-Version: 1.0
Subject: Re: [FFmpeg-devel] [PATCH 1/1] tools/cl2c: Strip full path from
 input file in embedded
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On 2021-11-13, Vagrant Cascadian wrote:
> On 2021-10-18, Vagrant Cascadian wrote:
>> Without this patch, the full build path gets embedded into various
>> binaries shipped in the package, for example, libavfilter.a contains
>> a reference to:
>>
>>   #line 1 "/build/1st/ffmpeg-4.3.2/libavfilter/opencl/avgblur.cl"
>>
>> By not embedding the build path, it makes it easier to recreate the
>> build environment and reproduce the build:
>>
>>   https://reproducible-builds.org/docs/build-path/
>>
>> Originally submitted to Debian as:
>>
>>   https://bugs.debian.org/985187
>>
>> Signed-off-by: Vagrant Cascadian <vagrant@reproducible-builds.org>
>
> Ping?

Happy new year!

Anything I can do to help move this patch forward?

live well,
  vagrant

>> ---
>>  tools/cl2c | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/cl2c b/tools/cl2c
>> index e3f92bab1c..48444e61a7 100755
>> --- a/tools/cl2c
>> +++ b/tools/cl2c
>> @@ -23,11 +23,13 @@ input="$1"
>>  output="$2"
>>  
>>  name=$(basename "$input" | sed 's/.cl$//')
>> +# Avoid embedded the build path, using only the basename of the input file.
>> +base_input=$(basename "$input")
>>  
>>  cat >$output <<EOF
>>  // Generated from $input
>>  const char *ff_opencl_source_$name =
>> -"#line 1 \"$input\"\n"
>> +"#line 1 \"$base_input\"\n"
>>  EOF
>>  
>>  # Convert \ to \\ and " to \", then add " to the start and end of the line.
>> -- 
>> 2.33.0
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