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[FFmpeg-devel,1/1] tools/cl2c: Strip full path from input file in embedded

Message ID 87sfwyotmg.fsf@yucca
State New
Headers show
Series [FFmpeg-devel,1/1] tools/cl2c: Strip full path from input file in embedded | expand

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Commit Message

Vagrant Cascadian Oct. 18, 2021, 10:28 p.m. UTC
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>
---
 tools/cl2c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Vagrant Cascadian Nov. 13, 2021, 8:05 p.m. UTC | #1
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?

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
Vagrant Cascadian Jan. 8, 2022, 4:49 p.m. UTC | #2
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
diff mbox series

Patch

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.