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 <vagr...@reproducible-builds.org> --- 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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