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configure: add the libswscale dependency of scale_vulkan

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scale_vulkan calls sws_alloc_context(), sws_scale_frame() and
sws_free_context(), and scale_vulkan_filter_deps lists swscale, but
the conditional library dependency list has no entry for the filter.
A build with only this filter enabled sets avfilter_FFLIBS=avutil, so
a shared libavfilter has no libswscale NEEDED entry and a consumer
linked with -Wl,--no-allow-shlib-undefined fails on the three sws_*
symbols.

With this entry avfilter_FFLIBS=swscale avutil and the consumer links
and runs with LD_BIND_NOW=1. A standalone scale_vulkan build also
needs scale_eval.o, which "avfilter/Makefile: add missing objects for
standalone Vulkan filters" adds.

Signed-off-by: lusoris <lusoris@proton.me>
This commit is contained in:
lusoris authored and Gyan Doshi committed 2026-11-04 04:38:43 +00:00
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commit a7206f6ba3
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@@ -8252,6 +8252,7 @@ enabled qrencodesrc_filter && prepend avfilter_deps "swscale"
enabled removelogo_filter && prepend avfilter_deps "avformat avcodec swscale"
enabled sab_filter && prepend avfilter_deps "swscale"
enabled scale_filter && prepend avfilter_deps "swscale"
enabled scale_vulkan_filter && prepend avfilter_deps "swscale"
enabled scale2ref_filter && prepend avfilter_deps "swscale"
enabled showcqt_filter && prepend avfilter_deps "avformat swscale"
enabled signature_filter && prepend avfilter_deps "avcodec"