[FFmpeg-devel] [PATCH 1/5] configure: remove build-time check for gzip support in zlib

[Ramiro Polla]

Hi Jacob,

On Fri, May 30, 2025 at 8:19 PM Jacob Lifshay <programmerjake at gmail.com> wrote:
> On May 30, 2025 4:10:45 AM PDT, Ramiro Polla <ramiro.polla at gmail.com> wrote:
> > I'll postpone this part of the patchset (patches 1 to 3) for a while
> > to give more time for people to comment. If anybody can find a system
> > where zlib doesn't support gzip, please let us know.
>
> idk if anyone is using it as the system zlib, but zlib-rs supports zlib's c api but doesn't come with a gzip executable. https://github.com/trifectatechfoundation/zlib-rs/blob/7fafed0d3ed7990349f5863dfba755cbac9ca543/README.md#c-projects

Thank you for sharing this.

The issue we're looking for is not whether a gzip executable exists,
but whether the zlib API supports decoding gzip files or only raw
deflate streams.

Ramiro