The new detection method also allows to enable librtmp without using
OpenSSL as a curl TLS backend at the same time.
Also:
- implement manual version detection for librtmp.
Version info is in hex. With CMake 3.13 and newer, extract it as a hex
number. With earlier CMake version, just strip the leading zeroes.
Doing more here seems overkill because librtmp has been standing
at 2.3/2.4 for a decade now. Bumping into hex digits seems unlikely
before deprecating CMake 3.13 support.
librtmp advertises v2.4 via its `pkg-config` module, and v2.3 via
its public header. The latter shows up in `curl -V` and either can
be shown at configure-time depending on detection method.
This isn't a curl bug.
- GHA/macos: enable rtmp in a job.
- apply the "half-detection" fix to the Find module.
`librtmp` is also affected (in CI too), because it depends on libssl and
libcrypto.
Closes#15832
You find a mix of various documentation in this directory and subdirectories,
using several different formats. Some of them are not ideal for reading
directly in your browser.
If you would rather see the rendered version of the documentation, check out the
curl website's documentation section for
general curl stuff or the libcurl section for
libcurl related documentation.
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