David Garcia 0eaa42c846 docs: Makefile: drop redundant -t $(FLAG) from sphinx options ...

Related  scylladb/scylladb-docs-homepage#153.

make multiversion failed under Sphinx 8+ with:

```
sphinx-build: error: argument --tag/-t: expected one argument
subprocess.CalledProcessError: Command '(..., '-m', 'sphinx', '-t', '-D', 'smv_metadata_path=...', ..., 'manual')' returned non-zero exit status 2.
make: *** [multiversion] Error 1
```

sphinx-multiversion's arg forwarding splits `-t manual`, sending `-t` into the options slot and `manual` to the trailing FILENAMES positional.

Sphinx 7 silently tolerated the dangling `-t`; Sphinx 8+'s stricter
argparse CLI rejects it. Instead, it now reads FLAGS from an env variable.

How to test:

````
make multiversion
make FLAG=opensource multiversion
````

Both complete and switch variants correctly.

chore: rm empty lines

Closes scylladb/scylladb#29472

2026-04-15 14:40:15 +03:00

2.8 KiB

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