Hojun-Cho f6dd056ffb build: 9c and 9l can report again ...

Both filter the compiler's output through $egrep, and plan9port assigns
that variable nowhere -- six scripts read it, one unrelated developer
script sets it.  The pipeline dies on the empty command and takes the
whole diagnostic with it, so -Wall -Wextra was decorative and a build
that failed to compile printed nothing but an exit status.  That is how
the tests' own dialect bug hid until it was hunted with a patched 9c.

Both scripts source $PLAN9/config, which the distribution does not ship,
so one line in it is the fix the scripts themselves ask for; it needs no
patching of a packaged file and covers 9c and 9l together.  The daemon it
builds is byte-identical, and with the diagnostics visible the whole tree
and every test object compile without a warning.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-08-17 20:04:33 +09:00

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