Lintian tag information: configure-generated-file-in-source (type: warning)

Description (from lintian-explain-tags)

Leaving config.cache/status causes autobuilders problems. config.cache and
config.status are produced by GNU autoconf's configure scripts. If they
are left in the source package, autobuilders may pick up settings for the
wrong architecture.

The clean rule in debian/rules should remove this file. This should
ideally be done by fixing the upstream build system to do it when you run
the appropriate cleaning command (and don't forget to forward the fix to
the upstream authors so it doesn't happen in the next release). If that is
already implemented, then make sure you are indeed cleaning it in the
clean rule. If all else fails, a simple rm -f should work.

Note that Lintian cannot reliably detect the removal in the clean rule, so
once you fix this, please ignore or override this warning.

Visibility: warning
Show-Always: no
Check: build-systems/autotools

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