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package/go: ensure there is a host-go provider

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Commit fa2536ec94 (package/go: make host package a virtual package)
introduced host-go as a host-only virtual package, which had a single
provider, the choice of which is only exposed when a (target or host)
package has selected BR2_PACKAGE_HOST_GO to indicate it needs host-go.

However, this forgot to account for prompt-less, host-only packages,
which have no way of selecting that symbol.

Having prompt-less, host-only packages is a totally unexceptional,
supported case; for example a host package can be depended upon by
another (target or host) package, or by a filesystem, and we do not
require Kconfig symbols to be exposed for those packages.

As a consequence, when not package is enabled, that can select that
symbol, we can't run 'make source' or 'make host-foo-source':

    make[1]: *** No rule to make target 'host-', needed by
    '[...]/build/host-go-1.22.4/.stamp_configured'. Stop.

Fix that by moving the provider symbol out of the if-block, so that
there is always a provider defined.

Now, we only have host-go-src as a provider, but the symbol is still
part of the choice that is conditional (and that _has_ to be
conditional), so the BR2_PACKAGE_HOST_GO_SRC can never be set unless
there is a package that explicitly select BR2_PACKAGE_HOST_GO.

So, drop the conditional on the default, so that there is always a
provider available.

This mirrors other similar situations, like the rust case.

Fixes: fa2536ec94

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
LGTM: Arnout Vandecappelle (Essensium/Mind) (on IRC) <arnout@mind.be>
This commit is contained in:
Yann E. MORIN 2024-06-20 17:57:22 +02:00
parent 7338e10389
commit 99a5d51c6e
1 changed files with 4 additions and 4 deletions
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8
package/go/Config.in.host
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@ -54,12 +54,12 @@ config BR2_PACKAGE_HOST_GO_SRC
endchoice
endif
config BR2_PACKAGE_PROVIDES_HOST_GO
string
# Default to host-go-src
default "host-go-src" if BR2_PACKAGE_HOST_GO_SRC
endif
# Default to host-go-src, as the only provider for now
default "host-go-src"
source "package/go/go-bootstrap-stage1/Config.in.host"
source "package/go/go-bootstrap-stage2/Config.in.host"