[8.1.0] Add no_toolchain_error
to the platform
rule.
#25266
Closed
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This allows platforms to provide custom error messages to users when no required toolchain can be found for a specific type (similar to the
toolchain_type.no_match_error
from b60a0f4).This should point to documentation or directions for users to properly use the platform.
When this is set it replaces the previous message "For more information on platforms or toolchains see https://bazel.build/concepts/platforms-intro."
RELNOTES: Add
missing_toolchain_error
to theplatform
rule, to customize error messages when a required toolchain type cannot be found for that platform.Closes #25256.