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31 lines
792 B
Python
31 lines
792 B
Python
# Copyright (c) 2020 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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# This repository rule exists so that we can switch the GHC attribute
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# name in `WORKSPACE` as we cannot use `select` theer.
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_ghc_dwarf_bzl_template = """
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enable_ghc_dwarf = {GHC_DWARF}
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"""
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def _ghc_dwarf_impl(repository_ctx):
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enable_dwarf = repository_ctx.os.environ.get("GHC_DWARF", "") != ""
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substitutions = {
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"GHC_DWARF": enable_dwarf,
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}
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repository_ctx.file(
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"ghc_dwarf.bzl",
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_ghc_dwarf_bzl_template.format(**substitutions),
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False,
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)
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repository_ctx.file(
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"BUILD",
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"",
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False,
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)
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ghc_dwarf = repository_rule(
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implementation = _ghc_dwarf_impl,
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local = True,
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)
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