67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
""" Rule for building Boost from sources. """
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load("//foreign_cc/private:detect_root.bzl", "detect_root")
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load(
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"//foreign_cc/private:framework.bzl",
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"CC_EXTERNAL_RULE_ATTRIBUTES",
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"CC_EXTERNAL_RULE_FRAGMENTS",
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"cc_external_rule_impl",
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"create_attrs",
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"expand_locations_and_make_variables",
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)
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def _boost_build_impl(ctx):
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attrs = create_attrs(
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ctx.attr,
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configure_name = "BoostBuild",
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create_configure_script = _create_configure_script,
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)
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return cc_external_rule_impl(ctx, attrs)
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def _create_configure_script(configureParameters):
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ctx = configureParameters.ctx
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root = detect_root(ctx.attr.lib_source)
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data = ctx.attr.data + ctx.attr.build_data
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user_options = expand_locations_and_make_variables(ctx, ctx.attr.user_options, "user_options", data)
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return [
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"cd $INSTALLDIR",
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"##copy_dir_contents_to_dir## $$EXT_BUILD_ROOT$$/{}/. .".format(root),
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"chmod -R +w .",
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"##enable_tracing##",
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"./bootstrap.sh {}".format(" ".join(ctx.attr.bootstrap_options)),
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"./b2 install {} --prefix=.".format(" ".join(user_options)),
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"##disable_tracing##",
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]
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def _attrs():
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attrs = dict(CC_EXTERNAL_RULE_ATTRIBUTES)
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attrs.pop("targets")
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attrs.update({
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"bootstrap_options": attr.string_list(
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doc = "any additional flags to pass to bootstrap.sh",
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mandatory = False,
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),
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"user_options": attr.string_list(
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doc = "any additional flags to pass to b2",
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mandatory = False,
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),
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})
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return attrs
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boost_build = rule(
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doc = "Rule for building Boost. Invokes bootstrap.sh and then b2 install.",
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attrs = _attrs(),
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fragments = CC_EXTERNAL_RULE_FRAGMENTS,
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output_to_genfiles = True,
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provides = [CcInfo],
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implementation = _boost_build_impl,
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toolchains = [
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"@rules_foreign_cc//foreign_cc/private/framework:shell_toolchain",
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"@bazel_tools//tools/cpp:toolchain_type",
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],
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# TODO: Remove once https://github.com/bazelbuild/bazel/issues/11584 is closed and the min supported
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# version is updated to a release of Bazel containing the new default for this setting.
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incompatible_use_toolchain_transition = True,
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)
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