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# -*- Python -*-
"""Repository rule for arm compiler autoconfiguration."""
def _tpl(repository_ctx, tpl, substitutions={}, out=None):
if not out:
out = tpl
repository_ctx.template(
out,
Label("//third_party/toolchains/cpus/arm:%s.tpl" % tpl),
substitutions)
def _arm_compiler_configure_impl(repository_ctx):
_tpl(repository_ctx, "CROSSTOOL", {
"%{ARM_COMPILER_PATH}%": str(repository_ctx.path(
repository_ctx.attr.remote_config_repo)),
})
repository_ctx.symlink(repository_ctx.attr.build_file, "BUILD")
arm_compiler_configure = repository_rule(
implementation = _arm_compiler_configure_impl,
attrs = {
"remote_config_repo": attr.string(mandatory = False, default =""),
"build_file": attr.label(),
},
)
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