cc_toolchain/sysroot.bzl - third_party/github/bazelembedded/rules_cc_toolchain - Git at Google

 def _no_op(ctx):
     pass

 sysroot_package = rule(
     _no_op,
     doc = "Marks a package as a sysroot. This rule serves as a placeholder for\
 other labels to point to.",
 )
	def _no_op(ctx):
	pass

	sysroot_package = rule(
	_no_op,
	doc = "Marks a package as a sysroot. This rule serves as a placeholder for\
	other labels to point to.",
	)