mirror of
https://github.com/bazel-contrib/rules_foreign_cc
synced 2024-11-30 16:42:07 +00:00
64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# buildifier: disable=module-docstring
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load("@rules_foreign_cc//tools/build_defs:cc_toolchain_util.bzl", "get_flags_info")
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def _impl(ctx):
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flags = get_flags_info(ctx)
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assert_contains_once(flags.assemble, "-fblah0")
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assert_contains_once(flags.assemble, "-fblah2")
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assert_contains_once(flags.cc, "-fblah0")
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assert_contains_once(flags.cc, "-fblah2")
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assert_contains_once(flags.cxx, "-fblah0")
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assert_contains_once(flags.cxx, "-fblah1")
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assert_contains_once(flags.cxx_linker_executable, "-fblah3")
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assert_contains_once(flags.cxx_linker_shared, "-fblah3")
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if "-fblah3" in flags.cxx_linker_static:
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fail("Static linker flags should not contain '-fblah3'")
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exe = ctx.outputs.out
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ctx.actions.write(
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output = exe,
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is_executable = True,
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# The file must not be empty because running an empty .bat file as a
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# subprocess fails on Windows, so we write one space to it.
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content = " ",
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)
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return [DefaultInfo(files = depset([exe]), executable = exe)]
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# buildifier: disable=function-docstring
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def assert_contains_once(arr, value):
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cnt = 0
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for elem in arr:
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if elem == value:
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cnt = cnt + 1
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if cnt == 0:
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fail("Did not find " + value)
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if cnt > 1:
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fail("Value is included multiple times: " + value)
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_flags_test = rule(
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implementation = _impl,
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attrs = {
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"deps": attr.label_list(),
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"out": attr.output(),
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"_cc_toolchain": attr.label(default = Label("@bazel_tools//tools/cpp:current_cc_toolchain")),
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},
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toolchains = ["@bazel_tools//tools/cpp:toolchain_type"],
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fragments = ["cpp"],
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test = True,
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)
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def flags_test(name, **kwargs):
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_flags_test(
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name = name,
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# On Windows we need the ".bat" extension.
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# On other platforms the extension doesn't matter.
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# Therefore we can use ".bat" on every platform.
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out = name + ".bat",
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**kwargs
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)
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