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Fix failure to build without iterable depset #221

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May 6, 2019
Merged

Fix failure to build without iterable depset #221

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3 changes: 2 additions & 1 deletion bindgen/bindgen.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,8 @@ def _rust_bindgen_impl(ctx):
# nb. We can't grab the cc_library`s direct headers, so a header must be provided.
cc_lib = ctx.attr.cc_lib
header = ctx.file.header
if header not in cc_lib[CcInfo].compilation_context.headers:
cc_header_list = ctx.attr.cc_lib[CcInfo].compilation_context.headers.to_list()
if header not in cc_header_list:
fail("Header {} is not in {}'s transitive headers.".format(ctx.attr.header, cc_lib), "header")

toolchain = ctx.toolchains["@io_bazel_rules_rust//bindgen:bindgen_toolchain"]
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