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Add additional_linker_inputs option to cc_library rule #18952

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Add additional_linker_inputs option to cc_library rule #18952

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24 changes: 12 additions & 12 deletions src/main/java/com/google/devtools/build/lib/bazel/rules/cpp/BazelCppRuleClasses.java
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Original file line number Diff line number Diff line change
Expand Up @@ -310,6 +310,18 @@ public RuleClass build(RuleClass.Builder builder, final RuleDefinitionEnvironmen
</p>
<!-- #END_BLAZE_RULE.ATTRIBUTE -->*/
.add(attr("linkopts", STRING_LIST))
/*<!-- #BLAZE_RULE($cc_rule).ATTRIBUTE(additional_linker_inputs) -->
Pass these files to the C++ linker command.
<p>
For example, compiled Windows .res files can be provided here to be embedded in
the binary target.
</p>
<!-- #END_BLAZE_RULE.ATTRIBUTE -->*/
.add(
attr("additional_linker_inputs", LABEL_LIST)
.orderIndependent()
.direct_compile_time_input()
.allowedFileTypes(FileTypeSet.ANY_FILE))
/*<!-- #BLAZE_RULE($cc_rule).ATTRIBUTE(nocopts) -->
Remove matching options from the C++ compilation command.
Subject to <a href="${link make-variables}">"Make" variable</a> substitution.
Expand Down Expand Up @@ -487,18 +499,6 @@ public static final class CcBinaryBaseRule implements RuleDefinition {
@Override
public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment env) {
return builder
/*<!-- #BLAZE_RULE($cc_binary_base).ATTRIBUTE(additional_linker_inputs) -->
Pass these files to the C++ linker command.
<p>
For example, compiled Windows .res files can be provided here to be embedded in
the binary target.
</p>
<!-- #END_BLAZE_RULE.ATTRIBUTE -->*/
.add(
attr("additional_linker_inputs", LABEL_LIST)
.orderIndependent()
.direct_compile_time_input()
.allowedFileTypes(FileTypeSet.ANY_FILE))
.override(
attr("deps", LABEL_LIST)
.allowedRuleClasses(DEPS_ALLOWED_RULES)
Expand Down
11 changes: 8 additions & 3 deletions src/main/starlark/builtins_bzl/common/cc/cc_library.bzl
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Expand Up @@ -148,7 +148,7 @@ def _cc_library_impl(ctx):
compilation_outputs = compilation_outputs,
cc_toolchain = cc_toolchain,
feature_configuration = feature_configuration,
additional_inputs = _filter_linker_scripts(ctx.files.deps),
additional_inputs = _filter_linker_scripts(ctx.files.deps) + ctx.files.additional_linker_inputs,
linking_contexts = linking_contexts,
grep_includes = ctx.executable._grep_includes,
user_link_flags = cc_helper.linkopts(ctx, additional_make_variable_substitutions, cc_toolchain),
Expand Down Expand Up @@ -206,11 +206,12 @@ def _cc_library_impl(ctx):
else:
user_link_flags = cc_helper.linkopts(ctx, additional_make_variable_substitutions, cc_toolchain)
linker_scripts = _filter_linker_scripts(ctx.files.deps)
if len(user_link_flags) > 0 or len(linker_scripts) > 0 or not semantics.should_create_empty_archive():
additional_linker_inputs = ctx.files.additional_linker_inputs
if len(user_link_flags) > 0 or len(linker_scripts) > 0 or len(additional_linker_inputs) > 0 or not semantics.should_create_empty_archive():
linker_input = cc_common.create_linker_input(
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owner = ctx.label,
user_link_flags = user_link_flags,
additional_inputs = depset(linker_scripts),
additional_inputs = depset(linker_scripts + additional_linker_inputs),
)
contexts_to_merge.append(cc_common.create_linking_context(linker_inputs = depset([linker_input])))

Expand Down Expand Up @@ -575,6 +576,10 @@ attrs = {
),
"linkstamp": attr.label(allow_single_file = True),
"linkopts": attr.string_list(),
"additional_linker_inputs": attr.label_list(
allow_files = True,
flags = ["ORDER_INDEPENDENT", "DIRECT_COMPILE_TIME_INPUT"],
),
"includes": attr.string_list(),
"defines": attr.string_list(),
"copts": attr.string_list(),
Expand Down
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