StrixOS/build_soong
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Add cc_prebuilt_library helpers for use by the llvm_prebuilt_library_static converter.

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Test: bazel build //prebuilts/clang/host/linux-x86:prebuilt_libFuzzer
Test: bazel build //prebuilts/clang/host/linux-x86:prebuilt_libomp
Test: bazel build //prebuilts/clang/host/linux-x86:prebuilt_libunwind
Test: bazel build //prebuilts/clang/host/linux-x86:prebuilt_libunwind-exported

Change-Id: I9343e19a149b62785e8ee3096254776c19675032
This commit is contained in:
Rupert Shuttleworth
2021-05-14 03:02:34 -04:00
parent f6840284b6
commit ffd4582b86
4 changed files with 93 additions and 24 deletions
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73
cc/bp2build.go
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@@ -266,6 +266,66 @@ func bp2buildParseStaticOrSharedProps(ctx android.TopDownMutatorContext, module
return attrs
}
// Convenience struct to hold all attributes parsed from prebuilt properties.
type prebuiltAttributes struct {
Src bazel.LabelAttribute
}
func Bp2BuildParsePrebuiltLibraryProps(ctx android.TopDownMutatorContext, module *Module) prebuiltAttributes {
prebuiltLibraryLinker := module.linker.(*prebuiltLibraryLinker)
prebuiltLinker := prebuiltLibraryLinker.prebuiltLinker
var srcLabelAttribute bazel.LabelAttribute
if len(prebuiltLinker.properties.Srcs) > 1 {
ctx.ModuleErrorf("Bp2BuildParsePrebuiltLibraryProps: Expected at most once source file\n")
}
if len(prebuiltLinker.properties.Srcs) == 1 {
srcLabelAttribute.Value = android.BazelLabelForModuleSrcSingle(ctx, prebuiltLinker.properties.Srcs[0])
for arch, props := range module.GetArchProperties(ctx, &prebuiltLinkerProperties{}) {
if prebuiltLinkerProperties, ok := props.(*prebuiltLinkerProperties); ok {
if len(prebuiltLinkerProperties.Srcs) > 1 {
ctx.ModuleErrorf("Bp2BuildParsePrebuiltLibraryProps: Expected at most once source file for arch %s\n", arch.Name)
}
if len(prebuiltLinkerProperties.Srcs) == 1 {
srcLabelAttribute.SetValueForArch(arch.Name, android.BazelLabelForModuleSrcSingle(ctx, prebuiltLinkerProperties.Srcs[0]))
}
}
}
}
for os, targetProperties := range module.GetTargetProperties(ctx, &prebuiltLinkerProperties{}) {
if prebuiltLinkerProperties, ok := targetProperties.Properties.(*prebuiltLinkerProperties); ok {
if len(prebuiltLinkerProperties.Srcs) > 1 {
ctx.ModuleErrorf("Bp2BuildParsePrebuiltLibraryProps: Expected at most once source file for os %s\n", os.Name)
}
if len(prebuiltLinkerProperties.Srcs) == 1 {
srcLabelAttribute.SetOsValueForTarget(os.Name, android.BazelLabelForModuleSrcSingle(ctx, prebuiltLinkerProperties.Srcs[0]))
}
}
for arch, archProperties := range targetProperties.ArchProperties {
if prebuiltLinkerProperties, ok := archProperties.(*prebuiltLinkerProperties); ok {
if len(prebuiltLinkerProperties.Srcs) > 1 {
ctx.ModuleErrorf("Bp2BuildParsePrebuiltLibraryProps: Expected at most once source file for os_arch %s_%s\n", os.Name, arch.Name)
}
if len(prebuiltLinkerProperties.Srcs) == 1 {
srcLabelAttribute.SetOsArchValueForTarget(os.Name, arch.Name, android.BazelLabelForModuleSrcSingle(ctx, prebuiltLinkerProperties.Srcs[0]))
}
}
}
}
return prebuiltAttributes{
Src: srcLabelAttribute,
}
}
// Convenience struct to hold all attributes parsed from compiler properties.
type compilerAttributes struct {
// Options for all languages
@@ -633,11 +693,20 @@ func bp2BuildMakePathsRelativeToModule(ctx android.BazelConversionPathContext, p
return relativePaths
}
// bp2BuildParseExportedIncludes creates a string list attribute contains the
// exported included directories of a module.
func bp2BuildParseExportedIncludes(ctx android.TopDownMutatorContext, module *Module) bazel.StringListAttribute {
libraryDecorator := module.linker.(*libraryDecorator)
return bp2BuildParseExportedIncludesHelper(ctx, module, libraryDecorator)
}
func Bp2BuildParseExportedIncludesForPrebuiltLibrary(ctx android.TopDownMutatorContext, module *Module) bazel.StringListAttribute {
prebuiltLibraryLinker := module.linker.(*prebuiltLibraryLinker)
libraryDecorator := prebuiltLibraryLinker.libraryDecorator
return bp2BuildParseExportedIncludesHelper(ctx, module, libraryDecorator)
}
// bp2BuildParseExportedIncludes creates a string list attribute contains the
// exported included directories of a module.
func bp2BuildParseExportedIncludesHelper(ctx android.TopDownMutatorContext, module *Module, libraryDecorator *libraryDecorator) bazel.StringListAttribute {
// Export_system_include_dirs and export_include_dirs are already module dir
// relative, so they don't need to be relativized like include_dirs, which
// are root-relative.