Handle excludes_{shared,static}_libs
Bug: 188497994
Test: bp2build.sh
Change-Id: I4a5ea40cbd804e8542fe33143e4926abc0c6164f
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 1de45ba..752d43b 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -112,6 +112,30 @@
}
}
+ // product variables only support a limited set of fields, this is the full list of field names
+ // related to cc module dependency management that are supported.
+ productVariableDepFields := [4]string{
+ "Shared_libs",
+ "Static_libs",
+ "Exclude_static_libs",
+ "Whole_static_libs",
+ }
+
+ productVariableProps := android.ProductVariableProperties(ctx)
+ for _, name := range productVariableDepFields {
+ props, exists := productVariableProps[name]
+ if !exists {
+ continue
+ }
+ for _, prop := range props {
+ if p, ok := prop.Property.([]string); !ok {
+ ctx.ModuleErrorf("Could not convert product variable %s property", name)
+ } else {
+ allDeps = append(allDeps, p...)
+ }
+ }
+ }
+
ctx.AddDependency(module, nil, android.SortedUniqueStrings(allDeps)...)
}
@@ -441,7 +465,7 @@
ctx.ModuleErrorf("Could not convert product variable %s property", proptools.PropertyNameForField(propName))
}
newFlags, _ := bazel.TryVariableSubstitutions(flags, prop.ProductConfigVariable)
- attr.SetSelectValue(bazel.ProductVariableConfigurationAxis(prop.ProductConfigVariable), prop.ProductConfigVariable, newFlags)
+ attr.SetSelectValue(bazel.ProductVariableConfigurationAxis(prop.FullConfig), prop.FullConfig, newFlags)
}
}
}
@@ -481,37 +505,37 @@
// bp2BuildParseLinkerProps parses the linker properties of a module, including
// configurable attribute values.
func bp2BuildParseLinkerProps(ctx android.TopDownMutatorContext, module *Module) linkerAttributes {
- var deps bazel.LabelListAttribute
+ var headerDeps bazel.LabelListAttribute
+ var staticDeps bazel.LabelListAttribute
var exportedDeps bazel.LabelListAttribute
var dynamicDeps bazel.LabelListAttribute
var wholeArchiveDeps bazel.LabelListAttribute
var linkopts bazel.StringListAttribute
var versionScript bazel.LabelAttribute
- getLibs := func(baseLinkerProps *BaseLinkerProperties) []string {
- libs := baseLinkerProps.Header_libs
- libs = append(libs, baseLinkerProps.Static_libs...)
- libs = android.SortedUniqueStrings(libs)
- return libs
- }
-
for _, linkerProps := range module.linker.linkerProps() {
if baseLinkerProps, ok := linkerProps.(*BaseLinkerProperties); ok {
- libs := getLibs(baseLinkerProps)
- exportedLibs := baseLinkerProps.Export_header_lib_headers
- wholeArchiveLibs := baseLinkerProps.Whole_static_libs
- deps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, libs))
- exportedDeps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, exportedLibs))
- linkopts.Value = getBp2BuildLinkerFlags(baseLinkerProps)
- wholeArchiveDeps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, wholeArchiveLibs))
+ // Excludes to parallel Soong:
+ // https://cs.android.com/android/platform/superproject/+/master:build/soong/cc/linker.go;l=247-249;drc=088b53577dde6e40085ffd737a1ae96ad82fc4b0
+ staticLibs := android.FirstUniqueStrings(baseLinkerProps.Static_libs)
+ staticDeps.Value = android.BazelLabelForModuleDepsExcludes(ctx, staticLibs, baseLinkerProps.Exclude_static_libs)
+ wholeArchiveLibs := android.FirstUniqueStrings(baseLinkerProps.Whole_static_libs)
+ wholeArchiveDeps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDepsExcludes(ctx, wholeArchiveLibs, baseLinkerProps.Exclude_static_libs))
+ sharedLibs := android.FirstUniqueStrings(baseLinkerProps.Shared_libs)
+ dynamicDeps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDepsExcludes(ctx, sharedLibs, baseLinkerProps.Exclude_shared_libs))
+ headerLibs := android.FirstUniqueStrings(baseLinkerProps.Header_libs)
+ headerDeps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, headerLibs))
+ // TODO(b/188796939): also handle export_static_lib_headers, export_shared_lib_headers,
+ // export_generated_headers
+ exportedLibs := android.FirstUniqueStrings(baseLinkerProps.Export_header_lib_headers)
+ exportedDeps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, exportedLibs))
+
+ linkopts.Value = getBp2BuildLinkerFlags(baseLinkerProps)
if baseLinkerProps.Version_script != nil {
versionScript.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *baseLinkerProps.Version_script))
}
- sharedLibs := baseLinkerProps.Shared_libs
- dynamicDeps = bazel.MakeLabelListAttribute(android.BazelLabelForModuleDeps(ctx, sharedLibs))
-
break
}
}
@@ -519,26 +543,83 @@
for axis, configToProps := range module.GetArchVariantProperties(ctx, &BaseLinkerProperties{}) {
for config, props := range configToProps {
if baseLinkerProps, ok := props.(*BaseLinkerProperties); ok {
- libs := getLibs(baseLinkerProps)
- exportedLibs := baseLinkerProps.Export_header_lib_headers
- wholeArchiveLibs := baseLinkerProps.Whole_static_libs
- deps.SetSelectValue(axis, config, android.BazelLabelForModuleDeps(ctx, libs))
- exportedDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDeps(ctx, exportedLibs))
- linkopts.SetSelectValue(axis, config, getBp2BuildLinkerFlags(baseLinkerProps))
- wholeArchiveDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDeps(ctx, wholeArchiveLibs))
+ staticLibs := android.FirstUniqueStrings(baseLinkerProps.Static_libs)
+ staticDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDepsExcludes(ctx, staticLibs, baseLinkerProps.Exclude_static_libs))
+ wholeArchiveLibs := android.FirstUniqueStrings(baseLinkerProps.Whole_static_libs)
+ wholeArchiveDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDepsExcludes(ctx, wholeArchiveLibs, baseLinkerProps.Exclude_static_libs))
+ sharedLibs := android.FirstUniqueStrings(baseLinkerProps.Shared_libs)
+ dynamicDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDepsExcludes(ctx, sharedLibs, baseLinkerProps.Exclude_shared_libs))
+ headerLibs := android.FirstUniqueStrings(baseLinkerProps.Header_libs)
+ headerDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDeps(ctx, headerLibs))
+ exportedLibs := android.FirstUniqueStrings(baseLinkerProps.Export_header_lib_headers)
+ exportedDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDeps(ctx, exportedLibs))
+
+ linkopts.SetSelectValue(axis, config, getBp2BuildLinkerFlags(baseLinkerProps))
if baseLinkerProps.Version_script != nil {
versionScript.SetSelectValue(axis, config, android.BazelLabelForModuleSrcSingle(ctx, *baseLinkerProps.Version_script))
}
-
- sharedLibs := baseLinkerProps.Shared_libs
- dynamicDeps.SetSelectValue(axis, config, android.BazelLabelForModuleDeps(ctx, sharedLibs))
}
}
}
+ type productVarDep struct {
+ // the name of the corresponding excludes field, if one exists
+ excludesField string
+ // reference to the bazel attribute that should be set for the given product variable config
+ attribute *bazel.LabelListAttribute
+ }
+
+ productVarToDepFields := map[string]productVarDep{
+ // product variables do not support exclude_shared_libs
+ "Shared_libs": productVarDep{attribute: &dynamicDeps},
+ "Static_libs": productVarDep{"Exclude_static_libs", &staticDeps},
+ "Whole_static_libs": productVarDep{"Exclude_static_libs", &wholeArchiveDeps},
+ }
+
+ productVariableProps := android.ProductVariableProperties(ctx)
+ for name, dep := range productVarToDepFields {
+ props, exists := productVariableProps[name]
+ excludeProps, excludesExists := productVariableProps[dep.excludesField]
+ // if neither an include or excludes property exists, then skip it
+ if !exists && !excludesExists {
+ continue
+ }
+ // collect all the configurations that an include or exclude property exists for.
+ // we want to iterate all configurations rather than either the include or exclude because for a
+ // particular configuration we may have only and include or only an exclude to handle
+ configs := make(map[string]bool, len(props)+len(excludeProps))
+ for config := range props {
+ configs[config] = true
+ }
+ for config := range excludeProps {
+ configs[config] = true
+ }
+
+ for config := range configs {
+ prop, includesExists := props[config]
+ excludesProp, excludesExists := excludeProps[config]
+ var includes, excludes []string
+ var ok bool
+ // if there was no includes/excludes property, casting fails and that's expected
+ if includes, ok = prop.Property.([]string); includesExists && !ok {
+ ctx.ModuleErrorf("Could not convert product variable %s property", name)
+ }
+ if excludes, ok = excludesProp.Property.([]string); excludesExists && !ok {
+ ctx.ModuleErrorf("Could not convert product variable %s property", dep.excludesField)
+ }
+ dep.attribute.SetSelectValue(bazel.ProductVariableConfigurationAxis(config), config, android.BazelLabelForModuleDepsExcludes(ctx, android.FirstUniqueStrings(includes), excludes))
+ }
+ }
+
+ staticDeps.ResolveExcludes()
+ dynamicDeps.ResolveExcludes()
+ wholeArchiveDeps.ResolveExcludes()
+
+ headerDeps.Append(staticDeps)
+
return linkerAttributes{
- deps: deps,
+ deps: headerDeps,
exportedDeps: exportedDeps,
dynamicDeps: dynamicDeps,
wholeArchiveDeps: wholeArchiveDeps,