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Merge changes from topic "stub-impl-per-api-domain"

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* changes:
  Special case platform variant of bootstrap libs
  Select stub/impl per apex variant
  For test apexes, base_apex_name is the api domain
  Broaden the granularity of config_setting from apex_name to api_domain
  Print default val if all vals in axis match default val
This commit is contained in:
Spandan Das 2023-05-11 00:13:44 +00:00 committed by Gerrit Code Review
commit 494fca1328
10 changed files with 280 additions and 94 deletions
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2
apex/apex.go
View file

@ -3700,6 +3700,8 @@ func convertWithBp2build(a *apexBundle, ctx android.TopDownMutatorContext) (baze
commonAttrs := android.CommonAttributes{}
if a.testApex {
commonAttrs.Testonly = proptools.BoolPtr(true)
// Set the api_domain of the test apex
attrs.Base_apex_name = proptools.StringPtr(cc.GetApiDomain(a.Name()))
}
return attrs, props, commonAttrs

6
bazel/configurability.go
View file

@ -69,8 +69,8 @@ const (
productVariableBazelPackage = "//build/bazel/product_variables"
AndroidAndInApex = "android-in_apex"
AndroidAndNonApex = "android-non_apex"
AndroidAndInApex = "android-in_apex"
AndroidPlatform = "system"
InApex = "in_apex"
NonApex = "non_apex"
@ -202,7 +202,7 @@ var (
osAndInApexMap = map[string]string{
AndroidAndInApex: "//build/bazel/rules/apex:android-in_apex",
AndroidAndNonApex: "//build/bazel/rules/apex:android-non_apex",
AndroidPlatform: "//build/bazel/rules/apex:system",
osDarwin: "//build/bazel/platforms/os:darwin",
osLinux: "//build/bazel/platforms/os:linux_glibc",
osLinuxMusl: "//build/bazel/platforms/os:linux_musl",

2
bazel/properties.go
View file

@ -1434,4 +1434,6 @@ type StringMapAttribute map[string]string
type ConfigSettingAttributes struct {
// Each key in Flag_values is a label to a custom string_setting
Flag_values StringMapAttribute
// Each element in Constraint_values is a label to a constraint_value
Constraint_values LabelListAttribute
}

9
bp2build/apex_conversion_test.go
View file

@ -1475,10 +1475,11 @@ apex_test {
`,
ExpectedBazelTargets: []string{
MakeBazelTarget("apex", "test_com.android.apogee", AttrNameToString{
"file_contexts": `"file_contexts_file"`,
"manifest": `"apex_manifest.json"`,
"testonly": `True`,
"tests": `[":cc_test_1"]`,
"file_contexts": `"file_contexts_file"`,
"base_apex_name": `"com.android.apogee"`,
"manifest": `"apex_manifest.json"`,
"testonly": `True`,
"tests": `[":cc_test_1"]`,
}),
}})
}

15
bp2build/build_conversion_test.go
View file

@ -21,6 +21,7 @@ import (
"android/soong/android"
"android/soong/android/allowlists"
"android/soong/bazel"
"android/soong/python"
)
@ -1931,3 +1932,17 @@ func TestGenerateConfigSetting(t *testing.T) {
Description: "Generating API contribution Bazel targets for custom module",
})
}
// If values of all keys in an axis are equal to //conditions:default, drop the axis and print the common value
func TestPrettyPrintSelectMapEqualValues(t *testing.T) {
lla := bazel.LabelListAttribute{
Value: bazel.LabelList{},
}
libFooImplLabel := bazel.Label{
Label: ":libfoo.impl",
}
lla.SetSelectValue(bazel.OsAndInApexAxis, bazel.AndroidPlatform, bazel.MakeLabelList([]bazel.Label{libFooImplLabel}))
lla.SetSelectValue(bazel.OsAndInApexAxis, bazel.ConditionsDefaultConfigKey, bazel.MakeLabelList([]bazel.Label{libFooImplLabel}))
actual, _ := prettyPrintAttribute(lla, 0)
android.AssertStringEquals(t, "Print the common value if all keys in an axis have the same value", `[":libfoo.impl"]`, actual)
}

46
bp2build/cc_library_conversion_test.go
View file

@ -3042,7 +3042,8 @@ cc_library {
}`,
ExpectedBazelTargets: makeCcLibraryTargets("foolib", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:barlib"],
"//build/bazel/rules/apex:foo": ["@api_surfaces//module-libapi/current:barlib"],
"//build/bazel/rules/apex:system": ["@api_surfaces//module-libapi/current:barlib"],
"//conditions:default": [":barlib"],
})`,
"local_includes": `["."]`,
@ -3096,7 +3097,11 @@ cc_library {
"//build/bazel/platforms/os:linux_glibc": [":quxlib"],
"//build/bazel/platforms/os:linux_musl": [":quxlib"],
"//build/bazel/platforms/os:windows": [":quxlib"],
"//build/bazel/rules/apex:android-in_apex": [
"//build/bazel/rules/apex:foo": [
"@api_surfaces//module-libapi/current:barlib",
"@api_surfaces//module-libapi/current:quxlib",
],
"//build/bazel/rules/apex:system": [
"@api_surfaces//module-libapi/current:barlib",
"@api_surfaces//module-libapi/current:quxlib",
],
@ -4139,44 +4144,34 @@ cc_library {
name: "barlib",
stubs: { symbol_file: "bar.map.txt", versions: ["28", "29", "current"] },
bazel_module: { bp2build_available: false },
apex_available: ["//apex_available:platform",],
}
cc_library {
name: "bazlib",
stubs: { symbol_file: "bar.map.txt", versions: ["28", "29", "current"] },
bazel_module: { bp2build_available: false },
apex_available: ["//apex_available:platform",],
}
cc_library {
name: "foo",
shared_libs: ["barlib", "bazlib"],
export_shared_lib_headers: ["bazlib"],
apex_available: [
"apex_available:platform",
"//apex_available:platform",
],
}`,
ExpectedBazelTargets: []string{
MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:barlib"],
"//conditions:default": [":barlib"],
})`,
"dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:bazlib"],
"//conditions:default": [":bazlib"],
})`,
"local_includes": `["."]`,
"tags": `["apex_available=apex_available:platform"]`,
"implementation_dynamic_deps": `[":barlib"]`,
"dynamic_deps": `[":bazlib"]`,
"local_includes": `["."]`,
"tags": `["apex_available=//apex_available:platform"]`,
}),
MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:barlib"],
"//conditions:default": [":barlib"],
})`,
"dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:bazlib"],
"//conditions:default": [":bazlib"],
})`,
"local_includes": `["."]`,
"tags": `["apex_available=apex_available:platform"]`,
"implementation_dynamic_deps": `[":barlib"]`,
"dynamic_deps": `[":bazlib"]`,
"local_includes": `["."]`,
"tags": `["apex_available=//apex_available:platform"]`,
}),
},
})
@ -4473,11 +4468,12 @@ cc_library {
ExpectedBazelTargets: []string{
MakeBazelTargetNoRestrictions(
"config_setting",
"android-in_myapex",
"myapex",
AttrNameToString{
"flag_values": `{
"//build/bazel/rules/apex:apex_name": "myapex",
"//build/bazel/rules/apex:api_domain": "myapex",
}`,
"constraint_values": `["//build/bazel/platforms/os:android"]`,
},
),
},

94
bp2build/cc_library_shared_conversion_test.go
View file

@ -609,7 +609,8 @@ cc_library_shared {
ExpectedBazelTargets: []string{
MakeBazelTarget("cc_library_shared", "b", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:a"],
"//build/bazel/rules/apex:apex_b": ["@api_surfaces//module-libapi/current:a"],
"//build/bazel/rules/apex:system": ["@api_surfaces//module-libapi/current:a"],
"//conditions:default": [":a"],
})`,
"tags": `["apex_available=apex_b"]`,
@ -618,6 +619,64 @@ cc_library_shared {
})
}
// Tests that library in apexfoo links against stubs of platform_lib and otherapex_lib
func TestCcLibrarySharedStubs_UseStubsFromMultipleApiDomains(t *testing.T) {
runCcLibrarySharedTestCase(t, Bp2buildTestCase{
Description: "cc_library_shared stubs",
ModuleTypeUnderTest: "cc_library_shared",
ModuleTypeUnderTestFactory: cc.LibrarySharedFactory,
Blueprint: soongCcLibrarySharedPreamble + `
cc_library_shared {
name: "libplatform_stable",
stubs: { symbol_file: "libplatform_stable.map.txt", versions: ["28", "29", "current"] },
apex_available: ["//apex_available:platform"],
bazel_module: { bp2build_available: false },
include_build_directory: false,
}
cc_library_shared {
name: "libapexfoo_stable",
stubs: { symbol_file: "libapexfoo_stable.map.txt", versions: ["28", "29", "current"] },
apex_available: ["apexfoo"],
bazel_module: { bp2build_available: false },
include_build_directory: false,
}
cc_library_shared {
name: "libutils",
shared_libs: ["libplatform_stable", "libapexfoo_stable",],
apex_available: ["//apex_available:platform", "apexfoo", "apexbar"],
include_build_directory: false,
}
`,
ExpectedBazelTargets: []string{
MakeBazelTarget("cc_library_shared", "libutils", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:apexbar": [
"@api_surfaces//module-libapi/current:libplatform_stable",
"@api_surfaces//module-libapi/current:libapexfoo_stable",
],
"//build/bazel/rules/apex:apexfoo": [
"@api_surfaces//module-libapi/current:libplatform_stable",
":libapexfoo_stable",
],
"//build/bazel/rules/apex:system": [
"@api_surfaces//module-libapi/current:libplatform_stable",
"@api_surfaces//module-libapi/current:libapexfoo_stable",
],
"//conditions:default": [
":libplatform_stable",
":libapexfoo_stable",
],
})`,
"tags": `[
"apex_available=//apex_available:platform",
"apex_available=apexfoo",
"apex_available=apexbar",
]`,
}),
},
})
}
func TestCcLibrarySharedStubs_IgnorePlatformAvailable(t *testing.T) {
runCcLibrarySharedTestCase(t, Bp2buildTestCase{
Description: "cc_library_shared stubs",
@ -641,7 +700,8 @@ cc_library_shared {
ExpectedBazelTargets: []string{
MakeBazelTarget("cc_library_shared", "b", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:a"],
"//build/bazel/rules/apex:apex_b": ["@api_surfaces//module-libapi/current:a"],
"//build/bazel/rules/apex:system": ["@api_surfaces//module-libapi/current:a"],
"//conditions:default": [":a"],
})`,
"tags": `[
@ -653,6 +713,34 @@ cc_library_shared {
})
}
func TestCcLibraryDoesNotDropStubDepIfNoVariationAcrossAxis(t *testing.T) {
runCcLibrarySharedTestCase(t, Bp2buildTestCase{
Description: "cc_library depeends on impl for all configurations",
ModuleTypeUnderTest: "cc_library_shared",
ModuleTypeUnderTestFactory: cc.LibrarySharedFactory,
Blueprint: soongCcLibrarySharedPreamble + `
cc_library_shared {
name: "a",
stubs: { symbol_file: "a.map.txt", versions: ["28", "29", "current"] },
bazel_module: { bp2build_available: false },
apex_available: ["//apex_available:platform"],
}
cc_library_shared {
name: "b",
shared_libs: [":a"],
include_build_directory: false,
apex_available: ["//apex_available:platform"],
}
`,
ExpectedBazelTargets: []string{
MakeBazelTarget("cc_library_shared", "b", AttrNameToString{
"implementation_dynamic_deps": `[":a"]`,
"tags": `["apex_available=//apex_available:platform"]`,
}),
},
})
}
func TestCcLibrarySharedStubs_MultipleApexAvailable(t *testing.T) {
runCcLibrarySharedTestCase(t, Bp2buildTestCase{
ModuleTypeUnderTest: "cc_library_shared",
@ -682,7 +770,7 @@ cc_library_shared {
ExpectedBazelTargets: []string{
MakeBazelTarget("cc_library_shared", "b", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:a"],
"//build/bazel/rules/apex:system": ["@api_surfaces//module-libapi/current:a"],
"//conditions:default": [":a"],
})`,
"tags": `[

4
bp2build/cc_library_static_conversion_test.go
View file

@ -1504,6 +1504,7 @@ cc_library {
versions: ["current"],
},
bazel_module: { bp2build_available: false },
apex_available: ["com.android.runtime"],
}
cc_library_static {
@ -1561,7 +1562,8 @@ cc_library_static {
}),
MakeBazelTarget("cc_library_static", "keep_with_stubs", AttrNameToString{
"implementation_dynamic_deps": `select({
"//build/bazel/rules/apex:android-in_apex": ["@api_surfaces//module-libapi/current:libm"],
"//build/bazel/rules/apex:foo": ["@api_surfaces//module-libapi/current:libm"],
"//build/bazel/rules/apex:system": ["@api_surfaces//module-libapi/current:libm"],
"//conditions:default": [":libm"],
})`,
"system_dynamic_deps": `[]`,

4
bp2build/configurability.go
View file

@ -279,6 +279,10 @@ func prettyPrintSelectMap(selectMap map[string]reflect.Value, defaultValue *stri
}
if len(selects) == 0 {
// If there is a default value, and there are no selects for this axis, print that without any selects.
if val, exists := selectMap[bazel.ConditionsDefaultSelectKey]; exists {
return prettyPrint(val, indent, emitZeroValues)
}
// No conditions (or all values are empty lists), so no need for a map.
return "", nil
}

192
cc/bp2build.go
View file

@ -1194,16 +1194,34 @@ func availableToSameApexes(a, b []string) bool {
}
var (
apexConfigSettingKey = android.NewOnceKey("apexConfigSetting")
apexConfigSettingLock sync.Mutex
apiDomainConfigSettingKey = android.NewOnceKey("apiDomainConfigSettingKey")
apiDomainConfigSettingLock sync.Mutex
)
func getApexConfigSettingMap(config android.Config) *map[string]bool {
return config.Once(apexConfigSettingKey, func() interface{} {
func getApiDomainConfigSettingMap(config android.Config) *map[string]bool {
return config.Once(apiDomainConfigSettingKey, func() interface{} {
return &map[string]bool{}
}).(*map[string]bool)
}
var (
testApexNameToApiDomain = map[string]string{
"test_broken_com.android.art": "com.android.art",
}
)
// GetApiDomain returns the canonical name of the apex. This is synonymous to the apex_name definition.
// https://cs.android.com/android/_/android/platform/build/soong/+/e3f0281b8897da1fe23b2f4f3a05f1dc87bcc902:apex/prebuilt.go;l=81-83;drc=2dc7244af985a6ad701b22f1271e606cabba527f;bpv=1;bpt=0
// For test apexes, it uses a naming convention heuristic to determine the api domain.
// TODO (b/281548611): Move this build/soong/android
func GetApiDomain(apexName string) string {
if apiDomain, exists := testApexNameToApiDomain[apexName]; exists {
return apiDomain
}
// Remove `test_` prefix
return strings.TrimPrefix(apexName, "test_")
}
// Create a config setting for this apex in build/bazel/rules/apex
// The use case for this is stub/impl selection in cc libraries
// Long term, these config_setting(s) should be colocated with the respective apex definitions.
@ -1215,23 +1233,32 @@ func createInApexConfigSetting(ctx android.TopDownMutatorContext, apexName strin
// These correspond to android-non_apex and android-in_apex
return
}
apexConfigSettingLock.Lock()
defer apexConfigSettingLock.Unlock()
apiDomainConfigSettingLock.Lock()
defer apiDomainConfigSettingLock.Unlock()
// Return if a config_setting has already been created
acsm := getApexConfigSettingMap(ctx.Config())
if _, exists := (*acsm)[apexName]; exists {
apiDomain := GetApiDomain(apexName)
acsm := getApiDomainConfigSettingMap(ctx.Config())
if _, exists := (*acsm)[apiDomain]; exists {
return
}
(*acsm)[apexName] = true
(*acsm)[apiDomain] = true
csa := bazel.ConfigSettingAttributes{
Flag_values: bazel.StringMapAttribute{
"//build/bazel/rules/apex:apex_name": apexName,
"//build/bazel/rules/apex:api_domain": apiDomain,
},
// Constraint this to android
Constraint_values: bazel.MakeLabelListAttribute(
bazel.MakeLabelList(
[]bazel.Label{
bazel.Label{Label: "//build/bazel/platforms/os:android"},
},
),
),
}
ca := android.CommonAttributes{
Name: "android-in_" + apexName,
Name: apiDomain,
}
ctx.CreateBazelConfigSetting(
csa,
@ -1242,66 +1269,111 @@ func createInApexConfigSetting(ctx android.TopDownMutatorContext, apexName strin
func inApexConfigSetting(apexAvailable string) string {
if apexAvailable == android.AvailableToPlatform {
return bazel.AndroidAndNonApex
return bazel.AndroidPlatform
}
if apexAvailable == android.AvailableToAnyApex {
return bazel.AndroidAndInApex
}
return "//build/bazel/rules/apex:android-in_" + apexAvailable
apiDomain := GetApiDomain(apexAvailable)
return "//build/bazel/rules/apex:" + apiDomain
}
// Inputs to stub vs impl selection.
type stubSelectionInfo struct {
// Label of the implementation library (e.g. //bionic/libc:libc)
impl bazel.Label
// Axis containing the implementation library
axis bazel.ConfigurationAxis
// Axis key containing the implementation library
config string
// API domain of the apex
// For test apexes (test_com.android.foo), this will be the source apex (com.android.foo)
apiDomain string
// List of dep labels
dynamicDeps *bazel.LabelListAttribute
// Boolean value for determining if the dep is in the same api domain
// If false, the label will be rewritten to to the stub label
sameApiDomain bool
}
func useStubOrImplInApexWithName(ssi stubSelectionInfo) {
lib := ssi.impl
if !ssi.sameApiDomain {
lib = bazel.Label{
Label: apiSurfaceModuleLibCurrentPackage + strings.TrimPrefix(lib.OriginalModuleName, ":"),
}
}
// Create a select statement specific to this apex
inApexSelectValue := ssi.dynamicDeps.SelectValue(bazel.OsAndInApexAxis, inApexConfigSetting(ssi.apiDomain))
(&inApexSelectValue).Append(bazel.MakeLabelList([]bazel.Label{lib}))
ssi.dynamicDeps.SetSelectValue(bazel.OsAndInApexAxis, inApexConfigSetting(ssi.apiDomain), bazel.FirstUniqueBazelLabelList(inApexSelectValue))
// Delete the library from the common config for this apex
implDynamicDeps := ssi.dynamicDeps.SelectValue(ssi.axis, ssi.config)
implDynamicDeps = bazel.SubtractBazelLabelList(implDynamicDeps, bazel.MakeLabelList([]bazel.Label{ssi.impl}))
ssi.dynamicDeps.SetSelectValue(ssi.axis, ssi.config, implDynamicDeps)
if ssi.axis == bazel.NoConfigAxis {
// Set defaults. Defaults (i.e. host) should use impl and not stubs.
defaultSelectValue := ssi.dynamicDeps.SelectValue(bazel.OsAndInApexAxis, bazel.ConditionsDefaultConfigKey)
(&defaultSelectValue).Append(bazel.MakeLabelList([]bazel.Label{ssi.impl}))
ssi.dynamicDeps.SetSelectValue(bazel.OsAndInApexAxis, bazel.ConditionsDefaultConfigKey, bazel.FirstUniqueBazelLabelList(defaultSelectValue))
}
}
func setStubsForDynamicDeps(ctx android.BazelConversionPathContext, axis bazel.ConfigurationAxis,
config string, apexAvailable []string, dynamicLibs bazel.LabelList, dynamicDeps *bazel.LabelListAttribute, ind int, buildNonApexWithStubs bool) {
depsWithStubs := []bazel.Label{}
for _, l := range dynamicLibs.Includes {
dep, _ := ctx.ModuleFromName(l.OriginalModuleName)
if d, ok := dep.(*Module); ok && d.HasStubsVariants() {
depApexAvailable := d.ApexAvailable()
if !availableToSameApexes(apexAvailable, depApexAvailable) {
depsWithStubs = append(depsWithStubs, l)
}
}
}
if len(depsWithStubs) > 0 {
implDynamicDeps := bazel.SubtractBazelLabelList(dynamicLibs, bazel.MakeLabelList(depsWithStubs))
dynamicDeps.SetSelectValue(axis, config, implDynamicDeps)
stubLibLabels := []bazel.Label{}
for _, l := range depsWithStubs {
stubLabelInApiSurfaces := bazel.Label{
Label: apiSurfaceModuleLibCurrentPackage + strings.TrimPrefix(l.OriginalModuleName, ":"),
}
stubLibLabels = append(stubLibLabels, stubLabelInApiSurfaces)
}
inApexSelectValue := dynamicDeps.SelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndInApex)
nonApexSelectValue := dynamicDeps.SelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndNonApex)
defaultSelectValue := dynamicDeps.SelectValue(bazel.OsAndInApexAxis, bazel.ConditionsDefaultConfigKey)
nonApexDeps := depsWithStubs
if buildNonApexWithStubs {
nonApexDeps = stubLibLabels
}
if axis == bazel.NoConfigAxis {
(&inApexSelectValue).Append(bazel.MakeLabelList(stubLibLabels))
(&nonApexSelectValue).Append(bazel.MakeLabelList(nonApexDeps))
(&defaultSelectValue).Append(bazel.MakeLabelList(depsWithStubs))
dynamicDeps.SetSelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndInApex, bazel.FirstUniqueBazelLabelList(inApexSelectValue))
dynamicDeps.SetSelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndNonApex, bazel.FirstUniqueBazelLabelList(nonApexSelectValue))
dynamicDeps.SetSelectValue(bazel.OsAndInApexAxis, bazel.ConditionsDefaultConfigKey, bazel.FirstUniqueBazelLabelList(defaultSelectValue))
} else if config == bazel.OsAndroid {
(&inApexSelectValue).Append(bazel.MakeLabelList(stubLibLabels))
(&nonApexSelectValue).Append(bazel.MakeLabelList(nonApexDeps))
dynamicDeps.SetSelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndInApex, bazel.FirstUniqueBazelLabelList(inApexSelectValue))
dynamicDeps.SetSelectValue(bazel.OsAndInApexAxis, bazel.AndroidAndNonApex, bazel.FirstUniqueBazelLabelList(nonApexSelectValue))
}
}
// Create a config_setting for each apex_available.
// This will be used to select impl of a dep if dep is available to the same apex.
for _, aa := range apexAvailable {
createInApexConfigSetting(ctx.(android.TopDownMutatorContext), aa)
}
apiDomainForSelects := []string{}
for _, apex := range apexAvailable {
apiDomainForSelects = append(apiDomainForSelects, GetApiDomain(apex))
}
// Always emit a select statement for the platform variant.
// This ensures that b build //foo --config=android works
// Soong always creates a platform variant even when the library might not be available to platform.
if !android.InList(android.AvailableToPlatform, apiDomainForSelects) {
apiDomainForSelects = append(apiDomainForSelects, android.AvailableToPlatform)
}
apiDomainForSelects = android.SortedUniqueStrings(apiDomainForSelects)
// Create a select for each apex this library could be included in.
for _, l := range dynamicLibs.Includes {
dep, _ := ctx.ModuleFromName(l.OriginalModuleName)
if c, ok := dep.(*Module); !ok || !c.HasStubsVariants() {
continue
}
// TODO (b/280339069): Decrease the verbosity of the generated BUILD files
for _, apiDomain := range apiDomainForSelects {
var sameApiDomain bool
if apiDomain == android.AvailableToPlatform {
// Platform variants in Soong use equality of apex_available for stub/impl selection.
// https://cs.android.com/android/_/android/platform/build/soong/+/316b0158fe57ee7764235923e7c6f3d530da39c6:cc/cc.go;l=3393-3404;drc=176271a426496fa2688efe2b40d5c74340c63375;bpv=1;bpt=0
// One of the factors behind this design choice is cc_test
// Tests only have a platform variant, and using equality of apex_available ensures
// that tests of an apex library gets its implementation and not stubs.
// TODO (b/280343104): Discuss if we can drop this special handling for platform variants.
sameApiDomain = availableToSameApexes(apexAvailable, dep.(*Module).ApexAvailable())
if linkable, ok := ctx.Module().(LinkableInterface); ok && linkable.Bootstrap() {
sameApiDomain = true
}
} else {
sameApiDomain = android.InList(apiDomain, dep.(*Module).ApexAvailable())
}
ssi := stubSelectionInfo{
impl: l,
axis: axis,
config: config,
apiDomain: apiDomain,
dynamicDeps: dynamicDeps,
sameApiDomain: sameApiDomain,
}
useStubOrImplInApexWithName(ssi)
}
}
}
func (la *linkerAttributes) convertStripProps(ctx android.BazelConversionPathContext, module *Module) {
@ -1396,7 +1468,6 @@ func (la *linkerAttributes) finalize(ctx android.BazelConversionPathContext) {
la.implementationDynamicDeps.Exclude(bazel.OsConfigurationAxis, "linux_bionic", toRemove)
la.implementationDynamicDeps.Exclude(bazel.OsAndInApexAxis, bazel.ConditionsDefaultConfigKey, toRemove)
la.implementationDynamicDeps.Exclude(bazel.OsAndInApexAxis, bazel.AndroidAndNonApex, toRemove)
stubsToRemove := make([]bazel.Label, 0, len(la.usedSystemDynamicDepAsDynamicDep))
for _, lib := range toRemove.Includes {
stubLabelInApiSurfaces := bazel.Label{
@ -1404,7 +1475,12 @@ func (la *linkerAttributes) finalize(ctx android.BazelConversionPathContext) {
}
stubsToRemove = append(stubsToRemove, stubLabelInApiSurfaces)
}
la.implementationDynamicDeps.Exclude(bazel.OsAndInApexAxis, bazel.AndroidAndInApex, bazel.MakeLabelList(stubsToRemove))
// system libraries (e.g. libc, libm, libdl) belong the com.android.runtime api domain
// dedupe the stubs of these libraries from the other api domains (platform, other_apexes...)
for _, aa := range ctx.Module().(*Module).ApexAvailable() {
la.implementationDynamicDeps.Exclude(bazel.OsAndInApexAxis, inApexConfigSetting(aa), bazel.MakeLabelList(stubsToRemove))
}
la.implementationDynamicDeps.Exclude(bazel.OsAndInApexAxis, bazel.AndroidPlatform, bazel.MakeLabelList(stubsToRemove))
}
la.deps.ResolveExcludes()