Merge "bp2build: handle system_shared_libs" (67d6ccec) · Commits · e / os / android_build_soong

android/bazel.go

+3 −8

Original line number	Diff line number	Diff line
		@@ -204,16 +204,11 @@ var (
		"libBionicBenchmarksUtils", // cc_library_static, fatal error: 'map' file not found, from libcxx
		"fmtlib", // cc_library_static, fatal error: 'cassert' file not found, from libcxx
		"fmtlib_ndk", // cc_library_static, fatal error: 'cassert' file not found
		"liblog", // http://b/186822772: cc_library, 'sys/cdefs.h' file not found
		"libbase", // Requires liblog. http://b/186826479, cc_library, fatal error: 'memory' file not found, from libcxx.
		// Also depends on fmtlib.

		// http://b/186024507: Includes errors because of the system_shared_libs default value.
		// Missing -isystem bionic/libc/include through the libc/libm/libdl
		// default dependencies if system_shared_libs is unset.
		"liblog", // http://b/186822772: cc_library, 'sys/cdefs.h' file not found
		"libjemalloc5_jet", // cc_library, 'sys/cdefs.h' file not found
		"libseccomp_policy", // http://b/186476753: cc_library, 'linux/filter.h' not found
		"note_memtag_heap_async", // http://b/185127353: cc_library_static, error: feature.h not found
		"note_memtag_heap_sync", // http://b/185127353: cc_library_static, error: feature.h not found
		"libseccomp_policy", // depends on libbase

		"gwp_asan_crash_handler", // cc_library, ld.lld: error: undefined symbol: memset

android/bazel_paths.go

+5 −0

Original line number	Diff line number	Diff line
		@@ -115,6 +115,11 @@ func BazelLabelForModuleWholeDepsExcludes(ctx BazelConversionPathContext, module

		func bazelLabelForModuleDeps(ctx BazelConversionPathContext, modules []string, isWholeLibs bool) bazel.LabelList {
		var labels bazel.LabelList
		// In some cases, a nil string list is different than an explicitly empty list.
		if len(modules) == 0 && modules != nil {
		labels.Includes = []bazel.Label{}
		return labels
		}
		for _, module := range modules {
		bpText := module
		if m := SrcIsModule(module); m == "" {

bazel/configurability.go

+30 −30

Original line number	Diff line number	Diff line
		@@ -56,7 +56,7 @@ const (
		// This is consistently named "conditions_default" to mirror the Soong
		// config variable default key in an Android.bp file, although there's no
		// integration with Soong config variables (yet).
		conditionsDefault = "conditions_default"
		ConditionsDefaultConfigKey = "conditions_default"

		ConditionsDefaultSelectKey = "//conditions:default"

		@@ -76,7 +76,7 @@ var (
		archArm64: "//build/bazel/platforms/arch:arm64",
		archX86: "//build/bazel/platforms/arch:x86",
		archX86_64: "//build/bazel/platforms/arch:x86_64",
		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of as arch select map.
		ConditionsDefaultConfigKey: ConditionsDefaultSelectKey, // The default condition of as arch select map.
		}

		// A map of target operating systems to the Bazel label of the
		@@ -88,12 +88,12 @@ var (
		osLinuxMusl: "//build/bazel/platforms/os:linux_musl",
		osLinuxBionic: "//build/bazel/platforms/os:linux_bionic",
		osWindows: "//build/bazel/platforms/os:windows",
		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of an os select map.
		ConditionsDefaultConfigKey: ConditionsDefaultSelectKey, // The default condition of an os select map.
		}

		platformBionicMap = map[string]string{
		"bionic": "//build/bazel/platforms/os:bionic",
		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of an os select map.
		ConditionsDefaultConfigKey: ConditionsDefaultSelectKey, // The default condition of an os select map.
		}

		platformOsArchMap = map[string]string{
		@@ -110,7 +110,7 @@ var (
		osArchLinuxBionicX86_64: "//build/bazel/platforms/os_arch:linux_bionic_x86_64",
		osArchWindowsX86: "//build/bazel/platforms/os_arch:windows_x86",
		osArchWindowsX86_64: "//build/bazel/platforms/os_arch:windows_x86_64",
		conditionsDefault: ConditionsDefaultSelectKey, // The default condition of an os select map.
		ConditionsDefaultConfigKey: ConditionsDefaultSelectKey, // The default condition of an os select map.
		}
		)

		@@ -181,7 +181,7 @@ func (ct configurationType) SelectKey(config string) string {
		case bionic:
		return platformBionicMap[config]
		case productVariables:
		if config == conditionsDefault {
		if config == ConditionsDefaultConfigKey {
		return ConditionsDefaultSelectKey
		}
		return fmt.Sprintf("%s:%s", productVariableBazelPackage, strings.ToLower(config))

bazel/properties.go

+29 −2

Original line number	Diff line number	Diff line
		@@ -69,6 +69,23 @@ type LabelList struct {
		Excludes []Label
		}

		func (ll *LabelList) Equals(other LabelList) bool {
		if len(ll.Includes) != len(other.Includes) \|\| len(ll.Excludes) != len(other.Excludes) {
		return false
		}
		for i, _ := range ll.Includes {
		if ll.Includes[i] != other.Includes[i] {
		return false
		}
		}
		for i, _ := range ll.Excludes {
		if ll.Excludes[i] != other.Excludes[i] {
		return false
		}
		}
		return true
		}

		func (ll *LabelList) IsNil() bool {
		return ll.Includes == nil && ll.Excludes == nil
		}
		@@ -446,7 +463,7 @@ func (ll labelListSelectValues) appendSelects(other labelListSelectValues) {
		// HasConfigurableValues returns whether there are configurable values within this set of selects.
		func (ll labelListSelectValues) HasConfigurableValues() bool {
		for _, v := range ll {
		if len(v.Includes) > 0 {
		if v.Includes != nil {
		return true
		}
		}
		@@ -462,6 +479,13 @@ type LabelListAttribute struct {
		// The configured attribute label list Values. Optional
		// a map of independent configurability axes
		ConfigurableValues configurableLabelLists

		// If true, differentiate between "nil" and "empty" list. nil means that
		// this attribute should not be specified at all, and "empty" means that
		// the attribute should be explicitly specified as an empty list.
		// This mode facilitates use of attribute defaults: an empty list should
		// override the default.
		ForceSpecifyEmptyList bool
		}

		type configurableLabelLists map[ConfigurationAxis]labelListSelectValues
		@@ -546,6 +570,9 @@ func (lla *LabelListAttribute) SortedConfigurationAxes() []ConfigurationAxis {
		// Append all values, including os and arch specific ones, from another
		// LabelListAttribute to this LabelListAttribute.
		func (lla *LabelListAttribute) Append(other LabelListAttribute) {
		if lla.ForceSpecifyEmptyList && !other.Value.IsNil() {
		lla.Value.Includes = []Label{}
		}
		lla.Value.Append(other.Value)
		if lla.ConfigurableValues == nil {
		lla.ConfigurableValues = make(configurableLabelLists)
		@@ -595,7 +622,7 @@ func (lla *LabelListAttribute) ResolveExcludes() {

		// Now that the Value list is finalized for this axis, compare it with the original
		// list, and put the difference into the default condition for the axis.
		lla.ConfigurableValues[axis][conditionsDefault] = SubtractBazelLabelList(baseLabels, lla.Value)
		lla.ConfigurableValues[axis][ConditionsDefaultConfigKey] = SubtractBazelLabelList(baseLabels, lla.Value)

		// if everything ends up without includes, just delete the axis
		if !lla.ConfigurableValues[axis].HasConfigurableValues() {

bp2build/cc_library_conversion_test.go

+210 −0

Original line number	Diff line number	Diff line
		@@ -1454,3 +1454,213 @@ cc_library {
		)`},
		})
		}

		func TestCcLibrary_SystemSharedLibsRootEmpty(t *testing.T) {
		runCcLibraryTestCase(t, bp2buildTestCase{
		description: "cc_library system_shared_libs empty at root",
		moduleTypeUnderTest: "cc_library",
		moduleTypeUnderTestFactory: cc.LibraryFactory,
		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
		blueprint: soongCcLibraryPreamble + `
		cc_library {
		name: "root_empty",
		system_shared_libs: [],
		}
		`,
		expectedBazelTargets: []string{`cc_library(
		name = "root_empty",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		system_dynamic_deps = [],
		)`},
		})
		}

		func TestCcLibrary_SystemSharedLibsStaticEmpty(t *testing.T) {
		runCcLibraryTestCase(t, bp2buildTestCase{
		description: "cc_library system_shared_libs empty for static variant",
		moduleTypeUnderTest: "cc_library",
		moduleTypeUnderTestFactory: cc.LibraryFactory,
		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
		blueprint: soongCcLibraryPreamble + `
		cc_library {
		name: "static_empty",
		static: {
		system_shared_libs: [],
		},
		}
		`,
		expectedBazelTargets: []string{`cc_library(
		name = "static_empty",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		static = {
		"system_dynamic_deps": [],
		},
		)`},
		})
		}

		func TestCcLibrary_SystemSharedLibsSharedEmpty(t *testing.T) {
		runCcLibraryTestCase(t, bp2buildTestCase{
		description: "cc_library system_shared_libs empty for shared variant",
		moduleTypeUnderTest: "cc_library",
		moduleTypeUnderTestFactory: cc.LibraryFactory,
		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
		blueprint: soongCcLibraryPreamble + `
		cc_library {
		name: "shared_empty",
		shared: {
		system_shared_libs: [],
		},
		}
		`,
		expectedBazelTargets: []string{`cc_library(
		name = "shared_empty",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		shared = {
		"system_dynamic_deps": [],
		},
		)`},
		})
		}

		func TestCcLibrary_SystemSharedLibsSharedBionicEmpty(t *testing.T) {
		runCcLibraryTestCase(t, bp2buildTestCase{
		description: "cc_library system_shared_libs empty for shared, bionic variant",
		moduleTypeUnderTest: "cc_library",
		moduleTypeUnderTestFactory: cc.LibraryFactory,
		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
		blueprint: soongCcLibraryPreamble + `
		cc_library {
		name: "shared_empty",
		target: {
		bionic: {
		shared: {
		system_shared_libs: [],
		}
		}
		},
		}
		`,
		expectedBazelTargets: []string{`cc_library(
		name = "shared_empty",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		shared = {
		"system_dynamic_deps": [],
		},
		)`},
		})
		}

		func TestCcLibrary_SystemSharedLibsLinuxBionicEmpty(t *testing.T) {
		// Note that this behavior is technically incorrect (it's a simplification).
		// The correct behavior would be if bp2build wrote `system_dynamic_deps = []`
		// only for linux_bionic, but `android` had `["libc", "libdl", "libm"].
		// b/195791252 tracks the fix.
		runCcLibraryTestCase(t, bp2buildTestCase{
		description: "cc_library system_shared_libs empty for linux_bionic variant",
		moduleTypeUnderTest: "cc_library",
		moduleTypeUnderTestFactory: cc.LibraryFactory,
		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
		blueprint: soongCcLibraryPreamble + `
		cc_library {
		name: "target_linux_bionic_empty",
		target: {
		linux_bionic: {
		system_shared_libs: [],
		},
		},
		}
		`,
		expectedBazelTargets: []string{`cc_library(
		name = "target_linux_bionic_empty",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		system_dynamic_deps = [],
		)`},
		})
		}

		func TestCcLibrary_SystemSharedLibsBionicEmpty(t *testing.T) {
		runCcLibraryTestCase(t, bp2buildTestCase{
		description: "cc_library system_shared_libs empty for bionic variant",
		moduleTypeUnderTest: "cc_library",
		moduleTypeUnderTestFactory: cc.LibraryFactory,
		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
		blueprint: soongCcLibraryPreamble + `
		cc_library {
		name: "target_bionic_empty",
		target: {
		bionic: {
		system_shared_libs: [],
		},
		},
		}
		`,
		expectedBazelTargets: []string{`cc_library(
		name = "target_bionic_empty",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		system_dynamic_deps = [],
		)`},
		})
		}

		func TestCcLibrary_SystemSharedLibsSharedAndRoot(t *testing.T) {
		runCcLibraryTestCase(t, bp2buildTestCase{
		description: "cc_library system_shared_libs set for shared and root",
		moduleTypeUnderTest: "cc_library",
		moduleTypeUnderTestFactory: cc.LibraryFactory,
		moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryBp2Build,
		blueprint: soongCcLibraryPreamble + `
		cc_library {name: "libc"}
		cc_library {name: "libm"}

		cc_library {
		name: "foo",
		system_shared_libs: ["libc"],
		shared: {
		system_shared_libs: ["libm"],
		},
		}
		`,
		expectedBazelTargets: []string{`cc_library(
		name = "foo",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		shared = {
		"system_dynamic_deps": [":libm"],
		},
		system_dynamic_deps = [":libc"],
		)`, `cc_library(
		name = "libc",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		)`, `cc_library(
		name = "libm",
		copts = [
		"-I.",
		"-I$(BINDIR)/.",
		],
		)`},
		})
		}