Merge "Remove diff excludes for partition compatibility symlink files in SBOM integration test."
diff --git a/android/sdk_version.go b/android/sdk_version.go
index 1f01dc6..0ae8073 100644
--- a/android/sdk_version.go
+++ b/android/sdk_version.go
@@ -86,7 +86,7 @@
// JavaLibraryName returns the soong module containing the Java APIs of that API surface.
func (k SdkKind) JavaLibraryName(c Config) string {
- name := k.defaultJavaLibraryName()
+ name := k.DefaultJavaLibraryName()
return JavaApiLibraryName(c, name)
}
@@ -100,7 +100,7 @@
return name
}
-func (k SdkKind) defaultJavaLibraryName() string {
+func (k SdkKind) DefaultJavaLibraryName() string {
switch k {
case SdkPublic:
return "android_stubs_current"
diff --git a/bp2build/symlink_forest.go b/bp2build/symlink_forest.go
index aac5e7d..5c33308 100644
--- a/bp2build/symlink_forest.go
+++ b/bp2build/symlink_forest.go
@@ -21,10 +21,13 @@
"path/filepath"
"regexp"
"sort"
+ "strconv"
+ "strings"
"sync"
"sync/atomic"
"android/soong/shared"
+
"github.com/google/blueprint/pathtools"
)
@@ -35,6 +38,13 @@
// excluded from symlinking. Otherwise, the node is not excluded, but one of its
// descendants is (otherwise the node in question would not exist)
+// This is a version int written to a file called symlink_forest_version at the root of the
+// symlink forest. If the version here does not match the version in the file, then we'll
+// clean the whole symlink forest and recreate it. This number can be bumped whenever there's
+// an incompatible change to the forest layout or a bug in incrementality that needs to be fixed
+// on machines that may still have the bug present in their forest.
+const symlinkForestVersion = 1
+
type instructionsNode struct {
name string
excluded bool // If false, this is just an intermediate node
@@ -123,6 +133,34 @@
}
newContents = append(newContents, srcBuildFileContent...)
+ // Say you run bp2build 4 times:
+ // - The first time there's only an Android.bp file. bp2build will convert it to a build file
+ // under out/soong/bp2build, then symlink from the forest to that generated file
+ // - Then you add a handcrafted BUILD file in the same directory. bp2build will merge this with
+ // the generated one, and write the result to the output file in the forest. But the output
+ // file was a symlink to out/soong/bp2build from the previous step! So we erroneously update
+ // the file in out/soong/bp2build instead. So far this doesn't cause any problems...
+ // - You run a 3rd bp2build with no relevant changes. Everything continues to work.
+ // - You then add a comment to the handcrafted BUILD file. This causes a merge with the
+ // generated file again. But since we wrote to the generated file in step 2, the generated
+ // file has an old copy of the handcrafted file in it! This probably causes duplicate bazel
+ // targets.
+ // To solve this, if we see that the output file is a symlink from a previous build, remove it.
+ stat, err := os.Lstat(output)
+ if err != nil && !os.IsNotExist(err) {
+ return err
+ } else if err == nil {
+ if stat.Mode()&os.ModeSymlink == os.ModeSymlink {
+ if verbose {
+ fmt.Fprintf(os.Stderr, "Removing symlink so that we can replace it with a merged file: %s\n", output)
+ }
+ err = os.Remove(output)
+ if err != nil {
+ return err
+ }
+ }
+ }
+
return pathtools.WriteFileIfChanged(output, newContents, 0666)
}
@@ -202,6 +240,46 @@
return false
}
+// maybeCleanSymlinkForest will remove the whole symlink forest directory if the version recorded
+// in the symlink_forest_version file is not equal to symlinkForestVersion.
+func maybeCleanSymlinkForest(topdir, forest string, verbose bool) error {
+ versionFilePath := shared.JoinPath(topdir, forest, "symlink_forest_version")
+ versionFileContents, err := os.ReadFile(versionFilePath)
+ if err != nil && !os.IsNotExist(err) {
+ return err
+ }
+ versionFileString := strings.TrimSpace(string(versionFileContents))
+ symlinkForestVersionString := strconv.Itoa(symlinkForestVersion)
+ if err != nil || versionFileString != symlinkForestVersionString {
+ if verbose {
+ fmt.Fprintf(os.Stderr, "Old symlink_forest_version was %q, current is %q. Cleaning symlink forest before recreating...\n", versionFileString, symlinkForestVersionString)
+ }
+ err = os.RemoveAll(shared.JoinPath(topdir, forest))
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// maybeWriteVersionFile will write the symlink_forest_version file containing symlinkForestVersion
+// if it doesn't exist already. If it exists we know it must contain symlinkForestVersion because
+// we checked for that already in maybeCleanSymlinkForest
+func maybeWriteVersionFile(topdir, forest string) error {
+ versionFilePath := shared.JoinPath(topdir, forest, "symlink_forest_version")
+ _, err := os.Stat(versionFilePath)
+ if err != nil {
+ if !os.IsNotExist(err) {
+ return err
+ }
+ err = os.WriteFile(versionFilePath, []byte(strconv.Itoa(symlinkForestVersion)+"\n"), 0666)
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
// Recursively plants a symlink forest at forestDir. The symlink tree will
// contain every file in buildFilesDir and srcDir excluding the files in
// instructions. Collects every directory encountered during the traversal of
@@ -395,6 +473,12 @@
symlinkCount: atomic.Uint64{},
}
+ err := maybeCleanSymlinkForest(topdir, forest, verbose)
+ if err != nil {
+ fmt.Fprintln(os.Stderr, err)
+ os.Exit(1)
+ }
+
instructions := instructionsFromExcludePathList(exclude)
go func() {
context.wg.Add(1)
@@ -407,5 +491,11 @@
deps = append(deps, dep)
}
+ err = maybeWriteVersionFile(topdir, forest)
+ if err != nil {
+ fmt.Fprintln(os.Stderr, err)
+ os.Exit(1)
+ }
+
return deps, context.mkdirCount.Load(), context.symlinkCount.Load()
}
diff --git a/cc/library.go b/cc/library.go
index a9ada97..7504302 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -26,7 +26,6 @@
"android/soong/android"
"android/soong/bazel"
"android/soong/bazel/cquery"
- "android/soong/cc/config"
"github.com/google/blueprint"
"github.com/google/blueprint/pathtools"
@@ -2261,8 +2260,7 @@
!ctx.useVndk() && !ctx.inRamdisk() && !ctx.inVendorRamdisk() && !ctx.inRecovery() && ctx.Device() &&
library.baseLinker.sanitize.isUnsanitizedVariant() &&
ctx.isForPlatform() && !ctx.isPreventInstall() {
- installPath := getNdkSysrootBase(ctx).Join(
- ctx, "usr/lib", config.NDKTriple(ctx.toolchain()), file.Base())
+ installPath := getUnversionedLibraryInstallPath(ctx).Join(ctx, file.Base())
ctx.ModuleBuild(pctx, android.ModuleBuildParams{
Rule: android.Cp,
diff --git a/cc/ndk_library.go b/cc/ndk_library.go
index 2473ba2..a824361 100644
--- a/cc/ndk_library.go
+++ b/cc/ndk_library.go
@@ -528,17 +528,20 @@
return false
}
-func (stub *stubDecorator) install(ctx ModuleContext, path android.Path) {
- arch := ctx.Target().Arch.ArchType.Name
- // arm64 isn't actually a multilib toolchain, so unlike the other LP64
- // architectures it's just installed to lib.
- libDir := "lib"
- if ctx.toolchain().Is64Bit() && arch != "arm64" {
- libDir = "lib64"
- }
+// Returns the install path for unversioned NDK libraries (currently only static
+// libraries).
+func getUnversionedLibraryInstallPath(ctx ModuleContext) android.InstallPath {
+ return getNdkSysrootBase(ctx).Join(ctx, "usr/lib", config.NDKTriple(ctx.toolchain()))
+}
- installDir := getNdkInstallBase(ctx).Join(ctx, fmt.Sprintf(
- "platforms/android-%s/arch-%s/usr/%s", stub.apiLevel, arch, libDir))
+// Returns the install path for versioned NDK libraries. These are most often
+// stubs, but the same paths are used for CRT objects.
+func getVersionedLibraryInstallPath(ctx ModuleContext, apiLevel android.ApiLevel) android.InstallPath {
+ return getUnversionedLibraryInstallPath(ctx).Join(ctx, apiLevel.String())
+}
+
+func (stub *stubDecorator) install(ctx ModuleContext, path android.Path) {
+ installDir := getVersionedLibraryInstallPath(ctx, stub.apiLevel)
stub.installPath = ctx.InstallFile(installDir, path.Base(), path)
}
diff --git a/java/java.go b/java/java.go
index 403f503..d400b0c 100644
--- a/java/java.go
+++ b/java/java.go
@@ -1612,7 +1612,7 @@
}
type JavaApiLibraryDepsInfo struct {
- StubsJar android.Path
+ JavaInfo
StubsSrcJar android.Path
}
@@ -1821,7 +1821,7 @@
staticLibs = append(staticLibs, provider.HeaderJars...)
case depApiSrcsTag:
provider := ctx.OtherModuleProvider(dep, JavaApiLibraryDepsProvider).(JavaApiLibraryDepsInfo)
- classPaths = append(classPaths, provider.StubsJar)
+ classPaths = append(classPaths, provider.HeaderJars...)
depApiSrcsStubsSrcJar = provider.StubsSrcJar
}
})
@@ -1900,7 +1900,9 @@
})
ctx.SetProvider(JavaApiLibraryDepsProvider, JavaApiLibraryDepsInfo{
- StubsJar: al.stubsJar,
+ JavaInfo: JavaInfo{
+ HeaderJars: android.PathsIfNonNil(al.stubsJar),
+ },
StubsSrcJar: al.stubsSrcJar,
})
}
diff --git a/java/testing.go b/java/testing.go
index 8a0db9c..0764d26 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -368,14 +368,6 @@
"core.current.stubs",
"legacy.core.platform.api.stubs",
"stable.core.platform.api.stubs",
- "android_stubs_current.from-text",
- "android_system_stubs_current.from-text",
- "android_test_stubs_current.from-text",
- "android_module_lib_stubs_current.from-text",
- "android_system_server_stubs_current.from-text",
- "core.current.stubs.from-text",
- "legacy.core.platform.api.stubs.from-text",
- "stable.core.platform.api.stubs.from-text",
"kotlin-stdlib",
"kotlin-stdlib-jdk7",
@@ -396,6 +388,27 @@
`, extra)
}
+ extraApiLibraryModules := map[string]string{
+ "android_stubs_current.from-text": "api/current.txt",
+ "android_system_stubs_current.from-text": "api/system-current.txt",
+ "android_test_stubs_current.from-text": "api/test-current.txt",
+ "android_module_lib_stubs_current.from-text": "api/module-lib-current.txt",
+ "android_system_server_stubs_current.from-text": "api/system-server-current.txt",
+ "core.current.stubs.from-text": "api/current.txt",
+ "legacy.core.platform.api.stubs.from-text": "api/current.txt",
+ "stable.core.platform.api.stubs.from-text": "api/current.txt",
+ "core-lambda-stubs.from-text": "api/current.txt",
+ }
+
+ for libName, apiFile := range extraApiLibraryModules {
+ bp += fmt.Sprintf(`
+ java_api_library {
+ name: "%s",
+ api_files: ["%s"],
+ }
+ `, libName, apiFile)
+ }
+
bp += `
java_library {
name: "framework",