Merge "Deprecate Snapshot build" into main

cc/library.go

@@ -421,126 +421,9 @@ type libraryDecorator struct {
 	*baseLinker
 	*baseInstaller
 
-	collectedSnapshotHeaders android.Paths
-
 	apiListCoverageXmlPath android.ModuleOutPath
 }
 
-func GlobHeadersForSnapshot(ctx android.ModuleContext, paths android.Paths) android.Paths {
-	ret := android.Paths{}
-
-	// Headers in the source tree should be globbed. On the contrast, generated headers
-	// can't be globbed, and they should be manually collected.
-	// So, we first filter out intermediate directories (which contains generated headers)
-	// from exported directories, and then glob headers under remaining directories.
-	for _, path := range paths {
-		dir := path.String()
-		// Skip if dir is for generated headers
-		if strings.HasPrefix(dir, ctx.Config().OutDir()) {
-			continue
-		}
-
-		// libeigen wrongly exports the root directory "external/eigen". But only two
-		// subdirectories "Eigen" and "unsupported" contain exported header files. Even worse
-		// some of them have no extension. So we need special treatment for libeigen in order
-		// to glob correctly.
-		if dir == "external/eigen" {
-			// Only these two directories contains exported headers.
-			for _, subdir := range []string{"Eigen", "unsupported/Eigen"} {
-				globDir := "external/eigen/" + subdir + "/**/*"
-				glob, err := ctx.GlobWithDeps(globDir, nil)
-				if err != nil {
-					ctx.ModuleErrorf("glob of %q failed: %s", globDir, err)
-					return nil
-				}
-				for _, header := range glob {
-					if strings.HasSuffix(header, "/") {
-						continue
-					}
-					ext := filepath.Ext(header)
-					if ext != "" && ext != ".h" {
-						continue
-					}
-					ret = append(ret, android.PathForSource(ctx, header))
-				}
-			}
-			continue
-		}
-		globDir := dir + "/**/*"
-		glob, err := ctx.GlobWithDeps(globDir, nil)
-		if err != nil {
-			ctx.ModuleErrorf("glob of %q failed: %s", globDir, err)
-			return nil
-		}
-		isLibcxx := strings.HasPrefix(dir, "external/libcxx/include")
-		for _, header := range glob {
-			if isLibcxx {
-				// Glob all files under this special directory, because of C++ headers with no
-				// extension.
-				if strings.HasSuffix(header, "/") {
-					continue
-				}
-			} else {
-				// Filter out only the files with extensions that are headers.
-				found := false
-				for _, ext := range HeaderExts {
-					if strings.HasSuffix(header, ext) {
-						found = true
-						break
-					}
-				}
-				if !found {
-					continue
-				}
-			}
-			ret = append(ret, android.PathForSource(ctx, header))
-		}
-	}
-	return ret
-}
-
-func GlobGeneratedHeadersForSnapshot(_ android.ModuleContext, paths android.Paths) android.Paths {
-	ret := android.Paths{}
-	for _, header := range paths {
-		// TODO(b/148123511): remove exportedDeps after cleaning up genrule
-		if strings.HasSuffix(header.Base(), "-phony") {
-			continue
-		}
-		ret = append(ret, header)
-	}
-	return ret
-}
-
-// collectHeadersForSnapshot collects all exported headers from library.
-// It globs header files in the source tree for exported include directories,
-// and tracks generated header files separately.
-//
-// This is to be called from GenerateAndroidBuildActions, and then collected
-// header files can be retrieved by snapshotHeaders().
-func (l *libraryDecorator) collectHeadersForSnapshot(ctx android.ModuleContext) {
-	ret := android.Paths{}
-
-	// Headers in the source tree should be globbed. On the contrast, generated headers
-	// can't be globbed, and they should be manually collected.
-	// So, we first filter out intermediate directories (which contains generated headers)
-	// from exported directories, and then glob headers under remaining directories.
-	ret = append(ret, GlobHeadersForSnapshot(ctx, append(android.CopyOfPaths(l.flagExporter.dirs), l.flagExporter.systemDirs...))...)
-
-	// Collect generated headers
-	ret = append(ret, GlobGeneratedHeadersForSnapshot(ctx, append(android.CopyOfPaths(l.flagExporter.headers), l.flagExporter.deps...))...)
-
-	l.collectedSnapshotHeaders = ret
-}
-
-// This returns all exported header files, both generated ones and headers from source tree.
-// collectHeadersForSnapshot() must be called before calling this.
-func (l *libraryDecorator) snapshotHeaders() android.Paths {
-	if l.collectedSnapshotHeaders == nil {
-		panic("snapshotHeaders() must be called after collectHeadersForSnapshot()")
-	}
-	return l.collectedSnapshotHeaders
-}
-
 // linkerProps returns the list of properties structs relevant for this library. (For example, if
 // the library is cc_shared_library, then static-library properties are omitted.)
 func (library *libraryDecorator) linkerProps() []interface{} {