@@ -22,6 +22,7 @@ import (
2222 "io"
2323 "os"
2424 "path/filepath"
25+ "sort"
2526 "strings"
2627
2728 "github.com/arduino/arduino-cli/internal/arduino/builder/internal/compilation"
@@ -331,7 +332,7 @@ func (b *Builder) preprocess() error {
331332 if b .logger .VerbosityLevel () == logger .VerbosityVerbose {
332333 b .logger .Info (i18n .Tr ("The list of included libraries has been changed... rebuilding all libraries." ))
333334 }
334- if err := b .librariesBuildPath . RemoveAll ( ); err != nil {
335+ if err := b .removeBuildPathExecptLibsdiscoveryFiles ( b . librariesBuildPath ); err != nil {
335336 return err
336337 }
337338 }
@@ -544,3 +545,28 @@ func (b *Builder) execCommand(command *paths.Process) error {
544545
545546 return command .Wait ()
546547}
548+ 549+ func (b * Builder ) removeBuildPathExecptLibsdiscoveryFiles (pathToRemove * paths.Path ) error {
550+ filesToRemove , err := pathToRemove .ReadDirRecursiveFiltered (nil ,
551+ paths .FilterOutDirectories (),
552+ paths .FilterOutSuffixes (".libsdetect.d" ))
553+ if err != nil {
554+ return err
555+ }
556+ for _ , f := range filesToRemove {
557+ if err := f .Remove (); err != nil {
558+ return err
559+ }
560+ }
561+ 562+ dirsToRemove , err := pathToRemove .ReadDirRecursiveFiltered (nil , paths .FilterDirectories ())
563+ if err != nil {
564+ return err
565+ }
566+ // Remove directories in reverse order (deepest first)
567+ sort .Slice (dirsToRemove , func (i , j int ) bool { return len (dirsToRemove [i ].String ()) > len (dirsToRemove [j ].String ()) })
568+ for _ , d := range dirsToRemove {
569+ _ = d .Remove ()
570+ }
571+ return nil
572+ }
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