Hi, I just tried using the current master from https://salsa.debian.org/debian/schroot and doxygen 1.8.13-10 from buster.
This is the log: doxygen schroot.dox warning: Tag `XML_SCHEMA' at line 1484 of file `schroot.dox' has become obsolete. To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u" warning: Tag `XML_DTD' at line 1490 of file `schroot.dox' has become obsolete. To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u" warning: doxygen no longer ships with the FreeSans font. You may want to clear or change DOT_FONTNAME. Otherwise you run the risk that the wrong font is being used for dot generated graphs. Notice: Output directory `schroot' does not exist. I have created it for you. Searching for include files... Searching for example files... Searching for images... Searching for dot files... Searching for msc files... Searching for dia files... Searching for files to exclude Searching INPUT for files to process... Searching for files in directory /tmp/schroot/bin/schroot-base Searching for files in directory /tmp/schroot/bin/schroot Searching for files in directory /tmp/schroot/bin/schroot-listmounts Searching for files in directory /tmp/schroot/bin/schroot-mount Searching for files in directory /tmp/schroot/bin/dchroot Searching for files in directory /tmp/schroot/bin/dchroot-dsa Reading and parsing tag files Parsing files Preprocessing /tmp/schroot/bin/schroot-base/schroot-base-main.cc... Parsing file /tmp/schroot/bin/schroot-base/schroot-base-main.cc... Preprocessing /tmp/schroot/bin/schroot-base/schroot-base-main.h... Parsing file /tmp/schroot/bin/schroot-base/schroot-base-main.h... Preprocessing /tmp/schroot/bin/schroot-base/schroot-base-option-action.cc... Parsing file /tmp/schroot/bin/schroot-base/schroot-base-option-action.cc... Preprocessing /tmp/schroot/bin/schroot-base/schroot-base-option-action.h... Parsing file /tmp/schroot/bin/schroot-base/schroot-base-option-action.h... Preprocessing /tmp/schroot/bin/schroot-base/schroot-base-options.cc... Parsing file /tmp/schroot/bin/schroot-base/schroot-base-options.cc... Preprocessing /tmp/schroot/bin/schroot-base/schroot-base-options.h... Parsing file /tmp/schroot/bin/schroot-base/schroot-base-options.h... Preprocessing /tmp/schroot/bin/schroot-base/schroot-base-run.h... Parsing file /tmp/schroot/bin/schroot-base/schroot-base-run.h... Preprocessing /tmp/schroot/bin/schroot/schroot-main-base.cc... Parsing file /tmp/schroot/bin/schroot/schroot-main-base.cc... Preprocessing /tmp/schroot/bin/schroot/schroot-main-base.h... Parsing file /tmp/schroot/bin/schroot/schroot-main-base.h... Preprocessing /tmp/schroot/bin/schroot/schroot-main.cc... Parsing file /tmp/schroot/bin/schroot/schroot-main.cc... Preprocessing /tmp/schroot/bin/schroot/schroot-main.h... Parsing file /tmp/schroot/bin/schroot/schroot-main.h... Preprocessing /tmp/schroot/bin/schroot/schroot-options-base.cc... Parsing file /tmp/schroot/bin/schroot/schroot-options-base.cc... Preprocessing /tmp/schroot/bin/schroot/schroot-options-base.h... Parsing file /tmp/schroot/bin/schroot/schroot-options-base.h... Preprocessing /tmp/schroot/bin/schroot/schroot-options.cc... Parsing file /tmp/schroot/bin/schroot/schroot-options.cc... Preprocessing /tmp/schroot/bin/schroot/schroot-options.h... Parsing file /tmp/schroot/bin/schroot/schroot-options.h... Preprocessing /tmp/schroot/bin/schroot/schroot.cc... Parsing file /tmp/schroot/bin/schroot/schroot.cc... Preprocessing /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-main.cc... Parsing file /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-main.cc... Preprocessing /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-main.h... Parsing file /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-main.h... Preprocessing /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-options.cc... Parsing file /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-options.cc... Preprocessing /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-options.h... Parsing file /tmp/schroot/bin/schroot-listmounts/schroot-listmounts-options.h... Preprocessing /tmp/schroot/bin/schroot-listmounts/schroot-listmounts.cc... Parsing file /tmp/schroot/bin/schroot-listmounts/schroot-listmounts.cc... Preprocessing /tmp/schroot/bin/schroot-mount/schroot-mount-main.cc... Parsing file /tmp/schroot/bin/schroot-mount/schroot-mount-main.cc... Preprocessing /tmp/schroot/bin/schroot-mount/schroot-mount-main.h... Parsing file /tmp/schroot/bin/schroot-mount/schroot-mount-main.h... Preprocessing /tmp/schroot/bin/schroot-mount/schroot-mount-options.cc... Parsing file /tmp/schroot/bin/schroot-mount/schroot-mount-options.cc... Preprocessing /tmp/schroot/bin/schroot-mount/schroot-mount-options.h... Parsing file /tmp/schroot/bin/schroot-mount/schroot-mount-options.h... Preprocessing /tmp/schroot/bin/schroot-mount/schroot-mount.cc... Parsing file /tmp/schroot/bin/schroot-mount/schroot-mount.cc... Preprocessing /tmp/schroot/bin/dchroot/dchroot-main-base.cc... Parsing file /tmp/schroot/bin/dchroot/dchroot-main-base.cc... Preprocessing /tmp/schroot/bin/dchroot/dchroot-main-base.h... Parsing file /tmp/schroot/bin/dchroot/dchroot-main-base.h... Preprocessing /tmp/schroot/bin/dchroot/dchroot-main.cc... Parsing file /tmp/schroot/bin/dchroot/dchroot-main.cc... Preprocessing /tmp/schroot/bin/dchroot/dchroot-main.h... Parsing file /tmp/schroot/bin/dchroot/dchroot-main.h... Preprocessing /tmp/schroot/bin/dchroot/dchroot-options.cc... Parsing file /tmp/schroot/bin/dchroot/dchroot-options.cc... Preprocessing /tmp/schroot/bin/dchroot/dchroot-options.h... Parsing file /tmp/schroot/bin/dchroot/dchroot-options.h... Preprocessing /tmp/schroot/bin/dchroot/dchroot-session-base.cc... Parsing file /tmp/schroot/bin/dchroot/dchroot-session-base.cc... Preprocessing /tmp/schroot/bin/dchroot/dchroot-session-base.h... Parsing file /tmp/schroot/bin/dchroot/dchroot-session-base.h... Preprocessing /tmp/schroot/bin/dchroot/dchroot-session.cc... Parsing file /tmp/schroot/bin/dchroot/dchroot-session.cc... Preprocessing /tmp/schroot/bin/dchroot/dchroot-session.h... Parsing file /tmp/schroot/bin/dchroot/dchroot-session.h... Preprocessing /tmp/schroot/bin/dchroot/dchroot.cc... Parsing file /tmp/schroot/bin/dchroot/dchroot.cc... Preprocessing /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-main.cc... Parsing file /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-main.cc... Preprocessing /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-main.h... Parsing file /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-main.h... Preprocessing /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-options.cc... Parsing file /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-options.cc... Preprocessing /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-options.h... Parsing file /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-options.h... Preprocessing /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-session.cc... Parsing file /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-session.cc... Preprocessing /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-session.h... Parsing file /tmp/schroot/bin/dchroot-dsa/dchroot-dsa-session.h... Preprocessing /tmp/schroot/bin/dchroot-dsa/dchroot-dsa.cc... Parsing file /tmp/schroot/bin/dchroot-dsa/dchroot-dsa.cc... Building group list... Building directory list... Building namespace list... Building file list... Building class list... Associating documentation with classes... Computing nesting relations for classes... Building example list... Searching for enumerations... Searching for documented typedefs... Searching for members imported via using declarations... Searching for included using directives... Searching for documented variables... Building interface member list... Building member list... Searching for friends... Searching for documented defines... Computing class inheritance relations... Computing class usage relations... Flushing cached template relations that have become invalid... Computing class relations... Add enum values to enums... Searching for member function documentation... Creating members for template instances... Building page list... Search for main page... Computing page relations... Determining the scope of groups... Sorting lists... Freeing entry tree Determining which enums are documented Computing member relations... Building full member lists recursively... Adding members to member groups. Computing member references... Inheriting documentation... Generating disk names... Adding source references... Adding xrefitems... Sorting member lists... Computing dependencies between directories... Generating citations page... Counting data structures... Resolving user defined references... Finding anchors and sections in the documentation... Transferring function references... Combining using relations... Adding members to index pages... Generating style sheet... Generating search indices... Generating example documentation... Generating file sources... Parsing code for file bin/dchroot-dsa/dchroot-dsa-main.cc... Generating code for file bin/dchroot-dsa/dchroot-dsa-main.h... Parsing code for file bin/dchroot-dsa/dchroot-dsa-options.cc... Generating code for file bin/dchroot-dsa/dchroot-dsa-options.h... Parsing code for file bin/dchroot-dsa/dchroot-dsa-session.cc... Generating code for file bin/dchroot-dsa/dchroot-dsa-session.h... Parsing code for file bin/dchroot-dsa/dchroot-dsa.cc... Parsing code for file bin/dchroot/dchroot-main-base.cc... Generating code for file bin/dchroot/dchroot-main-base.h... Parsing code for file bin/dchroot/dchroot-main.cc... Generating code for file bin/dchroot/dchroot-main.h... Parsing code for file bin/dchroot/dchroot-options.cc... Generating code for file bin/dchroot/dchroot-options.h... Parsing code for file bin/dchroot/dchroot-session-base.cc... Generating code for file bin/dchroot/dchroot-session-base.h... Parsing code for file bin/dchroot/dchroot-session.cc... Generating code for file bin/dchroot/dchroot-session.h... Parsing code for file bin/dchroot/dchroot.cc... Parsing code for file bin/schroot-base/schroot-base-main.cc... Generating code for file bin/schroot-base/schroot-base-main.h... Parsing code for file bin/schroot-base/schroot-base-option-action.cc... Generating code for file bin/schroot-base/schroot-base-option-action.h... Parsing code for file bin/schroot-base/schroot-base-options.cc... Generating code for file bin/schroot-base/schroot-base-options.h... Generating code for file bin/schroot-base/schroot-base-run.h... Parsing code for file bin/schroot-listmounts/schroot-listmounts-main.cc... Generating code for file bin/schroot-listmounts/schroot-listmounts-main.h... Parsing code for file bin/schroot-listmounts/schroot-listmounts-options.cc... Generating code for file bin/schroot-listmounts/schroot-listmounts-options.h... Parsing code for file bin/schroot-listmounts/schroot-listmounts.cc... Parsing code for file bin/schroot-mount/schroot-mount-main.cc... Generating code for file bin/schroot-mount/schroot-mount-main.h... Parsing code for file bin/schroot-mount/schroot-mount-options.cc... Generating code for file bin/schroot-mount/schroot-mount-options.h... Parsing code for file bin/schroot-mount/schroot-mount.cc... Parsing code for file bin/schroot/schroot-main-base.cc... Generating code for file bin/schroot/schroot-main-base.h... Parsing code for file bin/schroot/schroot-main.cc... Generating code for file bin/schroot/schroot-main.h... Parsing code for file bin/schroot/schroot-options-base.cc... Generating code for file bin/schroot/schroot-options-base.h... Parsing code for file bin/schroot/schroot-options.cc... Generating code for file bin/schroot/schroot-options.h... Parsing code for file bin/schroot/schroot.cc... Generating file documentation... Generating page documentation... Generating docs for page todo... Generating group documentation... Generating class documentation... Generating namespace index... Generating docs for namespace dchroot Generating docs for compound dchroot::main... Generating docs for compound dchroot::main_base... Generating docs for compound dchroot::options... Generating docs for compound dchroot::session... Generating docs for compound dchroot::session_base... Generating docs for namespace dchroot_dsa Generating docs for compound dchroot_dsa::main... Generating docs for compound dchroot_dsa::options... Generating docs for compound dchroot_dsa::session... Generating docs for namespace schroot Generating docs for compound schroot::main... Generating docs for compound schroot::main_base... Generating caller graph for function schroot::main_base::action_version Generating caller graph for function schroot::main_base::create_session Generating caller graph for function schroot::main_base::get_chroot_options Generating docs for compound schroot::options... Generating docs for compound schroot::options_base... Generating caller graph for function schroot::options_base::all_used Generating docs for namespace schroot_base Generating caller graph for function schroot_base::run Generating docs for compound schroot_base::main... Generating caller graph for function schroot_base::main::action_help Generating caller graph for function schroot_base::main::action_version Generating caller graph for function schroot_base::main::run_impl Generating docs for compound schroot_base::option_action... Generating caller graph for function schroot_base::option_action::add Generating caller graph for function schroot_base::option_action::set_default Generating caller graph for function schroot_base::option_action::valid Generating docs for compound schroot_base::options... Generating docs for nested compound schroot_base::options::error... Generating docs for namespace schroot_listmounts Generating docs for compound schroot_listmounts::main... Generating docs for compound schroot_listmounts::options... Generating docs for namespace schroot_mount Generating docs for compound schroot_mount::main... Generating caller graph for function schroot_mount::main::resolve_path Generating caller graph for function schroot_mount::main::run_child Generating caller graph for function schroot_mount::main::wait_for_child Generating docs for compound schroot_mount::options... Generating graph info page... Generating directory documentation... Generating index page... Generating page index... Generating module index... Generating namespace index... Generating namespace member index... Generating annotated compound index... Generating alphabetical compound index... Generating hierarchical class index... Generating graphical class hierarchy... Generating member index... Generating file index... Generating file member index... Generating example index... finalizing index lists... writing tag file... Running dot... Generating dot graphs using 13 parallel threads... Running dot for graph 1/161 ... Running dot for graph 161/161 Patching output file 1/22 ... Patching output file 22/22 lookup cache used 1058/65536 hits=5458 misses=1212 finished... I'll close this bug unless someone has any objections. Paolo