echoping +gnutls fails to build on BigSur 11.3.1

[pwosel]

pwo@mucsxa02 apache % sudo port clean echoping ---> Cleaning echoping pwo@mucsxa02 apache % sudo port install echoping +gnutls ---> Computing dependencies for echoping ---> Fetching archive for echoping ---> Attempting to fetch echoping-6.0.2_5+gnutls.darwin_20.x86_64.tbz2 from ​https://fra.de.packages.macports.org/echoping ---> Attempting to fetch echoping-6.0.2_5+gnutls.darwin_20.x86_64.tbz2 from ​https://packages.macports.org/echoping ---> Attempting to fetch echoping-6.0.2_5+gnutls.darwin_20.x86_64.tbz2 from ​https://nue.de.packages.macports.org/echoping ---> Fetching distfiles for echoping ---> Verifying checksums for echoping ---> Extracting echoping ---> Applying patches to echoping ---> Configuring echoping ---> Building echoping Error: Failed to build echoping: command execution failed Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/main.log for details. Error: Follow ​https://guide.macports.org/#project.tickets to report a bug. Error: Processing of port echoping failed

pwo@mucsxa02 apache % less /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/main.log ... ... :info:build /usr/bin/clang -DHAVE_CONFIG_H -I. -I/opt/local/include -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.3.sdk -pipe -Os -DLDAP_DEPRECATED -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.3.sdk -arch x86_64 -MT dns.lo -MD -MP -MF .deps/dns.Tpo -c dns.c -o dns.o >/dev/null 2>&1 :info:build mv -f .deps/dns.Tpo .deps/dns.Plo :info:build /bin/sh ./libtool --tag=CC --mode=link /usr/bin/clang -pipe -Os -DLDAP_DEPRECATED -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.3.sdk -arch x86_64 -module -L/opt/local/lib -Wl,-headerpad_max_install_names -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.3.sdk -arch x86_64 -o dns.la -rpath /opt/local/lib/echoping dns.lo -lpopt -lresolv :info:build /usr/bin/clang -o .libs/dns.0.0.0.so -bundle .libs/dns.o -L/opt/local/lib -lpopt -lresolv -arch x86_64 -Wl,-headerpad_max_install_names -Wl,-syslibroot -Wl,/Library/Developer/CommandLineTools/SDKs/MacOSX11.3.sdk -arch x86_64 :info:build Undefined symbols for architecture x86_64: :info:build "_err_quit", referenced from: :info:build _start in dns.o :info:build "_err_ret", referenced from: :info:build _nsError in dns.o :info:build "_err_sys", referenced from: :info:build _start in dns.o :info:build "_to_upper", referenced from: :info:build _nsError in dns.o :info:build _init in dns.o :info:build ld: symbol(s) not found for architecture x86_64 :info:build clang: error: linker command failed with exit code 1 (use -v to see invocation) :info:build make[4]: * [dns.la] Error 1 :info:build make[4]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/work/echoping-6.0.2/plugins/dns' :info:build make[3]: * [all] Error 2 :info:build make[3]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/work/echoping-6.0.2/plugins/dns' :info:build make[2]: * [all-recursive] Error 1 :info:build make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/work/echoping-6.0.2/plugins' :info:build make[1]: * [all-recursive] Error 1 :info:build make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/work/echoping-6.0.2' :info:build make: * [all] Error 2 :info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/work/echoping-6.0.2' :info:build Command failed: cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/work/echoping-6.0.2" && /usr/bin/make -j12 -w all :info:build Exit code: 2 :error:build Failed to build echoping: command execution failed :debug:build Error code: CHILDSTATUS 99144 2 :debug:build Backtrace: command execution failed :debug:build while executing :debug:build "system {*}$notty {*}$nice $fullcmdstring" :debug:build invoked from within :debug:build "command_exec build" :debug:build (procedure "portbuild::build_main" line 8) :debug:build invoked from within :debug:build "$procedure $targetname" :error:build See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_net_echoping/echoping/main.log for details.