jack @1.9.12 does not build on 10.5.8 PPC

[udbraumann]

While installing jack @1.9.14 (an requirement for MP4Joiner @2.2_2) on my PPC G4 building of JackCoreAudioDriver.mm stops with an internal compiler error of gcc7:

...
:info:build In file included from ../macosx/coreaudio/JackCoreAudioDriver.mm:29:0:
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/common/JackLockedEngine.h: In member fun
ction 'int Jack::JackLockedEngine::PortRegister(int, const char*, const char*, unsigned int, unsigned int, jack_port_id_t*)':
:info:build /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/common/JackLockedEngine.h:196:13: internal compiler error: in objc_eh_runtime_type, at objc/objc-next-runtime-abi-01.c:2791
:info:build          int PortRegister(int refnum, const char* name, const char *type, unsigned int flags, unsigned int buffer_size, jack_port_id_t* port)
:info:build              ^~~~~~~~~~~~
:info:build libbacktrace could not find executable to open
:info:build Please submit a full bug report,
:info:build with preprocessed source if appropriate.
:info:build See <https://trac.macports.org/newticket> for instructions.
:info:build Waf: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/build'
:info:build Build failed
:info:build  -> task in 'coreaudio' failed (exit status 1):
:info:build     {task 22241648: cxx JackCoreAudioDriver.mm -> JackCoreAudioDriver.mm.8.o}
:info:build ['/opt/local/bin/g++-mp-7', '-pipe', '-Os', '-D_GLIBCXX_USE_CXX11_ABI=0', '-m32', '-Wall', '-fPIC', '-I/opt/local/include', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/build', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/build/common', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/common', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/build/common/jack', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/common/jack', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/build/macosx', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/macosx', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/build/posix', '-I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/posix', '-DAFTEN=1', '-DHAVE_DOXYGEN=0', '-DHAVE_ALSA=0', '-DHAVE_FIREWIRE=0', '-DHAVE_FREEBOB=0', '-DHAVE_IIO=0', '-DHAVE_PORTAUDIO=0', '-DHAVE_WINMME=0', '-DHAVE_CELT=0', '-DHAVE_OPUS=0', '-DHAVE_SAMPLERATE=1', '-DHAVE_SNDFILE=1', '-DHAVE_READLINE=0', '-DHAVE_EXECINFO_H=1', '-DUSE_CLASSIC_AUTOLAUNCH=1', '-DCLIENT_NUM=64', '-DPORT_NUM_FOR_CLIENT=768', '-DADDON_DIR="/opt/local/lib/jack"', '-DJACK_LOCATION="/opt/local/bin"', '-DUSE_POSIX_SHM=1', '-DJACKMP=1', '-DHAVE_CONFIG_H', '-DSERVER_SIDE', '../macosx/coreaudio/JackCoreAudioDriver.mm', '-c', '-o', '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12/build/macosx/coreaudio/JackCoreAudioDriver.mm.8.o']
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_audio_jack/jack/work/jack2-1.9.12" && /opt/local/bin/python2.7 ./waf build
:info:build Exit code: 1
:error:build Failed to build jack: command execution failed
...

Just now, after my installation attempt, I notice that jack @1.9.14 is available. I will try this soon.