make[3]: Leaving directory '/c/gcdev64/gnucash/maint/build/OpenSP-1.5.2'
make[2]: Leaving directory '/c/gcdev64/gnucash/maint/build/OpenSP-1.5.2'
make[1]: Leaving directory '/c/gcdev64/gnucash/maint/build/OpenSP-1.5.2'
I: Deleting .la file: '/c/gcdev64/gnucash/maint/inst/_jhbuild/root-OpenSP/c/gcdev64/gnucash/maint/inst/lib/libosp.la'
I: Moving temporary DESTDIR '/c/gcdev64/gnucash/maint/inst/_jhbuild/root-OpenSP' into build prefix
Traceback (most recent call last):
  File "/usr/bin/jhbuild", line 23, in <module>
    jhbuild.main.main(sys.argv[1:])
  File "/c/gcdev64/src/jhbuild.git/jhbuild/main.py", line 120, in main
    rc = jhbuild.commands.run(command, config, args, help=lambda: print_help(parser))
  File "/c/gcdev64/src/jhbuild.git/jhbuild/commands/__init__.py", line 188, in run
    return cmd.execute(config, args, help)
  File "/c/gcdev64/src/jhbuild.git/jhbuild/commands/__init__.py", line 56, in execute
    return self.run(config, options, args, help)
  File "/c/gcdev64/src/jhbuild.git/jhbuild/commands/base.py", line 263, in run
    return build.build()
  File "/c/gcdev64/src/jhbuild.git/jhbuild/frontends/buildscript.py", line 172, in build
    error, altphases = module.run_phase(self, phase)
  File "/c/gcdev64/src/jhbuild.git/jhbuild/modtypes/__init__.py", line 423, in run_phase
    method(buildscript)
  File "/c/gcdev64/src/jhbuild.git/jhbuild/modtypes/autotools.py", line 320, in do_install
    self.process_install(buildscript, self.get_revision())
  File "/c/gcdev64/src/jhbuild.git/jhbuild/modtypes/__init__.py", line 390, in process_install
    buildscript.moduleset.packagedb.add(self.name, revision or '',
  File "/c/gcdev64/src/jhbuild.git/jhbuild/utils/packagedb.py", line 176, in add
    pkg.write()
  File "/c/gcdev64/src/jhbuild.git/jhbuild/utils/packagedb.py", line 79, in write
    writer.fp.write('\n'.join(self.manifest).encode('utf-8', 'backslashreplace') + b'\n')
TypeError: can only join an iterable