[...]

Error: no ID for constraint linkend: "NULL:CAPS".
Error: no ID for constraint linkend: "void".
Error: no ID for constraint linkend: "tm".
Error: no ID for constraint linkend: "tm".
Error: no ID for constraint linkend: "gchar".
gtkdoc-fixxref --module=loudmouth --module-dir=html --html-dir=/usr/share/gtk-doc/html 
/usr/bin/source-highlight: error while loading shared libraries: libboost_regex.so.1.61.0: cannot open shared object file: No such file or directory
Traceback (most recent call last):
  File "/usr/bin/gtkdoc-fixxref", line 57, in <module>
    fixxref.Run(options)
  File "/usr/share/gtk-doc/python/gtkdoc/fixxref.py", line 112, in Run
    FixCrossReferences(options)
  File "/usr/share/gtk-doc/python/gtkdoc/fixxref.py", line 215, in FixCrossReferences
    FixHTMLFile(options, full_entry)
  File "/usr/share/gtk-doc/python/gtkdoc/fixxref.py", line 238, in FixHTMLFile
    repl_func, content, flags=re.DOTALL)
  File "/usr/lib64/python2.7/re.py", line 155, in sub
  File "/usr/share/gtk-doc/python/gtkdoc/fixxref.py", line 235, in repl_func
    return HighlightSource(options, m.group(1), m.group(2))
  File "/usr/share/gtk-doc/python/gtkdoc/fixxref.py", line 345, in HighlightSource
    [config.highlight] + shlex.split(highlight_options) + [temp_source_file]).decode('utf-8')
  File "/usr/lib64/python2.7/subprocess.py", line 219, in check_output
subprocess.CalledProcessError: Command '['/usr/bin/source-highlight', '-t4', '-sc', '-cstyle.css', '--no-doc', '-i', '/tmp/B.neq205/BUILD/tmp/tmpBMYK_x.c']' returned non-zero exit status 127
make[5]: *** [Makefile:814: html-build.stamp] Error 1
make[5]: Leaving directory '/tmp/B.neq205/BUILD/loudmouth-1.5.3/docs/reference'
make[4]: *** [Makefile:475: all] Error 2
make[4]: Leaving directory '/tmp/B.neq205/BUILD/loudmouth-1.5.3/docs/reference'
make[3]: *** [Makefile:403: all-recursive] Error 1
make[3]: Leaving directory '/tmp/B.neq205/BUILD/loudmouth-1.5.3/docs'
make[2]: *** [Makefile:356: all] Error 2
make[2]: Leaving directory '/tmp/B.neq205/BUILD/loudmouth-1.5.3/docs'
make[1]: *** [Makefile:512: all-recursive] Error 1
make[1]: Leaving directory '/tmp/B.neq205/BUILD/loudmouth-1.5.3'
make: *** [Makefile:420: all] Error 2
error: Bad exit status from /tmp/B.neq205/BUILD/tmp/rpm-tmp.79463 (%build)
RPM build errors:
    Bad exit status from /tmp/B.neq205/BUILD/tmp/rpm-tmp.79463 (%build)
ended at: Fri Jan 26 14:23:08 2018, done in 0:00:11.795434
error: No files produced.
mesg: ttyname failed: Inappropriate ioctl for device
+ chmod -R u+rwX /tmp/B.neq205/BUILD
+ rm -rf /tmp/B.neq205/tmp /tmp/B.neq205/BUILD
mesg: ttyname failed: Inappropriate ioctl for device
+ rm -rf /tmp/B.neq205
Begin-TLD-Builder-Info
Build-Time: user:14.61s sys:2.12s real:12.49s (faults io:0 non-io:1496175)
End-TLD-Builder-Info