/bin/grep: warning: stray \ before -
configure: WARNING:
  You will not be able to create source packages with 'make dist'
  because gtk-doc is not found.
grep: warning: stray \ before #
grep: warning: stray \ before #
grep: warning: stray \ before #
session-child.c: In function ‘updwtmpx’:
session-child.c:204:9: warning: the comparison will always evaluate as ‘true’ for the address of ‘ut_line’ will never be NULL [-Waddress]
  204 |     if (ut->ut_line)
      |         ^~
In file included from /usr/include/utmpx.h:31,
                 from session-child.c:17:
/usr/include/bits/utmpx.h:59:8: note: ‘ut_line’ declared here
   59 |   char ut_line[__UT_LINESIZE]
      |        ^~~~~~~
session-child.c:206:9: warning: the comparison will always evaluate as ‘true’ for the address of ‘ut_id’ will never be NULL [-Waddress]
  206 |     if (ut->ut_id)
      |         ^~
/usr/include/bits/utmpx.h:61:8: note: ‘ut_id’ declared here
   61 |   char ut_id[4]
      |        ^~~~~
session-child.c:208:9: warning: the comparison will always evaluate as ‘true’ for the address of ‘ut_user’ will never be NULL [-Waddress]
  208 |     if (ut->ut_user)
      |         ^~
/usr/include/bits/utmpx.h:63:8: note: ‘ut_user’ declared here
   63 |   char ut_user[__UT_NAMESIZE]
      |        ^~~~~~~
session-child.c:210:9: warning: the comparison will always evaluate as ‘true’ for the address of ‘ut_host’ will never be NULL [-Waddress]
  210 |     if (ut->ut_host)
      |         ^~
/usr/include/bits/utmpx.h:65:8: note: ‘ut_host’ declared here
   65 |   char ut_host[__UT_HOSTSIZE]
      |        ^~~~~~~
libtool: warning: remember to run 'libtool --finish /usr/lib'
libtool: warning: relinking 'liblightdm-qt5-3.la'
libtool: warning: remember to run 'libtool --finish /usr/lib'
grep: warning: stray \ before #
grep: warning: stray \ before #
grep: warning: stray \ before #
grep: warning: stray \ before #
grep: warning: stray \ before #