lsof ftbfs in disco

https://launchpadlibrarian.net/417924302/buildlog_ubuntu-disco-amd64.lsof_4.91+dfsg-1_BUILDING.txt.gz

cd tests && make test && make opt && cd -
make[2]: Entering directory '/<<BUILDDIR>>/lsof-4.91+dfsg/tests'
`cat config.cc` -I. -I.. `cat config.cflags` -c LTlib.c \
-o LTlib.o
LTlib.c: In function ‘ConvLsofDev’:
LTlib.c:246:25: warning: implicit declaration of function ‘major’; did you mean ‘major_X’? [-Wimplicit-function-declaration]
 #define major_X(dp, em) major(x2dev(dp, em))
                         ^~~~~
LTlib.c:375:31: note: in expansion of macro ‘major_X’
     ldev->maj = (unsigned int)major_X(dp, &em);
                               ^~~~~~~
LTlib.c:250:25: warning: implicit declaration of function ‘minor’; did you mean ‘mknod’? [-Wimplicit-function-declaration]
 #define minor_X(dp, em) minor(x2dev(dp, em))
                         ^~~~~
LTlib.c:378:31: note: in expansion of macro ‘minor_X’
     ldev->min = (unsigned int)minor_X(dp, &em);
                               ^~~~~~~
`cat config.cc` -I. -I.. `cat config.cflags` LTbasic.c \
LTlib.o `cat config.xobj` -o LTbasic
/usr/bin/ld: LTlib.o: in function `ConvLsofDev':
LTlib.c:(.text+0x111): undefined reference to `major'
/usr/bin/ld: LTlib.c:(.text+0x147): undefined reference to `minor'
/usr/bin/ld: LTlib.o: in function `ConvStatDev':
LTlib.c:(.text+0x1c8): undefined reference to `major'
/usr/bin/ld: LTlib.c:(.text+0x1e4): undefined reference to `minor'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:75: LTbasic] Error 1
make[2]: Leaving directory '/<<BUILDDIR>>/lsof-4.91+dfsg/tests'
make[1]: *** [debian/rules:56: override_dh_auto_test] Error 2
make[1]: Leaving directory '/<<BUILDDIR>>/lsof-4.91+dfsg'
make: *** [debian/rules:60: build] Error 2