liblockfile ftbfs in eoan (i386 only)

https://launchpadlibrarian.net/441262641/buildlog_ubuntu-eoan-i386.liblockfile_1.15-1_BUILDING.txt.gz

gcc -Wl,-Bsymbolic-functions -Wl,-z,relro -fPIC -shared -Wl,-soname,liblockfile.so.1 \
  -o liblockfile.so lockfile.o -lc
gcc -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -D_GNU_SOURCE -fPIC -D_REENTRANT -I. -Wdate-time -D_FORTIFY_SOURCE=2 -c -o dotlockfile.o dotlockfile.c
gcc -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -D_GNU_SOURCE -fPIC -D_REENTRANT -I. -c lockfile.c -o xlockfile.o
lockfile.c: In function ‘lockfile_create_save_tmplock’:
lockfile.c:350:9: warning: ignoring return value of ‘link’, declared with attribute warn_unused_result [-Wunused-result]
  350 | (void)link(tmplock, lockfile);
      | ^~~~~~~~~~~~~~~~~~~~~~~
gcc -Wl,-Bsymbolic-functions -Wl,-z,relro -o dotlockfile dotlockfile.o xlockfile.o
./run-tests.sh
lockfile still exists after unlock
make[1]: *** [Makefile:88: test-stamp] Error 1
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
dh_auto_build: make -j1 returned exit code 2
make: *** [debian/rules:7: build-arch] Error 255