gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -g -DHAVE_CONFIG_H -I. -Wall -Wmissing-prototypes -c -o zone.o zone.c zone.c: In function 'zone_new': zone.c:159:4: warning: field precision specifier '.*' expects argument of type 'int', but argument 5 has type 'long int' [-Wformat] zone.c:159:4: warning: field precision specifier '.*' expects argument of type 'int', but argument 5 has type 'long int' [-Wformat] zone.c: In function 'zone_readdir': zone.c:225:3: warning: field precision specifier '.*' expects argument of type 'int', but argument 5 has type 'long int' [-Wformat] zone.c:225:3: warning: field precision specifier '.*' expects argument of type 'int', but argument 5 has type 'long int' [-Wformat] gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -g -DHAVE_CONFIG_H -I. -Wall -Wmissing-prototypes -c -o ncparse.o ncparse.c gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -g -DHAVE_CONFIG_H -I. -Wall -Wmissing-prototypes -c -o rollover.o rollover.c rollover.c: In function 'kskrollover': rollover.c:257:6: warning: variable 'parent_resign' set but not used [-Wunused-but-set-variable] gcc -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -g -DHAVE_CONFIG_H -I. -Wall -Wmissing-prototypes -c -o nscomm.o nscomm.c In file included from /usr/include/x86_64-linux-gnu/sys/syslog.h:207:0, from /usr/include/syslog.h:1, from log.h:43, from nscomm.h:45, from nscomm.c:46: /usr/include/x86_64-linux-gnu/bits/syslog.h: In function 'syslog': /usr/include/x86_64-linux-gnu/bits/syslog.h:31:16: error: invalid use of '__builtin_va_arg_pack ()' make[1]: *** [nscomm.o] Error 1 make[1]: Leaving directory `/root/zkt/zkt-1.1.2' dh_auto_build: make -j1 returned exit code 2 make: *** [build] Error 2 dpkg-buildpackage: error: debian/rules build gave error exit status 2