make got some errors .(after configure step)

[sravanth-space]

make (cd openbsd-compat && /Library/Developer/CommandLineTools/usr/bin/make) gcc -g -O2 -Wall -Wpointer-arith -Wuninitialized -Wsign-compare -Wformat-security -Wno-pointer-sign -Wno-unused-result -fno-strict-aliasing -fno-builtin-memset -fstack-protector-all -I. -I.. -I. -I./.. -I/usr/local/opt/openssl/include -DHAVE_CONFIG_H -c setproctitle.c setproctitle.c:147:2: warning: implicit declaration of function 'strnvis' is invalid in C99 [-Wimplicit-function-declaration] strnvis(ptitle, buf, sizeof(ptitle), ^ setproctitle.c:148:6: error: use of undeclared identifier 'VIS_CSTYLE' VIS_CSTYLE|VIS_NL|VIS_TAB|VIS_OCTAL); ^ setproctitle.c:148:17: error: use of undeclared identifier 'VIS_NL' VIS_CSTYLE|VIS_NL|VIS_TAB|VIS_OCTAL); ^ setproctitle.c:148:24: error: use of undeclared identifier 'VIS_TAB' VIS_CSTYLE|VIS_NL|VIS_TAB|VIS_OCTAL); ^ setproctitle.c:148:32: error: use of undeclared identifier 'VIS_OCTAL' VIS_CSTYLE|VIS_NL|VIS_TAB|VIS_OCTAL); ^ 1 warning and 4 errors generated. make[1]: [setproctitle.o] Error 1 make: [openbsd-compat/libopenbsd-compat.a] Error 2