`sh cflags "optimize='-O'" sv.o` -KPIC sv.c CCCMD = /bin/cc -DPERL_CORE -c -I/usr/include -I/usr/ucbinclude -O "./pad.h", line 144: warning: no macro replacement within a string literal "sv.c", line 2141: undefined symbol: undef "sv.c", line 2182: undefined symbol: undef "sv.c", line 2321: undefined symbol: undef "sv.c", line 2435: undefined symbol: undef "sv.c", line 2476: undefined symbol: undef "sv.c", line 2608: undefined symbol: undef "sv.c", line 2762: undefined symbol: undef