+ make
        echo @`sh  cflags "optimize='-O2 -g '" opmini.o`  -DPERL_IS_MINIPERL -DPERL_EXTERNAL_GLOB opmini.c
@/usr/bin/gcc -maix32 -maix32 -c -DPERL_CORE -D_THREAD_SAFE -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE -DUSE_NATIVE_DLOPEN -DNEED_PTHREAD_INIT -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGE_FILES -O2 -g -Wall -DPERL_IS_MINIPERL -DPERL_EXTERNAL_GLOB opmini.c
In file included from op.h:636:0,
                 from perl.h:3903,
                 from op.c:103:
reentr.h:719:14: error: field '_spent_struct' has incomplete type
  struct spwd _spent_struct;
              ^~~~~~~~~~~~~
make: The error code from the last command is 1.