compling problems on cygwin.

[silentwar-resident]

how to solve this?

Shadow@F ~/src/ip2trace/ip2location-traceroute-master
$ make
gcc    -c -o src/trace.o src/trace.c
In file included from src/trace.c:1:
src/trace.h:29:31: warning: ‘struct icmphdr’ declared inside parameter list will not be visible outside of this definition or declaration
   29 | void construct_icmphdr(struct icmphdr *header, uint8_t type, uint8_t code, uint16_t id, uint16_t sequence);
      |                               ^~~~~~~
src/trace.c:40:31: warning: ‘struct icmphdr’ declared inside parameter list will not be visible outside of this definition or declaration
   40 | void construct_icmphdr(struct icmphdr *header, uint8_t type, uint8_t code, uint16_t id, uint16_t sequence)
      |                               ^~~~~~~
src/trace.c:40:6: error: conflicting types for ‘construct_icmphdr’; have ‘void(struct icmphdr *, uint8_t,  uint8_t,  uint16_t,  uint16_t)’ {aka ‘void(struct icmphdr *, unsigned char,  unsigned char,  short unsigned int,  short unsigned int)’}
   40 | void construct_icmphdr(struct icmphdr *header, uint8_t type, uint8_t code, uint16_t id, uint16_t sequence)
      |      ^~~~~~~~~~~~~~~~~
In file included from src/trace.c:1:
src/trace.h:29:6: note: previous declaration of ‘construct_icmphdr’ with type ‘void(struct icmphdr *, uint8_t,  uint8_t,  uint16_t,  uint16_t)’ {aka ‘void(struct icmphdr *, unsigned char,  unsigned char,  short unsigned int,  short unsigned int)’}
   29 | void construct_icmphdr(struct icmphdr *header, uint8_t type, uint8_t code, uint16_t id, uint16_t sequence);
      |      ^~~~~~~~~~~~~~~~~
src/trace.c: In function ‘construct_icmphdr’:
src/trace.c:42:15: error: invalid use of undefined type ‘struct icmphdr’
   42 |         header->type = type;
      |               ^~
src/trace.c:43:15: error: invalid use of undefined type ‘struct icmphdr’
   43 |         header->code = code;
      |               ^~
src/trace.c:44:15: error: invalid use of undefined type ‘struct icmphdr’
   44 |         header->un.echo.id = id;
      |               ^~
src/trace.c:45:15: error: invalid use of undefined type ‘struct icmphdr’
   45 |         header->un.echo.sequence = sequence;
      |               ^~
src/trace.c:46:15: error: invalid use of undefined type ‘struct icmphdr’
   46 |         header->checksum = 0;
      |               ^~
src/trace.c:47:15: error: invalid use of undefined type ‘struct icmphdr’
   47 |         header->checksum = compute_icmp_checksum((u_int16_t *)header, sizeof(*header));
      |               ^~
src/trace.c:47:77: error: invalid application of ‘sizeof’ to incomplete type ‘struct icmphdr’
   47 |         header->checksum = compute_icmp_checksum((u_int16_t *)header, sizeof(*header));
      |                                                                             ^
src/trace.c: In function ‘send_probes’:
src/trace.c:60:24: error: storage size of ‘header’ isn’t known
   60 |         struct icmphdr header;
      |                        ^~~~~~
src/trace.c:63:44: error: ‘ICMP_ECHO’ undeclared (first use in this function)
   63 |                 construct_icmphdr(&header, ICMP_ECHO, 0, id, *seq_ptr);
      |                                            ^~~~~~~~~
src/trace.c:63:44: note: each undeclared identifier is reported only once for each function it appears in
src/trace.c: In function ‘send_probes6’:
src/trace.c:82:24: error: storage size of ‘header’ isn’t known
   82 |         struct icmphdr header;
      |                        ^~~~~~
src/trace.c:85:44: error: ‘ICMP_ECHO’ undeclared (first use in this function)
   85 |                 construct_icmphdr(&header, ICMP_ECHO, 0, id, *seq_ptr);
      |                                            ^~~~~~~~~
src/trace.c: In function ‘analize_packet’:
src/trace.c:148:40: error: invalid use of undefined type ‘struct icmphdr’
  148 |         returned_type = returned_icmp_p->type;
      |                                        ^~
src/trace.c:150:30: error: ‘ICMP_TIME_EXCEEDED’ undeclared (first use in this function)
  150 |         if (returned_type == ICMP_TIME_EXCEEDED) {
      |                              ^~~~~~~~~~~~~~~~~~
src/trace.c:152:41: error: invalid use of undefined type ‘struct icmphdr’
  152 |                 returned_id = old_icmp_p->un.echo.id;
      |                                         ^~
src/trace.c:153:42: error: invalid use of undefined type ‘struct icmphdr’
  153 |                 returned_seq = old_icmp_p->un.echo.sequence;
      |                                          ^~
src/trace.c:155:46: error: invalid use of undefined type ‘struct icmphdr’
  155 |                 returned_id = returned_icmp_p->un.echo.id;
      |                                              ^~
src/trace.c:156:47: error: invalid use of undefined type ‘struct icmphdr’
  156 |                 returned_seq = returned_icmp_p->un.echo.sequence;
      |                                               ^~
src/trace.c: In function ‘receive_packets’:
src/trace.c:185:87: error: ‘ICMP_ECHOREPLY’ undeclared (first use in this function)
  185 |                         if (returned_seq / probes_per_turn == ttl || returned_type == ICMP_ECHOREPLY) {
      |                                                                                       ^~~~~~~~~~~~~~
src/trace.c: In function ‘trace’:
src/trace.c:389:24: error: storage size of ‘header’ isn’t known
  389 |         struct icmphdr header;
      |                        ^~~~~~
src/trace.c:390:36: error: ‘ICMP_ECHO’ undeclared (first use in this function)
  390 |         construct_icmphdr(&header, ICMP_ECHO, 0, mypid, 0);
      |                                    ^~~~~~~~~
src/trace.c: In function ‘trace6’:
src/trace.c:433:24: error: storage size of ‘header’ isn’t known
  433 |         struct icmphdr header;
      |                        ^~~~~~
src/trace.c:434:36: error: ‘ICMP_ECHO’ undeclared (first use in this function)
  434 |         construct_icmphdr(&header, ICMP_ECHO, 0, mypid, 0);
      |                                    ^~~~~~~~~
make: *** [<builtin>: src/trace.o] Error 1

Shadow@F ~/src/ip2trace/ip2location-traceroute-master