patch partialy fix building on QNX 6.5

Build log:

    bash-4.2# ./configure 
    checking build system type... i386-pc-nto-qnx6.5.0
    checking host system type... i386-pc-nto-qnx6.5.0
    checking target system type... i386-pc-nto-qnx6.5.0
    checking for gcc... gcc
    checking for C compiler default output file name... a.out
    checking whether the C compiler works... yes
    checking whether we are cross compiling... no
    checking for suffix of executables... 
    checking for suffix of object files... o
    checking whether we are using the GNU C compiler... yes
    checking whether gcc accepts -g... yes
    checking for gcc option to accept ISO C89... none needed
    checking gcc version... 4
    checking for inline... inline
    checking for __attribute__... yes
    checking how to run the C preprocessor... gcc -E
    checking for grep that handles long lines and -e... /usr/bin/grep                                                                                                                                                                            
    checking for egrep... /usr/bin/grep -E                                                                                                                                                                                                       
    checking for ANSI C header files... yes                                                                                                                                                                                                      
    checking for sys/types.h... yes                                                                                                                                                                                                              
    checking for sys/stat.h... yes                                                                                                                                                                                                               
    checking for stdlib.h... yes                                                                                                                                                                                                                 
    checking for string.h... yes                                                                                                                                                                                                                 
    checking for memory.h... yes                                                                                                                                                                                                                 
    checking for strings.h... yes                                                                                                                                                                                                                
    checking for inttypes.h... yes                                                                                                                                                                                                               
    checking for stdint.h... yes                                                                                                                                                                                                                 
    checking for unistd.h... yes                                                                                                                                                                                                                 
    checking sys/bitypes.h usability... no                                                                                                                                                                                                       
    checking sys/bitypes.h presence... no                                                                                                                                                                                                        
    checking for sys/bitypes.h... no                                                                                                                                                                                                             
    checking for int8_t... yes                                                                                                                                                                                                                   
    checking for u_int8_t... no                                                                                                                                                                                                                  
    checking for int16_t... yes                                                                                                                                                                                                                  
    checking for u_int16_t... no                                                                                                                                                                                                                 
    checking for int32_t... yes                                                                                                                                                                                                                  
    checking for u_int32_t... no                                                                                                                                                                                                                 
    checking for int64_t... yes                                                                                                                                                                                                                  
    checking for u_int64_t... no                                                                                                                                                                                                                 
    checking for special C compiler options needed for large files... no                                                                                                                                                                         
    checking for _FILE_OFFSET_BITS value needed for large files... 64                                                                                                                                                                            
    checking for _LARGEFILE_SOURCE value needed for large files... no                                                                                                                                                                            
    checking sys/ioccom.h usability... no
    checking sys/ioccom.h presence... no
    checking for sys/ioccom.h... no
    checking sys/sockio.h usability... yes
    checking sys/sockio.h presence... yes
    checking for sys/sockio.h... yes
    checking limits.h usability... yes
    checking limits.h presence... yes
    checking for limits.h... yes
    checking paths.h usability... yes
    checking paths.h presence... yes
    checking for paths.h... yes
    checking linux/types.h usability... no
    checking linux/types.h presence... no
    checking for linux/types.h... no
    checking linux/if_packet.h usability... no
    checking linux/if_packet.h presence... no
    checking for linux/if_packet.h... no
    checking netpacket/packet.h usability... no
    checking netpacket/packet.h presence... no
    checking for netpacket/packet.h... no
    checking netpacket/if_packet.h usability... no
    checking netpacket/if_packet.h presence... no
    checking for netpacket/if_packet.h... no
    checking for net/pfvar.h... yes
    checking whether net/pfvar.h defines PF_NAT through PF_NORDR... yes
    checking for netinet/if_ether.h... yes
    checking for ANSI ioctl definitions... yes
    checking for strerror... yes
    checking for strlcpy... yes
    checking for vsnprintf... yes
    checking for snprintf... yes
    checking for library containing gethostbyname... -lsocket
    checking for library containing socket... none required
    checking for library containing putmsg... no
    checking for ether_hostton... yes
    checking whether ether_hostton is declared... yes
    checking if --disable-protochain option is specified... enabled
    checking packet capture type... bpf
    checking net/if_media.h usability... yes
    checking net/if_media.h presence... yes
    checking for net/if_media.h... yes
    checking whether the system supports zerocopy BPF... no
    checking for struct BPF_TIMEVAL... no
    checking for getifaddrs... yes
    checking ifaddrs.h usability... yes
    checking ifaddrs.h presence... yes
    checking for ifaddrs.h... yes
    checking for socklen_t... yes
    checking for getaddrinfo... yes
    checking whether to build optimizer debugging code... no
    checking whether to build parser debugging code... no
    checking whether we have DAG API headers... no (/usr/local/include)
    checking whether we have the DAG API... no
    checking whether we have Septel API... no
    checking whether we have Myricom Sniffer API... no (/opt/snf)
    checking for flex... flex
    checking for flex 2.4 or higher... yes
    checking for bison... bison
    checking for ranlib... ranlib
    checking for ar... ar
    checking if sockaddr struct has the sa_len member... yes
    checking if sockaddr_storage struct exists... yes
    checking if dl_hp_ppa_info_t struct has dl_module_id_1 member... no
    checking if unaligned accesses fail... no
    checking for USB sniffing support... no
    checking whether the platform could support netfilter sniffing... no
    configure: no Bluetooth sniffing support implemented for nto-qnx6.5.0
    configure: no CAN sniffing support implemented for nto-qnx6.5.0
    configure: no hardware timestamp support implemented for nto-qnx6.5.0
    checking for a BSD-compatible install... ./install-sh -c
    configure: creating ./config.status
    config.status: creating Makefile
    config.status: creating pcap-filter.manmisc
    config.status: creating pcap-linktype.manmisc
    config.status: creating pcap-tstamp.manmisc
    config.status: creating pcap-savefile.manfile
    config.status: creating pcap.3pcap
    config.status: creating pcap_compile.3pcap
    config.status: creating pcap_datalink.3pcap
    config.status: creating pcap_dump_open.3pcap
    config.status: creating pcap_list_datalinks.3pcap
    config.status: creating pcap_list_tstamp_types.3pcap
    config.status: creating pcap_open_dead.3pcap
    config.status: creating pcap_open_offline.3pcap
    config.status: creating pcap_set_tstamp_type.3pcap
    config.status: creating config.h
    config.status: config.h is unchanged
    bash-4.2# make 
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./pcap-bpf.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./fad-getad.c
    In file included from ./pcap/pcap.h:51,
                     from ./pcap-int.h:39,
                     from ./fad-getad.c:57:
    ./pcap/bpf.h:175:1: warning: "DLT_SLIP_BSDOS" redefined
    In file included from /usr/qnx650/target/qnx6/usr/include/net/if.h:118,
                     from ./fad-getad.c:48:
    /usr/qnx650/target/qnx6/usr/include/net/dlt.h:59:1: warning: this is the location of the previous definition
    In file included from ./pcap/pcap.h:51,
                     from ./pcap-int.h:39,
                     from ./fad-getad.c:57:
    ./pcap/bpf.h:176:1: warning: "DLT_PPP_BSDOS" redefined
    In file included from /usr/qnx650/target/qnx6/usr/include/net/if.h:118,
                     from ./fad-getad.c:48:
    /usr/qnx650/target/qnx6/usr/include/net/dlt.h:60:1: warning: this is the location of the previous definition
    if grep GIT ./VERSION >/dev/null; then \
                    read ver <./VERSION; \
                    echo $ver | tr -d '\012'; \
                    date +_%Y_%m_%d; \
            else \
                    cat ./VERSION; \
            fi | sed -e 's/.*/static const char pcap_version_string[] = "libpcap version &";/' > version.h
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./pcap.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./inet.c
    In file included from ./pcap/pcap.h:51,
                     from ./pcap-int.h:39,
                     from ./inet.c:79:
    ./pcap/bpf.h:175:1: warning: "DLT_SLIP_BSDOS" redefined
    In file included from /usr/qnx650/target/qnx6/usr/include/net/if.h:118,
                     from ./inet.c:60:
    /usr/qnx650/target/qnx6/usr/include/net/dlt.h:59:1: warning: this is the location of the previous definition
    In file included from ./pcap/pcap.h:51,
                     from ./pcap-int.h:39,
                     from ./inet.c:79:
    ./pcap/bpf.h:176:1: warning: "DLT_PPP_BSDOS" redefined
    In file included from /usr/qnx650/target/qnx6/usr/include/net/if.h:118,
                     from ./inet.c:60:
    /usr/qnx650/target/qnx6/usr/include/net/dlt.h:60:1: warning: this is the location of the previous definition
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./gencode.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./optimize.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./nametoaddr.c
    In file included from ./pcap/pcap.h:51,
                     from ./pcap-int.h:39,
                     from ./nametoaddr.c:78:
    ./pcap/bpf.h:175:1: warning: "DLT_SLIP_BSDOS" redefined
    In file included from /usr/qnx650/target/qnx6/usr/include/net/if.h:118,
                     from ./nametoaddr.c:61:
    /usr/qnx650/target/qnx6/usr/include/net/dlt.h:59:1: warning: this is the location of the previous definition
    In file included from ./pcap/pcap.h:51,
                     from ./pcap-int.h:39,
                     from ./nametoaddr.c:78:
    ./pcap/bpf.h:176:1: warning: "DLT_PPP_BSDOS" redefined
    In file included from /usr/qnx650/target/qnx6/usr/include/net/if.h:118,
                     from ./nametoaddr.c:61:
    /usr/qnx650/target/qnx6/usr/include/net/dlt.h:60:1: warning: this is the location of the previous definition
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./etherent.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./savefile.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./sf-pcap.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./sf-pcap-ng.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./pcap-common.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./bpf_image.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c ./bpf_dump.c
    ./runlex.sh flex -Ppcap_ -oscanner.c scanner.l
    bison -y -p pcap_ -d grammar.y
    mv y.tab.c grammar.c
    mv y.tab.h tokdefs.h
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c scanner.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -Dyylval=pcap_lval -c grammar.c
    rm -f bpf_filter.c
    ln -s ./bpf/net/bpf_filter.c bpf_filter.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c bpf_filter.c
    if grep GIT ./VERSION >/dev/null; then \
                    read ver <./VERSION; \
                    echo $ver | tr -d '\012'; \
                    date +_%Y_%m_%d; \
            else \
                    cat ./VERSION; \
            fi | sed -e 's/.*/char pcap_version[] = "&";/' > version.c
    gcc -O2 -I.  -DHAVE_CONFIG_H  -D_U_="__attribute__((unused))" -g -O2 -c version.c
    ar rc libpcap.a pcap-bpf.o fad-getad.o pcap.o inet.o gencode.o optimize.o nametoaddr.o etherent.o savefile.o sf-pcap.o sf-pcap-ng.o pcap-common.o bpf_image.o bpf_dump.o  scanner.o grammar.o bpf_filter.o version.o  
    ranlib libpcap.a
    ./config.status --file=pcap-config.tmp:./pcap-config.in
    config.status: creating pcap-config.tmp
    mv pcap-config.tmp pcap-config
    chmod a+x pcap-config