[root@resolute sancp-1.6.1-stable]# make linux make[1]: Entering directory `/usr/src/sancp/sancp-1.6.1-stable' g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c build_acl.cc -o build_acl.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c misc_functs.cc -o misc_functs.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c outputFileHandle.cc -o outputFileHandle.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c apply_rule.cc -o apply_rule.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c decode.cc -o decode.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c fileHandle.cc -o fileHandle.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c MemoryPool.cc -o MemoryPool.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c pcapFileHandle.cc -o pcapFileHandle.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c sancp.cc -o sancp.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done gcc -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c pcap_functions.c -o pcap_functions.o pcap_functions.c: In function `apply_filter': pcap_functions.c:78: warning: implicit declaration of function `htonl' gcc: -rpath: linker input file unused because linking not done gcc: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c permissions.cc -o permissions.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c check_packet.cc -o check_packet.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c statefull_logging.cc -o statefull_logging.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done g++ -Wall -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -c help.cc -o help.o g++: -rpath: linker input file unused because linking not done g++: /usr/local/libpcap/lib: linker input file unused because linking not done make[1]: Leaving directory `/usr/src/sancp/sancp-1.6.1-stable' g++ -Wall -lresolv -lnsl -lpcap -L/usr/lib/libpcap.so.0.6.2 -O3 -s -I/usr/local/libpcap/include -L/usr/local/libpcap/lib -Xlinker -rpath -Xlinker /usr/local/libpcap/lib -o sancp sancp.o misc_functs.o check_packet.o statefull_logging.o build_acl.o apply_rule.o decode.o pcap_functions.o pcapFileHandle.o fileHandle.o MemoryPool.o permissions.o outputFileHandle.o help.o pcap_functions.o(.text+0x39): In function `apply_filter': : undefined reference to `pcap_compile' pcap_functions.o(.text+0x4c): In function `apply_filter': : undefined reference to `pcap_setfilter' pcap_functions.o(.text+0x6c): In function `apply_filter': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0x8d): In function `apply_filter': : undefined reference to `pcap_setfilter' pcap_functions.o(.text+0xa0): In function `apply_filter': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0xe6): In function `open_pcap_live': : undefined reference to `pcap_open_live' pcap_functions.o(.text+0x115): In function `open_pcap_live': : undefined reference to `pcap_compile' pcap_functions.o(.text+0x128): In function `open_pcap_live': : undefined reference to `pcap_setfilter' pcap_functions.o(.text+0x145): In function `open_pcap_live': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0x180): In function `open_pcap_live': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0x1a5): In function `open_pcap_live': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0x1e9): In function `open_pcap_file': : undefined reference to `pcap_open_offline' pcap_functions.o(.text+0x218): In function `open_pcap_file': : undefined reference to `pcap_compile' pcap_functions.o(.text+0x22b): In function `open_pcap_file': : undefined reference to `pcap_setfilter' pcap_functions.o(.text+0x24b): In function `open_pcap_file': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0x286): In function `open_pcap_file': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0x2ab): In function `open_pcap_file': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0x2df): In function `start_pcap_loop': : undefined reference to `pcap_loop' pcap_functions.o(.text+0x2f5): In function `start_pcap_loop': : undefined reference to `pcap_geterr' pcap_functions.o(.text+0xc): In function `close_pcap_file': : undefined reference to `pcap_close' collect2: ld returned 1 exit status make: *** [linux] Error 1