Question #234832 on rohc changed: https://answers.launchpad.net/rohc/+question/234832
manish shivare gave more information on the question: and i also try the syntax which is given on http://rohc-lib.org/wiki/doku.php?id=library-first-application. log is - manish@manish-HP-630-Notebook-PC:~/rohc_first_application$ gcc -o rohc_first_application -g -Wall $( PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/ pkg-config rohc --libs --cflags ) rohc_first_application.c rohc_first_application.c: In function ‘main’: rohc_first_application.c:101:2: warning: implicit declaration of function ‘rohc_comp_new’ [-Wimplicit-function-declaration] compressor = rohc_comp_new(ROHC_SMALL_CID, ROHC_SMALL_CID_MAX); ^ rohc_first_application.c:101:13: warning: assignment makes pointer from integer without a cast [enabled by default] compressor = rohc_comp_new(ROHC_SMALL_CID, ROHC_SMALL_CID_MAX); ^ rohc_first_application.c:119:2: warning: implicit declaration of function ‘rohc_comp_enable_profile’ [-Wimplicit-function-declaration] if(!rohc_comp_enable_profile(compressor, ROHC_PROFILE_UNCOMPRESSED)) ^ rohc_first_application.c:131:2: warning: implicit declaration of function ‘rohc_comp_enable_profiles’ [-Wimplicit-function-declaration] if(!rohc_comp_enable_profiles(compressor, ROHC_PROFILE_UDP, ^ rohc_first_application.c:187:2: warning: implicit declaration of function ‘rohc_compress3’ [-Wimplicit-function-declaration] ret = rohc_compress3(compressor, arrival_time, ip_packet, ip_packet_len, ^ rohc_first_application.c:238:2: warning: implicit declaration of function ‘rohc_comp_free’ [-Wimplicit-function-declaration] rohc_comp_free(compressor); ^ /tmp/cctkfFbq.o: In function `main': /home/manish/rohc_first_application/rohc_first_application.c:101: undefined reference to `rohc_comp_new' /home/manish/rohc_first_application/rohc_first_application.c:110: undefined reference to `rohc_comp_set_random_cb' /home/manish/rohc_first_application/rohc_first_application.c:119: undefined reference to `rohc_comp_enable_profile' /home/manish/rohc_first_application/rohc_first_application.c:124: undefined reference to `rohc_comp_enable_profile' /home/manish/rohc_first_application/rohc_first_application.c:131: undefined reference to `rohc_comp_enable_profiles' /home/manish/rohc_first_application/rohc_first_application.c:187: undefined reference to `rohc_compress3' /home/manish/rohc_first_application/rohc_first_application.c:238: undefined reference to `rohc_comp_free' /home/manish/rohc_first_application/rohc_first_application.c:250: undefined reference to `rohc_comp_free' collect2: error: ld returned 1 exit status On Thu, Sep 12, 2013 at 11:57 PM, manish <[email protected]> wrote: > hello sir, > sorry for bothering you. > but suggested all command is given same output only below command compile. > > manish@manish-HP-630-Notebook-PC:~$ gcc -Wall test_pcap.c -o test_pcap > -lpcap > manish@manish-HP-630-Notebook-PC:~$ sudo file test_pcap > [sudo] password for manish: > test_pcap: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), > dynamically linked (uses shared libs), for GNU/Linux 2.6.24, > BuildID[sha1]=0x85c5248439361f209038fbf5686d4c536e3a3dca, not stripped > the output of command is correct or not? > because i don't know what is the output of the test_pcap.c > and you are not providing any suggestion for running rohc my major concern > on rohc library not pcap library. > i only want to use rohc library for compression and decompression of my > self created pkt. > i don't want to capture network traffic. so please suggest me how to > compile sample_rohc_program.c. > In my system linker problem is found so please suggest me how to resolve > it manual linker command. > if you provide syntax of command it is very helpful for me. > thank you. > > > On Tue, Sep 10, 2013 at 11:11 PM, manish shivare < > [email protected]> wrote: > >> Question #234832 on rohc changed: >> https://answers.launchpad.net/rohc/+question/234832 >> >> Status: Needs information => Open >> >> manish shivare gave more information on the question: >> thanks for reply, >> i am providing log of both command. >> manish@manish-HP-630-Notebook-PC:~$ gcc -Wl,--verbose -o test_pcap -lpcap >> test_pcap.c >> GNU ld (GNU Binutils for Ubuntu) 2.22.90.20120924 >> Supported emulations: >> elf_i386 >> i386linux >> elf32_x86_64 >> elf_x86_64 >> elf_l1om >> elf_k1om >> using internal linker script: >> ================================================== >> /* Script for -z combreloc: combine and sort reloc sections */ >> OUTPUT_FORMAT("elf32-i386", "elf32-i386", >> "elf32-i386") >> OUTPUT_ARCH(i386) >> ENTRY(_start) >> SEARCH_DIR("/usr/i686-linux-gnu/lib32"); SEARCH_DIR("=/usr/local/lib32"); >> SEARCH_DIR("=/lib32"); SEARCH_DIR("=/usr/lib32"); >> SEARCH_DIR("=/usr/local/lib/i386-linux-gnu"); >> SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib/i386-linux-gnu"); >> SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib/i386-linux-gnu"); >> SEARCH_DIR("=/usr/lib"); >> SECTIONS >> { >> /* Read-only sections, merged into text segment: */ >> PROVIDE (__executable_start = SEGMENT_START("text-segment", >> 0x08048000)); >> . = SEGMENT_START("text-segment", 0x08048000) + SIZEOF_HEADERS; >> .interp : { *(.interp) } >> .note.gnu.build-id : { *(.note.gnu.build-id) } >> .hash : { *(.hash) } >> .gnu.hash : { *(.gnu.hash) } >> .dynsym : { *(.dynsym) } >> .dynstr : { *(.dynstr) } >> .gnu.version : { *(.gnu.version) } >> .gnu.version_d : { *(.gnu.version_d) } >> .gnu.version_r : { *(.gnu.version_r) } >> .rel.dyn : >> { >> *(.rel.init) >> *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) >> *(.rel.fini) >> *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) >> *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*) >> *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) >> *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) >> *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) >> *(.rel.ctors) >> *(.rel.dtors) >> *(.rel.got) >> *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) >> *(.rel.ifunc) >> } >> .rel.plt : >> { >> *(.rel.plt) >> PROVIDE_HIDDEN (__rel_iplt_start = .); >> *(.rel.iplt) >> PROVIDE_HIDDEN (__rel_iplt_end = .); >> } >> .init : >> { >> KEEP (*(SORT_NONE(.init))) >> } >> .plt : { *(.plt) *(.iplt) } >> .text : >> { >> *(.text.unlikely .text.*_unlikely) >> *(.text.exit .text.exit.*) >> *(.text.startup .text.startup.*) >> *(.text.hot .text.hot.*) >> *(.text .stub .text.* .gnu.linkonce.t.*) >> /* .gnu.warning sections are handled specially by elf32.em. */ >> *(.gnu.warning) >> } >> .fini : >> { >> KEEP (*(SORT_NONE(.fini))) >> } >> PROVIDE (__etext = .); >> PROVIDE (_etext = .); >> PROVIDE (etext = .); >> .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >> .rodata1 : { *(.rodata1) } >> .eh_frame_hdr : { *(.eh_frame_hdr) } >> .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } >> .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table >> .gcc_except_table.*) } >> /* These sections are generated by the Sun/Oracle C++ compiler. */ >> .exception_ranges : ONLY_IF_RO { *(.exception_ranges >> .exception_ranges*) } >> /* Adjust the address for the data segment. We want to adjust up to >> the same address within the page on the next page up. */ >> . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & >> (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT >> (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); >> /* Exception handling */ >> .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } >> .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table >> .gcc_except_table.*) } >> .exception_ranges : ONLY_IF_RW { *(.exception_ranges >> .exception_ranges*) } >> /* Thread Local Storage sections */ >> .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >> .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >> .preinit_array : >> { >> PROVIDE_HIDDEN (__preinit_array_start = .); >> KEEP (*(.preinit_array)) >> PROVIDE_HIDDEN (__preinit_array_end = .); >> } >> .init_array : >> { >> PROVIDE_HIDDEN (__init_array_start = .); >> KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) >> SORT_BY_INIT_PRIORITY(.ctors.*))) >> KEEP (*(.init_array)) >> KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) >> .ctors)) >> PROVIDE_HIDDEN (__init_array_end = .); >> } >> .fini_array : >> { >> PROVIDE_HIDDEN (__fini_array_start = .); >> KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) >> SORT_BY_INIT_PRIORITY(.dtors.*))) >> KEEP (*(.fini_array)) >> KEEP (*(EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) >> .dtors)) >> PROVIDE_HIDDEN (__fini_array_end = .); >> } >> .ctors : >> { >> /* gcc uses crtbegin.o to find the start of >> the constructors, so we make sure it is >> first. Because this is a wildcard, it >> doesn't matter if the user does not >> actually link against crtbegin.o; the >> linker won't look for a file to match a >> wildcard. The wildcard also means that it >> doesn't matter which directory crtbegin.o >> is in. */ >> KEEP (*crtbegin.o(.ctors)) >> KEEP (*crtbegin?.o(.ctors)) >> /* We don't want to include the .ctor section from >> the crtend.o file until after the sorted ctors. >> The .ctor section from the crtend file contains the >> end of ctors marker and it must be last */ >> KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) >> KEEP (*(SORT(.ctors.*))) >> KEEP (*(.ctors)) >> } >> .dtors : >> { >> KEEP (*crtbegin.o(.dtors)) >> KEEP (*crtbegin?.o(.dtors)) >> KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) >> KEEP (*(SORT(.dtors.*))) >> KEEP (*(.dtors)) >> } >> .jcr : { KEEP (*(.jcr)) } >> .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) >> *(. >> data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) } >> .dynamic : { *(.dynamic) } >> .got : { *(.got) *(.igot) } >> . = DATA_SEGMENT_RELRO_END (SIZEOF (.got.plt) >= 12 ? 12 : 0, .); >> .got.plt : { *(.got.plt) *(.igot.plt) } >> .data : >> { >> *(.data .data.* .gnu.linkonce.d.*) >> SORT(CONSTRUCTORS) >> } >> .data1 : { *(.data1) } >> _edata = .; PROVIDE (edata = .); >> . = .; >> __bss_start = .; >> .bss : >> { >> *(.dynbss) >> *(.bss .bss.* .gnu.linkonce.b.*) >> *(COMMON) >> /* Align here to ensure that the .bss section occupies space up to >> _end. Align after .bss to ensure correct alignment even if the >> .bss section disappears because there are no input sections. >> FIXME: Why do we need it? When there is no .bss section, we don't >> pad the .data section. */ >> . = ALIGN(. != 0 ? 32 / 8 : 1); >> } >> . = ALIGN(32 / 8); >> . = ALIGN(32 / 8); >> _end = .; PROVIDE (end = .); >> . = DATA_SEGMENT_END (.); >> /* Stabs debugging sections. */ >> .stab 0 : { *(.stab) } >> .stabstr 0 : { *(.stabstr) } >> .stab.excl 0 : { *(.stab.excl) } >> .stab.exclstr 0 : { *(.stab.exclstr) } >> .stab.index 0 : { *(.stab.index) } >> .stab.indexstr 0 : { *(.stab.indexstr) } >> .comment 0 : { *(.comment) } >> /* DWARF debug sections. >> Symbols in the DWARF debugging sections are relative to the beginning >> of the section so we begin them at 0. */ >> /* DWARF 1 */ >> .debug 0 : { *(.debug) } >> .line 0 : { *(.line) } >> /* GNU DWARF 1 extensions */ >> .debug_srcinfo 0 : { *(.debug_srcinfo) } >> .debug_sfnames 0 : { *(.debug_sfnames) } >> /* DWARF 1.1 and DWARF 2 */ >> .debug_aranges 0 : { *(.debug_aranges) } >> .debug_pubnames 0 : { *(.debug_pubnames) } >> /* DWARF 2 */ >> .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } >> .debug_abbrev 0 : { *(.debug_abbrev) } >> .debug_line 0 : { *(.debug_line) } >> .debug_frame 0 : { *(.debug_frame) } >> .debug_str 0 : { *(.debug_str) } >> .debug_loc 0 : { *(.debug_loc) } >> .debug_macinfo 0 : { *(.debug_macinfo) } >> /* SGI/MIPS DWARF 2 extensions */ >> .debug_weaknames 0 : { *(.debug_weaknames) } >> .debug_funcnames 0 : { *(.debug_funcnames) } >> .debug_typenames 0 : { *(.debug_typenames) } >> .debug_varnames 0 : { *(.debug_varnames) } >> /* DWARF 3 */ >> .debug_pubtypes 0 : { *(.debug_pubtypes) } >> .debug_ranges 0 : { *(.debug_ranges) } >> /* DWARF Extension. */ >> .debug_macro 0 : { *(.debug_macro) } >> .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } >> /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } >> } >> >> >> ================================================== >> attempt to open >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crt1.o succeeded >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crt1.o >> attempt to open >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crti.o succeeded >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crti.o >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/crtbegin.o succeeded >> /usr/lib/gcc/i686-linux-gnu/4.8/crtbegin.o >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libpcap.so failed >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libpcap.a failed >> attempt to open >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libpcap.so >> succeeded >> -lpcap >> (/usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libpcap.so) >> attempt to open /tmp/ccWKcRXK.o succeeded >> /tmp/ccWKcRXK.o >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libgcc.so failed >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libgcc.a succeeded >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libgcc_s.so succeeded >> -lgcc_s (/usr/lib/gcc/i686-linux-gnu/4.8/libgcc_s.so) >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libc.so failed >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libc.a failed >> attempt to open >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libc.so succeeded >> opened script file >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libc.so >> opened script file >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/libc.so >> attempt to open /lib/i386-linux-gnu/libc.so.6 succeeded >> /lib/i386-linux-gnu/libc.so.6 >> attempt to open /usr/lib/i386-linux-gnu/libc_nonshared.a succeeded >> (/usr/lib/i386-linux-gnu/libc_nonshared.a)elf-init.oS >> attempt to open /lib/i386-linux-gnu/ld-linux.so.2 succeeded >> /lib/i386-linux-gnu/ld-linux.so.2 >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libgcc.so failed >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libgcc.a succeeded >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/libgcc_s.so succeeded >> -lgcc_s (/usr/lib/gcc/i686-linux-gnu/4.8/libgcc_s.so) >> attempt to open /usr/lib/gcc/i686-linux-gnu/4.8/crtend.o succeeded >> /usr/lib/gcc/i686-linux-gnu/4.8/crtend.o >> attempt to open >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crtn.o succeeded >> /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crtn.o >> ld-linux.so.2 needed by /lib/i386-linux-gnu/libc.so.6 >> found ld-linux.so.2 at /lib/i386-linux-gnu/ld-linux.so.2 >> /tmp/ccWKcRXK.o: In function `main': >> test_pcap.c:(.text+0x19): undefined reference to `pcap_open_dead' >> test_pcap.c:(.text+0x29): undefined reference to `pcap_close' >> collect2: error: ld returned 1 exit status >> output of second command >> manish@manish-HP-630-Notebook-PC:~$ gcc -Wall test_pcap.c -o test_pcap >> -lpcap >> manish@manish-HP-630-Notebook-PC:~$ file test_pcap >> test_pcap: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), >> dynamically linked (uses shared libs), for GNU/Linux 2.6.24, >> BuildID[sha1]=0x85c5248439361f209038fbf5686d4c536e3a3dca, not stripped >> manish@manish-HP-630-Notebook-PC:~$ ldd test_pcap >> linux-gate.so.1 => (0xb779b000) >> libpcap.so.0.8 => /usr/lib/i386-linux-gnu/libpcap.so.0.8 (0xb7748000) >> libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xb759e000) >> /lib/ld-linux.so.2 (0xb779c000) >> second command log is compile the program properly. >> any suggestion regrading this. >> and you did not given any advise for my previous query about compiling >> librohc. >> i am waiting for your reply. >> >> >> >> On Tue, Sep 10, 2013 at 10:31 PM, Didier Barvaux < >> [email protected]> wrote: >> >> > Question #234832 on rohc changed: >> > https://answers.launchpad.net/rohc/+question/234832 >> > >> > Status: Open => Needs information >> > >> > Didier Barvaux requested more information: >> > Hello, >> > >> > Do you mean that the command below does not work: >> > $ gcc -Wl,--verbose -o test_pcap -lpcap test_pcap.c >> > >> > And the command below works: >> > $ gcc -Wall test_pcap.c -o test_pcap -lpcap >> > >> > with the same content in the test_pcap.c file? >> > >> > Regards, >> > Didier >> > >> > -- >> > You received this question notification because you are a member of ROHC >> > Team, which is an answer contact for rohc. >> > >> > _______________________________________________ >> > Mailing list: https://launchpad.net/~rohc >> > Post to : [email protected] >> > Unsubscribe : https://launchpad.net/~rohc >> > More help : https://help.launchpad.net/ListHelp >> > >> >> -- >> You received this question notification because you are a member of ROHC >> Team, which is an answer contact for rohc. >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~rohc >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~rohc >> More help : https://help.launchpad.net/ListHelp >> > > -- You received this question notification because you are a member of ROHC Team, which is an answer contact for rohc. _______________________________________________ Mailing list: 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