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Message #01345
Re: [Question #234832]: compilation error
Question #234832 on rohc changed:
https://answers.launchpad.net/rohc/+question/234832
Status: Needs information => Open
manish shivare gave more information on the question:
thank u for reply. but i still found the same problem.
this is log
manish@manish-HP-630-Notebook-PC:~$ cat test_pcap.c#include <pcap/pcap.h>
int main(int argc, char *argv[])
{
pcap_t *handle;
handle = pcap_open_dead(DLT_LINUX_SLL, 5);
pcap_close(handle);
return 0;
}
manish@manish-HP-630-Notebook-PC:~$ gcc -Wl,--verbose -o test_pca-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:
==================================================
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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");
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==================================================
attempt to open
/usr/lib/gcc/i686-linux-gnu/4.7/../../../i386-linux-gnu/crt1.o succeeded
/usr/lib/gcc/i686-linux-gnu/4.7/../../../i386-linux-gnu/crt1.o
attempt to open
/usr/lib/gcc/i686-linux-gnu/4.7/../../../i386-linux-gnu/crti.o succeeded
/usr/lib/gcc/i686-linux-gnu/4.7/../../../i386-linux-gnu/crti.o
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/crtbegin.o succeeded
/usr/lib/gcc/i686-linux-gnu/4.7/crtbegin.o
attempt to open /tmp/ccvbPF0j.o succeeded
/tmp/ccvbPF0j.o
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/libgcc.so failed
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/libgcc.a succeeded
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/libgcc_s.so succeeded
-lgcc_s (/usr/lib/gcc/i686-linux-gnu/4.7/libgcc_s.so)
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/libc.so failed
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/libc.a failed
attempt to open
/usr/lib/gcc/i686-linux-gnu/4.7/../../../i386-linux-gnu/libc.so succeeded
opened script file
/usr/lib/gcc/i686-linux-gnu/4.7/../../../i386-linux-gnu/libc.so
opened script file
/usr/lib/gcc/i686-linux-gnu/4.7/../../../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/4.7/libgcc.so failed
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/libgcc.a succeeded
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/libgcc_s.so succeeded
-lgcc_s (/usr/lib/gcc/i686-linux-gnu/4.7/libgcc_s.so)
attempt to open /usr/lib/gcc/i686-linux-gnu/4.7/crtend.o succeeded
/usr/lib/gcc/i686-linux-gnu/4.7/crtend.o
attempt to open
/usr/lib/gcc/i686-linux-gnu/4.7/../../../i386-linux-gnu/crtn.o succeeded
/usr/lib/gcc/i686-linux-gnu/4.7/../../../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/ccvbPF0j.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
i am also try another program its working is fine. i am providing a log
manish@manish-HP-630-Notebook-PC:~$ cat test.c
#include <stdio.h>
#include <pcap.h>
int main(int argc, char *argv[])
{
char *dev, errbuf[PCAP_ERRBUF_SIZE];
dev = pcap_lookupdev(errbuf);
if (dev == NULL) {
fprintf(stderr, "Couldn't find default device: %s\n", errbuf);
return(2);
}
printf("Device: %s\n", dev);
return(0);
}
manish@manish-HP-630-Notebook-PC:~$ gcc test.c -lpcap
manish@manish-HP-630-Notebook-PC:~$ sudo ./a.out
[sudo] password for manish:
Device: eth0
waiting for your reply
On Sun, Sep 8, 2013 at 1:56 PM, Didier Barvaux <
question234832@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Question #234832 on rohc changed:
> https://answers.launchpad.net/rohc/+question/234832
>
> Status: Open => Needs information
>
> Didier Barvaux requested more information:
> Thanks. The problem was probably not caused by the previous
> installation. It may be either a global problem with your system (gcc,
> ld...) or a specific problem with librohc. Let's try to build a small
> application that links with another library, libpcap.
>
> $ sudo apt-get install libpcap libpcap-dev # if not already installed
> $ cat > test_pcap.c << EOF
> > #include <pcap/pcap.h>
> >
> > int main(int argc, char *argv[])
> > {
> > pcap_t *handle;
> > handle = pcap_open_dead(DLT_LINUX_SLL, 5);
> > pcap_close(handle);
> > return 0;
> > }
> > EOF
> $ gcc -Wl,--verbose -o test_pcap -lpcap test_pcap.c
> $ file test_pcap
> $ ldd test_pcap
>
> Regards,
> Didier
>
> --
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> Team, which is an answer contact for rohc.
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