Re: Cannot find -lpcap when statically compiling a C project

[Jamie Bainbridge <jamie.bainbridge () gmail com>]

On 20 November 2015 at 17:39, Guy Harris <guy () alum mit edu> wrote:
> On Nov 19, 2015, at 4:35 PM, liu wen <caonimagongling () gmail com> wrote:
>
> > On Fri, Nov 20, 2015 at 12:52 AM, Guy Harris <guy () alum mit edu> wrote:
> >
> > > On Nov 19, 2015, at 3:29 PM, liu wen <caonimagongling () gmail com> wrote:
> > >
> > > > I want to statically compile a C project in a laptop(fedora), using command
> > > > line like:
> > > >
> > > > gcc -o myprogram -static main.c ... -levent -lpcap
> > > >
> > > > but I get error:
> > > >
> > > > /usr/bin/ld: cannot find -lpcap
> > > > /usr/bin/ld: cannot find -lc
> > > >
> > > > I tried to locate libpcap.a and find no such a file
> > >
> > > See if there are libpcap RPMs that you haven't installed, perhaps one with a name like "libpcap-dev" or something 
> > > with "-dev" in the name, although usually "-dev" packages include both static libraries and header files, so 
> > > without the "-dev" package you won't be able to compile anything.  Perhaps Fedora has separate packages for the 
> > > libpcap runtime (shared libraries), libpcap development (headers), and libpcap static libraries.
> >
> > # locate libpcap-dev
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/changed_by
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/checksum_data
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/checksum_type
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/command_line
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/from_repo
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/from_repo_revision
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/from_repo_timestamp
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/installed_by
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/reason
> > /var/lib/yum/yumdb/l/75ed44a0adeee36906852424e93dafd3a950ae77-libpcap-devel-1.3.0-2.fc18-x86_64/releasever
> >
> > what commands/steps should I follow so as to get the libpcap.a?
>
> You might have to build it from source, because the Fedora people don't like static libraries:
>
>         https://fedoraproject.org/wiki/Packaging:Guidelines#Packaging_Static_Libraries
>
>         https://bugzilla.redhat.com/show_bug.cgi?id=248813
>
> > > However, "cannot find -lc" means it also doesn't have a static version of libc, so you'll also have to find a 
> > > Fedora package with a static version of libc.
> >
> > how can I find a static version of libc?
>
> You might have to build it from source, because the Fedora people don't like static libraries.
>
> However, they might have decided to allow a static version of libc:
>
>         http://www.xinotes.net/notes/note/1025/
>
> If that works, try looking for a libpcap-static package, but there might not be one.

Fedora has glibc-static, but no libpcap-static.
_______________________________________________
tcpdump-workers mailing list
tcpdump-workers () lists tcpdump org
https://lists.sandelman.ca/mailman/listinfo/tcpdump-workers