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=pod
=encoding utf8
=head1 NAME
libnet-config - script to get information about, and for linking against libnet
=head1 SYNOPSIS
B<libnet-config [--help] | [--version] | [--prefix] | [--libs --cflags --defines]>
=head1 DESCRIPTION
libnet-config tells the application programmer what flags to use to compile and
link programs against an installed L<libnet> library.
An alternative (and perhaps more convenient) method of retrieving the various
configuration information needed to compile programs that use libnet is to use
the L<pkg-config(1)> program. Pkg-config support was added in version 1.2.
Both methods write to standard output the flags that should be used to compile
and link programs that use libnet.
=head1 OPTIONS
=over 8
=item B<--help>
Print a usage message and exit. This is the default behavior when no options are
specified.
=item B<--version>
Print version information and exit.
=item B<--libs>
Print the linker flags (LDFLAGS) that are necessary to link a programs with
libnet.
=item B<--cflags>
Print the compiler options (CFLAGS) to use when compiling files that use libnet.
Currently that is only the include path to the libnet include files.
=item B<--defines>
Print the pre-processor definitions libnet was compiler with.
=item B<--prefix>
Print the prefix used when libnet was installed. The prefix can be set during
the build process with "configure --prefix".
=back
=head1 EXAMPLES
To print all linker options needed when linking with libnet, use
B<C<libnet-config --libs>>
To build the singe-file C program 'prog' against the libnet library, use
B<C<gcc $(libnet-config --cflags --defines --libs) progr.c -o progr>>
The same in a Makefile:
B<CFLAGS+=$(shell libnet-config --cflags --defines )>
B<LDFLAGS+=$(shell libnet-config --libs)>
B<all: prog>
To build a dynamically loadable libnet module, use
B<C<gcc $(libnet-config --cflags --defines --libs) -shared -fPIC progr.cpp -o progr.so>>
Note that libnet-config can also be called from 'configure' scripts.
=head1 SEE ALSO
L<libnet(3)>, L<pkg-config(1)>
=head1 AUTHORS
This manual page was written by Ali Abdulkadir <autostart.ini@gmail.com>
=cut
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