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Irssi installation instructions
-------------------------------
To compile irssi you need:
- glib-2.6 or greater
- pkg-config
- openssl (for ssl support)
- perl-5.005 or greater (for perl support)
For most people, this should work just fine:
./configure
make
su
make install (not _really_ required except for perl support)
You may want to give some parameters to configure, here's the most
commonly used ones:
--prefix - Specifies the path where irssi will be installed.
YES, you can install irssi WITHOUT ROOT permissions
by using --prefix=/home/dir
--with-proxy - Build the irssi proxy (see startup-HOWTO).
--enable-ipv6 - Enable IPv6 support. If you want irssi to prefer
IPv6 for hosts that have both v4 and v6 addresses,
use /SET resolve_prefer_ipv6 ON. You can also override
this with /SERVER -4 or -6 options.
If ncurses is installed in a non-standard path you can specify it with
--with-ncurses=/path. If anything else is in non-standard path, you can just
give the paths in CPPFLAGS and LIBS environment variable, eg.:
CPPFLAGS=-I/opt/openssl/include LDFLAGS=-L/opt/openssl/lib ./configure
Irssi doesn't really need curses anymore, by default it uses
terminfo/termcap directly. The functions for using terminfo/termcap
however are usually only in curses library, some systems use libtermcap
as well. If you want to use only curses calls for some reason, use
--without-terminfo.
Perl problems
-------------
Perl support generates most of the problems. There's quite a many
things that can go wrong:
- Compiling fails if you compile irssi with GCC in a system that has
perl compiled with some other C compiler. Very common problem with
non-Linux/BSD systems. You'll need to edit src/perl/*/Makefile files
and remove the parameters that gcc doesn't like. Mostly you'll just
need to keep the -I and -D parameters and add -fPIC.
- If there's any weird crashing at startup, you might have older irssi's
perl libraries installed somewhere, and you should remove those.
- Dynamic libraries don't want to work with some systems, so if your
system complains about some missing symbol in Irssi.so file, configure
irssi with --with-perl-staticlib option (NOT same as --with-perl=static).
- If configure complains that it doesn't find some perl stuff, you're
probably missing libperl.so or libperl.a. In debian, you'll need to do
apt-get install libperl-dev
You can verify that the perl module is loaded and working with "/LOAD"
command. It should print something like:
Module Type Submodules
...
perl static core fe
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