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General hint: if you get compile errors, then likely your configuration
hasn't been tested well. Either try with "--enable-everything" or use
the default configuration (i.e. no "--enable-xxx" or "--disable-xxx"
switches). Of course, you should always report when a combination
doesn't work, so it can be fixed. Marc Lehmann <>.
Add (or remove) support for all non-multichoice options listed in
"./configure --help", except for "--enable-assert" and
You can specify this and then disable options you do not like by
*following* this with the appropriate "--disable-..." arguments, or
you can start with a minimal configuration by specifying
"--disable-everything" and than adding just the "--enable-..."
arguments you want.
--enable-xft (default: on)
Add support for Xft (anti-aliased, among others) fonts. Xft fonts
are slower and require lots of memory, but as long as you don't use
them, you don't pay for them.
--enable-font-styles (default: on)
Add support for bold, *italic* and *bold italic* font styles. The
fonts can be set manually or automatically.
--with-codesets=CS,... (default: all)
Compile in support for additional codeset (encoding) groups ("eu",
"vn" are always compiled in, which includes most 8-bit character
sets). These codeset tables are used for driving X11 core fonts,
they are not required for Xft fonts, although having them compiled
in lets rxvt-unicode choose replacement fonts more intelligently.
Compiling them in will make your binary bigger (all of together cost
about 700kB), but it doesn't increase memory usage unless you use a
font requiring one of these encodings.
all all available codeset groups
zh common chinese encodings
zh_ext rarely used but very big chinese encodings
jp common japanese encodings
jp_ext rarely used but big japanese encodings
kr korean encodings
--enable-xim (default: on)
Add support for XIM (X Input Method) protocol. This allows using
alternative input methods (e.g. kinput2) and will also correctly set
up the input for people using dead keys or compose keys.
--enable-unicode3 (default: off)
Recommended to stay off unless you really need non-BMP characters.
Enable direct support for displaying unicode codepoints above 65535
(the basic multilingual page). This increases storage requirements
per character from 2 to 4 bytes. X11 fonts do not yet support these
extra characters, but Xft does.
Please note that rxvt-unicode can store unicode code points >65535
even without this flag, but the number of such characters is limited
to a few thousand (shared with combining characters, see next
switch), and right now rxvt-unicode cannot display them
(input/output and cut&paste still work, though).
--enable-combining (default: on)
Enable automatic composition of combining characters into composite
characters. This is required for proper viewing of text where
accents are encoded as separate unicode characters. This is done by
using precomposed characters when available or creating new
pseudo-characters when no precomposed form exists.
Without --enable-unicode3, the number of additional precomposed
characters is somewhat limited (the 6400 private use characters will
be (ab-)used). With --enable-unicode3, no practical limit exists.
This option will also enable storage (but not display) of characters
beyond plane 0 (>65535) when --enable-unicode3 was not specified.
The combining table also contains entries for arabic presentation
forms, but these are not currently used. Bug me if you want these to
be used (and tell me how these are to be used...).
--enable-fallback[=CLASS] (default: Rxvt)
When reading resource settings, also read settings for class CLASS.
To disable resource fallback use --disable-fallback.
--with-res-name=NAME (default: urxvt)
Use the given name as default application name when reading
resources. Specify --with-res-name=rxvt to replace rxvt.
--with-res-class=CLASS (default: URxvt)
Use the given class as default application class when reading
resources. Specify --with-res-class=Rxvt to replace rxvt.
--enable-utmp (default: on)
Write user and tty to utmp file (used by programs like w) at start
of rxvt execution and delete information when rxvt exits.
--enable-wtmp (default: on)
Write user and tty to wtmp file (used by programs like last) at
start of rxvt execution and write logout when rxvt exits. This
option requires --enable-utmp to also be specified.
--enable-lastlog (default: on)
Write user and tty to lastlog file (used by programs like lastlogin)
at start of rxvt execution. This option requires --enable-utmp to
also be specified.
--enable-pixbuf (default: on)
Add support for GDK-PixBuf to be used for background images. It adds
support for many file formats including JPG, PNG, TIFF, GIF, XPM,
--enable-startup-notification (default: on)
Add support for freedesktop startup notifications. This allows
window managers to display some kind of progress indicator during
--enable-transparency (default: on)
Add support for using the root pixmap as background to simulate
transparency. Note that this feature depends on libXrender and on
the availability of the RENDER extension in the X server.
--enable-fading (default: on)
Add support for fading the text when focus is lost.
--enable-rxvt-scroll (default: on)
Add support for the original rxvt scrollbar.
--enable-next-scroll (default: on)
Add support for a NeXT-like scrollbar.
--enable-xterm-scroll (default: on)
Add support for an Xterm-like scrollbar.
Removes any handling of the backspace key by us - let the X server
do it.
Removes any handling of the delete key by us - let the X server do
Removes any support for resource checking.
Remove support for secondary/swap screen.
--enable-frills (default: on)
Add support for many small features that are not essential but nice
to have. Normally you want this, but for very small binaries you may
want to disable this.
A non-exhaustive list of features enabled by "--enable-frills"
(possibly in combination with other switches) is:
EWMH-hints (pid, utf8 names) and protocols (ping)
urgency hint
separate underline colour (-underlineColor)
settable border widths and borderless switch (-w, -b, -bl)
visual depth selection (-depth)
settable extra linespacing (-lsp)
iso-14755 5.1 (basic) support
tripleclickwords (-tcw)
settable insecure mode (-insecure)
keysym remapping support
cursor blinking and underline cursor (-bc, -uc)
XEmbed support (-embed)
user-pty (-pty-fd)
hold on exit (-hold)
compile in built-in block graphics
skip builtin block graphics (-sbg)
separate highlight colour (-highlightColor, -highlightTextColor)
extended mouse reporting modes (1005 and 1015).
visual selection via -visual and -depth.
It also enables some non-essential features otherwise disabled, such
some round-trip time optimisations
nearest colour allocation on pseudocolor screens
UTF8_STRING support for selection
sgr modes 90..97 and 100..107
backindex and forwardindex escape sequences
view change/zero scrollback escape sequences
locale switching escape sequence
window op and some xterm/OSC escape sequences
rectangular selections
trailing space removal for selections
verbose X error handling
--enable-iso14755 (default: on)
Enable extended ISO 14755 support (see rxvt(1)). Basic support
(section 5.1) is enabled by "--enable-frills", while support for
5.2, 5.3 and 5.4 is enabled with this switch.
--enable-keepscrolling (default: on)
Add support for continual scrolling of the display when you hold the
mouse button down on a scrollbar arrow.
--enable-selectionscrolling (default: on)
Add support for scrolling when the selection moves to the top or
bottom of the screen.
--enable-mousewheel (default: on)
Add support for scrolling via mouse wheel or buttons 4 & 5.
--enable-slipwheeling (default: on)
Add support for continual scrolling (using the mouse wheel as an
accelerator) while the control key is held down. This option
requires --enable-mousewheel to also be specified.
--enable-smart-resize (default: off)
Add smart growth/shrink behaviour when resizing. This should keep
the window corner which is closest to a corner of the screen in a
fixed position.
--enable-text-blink (default: on)
Add support for blinking text.
--enable-pointer-blank (default: on)
Add support to have the pointer disappear when typing or inactive.
--enable-perl (default: on)
Enable an embedded perl interpreter. See the rxvtperl(3) manpage for
more info on this feature, or the files in src/perl/ for the
extensions that are installed by default. The perl interpreter that
is used can be specified via the "PERL" environment variable when
running configure. Even when compiled in, perl will *not* be
initialised when all extensions have been disabled "-pe ""
--perl-ext-common """, so it should be safe to enable from a
resource standpoint.
--enable-assert (default: off)
Enables the assertions in the code, normally disabled. This switch
is only useful when developing rxvt-unicode.
--enable-256-color (default: off)
Force use of so-called 256 colour mode, to work around buggy
applications that do not support termcap/terminfo, or simply improve
support for applications hardcoding the xterm 256 colour table.
This switch breaks termcap/terminfo compatibility to
"TERM=rxvt-unicode", and consequently sets "TERM" to
"rxvt-unicode-256color" by default (doc/etc/ contains
termcap/terminfo definitions for both).
It also results in higher memory usage and can slow down rxvt
dramatically when more than six fonts are in use by a terminal
--with-name=NAME (default: urxvt)
Set the basename for the installed binaries, resulting in "urxvt",
"urxvtd" etc.). Specify "--with-name=rxvt" to replace with "rxvt".
--with-term=NAME (default: rxvt-unicode)
Change the environmental variable for the terminal to NAME.
Change the environmental variable for the path to the terminfo tree
to PATH.
Use the X Window System (pretty much default, eh?).