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chicken-uninstall.mdoc
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chicken-uninstall.mdoc
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.\" Copyright (c) 2007-2021, The CHICKEN Team
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the authors may not be used to endorse or promote products
.\" derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\"
.Dd Apr 26, 2017
.Dt CHICKEN-UNINSTALL 1
.Os
.Sh NAME
.Nm chicken-uninstall
.Nd uninstall extension library
.Sh SYNOPSIS
.Nm
.Op Ar OPTION ...
.Op Ar NAME ...
.Sh DESCRIPTION
.Nm
removes one or more already installed extension
libraries for the CHICKEN Scheme system.
.Ar PATTERN
may be a regular expression naming multiple extensions or just an extension name.
.Pp
The program accepts following arguments:
.Bl -tag -width Ds
.It Fl h , Fl help
Show usage and exit.
.It Fl version
Show version and exit.
.It Fl force
Don't ask, just delete whatever matches.
.It Fl match
Treat
.Ar NAME
as a glob pattern.
.It Fl s , Fl sudo
Use external program to elevate privileges for deleting files.
The program defaults to
.Xr sudo 8
but can be overridden with
.Ev SUDO
environment variable.
.It Fl host
When cross-compiling, only uninstall host extensions.
.It Fl target
When cross-compiling, only uninstall target extensions.
.El
.Sh ENVIRONMENT
The following environment variables change the behaviour of
.Nm Ns :
.Bl -tag -width CHICKEN_INSTALL_REPOSITORY
.It Ev CHICKEN_INSTALL_REPOSITORY
The path where extension libraries are installed. Defaults to the
package library path selected during configuration
.Pq usually $prefix/lib/chicken/<binary-version> .
.It Ev SUDO
The command to execute when using
.Fl s
flag in command. If not provided, defaults to
.Xr sudo 8 .
.El
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr chicken 1 ,
.Xr chicken-install 1 ,
.Xr chicken-status 1
.Pp
More information can be found in the
.Lk http://wiki.call-cc.org/manual/index "CHICKEN User's Manual".
.Sh AUTHORS
.An The CHICKEN Team
.Sh BUGS
Submit bug reports by e-mail to
.Mt chicken-janitors@nongnu.org