.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.13.
.TH GUIX BUILD (GNU GUIX) "1" "November 2020" "GNU" "User Commands"
.SH NAME
guix build (GNU Guix) \- manual page for guix build (GNU Guix) 1.2.0rc2
.SH SYNOPSIS
.B guix
\fI\,build \/\fR[\fI\,OPTION\/\fR]... \fI\,PACKAGE-OR-DERIVATION\/\fR...
.SH DESCRIPTION
Build the given PACKAGE\-OR\-DERIVATION and return their output paths.
.TP
\fB\-e\fR, \fB\-\-expression\fR=\fI\,EXPR\/\fR
build the package or derivation EXPR evaluates to
.TP
\fB\-f\fR, \fB\-\-file\fR=\fI\,FILE\/\fR
build the package or derivation that the code within
FILE evaluates to
.TP
\fB\-m\fR, \fB\-\-manifest\fR=\fI\,FILE\/\fR
build the packages that the manifest given in FILE
evaluates to
.TP
\fB\-S\fR, \fB\-\-source\fR
build the packages' source derivations
.TP
\fB\-\-sources\fR[=\fI\,TYPE\/\fR]
build source derivations; TYPE may optionally be one
of "package", "all" (default), or "transitive"
.TP
\fB\-s\fR, \fB\-\-system\fR=\fI\,SYSTEM\/\fR
attempt to build for SYSTEM\-\-e.g., "i686\-linux"
.TP
\fB\-\-target\fR=\fI\,TRIPLET\/\fR
cross\-build for TRIPLET\-\-e.g., "armel\-linux\-gnu"
.TP
\fB\-d\fR, \fB\-\-derivations\fR
return the derivation paths of the given packages
.TP
\fB\-\-check\fR
rebuild items to check for non\-determinism issues
.TP
\fB\-\-repair\fR
repair the specified items
.TP
\fB\-r\fR, \fB\-\-root\fR=\fI\,FILE\/\fR
make FILE a symlink to the result, and register it
as a garbage collector root
.TP
\fB\-v\fR, \fB\-\-verbosity\fR=\fI\,LEVEL\/\fR
use the given verbosity LEVEL
.TP
\fB\-q\fR, \fB\-\-quiet\fR
do not show the build log
.TP
\fB\-\-log\-file\fR
return the log file names for the given derivations
.TP
\fB\-L\fR, \fB\-\-load\-path\fR=\fI\,DIR\/\fR
prepend DIR to the package module search path
.TP
\fB\-K\fR, \fB\-\-keep\-failed\fR
keep build tree of failed builds
.TP
\fB\-k\fR, \fB\-\-keep\-going\fR
keep going when some of the derivations fail
.TP
\fB\-n\fR, \fB\-\-dry\-run\fR
do not build the derivations
.TP
\fB\-\-fallback\fR
fall back to building when the substituter fails
.TP
\fB\-\-no\-substitutes\fR
build instead of resorting to pre\-built substitutes
.TP
\fB\-\-substitute\-urls\fR=\fI\,URLS\/\fR
fetch substitute from URLS if they are authorized
.TP
\fB\-\-no\-grafts\fR
do not graft packages
.TP
\fB\-\-no\-offload\fR
do not attempt to offload builds
.TP
\fB\-\-max\-silent\-time\fR=\fI\,SECONDS\/\fR
mark the build as failed after SECONDS of silence
.TP
\fB\-\-timeout\fR=\fI\,SECONDS\/\fR
mark the build as failed after SECONDS of activity
.TP
\fB\-\-rounds\fR=\fI\,N\/\fR
build N times in a row to detect non\-determinism
.TP
\fB\-c\fR, \fB\-\-cores\fR=\fI\,N\/\fR
allow the use of up to N CPU cores for the build
.TP
\fB\-M\fR, \fB\-\-max\-jobs\fR=\fI\,N\/\fR
allow at most N build jobs
.TP
\fB\-\-debug\fR=\fI\,LEVEL\/\fR
produce debugging output at LEVEL
.TP
\fB\-\-help\-transform\fR
list package transformation options not shown here
.TP
\fB\-h\fR, \fB\-\-help\fR
display this help and exit
.TP
\fB\-V\fR, \fB\-\-version\fR
display version information and exit
.SH "REPORTING BUGS"
Report bugs to: bug\-guix@gnu.org.
.br
GNU Guix home page: <https://www.gnu.org/software/guix/>
.br
General help using Guix and GNU software: <https://guix.gnu.org/help/>
.SH COPYRIGHT
Copyright \(co 2020 the Guix authors
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
.SH "SEE ALSO"
The full documentation for
.B guix build (GNU Guix)
is maintained as a Texinfo manual.  If the
.B info
and
.B guix build (GNU Guix)
programs are properly installed at your site, the command
.IP
.B info guix
.PP
should give you access to the complete manual.