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authorLudovic Courtès <ludo@gnu.org>2019-04-19 15:18:20 +0200
committerLudovic Courtès <ludo@gnu.org>2019-04-19 17:46:40 +0200
commitea261dea0c581771b4cf297e983f7addc6807051 (patch)
tree022306c8d977f2ad5e0002d5f1a7b7a67349fb19 /doc
parent296da6e624633f4e049244e72647ceff535a6cc0 (diff)
downloadguix-ea261dea0c581771b4cf297e983f7addc6807051.tar.gz
guix build: Accept multiple '-s' options.
* guix/scripts/build.scm (%default-options): Remove 'system'.
(%options) <--system>: Keep previous occurrences of 'system in RESULT.
(options->derivations)[system]: Remove.
[systems, things-to-build]: New variables.
[compute-derivation]: New procedure.
Iterate on all of SYSTEMS to compute the derivations of THINGS-TO-BUILD.
* tests/guix-build.sh: Add test for one and multiple '-s' flags.
* doc/guix.texi (Additional Build Options): Document this behavior.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 6b713aaf9c..8c7522f286 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -8030,7 +8030,9 @@ The following derivations will be built:
 @item --system=@var{system}
 @itemx -s @var{system}
 Attempt to build for @var{system}---e.g., @code{i686-linux}---instead of
-the system type of the build host.
+the system type of the build host.  The @command{guix build} command allows
+you to repeat this option several times, in which case it builds for all the
+specified systems; other commands ignore extraneous @option{-s} options.
 
 @quotation Note
 The @code{--system} flag is for @emph{native} compilation and must not