diff options
| author | Leo Famulari <leo@famulari.name> | 2017-03-30 03:10:48 -0400 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2017-04-15 18:34:59 -0400 |
| commit | c8a3dea847bb9f87fa1876d0c6c3356d6226f121 (patch) | |
| tree | 9831c5fd2add6c9c08fde3693bd8ef8e66d59a3d | |
| parent | dc4ebebd61896b1122fde97644325d06e3f46b47 (diff) | |
| download | guix-c8a3dea847bb9f87fa1876d0c6c3356d6226f121.tar.gz | |
packages: Enable threaded compression of source tarballs.
This provides a ~2x speedup when using 4 threads. * guix/packages.scm (patch-and-repack)[build]: Invoke xz with '--threads=0' when re-packing tarballs.
| -rw-r--r-- | guix/packages.scm | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/guix/packages.scm b/guix/packages.scm index 61171b8342..29351ace1d 100644 --- a/guix/packages.scm +++ b/guix/packages.scm @@ -576,7 +576,12 @@ specifies modules in scope when evaluating SNIPPET." #:fail-on-error? #t))))) (zero? (apply system* (string-append #+tar "/bin/tar") - "cvfa" #$output + "cvf" #$output + ;; The bootstrap xz does not support + ;; threaded compression (introduced in + ;; 5.2.0), but it ignores the extra flag. + (string-append "--use-compress-program=" + #+xz "/bin/xz --threads=0") ;; avoid non-determinism in the archive "--mtime=@0" "--owner=root:0" |