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xz-compressed tarballs?
From: |
Jim Meyering |
Subject: |
xz-compressed tarballs? |
Date: |
Sat, 25 Jun 2011 18:30:23 +0200 |
I noticed that you're distributing gzip- and bzip2-compressed
tarballs. Both are common, and bzip2 compresses well, but xz
compresses 25% (500KiB) better than bzip2:
$ du -h bison-2.5*
2.0M bison-2.5.tar.bz2
1.5M bison-2.5.tar.xz
In case you're interested, here's a patch, though you might prefer to
drop bzip2 compression altogether and stick with just the most-common
gzip and best-compressed xz -- then "make dist" will take a little less
time than if it must create all three tarballs.
For the record, many packages now distribute only gzip- and xz-compressed
tarballs, and at least one (GNU cppi [*]) distributes only xz-compressed
tarballs. So far, no one has complained. Who knows... that may mean
xz is now sufficiently ubiquitous. Or just that few people use cppi.
Jim
[*] cppi: http://www.gnu.org/software/cppi/manual/
>From 69f11345a18f8041831c4d6cb3bef23b0614ff36 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Sat, 25 Jun 2011 18:06:15 +0200
Subject: [PATCH] build: create xz-compressed tarballs, too
* configure.ac (AM_INIT_AUTOMAKE): Add "dist-xz", so as to
distribute the more compact xz-compressed tarballs, too.
---
ChangeLog | 6 ++++++
configure.ac | 2 +-
2 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index ac2f988..43ede1b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-06-25 Jim Meyering <address@hidden>
+
+ build: create xz-compressed tarballs, too
+ * configure.ac (AM_INIT_AUTOMAKE): Add "dist-xz", so as to
+ distribute the more compact xz-compressed tarballs, too.
+
2011-05-29 Jim Meyering <address@hidden>
rearrange pointer arithmetic to placate -Wstrict-overflow
diff --git a/configure.ac b/configure.ac
index 6a0ba21..d5879fc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -42,7 +42,7 @@ AC_CONFIG_MACRO_DIR([m4])
# releases, we want to be able run make dist without being required to
# add a bogus NEWS entry. In that case, the version string
# automatically contains a dash, which we also let disable gnits.
-AM_INIT_AUTOMAKE([1.11.1 dist-bzip2]
+AM_INIT_AUTOMAKE([1.11.1 dist-bzip2 dist-xz]
m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [[-_]],
[gnu], [gnits]))
AC_CONFIG_HEADERS([lib/config.h:lib/config.hin])
--
1.7.6.rc2.302.gc2115
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