Em 05-09-2015 13:40, Bruce Dubbs escreveu: > Pierre Labastie wrote: >> Hi all, >> >> Sorry for discussing this again, but before the timing given below, I was >> wondering what the best approach for downloading OpenJDK files was. Using >> mercurial, it amounts to: >> ---------- >> hg clone http://hg.openjdk.java.net/jdk8u/jdk8u<rev> >> cd jdk8u<rev> >> sh get_source.sh >> sh common/bin/hgforest.sh update -r jdk8u<rev>-b<build> # not really >> needed >> ---------- >> Note that mercurial is needed (obviously), but mercurial depends only on >> Python, which is a very basic package, and builds very fast (a few >> tenths of >> SBU). hgforest is optimized to retrieve several repositories at the >> same time, >> so the download time is not too long. Actually, timing gives: >> ------------- >> time ( >> hg clone http://hg.openjdk.java.net/jdk8u/jdk8u60 >> cd jdk8u60 >> sh get_source.sh >> sh common/bin/hgforest.sh update -r jdk8u60-b27 ) >> ... >> real 6m31.868s >> user 0m0.896s >> sys 0m0.060s >> >> The other approach is to use wget to download tarballs, as proposed by >> Fernando. For measuring download+unpack time, I use a version slightly >> different from >> http://lists.linuxfromscratch.org/pipermail/blfs-dev/2015-May/030258.html: >> >> time ( >> PACKAGE=jdk8u60-b27.tar.bz2 >> URL=http://hg.openjdk.java.net/jdk8u/jdk8u60 >> URL_END=archive/$PACKAGE >> wget $URL/$URL_END >> tar xf $PACKAGE >> for additional in corba hotspot jaxp jaxws langtools jdk nashorn; do >> wget $URL/$additional/$URL_END -O $additional.tar.bz2 >> mkdir -p jdk8u60-jdk8u60-b27/$additional >> tar --stripcomponents=1 \ >> -C jdk8u60-jdk8u60-b27/$additional \ >> -x -f $additional.tar.bz2 >> done >> ) >> ... >> real 2m56.273s >> user 0m8.716s >> sys 0m2.472s >> >> So definitely, the wget approach is shorter. OTOH the mercurial >> approach is >> much simpler and less prone to errors. If using wget, I think I'll use >> some >> approach similar to what we do for X, as suggested by Fernando, but it >> would >> be still complicated, unless maybe we make a file with 4 fields per line: >> tarball-name, md5 extracted-dirname, final-dirname. > > Using mercurial provides an example for that version control package. I > don't wee a problem with doing OpenJDK with mercurial. > > Note, I only build OPenJDK for testing the book. I cannot recall > needing or using it in other circumstances. > > -- Bruce >
BTW, I don't use BLFS for JDK for about a year or more. Only upstream proprietary binaries. -- []s, Fernando -- http://lists.linuxfromscratch.org/listinfo/blfs-dev FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
