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== Build host requirements ==
== Build host requirements ==
The olpc-os-builder machinery has been used successfully with systems running Fedora 11 i386 through Fedora 13 x86_64.
The olpc-os-builder machinery has been used successfully with systems running '''Fedora 11 i386''' through '''Fedora 13 x86_64'''. What the host system runs shouldn't matter much, because all the work is being done in a chroot environment, but olpc-os-builder is known to fail on Ubuntu due to a missing dependency.
You will also need a lot of bandwidth to download about '''700MB''' of rpm packages and Sugar activity bundles.
git clone git://git.sugarlabs.org/dextrose/mainline.git
git clone git://git.sugarlabs.org/dextrose/mainline.git
* One time preparation
* One time preparation:
yum upgrade
yum upgrade
yum install libtomcrypt-devel bitfrost make gcc mtd-utils python-imgcreate
yum install libtomcrypt-devel bitfrost make gcc mtd-utils python-imgcreate zip unzip
make
make
* Build:
* Build:
time sudo ./osbuilder.py examples/f11-0.88-xo1-py.ini
time sudo ./osbuilder.py examples/dextrose2-xo1.ini
* Wait 15 minutes
* Wait 15 minutes
git fetch olpc
git fetch olpc
git log olpc/master
git log olpc/master
== Building custom RPMs ==
* Go to the <tt>rpms/PACKAGENAME</tt> in the dextrose tree
* Edit the spec file (remember to bump the revision)
* <tt>make i586</tt>
* Wait for rpmbuild to do its job
* Now upload this rpm to a yum repository and add it to the ini file used by the OLPC OS builder.
* To automate this step, we have a rule <tt>make uploadrpm</tt> which points at the Dextrose repository.
Edit <tt>rpms/common/Makefile.common</tt> or <tt>rpms/common/uploadrpm</tt> to retarget this rule to your
repository.
== Building custom OLPC kernels ==
== Building custom OLPC kernels ==