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== Build host requirements ==
== Build host requirements ==
The Dextrose build system runs on '''Fedora 11 i386''' through '''Fedora 13 x86_64'''. The host system runs '''shouldn't''' matter, because the build runs in a chroot environment. olpc-os-builder does not yet run on Ubuntu due to a missing dependency.
The Dextrose build system runs on '''Fedora 11 i386''' through '''Fedora 13 x86_64''' ('''Fedora 14 beta''' can be used also). The host system runs '''shouldn't''' matter, because the build runs in a chroot environment. olpc-os-builder does not yet run on Ubuntu due to a missing dependency.
The initial build requires about '''700MB''' of rpm packages and Sugar activity bundles. The packages and bundles are cached for futures builds.
The initial build requires about '''700MB''' of rpm packages and Sugar activity bundles. The packages and bundles are cached for futures builds.
== Initial setup ==
== Initial setup ==
* Install dependencies (you need to be root to do this)
yum upgrade
yum install libtomcrypt-devel bitfrost make gcc mtd-utils python-imgcreate zip unzip zlib-devel
* Checkout Dextrose build system
* Checkout Dextrose build system
git clone git://git.sugarlabs.org/dextrose/mainline.git dextrose
git clone git://git.sugarlabs.org/dextrose/mainline.git dextrose
* Compile build helper programs
* Compile build helper programs
cd dextrose
make
make
* Generate initial sequence number for the builds
* Generate initial sequence number for the builds (42 is just for an example)
echo 42 >buildnr-dx
echo 42 >buildnr-dx
== Creating a build ==
== Creating a build ==
* Run the Build
* Run the Build (again you need to be root to able to do this)
time ./osbuilder.py examples/dextrose2-xo1.ini
obviusly you can use sudo if your user is configured to do this, and the you can use this
time sudo ./osbuilder.py examples/dextrose2-xo1.ini
time ./osbuilder.py examples/dextrose2-xo1.ini
The initial build may take several hours depending on available bandwith. Subsequent builds will take about 15-20 minutes
The initial build may take several hours depending on available bandwith. Subsequent builds will take about 15-20 minutes