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openSUSE:YaST development build special
Building YaST, using y2makeall
y2makeall was enhanced by Stefan Hundhammer, so now no longer has a fixed list of core binaries that it builds first. It also no longer brute-force byte-compiles all YCP modules and installs them to the current machine.
Instead, it now dynamically calculates the correct build order based on "BuildRequires", "Requires", and "Provides" in the .spec.in files and invokes "make" (including "make -f Makefile.cvs") in each subdirectory in that order.
The old behaviour is still available (see y2makeall --help) for those who want it. I also kept the old y2makeall intact in y2makeall-old (also in devtools).
Martin Vidner had added support for prefix building to y2makeall. It should still work, but that part is untested right now - pleaste test.
It should now again be possible to build YaST2 from SVN without hour-long manual interaction - this had gone away recently, as some dependencies had changed and new dependencies between YCP packages had been added.
Quick start for those who don't know it at all:
cd ???????/yast2/source y2makeall
Do a "make clean", then a "make pot" in all YaST2 packages:
y2makeall clean y2makeall pot
Don't do "make -f Makefile.cvs" (autoreconf etc., configure), if not necessary:
Build only in base packages and in subdirectories I added to my "favourites" section in my ~/.yast2/y2makeallrc file, and avoid unnecessary "make -f Makefile.cvs" calls:
y2makeall --fast --favourites
Output the correct build order, then exit:
Building YaST into its own prefix
Create a directory to store YaST sources:
mkdir $HOME/yast-src; cd $HOME/yast-src
Checkout the basic modules (type 'anonymous' when asked for a password):
cvs -z3 -d:ext:firstname.lastname@example.org:/cvsroot/yast co extra-packages liby2util devtools core packagemanager testsuite pkg-bindings qt yast2
extra-packages is mandatory. You can of course checkout also more modules you are interested in. Check the list of modules in CVS
Add the devtools/prefixbuild to your path
If you use some tool for distributed compiling, like distcc or icecream, add it to the path too
Start the build, selecting a module to be build ans installed. The script will resolve the dependencies and build also the required modules. YaST will be built and installed in $HOME/pfx by default.
recreate -d yast2
To start YaST, use the pfx helper (this setups the environment)
Building YaST into mounted directory
Make copy of YaST libraries
mkdir /usr/share/YaST2-work cp /usr/share/YaST2 /usr/share/YaST2-work mkdir /usr/lib/YaST2-work cp /usr/lib/YaST2 /usr/lib/YaST2-work
Mount YaST2-work directory over YaST2 directory
mount --bind /usr/share/YaST2-work/ /usr/share/YaST2/ mount --bind /usr/lib/YaST2-work/ /usr/lib/YaST2/
From now all you move to YaST2 be written to YaST2-work. If you want to back to old/working version
umount /usr/share/YaST2 && umount /usr/lib/YaST2
There is possible to make _x versions and mount over already mounted
mount --bind /usr/share/YaST2_x/ /usr/share/YaST2/ mount --bind /usr/lib/YaST2_x/ /usr/lib/YaST2/