The Centos 7 libvirt source rpm was taken from:
http://vault.centos.org/centos/7/updates/Source/SPackages/libvirt-1.2.17-13.el7_2.3.src.rpm
It's possible to resolve the source rpm based on the yum repos:
$ yumdownloader --source --urls libvirt
The libvirt source code was forked under .../cgcs/git/libvirt.
Notes: - The branch is based on upstream tag v1.2.17-maint.
- Then each RedHat patches have been committed one by one in the same
order specified in the RedHat spec (actually this was automated to use
'git am' for each of the patches mentionned in the spec).
- The last patch from RedHat is tagged 'libvirt-1.2.17-13.el7_2.3'.
- After this tag, all the patches are port from R2.
The libvirt git repository doesn't come with the ./configure script (and its
dependancies). This has to be built using autoconf (but the libvirt releases
comes with those, releases are generated using 'make dist').
One caveat is that bootstrap is made to be executed in a git tree. Trying to
execute it out of tree, like the Centos build environment, was unsuccessfull
so far.
The current workaround for now is to commit the configure scripts in the
libvirt git repo:
$ NOCONFIGURE=1 ./autogen.sh --copy
$ NOCONFIGURE=1 ./autogen.sh --copy
# Remove all .gitignore temporarily for showing modified files
$ find . -name .gitignore | xargs rm
$ git add -A
$ git reset HEAD .gitignore
# Repeat last command for all .gitignore files removed
$ git commit
Autogen is executed twice. The first time soft links are created under
build-aux/. Running it a second time makes bootstrap copying them and
replacing the soft links (there is most likely a smarter way to do this).
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