These binary packages represent builds of the mainline or stable Linux kernel tree at the commit below:
v3.12.74 (8c26eee9ed5d108328b4f533268cc1849968dd8e)
To obtain the source from which they are built fetch the commit below:
git://git.launchpad.net/~ubuntu-kernel-test/ubuntu/+source/linux/+git/mainline-crack v3.12.74
and apply the following patches on top in the order below:
0001-base-packaging.patch
0002-UBUNTU-SAUCE-add-vmlinux.strip-to-BOOT_TARGETS1-on-p.patch
0003-UBUNTU-SAUCE-tools-hv-lsvmbus-add-manual-page.patch
0004-debian-changelog.patch
0005-configs-based-on-Ubuntu-3.12.0-2.7.patch
This is summarised in the SOURCES file included with these binaries.
Build for amd64 succeeded (see BUILD.LOG.amd64):
linux-headers-3.12.74-031274_3.12.74-031274.201705101001_all.deb
linux-headers-3.12.74-031274-generic_3.12.74-031274.201705101001_amd64.deb
linux-headers-3.12.74-031274-lowlatency_3.12.74-031274.201705101001_amd64.deb
linux-image-3.12.74-031274-generic_3.12.74-031274.201705101001_amd64.deb
linux-image-3.12.74-031274-lowlatency_3.12.74-031274.201705101001_amd64.deb
Build for i386 succeeded (see BUILD.LOG.i386):
linux-headers-3.12.74-031274_3.12.74-031274.201705101001_all.deb
linux-headers-3.12.74-031274-generic_3.12.74-031274.201705101001_i386.deb
linux-headers-3.12.74-031274-lowlatency_3.12.74-031274.201705101001_i386.deb
linux-image-3.12.74-031274-generic_3.12.74-031274.201705101001_i386.deb
linux-image-3.12.74-031274-lowlatency_3.12.74-031274.201705101001_i386.deb
Build for armhf failed (see BUILD.LOG.armhf):
linux-headers-3.12.74-031274_3.12.74-031274.201705101001_all.deb
*_armhf.deb
Build for ppc64el failed (see BUILD.LOG.ppc64el):
linux-headers-3.12.74-031274_3.12.74-031274.201705101001_all.deb
*_ppc64el.deb
For further information see: http://wiki.ubuntu.com/Kernel/MainlineBuilds