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When the rootfs is not remounted read-write (thus assuming a read-only rootfs like squashfs), we create a tmpfiles.d factory for /var. However, we register those in /etc/tmpfiles.d/, but /etc could also be a tmpfs (for full state-less systems, or easy factory-reset, see [0]). So, we move our var factory to /usr/lib/tmpfiles.d/, which is also the location where systemd itself places its own tmpfiles, and where we already put all our other tmpfiles (see audit, avahi, cryptsetup, dhcp, lighttpd, nfs-utils, quagga, samba4, swupdate) and our handling of systemd's catalog files too. We also rename the file to a better name, so that it is obvious it is generated by us (systemd already installs a var.conf of its own, so we want to avoid name clashing). Last little detail: there is no need or reason to create .../tmpfiles.d/ at install time; it is only needed in the rootfs-pre-cmd hook, so we only create it just before we need it. [0] http://0pointer.de/blog/projects/stateless.html Signed-off-by: Yann E. MORIN <yann.morin@orange.com> Cc: Norbert Lange <nolange79@gmail.com> Cc: Romain Naour <romain.naour@smile.fr> Cc: Jérémy Rosen <jeremy.rosen@smile.fr> [yann.morin.1998@free.fr: - split original patch in two - this one only moves out of /etc and into /usr/lib - adapt commit log accordingly ] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> Acked-by: Norbert Lange <nolange79@gmail.com> [yann.morin.1998@free.fr: - rename to 00-buildroot-var.conf as suggested by Norbert ] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> |
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| arch | ||
| board | ||
| boot | ||
| configs | ||
| docs | ||
| fs | ||
| linux | ||
| package | ||
| support | ||
| system | ||
| toolchain | ||
| utils | ||
| .clang-format | ||
| .defconfig | ||
| .flake8 | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| .shellcheckrc | ||
| CHANGES | ||
| Config.in | ||
| Config.in.legacy | ||
| COPYING | ||
| DEVELOPERS | ||
| Makefile | ||
| Makefile.legacy | ||
| README | ||
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches