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We pass all our dracut configuration files via a config dir, but dracut insists with having one config file. Because we do not want to have to chose which file we pass (which would then have to be excluded from the config dir), we just used an arbitrary empty file, and /dev/null seemed to be a good candidate. However, some build environments do not have a complete /dev, and may be missing entries otherwise taken for granted, like /dev/null. This is especially the case in constrained environments like containers. Switch away from using /dev/null, and do create an actual empty file that we can use as the dracut config file. Fixes: https://gitlab.com/buildroot.org/buildroot/-/jobs/3249828364 Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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