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This is perhaps the most controversial change for Buildroot that can be written in a two-liner. Historically, we have used uClibc as our default C library, as Buildroot was created initially as a test-bed for uClibc, and also because uClibc made a lot of sense for embedded Linux systems, due to its smaller size and fine-grained configurability. Since then, the landscape of embedded Linux systems has changed. Even though Buildroot happily supports really low-end devices, the vast majority of Buildroot users are quite certainly running the resulting system on a reasonably powerful platform, with significant amount of RAM and storage. In this context, the benefits of uClibc are no longer that much relevant, and glibc causes less "troubles". Therefore, this patch proposes to use glibc as our default C library when using the internal toolchain backend instead of uClibc. Of course, we will keep the support for uClibc, which remains an important C library choice, for space-constrained systems, or simply for architectures that are not supported by glibc. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Acked-by: Yann E. MORIN <yann.morin.1998@free.fr> Acked-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
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