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Without musl-root in config.toml the build stop with the following error: thread 'main' panicked at 'couldn't find libc.a in musl libdir: output/host/arm-buildroot-linux-musleabihf/sysroot/lib/lib', src/bootstrap/sanity.rs:192:25 musl-root is needed to provide the path to libc.a and libunwind.a because rust link them statically into the standard library and liblibc [1]. For other libc, musl-root is not used and ignored [2]. [1]cd980b3bee[2] https://github.com/rust-lang/rust/blob/1.58.1/src/bootstrap/sanity.rs#L181 Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> (cherry picked from commita41b0f31de) Signed-off-by: Peter Korsgaard <peter@korsgaard.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