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As reported on bugzilla [1], the host-rust package fail when the target architecture or the target libc is not supported. The error is the following: failed to parse TOML configuration 'config.toml': expected a table key, found a right bracket at line 15 In such case BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS is not set thus RUSTC_TARGET_NAME is also not set [2]. But RUSTC_TARGET_NAME is needed to generate the file config.toml [3] Add BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS in the host-rust dependency. The commit [4] that allowed to select host-rust when the target architecture or the target libc is not supported, should have allowed to select only host-rustc-bin. Fixes: Bug #12691 [1] https://bugs.busybox.net/show_bug.cgi?id=12691 [2] https://git.buildroot.net/buildroot/tree/package/rustc/rustc.mk?h=2020.05-rc1#n10 [3] https://git.buildroot.net/buildroot/tree/package/rust/rust.mk?h=2020.05-rc1#n41 [4]025b863e6fSigned-off-by: Romain Naour <romain.naour@gmail.com> Cc: Sam Voss <sam.voss@gmail.com> Reviewed-by: Sam Voss <sam.voss@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> (cherry picked from commit4c051c65ee) 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 Freenode IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches