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4c051c65ee
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] 025b863e6facb7b219b82ee6ee7a7916c2c3c47e Signed-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>