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According to the official requirements, bindgen needs libclang to parse C/C++ headers. libclang is loaded at runtime by bindgen, which is why we didn't notice any build issue. However, using bindgen on a simple header file blows up: thread 'main' panicked at bindgen/lib.rs:616:27: Unable to find libclang: "couldn't find any valid shared libraries matching: ['libclang.so', 'libclang-*.so', 'libclang.so.*', 'libclang-*.so.*'], s et the `LIBCLANG_PATH` environment variable to a path where one of these files can be found (invalid: [])" note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace So far, bindgen was only used by mesa3d, and it turns out that mesa3d also depends on clang, which pulls in host-clang, so the problem was not visible. However, as we're about to use bindgen for other things (namely Rust support in Linux), this issue needs to be fixed. See: https://rust-lang.github.io/rust-bindgen/requirements.html Signed-off-by: El Mehdi YOUNES <elmehdi.younes@smile.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 https://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