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Since the generic package infrastructure removed auto derivation of host dependencies [1] (2016.08), the host dependencies must be explicitly set. While adding the nettle host variant [2] the gmp dependency was not duplicated and host-nettle was built without host-gmp (or built with gmp installed on the build machine). While building host-gnutls required for building mkeficapsule u-boot tool, the configure script check if Libhogweed (nettle's companion library) is build with libgmp support. If internal toolchain is used, luckily host-gmp is built before building host-nettle (and host-gnutls). But when using prebuilt external toolchain, following error shows up : Libhogweed (nettle's companion library) 3.6 was not found. Note that you must compile nettle with gmp support. [1]4bdb067e38[2]dac6e30118[3]eb24bfa808Signed-off-by: Fabien Thomas <fabien.thomas@smile.fr> Reviewed-by: Romain Naour <romain.naour@smile.fr> Acked-by: Romain Naour <romain.naour@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 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