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Distro toolchains, i.ie. toolchains coing with distributions, will almost invariably be unsuitable for use with Buildroot: - they are mostly non-relocatable; - their sysroot is tainted with a lot of extra libraries. Especially, the toolchains coming with Ubuntu (really, all the Debian familly of distros) are configured with --sysroot=/ which makes them non-relocatable, and they already contain quite some libraries that conflict (in any combination of version, API or ABI) with what Buildroot wants to build (i.e. extra libraries, some not even present in Buildroot...) but also their mere preence when Buildroot does not expect them to be already built (so that a package would enable features when it should not). So, try to detect those toolchains and black-list them; inform the user that the toolchain is unusable for the reasons mentioned above. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Arnout Vandecappelle <arnout@mind.be> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.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.