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Fixes http://autobuild.buildroot.net/results/6d8/6d83fa5d69572cec5c96be4b7651f9b113a1a19c/ libatomic_ops by default requires SPARC v9. buildroot's two supported sparc arches (SPARCv8, and leon3) are both SPARCv8-based. Unfortunately libatomic_ops's support for SPARCv8 is incomplete. The library includes fallbacks but these must expressly be enabled by defining a macro, enabled by this patch. Note that I'm testing for the SPARC variants rather than BR2_sparc, in case someone implements SPARCv9 support in the future. Discussion of this workaround described by the maintainer here : https://github.com/ivmai/libatomic_ops/issues/9 Signed-off-by: Brendan Heading <brendanheading@gmail.com> 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.