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The bundled CRoaring code enables its x64 specific code paths as soon as __AVX2__ (or __POPCNT__ and __SSE4_2__) is defined, which also happens on 32-bit x86 targets such as i686 with BR2_x86_haswell. This results in calls to 64-bit only intrinsics: roaring.h:260:18: error: implicit declaration of function '_mm_popcnt_u64'; did you mean '_mm_popcnt_u32'? [-Wimplicit-function-declaration] Backport the upstream patch that defines DISABLE_X64 when building for 32-bit x86, so that the portable implementation is used instead. This issue has been present since commit0d57555407("package/sysprof: update to version 46.0"), which switched to the new sysprof code base bundling CRoaring in contrib/eggbitset. It therefore affects 2024.08 and later. Fixes: https://autobuild.buildroot.org/results/f00d523aa13923c9eb73ae4e1b1f04f297512351 Fixes:0d57555407("package/sysprof: update to version 46.0") Assisted-by: Claude:claude-opus-5-5 Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> 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