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Fix the following build failure without neon raised since bump to version 1.4.0 in commit2f7f8f3813andc821187dd9: /home/peko/autobuild/instance-0/output-1/host/bin/arm-none-linux-gnueabi-gcc -std=gnu11 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -g0 -D_FORTIFY_SOURCE=2 -ffast-math -mcpu=cortex-a7 -mfloat-abi=hard -mfpu=neon-vfpv4 -Wall -fPIC -Wno-deprecated -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I. -Iinclude -c -o src/audio/src/cvsd.o src/audio/src/cvsd.c In file included from /home/peko/autobuild/instance-0/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/include/features.h:388:0, from /home/peko/autobuild/instance-0/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/include/stdlib.h:24, from src/libliquid.c:25: /home/peko/autobuild/instance-0/output-1/host/arm-buildroot-linux-gnueabi/sysroot/usr/include/gnu/stubs.h:10:29: fatal error: gnu/stubs-hard.h: No such file or directory # include <gnu/stubs-hard.h> ^ Indeed, upstream considers that NEON is available on all ARM platforms, and their configure.ac contains that code snippet: 239 arm|armv7*|armv8*) 240 # assume neon instructions are available 241 # TODO: check for Neon availability 242 243 # ARM architecture : use neon extensions Fixes: - http://autobuild.buildroot.org/results/36b3c2220c462e7a20262fd1b9064d9aeb6c9ec4 - http://autobuild.buildroot.org/results/881826b4b6c141e59a0da2d7d1ad55d3709fdb95 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> [yann.morin.1998@free.fr: - refactor with LIQUID_DSP_SIMDOVERRIDE - add comment about --disable-simdoverride - extend commit log with upstream code snippet ] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> (cherry picked from commit9501bc80f5) Signed-off-by: Peter Korsgaard <peter@korsgaard.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