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The current x264 revision fails to include asm code from common/aarch64 which is needed by packages linking to x264, like ffmpeg: Quoting http://autobuild.buildroot.net/results/189/189f215bcbc510cd292c0f337fe6b39979f01813//ffmpeg-2.7.2/config.log /home/test/autobuild/instance-3/output/host/usr/aarch64-buildroot-linux-gnu/sysroot/usr/lib/libx264.so: undefined reference to `x264_deblock_h_chroma_422_intra_neon' Function "chroma_422_intra_neon" is defined in x264/common/aarch64/deblock-a.S. The code in x264/common/aarch64/* is only compiled if an assembler was found: http://git.videolan.org/?p=x264.git;a=blob;f=Makefile;h=6193c5936939fda36f9a2e00c734223318ccda14;hb=HEAD#l134 To allow this add BR2_aarch64 as an assembler-enabled arch. This however breaks compilation due to broken NEON detection: "no NEON support, try adding -mfpu=neon to CFLAGS If you really want to run on such a CPU, configure with --disable-asm." The bug was fixed upstream Jul, 25th, 2015: http://git.videolan.org/?p=x264.git;a=commit;h=73ae2d11d472d0eb3b7c218dc1659db32f649b14 When we already have to do a version bump let's take the latest one ;) Fixes http://autobuild.buildroot.net/results/90a/90ae4b2fa8a6cff0f18abea2b1c45282afe99e4b/ http://autobuild.buildroot.net/results/109/109686cbc8327e62f757db576cfff49c490b52ae/ http://autobuild.buildroot.net/results/189/189f215bcbc510cd292c0f337fe6b39979f01813/ Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> 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 Freenode IRC.