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Fix libexecinfo workaround to avoid the following ffmpeg build failure with BR2_PACKAGE_RPI_USERLAND raised on uclibc and musl since commitbc4cc27705: /home/giuliobenetti/autobuild/run/instance-3/output-1/host/bin/arm-linux-gcc --sysroot=/home/giuliobenetti/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot -mcpu=arm926ej-s -Wl,--as-needed -Wl,-z,noexecstack -o /tmp/ffconf.5K0cMIh3/test /tmp/ffconf.5K0cMIh3/test.o -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host -latomic /home/giuliobenetti/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/10.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: /home/giuliobenetti/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libvcos.so: undefined reference to `backtrace_symbols' [...] ERROR: mmal not found Fixes: - http://autobuild.buildroot.org/results/64d21872d25fef35b72106133ed2aed300f52f2f Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> (cherry picked from commit66d7d3bec3) 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