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Since the bump of libxml2 from 2.13.8 to 2.15.0 in Buildroot commitd81922c1ef, the "virt" plugin of collectd no longer builds: src/virt.c:2208:49: error: expected ';', ',' or ')' before 'ATTRIBUTE_UNUSED' 2208 | static void virt_eventloop_timeout_cb(int timer ATTRIBUTE_UNUSED, | ^~~~~~~~~~~~~~~~ src/virt.c: In function 'register_event_impl': src/virt.c:2221:26: error: 'virt_eventloop_timeout_cb' undeclared (first use in this function) 2221 | virt_eventloop_timeout_cb, NULL, NULL) < 0) { | ^~~~~~~~~~~~~~~~~~~~~~~~~ src/virt.c:2221:26: note: each undeclared identifier is reported only once for each function it appears in This is due to the fact that the virt plugin code was incorrectly using the ATTRIBUTE_UNUSED define, which was supposed to be an internal define of libxml2. But it turns out that up to libxml2 2.14.0 and its commit 208f27f9641a59863ce1f7d4992df77f7eb0ea9d, this define had been made publicly available. It could therefore mistakenly be used by collectd's virt plugin... until libxml2 was upgraded. We backport an upstream patch from collectd that fixes the issue. Fixes: https://autobuild.buildroot.net/results/4c8463f0372560f4c3a20b0f67854460f0d1c400/ Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Julien Olivain <ju.o@free.fr> (cherry picked from commit83fc4aa55e) Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
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