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In case of uClibc librt depends on libpthread. In particular timer_create() function uses pthread_XXX(). That means in case of static builds it's required to link not librt alone but together with libpthread. So if checking timer_create function in librt fails, it is necessary to check if timer_create function successfully links with "-lpthread". That issues was spotted in Buldroot autobuilder failures: http://autobuild.buildroot.net/results/759/75960db671807091fe9155aee9e46a6245e32590/ http://autobuild.buildroot.org/results/112/112e8b85783f5aaba42a937a6eb064317615a21b/ 0005-build-sys-use-REALTIME_LIBS.patch is a back-port of upstreamb97edfe731that won't apply cleanly on v2.27.1 0006-buildsys-fix-static-configuration-and-building.patch was just applied upstream, see71a77ca1ddBoth patches must be removed on util-linux version bump. Signed-off-by: Lada Trimasova <ltrimas@synopsys.com> Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Peter Korsgaard <peter@korsgaard.com> 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. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches