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Building berkeleydb is broken with a non-threaded toolchain with gcc >= 14.x: ../src/rep/rep_method.c:1740:25: error: implicit declaration of function '__repmgr_get_nsites'; did you mean '__rep_get_nsites'? [-Wimplicit-function-declaration] 1740 | return (__repmgr_get_nsites(env, n)); According to src/repmgr/repmgr_util.c, line 503+, the function '__repmgr_get_nsites' mentioned in the gcc error message "may only be called after threads have been started". This source file repmgr_util.c belongs to REPMGR_OBJS according to dist/Makefile.in, line 249+, which is, according to dist/configure.ac, line 956, only build if thread support is present. In a non-threaded build '__repmgr_get_nsites' does not exist causing the build error. To fix the build error we disable replication for non-threaded toolchains. Using gcc 13.x the build error does not occur, tested with this defconfig: BR2_TOOLCHAIN_BUILDROOT_UCLIBC=y BR2_PTHREADS_NONE=y BR2_GCC_VERSION_13_X=y BR2_PACKAGE_BERKELEYDB=y Using this minimal gcc 14.x-based defconfig BR2_TOOLCHAIN_BUILDROOT_UCLIBC=y BR2_PTHREADS_NONE=y BR2_PER_PACKAGE_DIRECTORIES=y BR2_PACKAGE_BERKELEYDB=y the build error can be reproduced. The oldest build error of this kind, afaics, dates back to 2024-06-13: https://autobuild.buildroot.net/results/e0d/e0d6bdbef01bee277b0da83605b2906af876058a/ Fixes: https://autobuild.buildroot.net/results/792/792ed942d17bb8d00cd321536a102f6dd63b6a8a/ Signed-off-by: Bernd Kuhls <bernd@kuhls.net> 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 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