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Since Buildroot commitdcee99507cin 2025.11-rc1 that bumped package/icu to version 77-1, the build of xerces with ICU support enabled fails: In file included from /home/bernd/buildroot/output/host/i586-buildroot-linux-gnu/sysroot/usr/include/unicode/uset.h:38, from /home/bernd/buildroot/output/build/xerces-3.3.0/src/xercesc/util/regx/RangeToken.cpp:40: /home/bernd/buildroot/output/host/i586-buildroot-linux-gnu/sysroot/usr/include/unicode/char16ptr.h:271:55: error: 'is_same_v' is not a member of 'std'; did you mean 'is_same'? Indeed, ICU now requires C++17. Instead of using a patch from Gentoo[1] we use a backported upstream commit, limited to CMakeLists.txt, to raise the c++ version. The build error was not recorded yet by the autobuilders but can be reproduced with this defconfig: BR2_TOOLCHAIN_BUILDROOT_CXX=y BR2_PACKAGE_XERCES=y BR2_PACKAGE_ICU=y [1] https://bugs.gentoo.org/931105 Signed-off-by: Bernd Kuhls <bernd@kuhls.net> Signed-off-by: Arnout Vandecappelle <arnout@rnout.be> (cherry picked from commit7d4e403f02) Signed-off-by: Thomas Perale <thomas.perale@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