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Fixes build error with gcc 9.x: output/build/libheif-1.21.1/libheif/nclx.h:128:50: error: 'bool nclx_profile::operator==(const nclx_profile&) const' cannot be defaulted using this defconfig: BR2_arm=y BR2_TOOLCHAIN_EXTERNAL=y BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arm-full-static-2020.11.2.tar.bz2" BR2_TOOLCHAIN_EXTERNAL_GCC_9=y BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_4=y BR2_TOOLCHAIN_EXTERNAL_LOCALE=y # BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG is not set BR2_TOOLCHAIN_EXTERNAL_CXX=y BR2_STATIC_LIBS=y BR2_PACKAGE_LIBHEIF=y According to https://github.com/strukturag/libheif/issues/1615#issuecomment-3457979167 gcc >= 10 with support for C++20 is needed for the package. The failing code was introduced upstream in version 0.21.0 with commita62f933e38which was added to buildroot with commita8aed698c7. Also removed -std=c++11 from CXXFLAGS. The build error was not yet recorded by the autobuilders. Signed-off-by: Bernd Kuhls <bernd@kuhls.net> Signed-off-by: Julien Olivain <ju.o@free.fr>
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