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Interestingly, only the aarch64 blobs provide libgbm support. This will help in fixing an issue that exists today, where ARM32 + imx-gpu-viv + wayland + qt5 fails to build, because qt5 is told that libgbm is available, i.e the following configuration: BR2_arm=y BR2_cortex_a9=y BR2_ARM_ENABLE_VFP=y BR2_TOOLCHAIN_EXTERNAL=y BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y BR2_INIT_NONE=y BR2_SYSTEM_BIN_SH_NONE=y # BR2_PACKAGE_BUSYBOX is not set BR2_PACKAGE_QT5=y BR2_PACKAGE_QT5BASE_GUI=y BR2_PACKAGE_QT5BASE_EGLFS=y BR2_PACKAGE_FREESCALE_IMX=y BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX6Q=y BR2_PACKAGE_IMX_GPU_VIV=y BR2_PACKAGE_IMX_GPU_VIV_OUTPUT_WL=y # BR2_TARGET_ROOTFS_TAR is not set fails to build during the qt5base configure step with: ERROR: Feature 'gbm' was enabled, but the pre-condition 'libs.gbm' failed. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.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 OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches