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The ARMv7 EABIhf toolchains can currently be selected with ARMv8 cores selected, even when EABI is used due to how the condition is constructed. This obviously fails as those toolchains are EABIhf, causing the following build issue: Incorrect ABI setting: EABI selected, but toolchain is incompatible This is for example what happens with: BR2_arm=y BR2_cortex_a32=y BR2_ARM_EABI=y BR2_TOOLCHAIN_EXTERNAL=y BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARMV7_EABIHF_GLIBC_BLEEDING_EDGE=y In order to address this, we adjust the script generating the Bootlin toolchain package so that EABIhf is required for both ARMv7 and ARMv8. Please note that we already require BR2_arm for those toolchains, so we are *only* talking about ARMv8 cores being used in 32-bit mode. This will be needed to fix: https://autobuild.buildroot.org/results/3ce1dbd480c71b782ef722c39034cb039a036523/ Reported-by: Julien Olivain <ju.o@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> 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