buildroot/configs/qemu_x86_defconfig

BR2_x86_pentiumpro=y
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
BR2_GLOBAL_PATCH_DIR="board/qemu/patches"
BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
BR2_SYSTEM_DHCP="eth0"
BR2_ROOTFS_POST_BUILD_SCRIPT="board/qemu/x86/post-build.sh"
BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh"
BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.12.27"
BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86/linux.config"
BR2_TARGET_ROOTFS_EXT2=y
# BR2_TARGET_ROOTFS_TAR is not set
BR2_PACKAGE_HOST_QEMU=y
BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y