https://www.freedesktop.org/wiki/Software/systemd/systemd-boot/
+config BR2_PACKAGE_SYSTEMD_INITRD
+ bool "Services for booting from initrd"
+ help
+ Install various services that are only useful if systemd is
+ run from an initrd.
+
+config BR2_PACKAGE_SYSTEMD_KERNELINSTALL
+ bool "install kernel-install and related files"
+ help
+ kernel-install is used to install and remove kernel and
+ initramfs images to and from the boot loader partition.
+ The boot loader partition will usually be one of
+ /boot, /efi, or /boot/efi.
+
+config BR2_PACKAGE_SYSTEMD_ANALYZE
+ bool "systemd-analyze"
+ help
+ systemd-analyze may be used to determine system boot-up
+ performance statistics and retrieve other state and tracing
+ information from the system and service manager, and to
+ verify the correctness of unit files.
+ It is also used to access special functions useful for
+ advanced system manager debugging.
+
config BR2_PACKAGE_SYSTEMD_BOOT_EFI_ARCH
string
default "ia32" if BR2_i386
config BR2_PACKAGE_SYSTEMD_HIBERNATE
bool "enable hibernation support"
+ select BR2_PACKAGE_SYSTEMD_INITRD
help
When this features is enabled, additional tools and services
are built to support suspending and resuming the system.
SYSTEMD_CONF_OPTS += -Dpcre2=false
endif
+ifeq ($(BR2_PACKAGE_SYSTEMD_INITRD),y)
+SYSTEMD_CONF_OPTS += -Dinitrd=true
+else
+SYSTEMD_CONF_OPTS += -Dinitrd=false
+endif
+
+ifeq ($(BR2_PACKAGE_SYSTEMD_KERNELINSTALL),y)
+SYSTEMD_CONF_OPTS += -Dkernel-install=true
+else
+SYSTEMD_CONF_OPTS += -Dkernel-install=false
+endif
+
+ifeq ($(BR2_PACKAGE_SYSTEMD_ANALYZE),y)
+SYSTEMD_CONF_OPTS += -Danalyze=true
+else
+SYSTEMD_CONF_OPTS += -Danalyze=false
+endif
+
ifeq ($(BR2_PACKAGE_SYSTEMD_JOURNAL_GATEWAY),y)
SYSTEMD_DEPENDENCIES += libmicrohttpd
SYSTEMD_CONF_OPTS += -Dmicrohttpd=true