[Buildroot] [PATCH 1/3] Add the systemd package

[Maxime Ripard]

Hi Arnout,

Thanks for the review,

On 20/12/2011 08:05, Arnout Vandecappelle wrote:
> On Wednesday 23 November 2011 12:30:09 Maxime Ripard wrote:
>> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
> 
> [snip]
>> diff --git a/linux/linux.mk b/linux/linux.mk
>> index 5c5a1d2..22f50b4 100644
>> --- a/linux/linux.mk
>> +++ b/linux/linux.mk
>> @@ -149,6 +149,8 @@ define LINUX_CONFIGURE_CMDS
>>
>>         $(if $(BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV),
>>         
>>                 $(call
>>                 KCONFIG_SET_OPT,CONFIG_UEVENT_HELPER_PATH,\"/sbin/mdev\",$
>>                 (@D)/.config))
>>         
>>         yes '' | $(TARGET_MAKE_ENV) $(MAKE1) $(LINUX_MAKE_FLAGS) -C $(@D)
>>         oldconfig
>>
>> +       $(if $(BR2_INIT_SYSTEMD),
>> +               $(call KCONFIG_ENABLE_OPT,CONFIG_CGROUPS,$(@D)/.config),)
>  I don't see the symbol BR2_INIT_SYSTEMD defined anywhere... (it's only
> defined in the next patch).  Shouldn't it anyway be BR2_PACKAGE_SYSTEMD?

Oh, right.
I must have reordered the patches without paying attention to that.

>>
>>  endef
>>  
>>  # Compilation. We make sure the kernel gets rebuilt when the
> [snip]
>> diff --git a/package/systemd/Config.in b/package/systemd/Config.in
>> new file mode 100644
>> index 0000000..09cedb9
>> --- /dev/null
>> +++ b/package/systemd/Config.in
>> @@ -0,0 +1,16 @@
>> +config BR2_PACKAGE_SYSTEMD
>> +	bool "systemd"
>> +	depends on BR2_PACKAGE_UDEV
>> +	depends on BR2_PACKAGE_DBUS
>  With depends on, there should also be a comment to explain why systemd is not
> available:
> comment "systemd not available (depends on udev and dbus)"
> 	depends on !BR2_PACKAGE_UDEV || !BR2_PACKAGE_DBUS

Indeed.

>> +	select BR2_PACKAGE_LIBCAP
>> +	help
>> +	  systemd is a system and service manager for Linux, compatible with
>> +	  SysV and LSB init scripts. systemd provides aggressive parallelization
>> +	  capabilities, uses socket and D-Bus activation for starting services,
>> +	  offers on-demand starting of daemons, keeps track of processes using
>> +	  Linux cgroups, supports snapshotting and restoring of the system
>> +	  state, maintains mount and automount points and implements an
>> +	  elaborate transactional dependency-based service control logic. It can
>> +	  work as a drop-in replacement for sysvinit. 
>> +
>> +	  http://freedesktop.org/wiki/Software/systemd
>> diff --git a/package/systemd/systemd.mk b/package/systemd/systemd.mk
>> new file mode 100644
>> index 0000000..8733ce0
>> --- /dev/null
>> +++ b/package/systemd/systemd.mk
>> @@ -0,0 +1,45 @@
>> +#############################################################
>> +#
>> +# systemd
>> +#
>> +#############################################################
>> +SYSTEMD_VERSION = 37
>> +SYSTEMD_SITE = http://www.freedesktop.org/software/systemd/
>> +SYSTEMD_SOURCE = systemd-$(SYSTEMD_VERSION).tar.bz2
>> +SYSTEMD_DEPENDENCIES = \
>> +	host-intltool \
>> +	libcap \
>> +	udev \
>> +	dbus
>> +
>> +SYSTEMD_CONF_OPT = \
>> +	--with-distro=other \
>> +	--disable-selinux \
>> +	--disable-acl \
>  acl should be selected based on BR2_PACKAGE_ACL

Ok, I will add that.

>> +	--disable-pam \
>> +	--disable-libcryptsetup \
>> +	--disable-gtk \
>> +	--disable-plymouth \
>> +	--with-rootdir=/ \
>> +	--with-dbuspolicydir=/etc/dbus-1/system.d \
>> +	--with-dbussessionservicedir=/usr/share/dbus-1/services \
>> +	--with-dbussystemservicedir=/usr/share/dbus-1/system-services \
>> +	--with-dbusinterfacedir=/usr/share/dbus-1/interfaces \
>> +	--with-udevrulesdir=/etc/udev/rules.d \
>> +
>> +define SYSTEMD_INSTALL_INIT_HOOK
>> +	ln -fs /bin/systemd $(TARGET_DIR)/sbin/init
>> +	ln -fs /bin/systemctl $(TARGET_DIR)/sbin/halt
>> +	ln -fs /bin/systemctl $(TARGET_DIR)/sbin/poweroff
>> +	ln -fs /bin/systemctl $(TARGET_DIR)/sbin/reboot
>  I don't think it's a standard in buildroot, but personally I prefer relative
> links here.  That way you can do things like gdb or objdump on the link, without
> accidentally referring to the host systemd.

Ok

>> +endef
>> +
>> +define SYSTEMD_INSTALL_TTY_HOOK
>> +	ln -fs /lib/systemd/system/getty at .service $(TARGET_DIR)/etc/systemd/system/getty@$(BR2_TARGET_GENERIC_GETTY_PORT).service
>> +endef
>> +
>> +SYSTEMD_POST_INSTALL_TARGET_HOOKS += \
>> +	SYSTEMD_INSTALL_INIT_HOOK \
>> +	SYSTEMD_INSTALL_TTY_HOOK \
>> +
>> +$(eval $(call AUTOTARGETS))
> 
> 
>  Regards,
>  Arnout
> 


-- 
Maxime Ripard, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com