[Buildroot] [PATCH] package/systemd: needs glibc

[Matthew Weber]

Yann,

On Wed, Nov 21, 2018 at 3:06 PM Yann E. MORIN <yann.morin.1998 at free.fr> wrote:
>
> Since version v239, systemd-nspawn unconditioanlly uses prlimit(2),
> which is not implemented in uClibc-ng. systemd-nspawn can not be
> disabled.
>
> This makes systemd glibc-only again.
>
> After a bit of discussion with upstream (om IRC), it looks very
> improbable that they accept a patch making systemd-nspawn optional.
> They would probably consider a patch that provides that syscall wrapper
> if it is missing, though, but that's less trivial...
>
> Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Cc: Waldemar Brodkorb <wbx at openadk.org>
> Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
> Cc: Peter Korsgaard <peter at korsgaard.com>

Reviewed-by: Matt Weber <matthew.weber at rockwellcollins.com>
(Went back and reviewed Waldemar's original patch and this revert)

> ---
>  package/systemd/Config.in  |  3 ---
>  package/systemd/systemd.mk | 11 +----------
>  system/Config.in           | 11 +++--------
>  3 files changed, 4 insertions(+), 21 deletions(-)
>
> diff --git a/package/systemd/Config.in b/package/systemd/Config.in
> index c858d89c05..25f322e8f3 100644
> --- a/package/systemd/Config.in
> +++ b/package/systemd/Config.in
> @@ -192,7 +192,6 @@ config BR2_PACKAGE_SYSTEMD_MACHINED
>  config BR2_PACKAGE_SYSTEMD_MYHOSTNAME
>         bool "enable myhostname NSS plugin"
>         default y
> -       depends on !BR2_TOOLCHAIN_USES_UCLIBC # needs nss.h
>         help
>           nss-myhostname is a plug-in module for the GNU Name Service
>           Switch (NSS) functionality of the GNU C Library (glibc),
> @@ -252,7 +251,6 @@ config BR2_PACKAGE_SYSTEMD_RANDOMSEED
>  config BR2_PACKAGE_SYSTEMD_RESOLVED
>         bool "enable resolve daemon"
>         default y
> -       depends on !BR2_TOOLCHAIN_USES_UCLIBC # needs nss.h
>         help
>           systemd-resolved is a system service that provides network
>           name resolution to local applications. It implements a
> @@ -285,7 +283,6 @@ config BR2_PACKAGE_SYSTEMD_SMACK_SUPPORT
>
>  config BR2_PACKAGE_SYSTEMD_SYSUSERS
>         bool "enable sysusers support"
> -       depends on !BR2_TOOLCHAIN_USES_UCLIBC # needs gshadow.h
>         help
>           systemd-sysusers creates system users and groups, based on
>           the file format and location specified in sysusers.d(5).
> diff --git a/package/systemd/systemd.mk b/package/systemd/systemd.mk
> index ecbf7e97ff..e53f0b699a 100644
> --- a/package/systemd/systemd.mk
> +++ b/package/systemd/systemd.mk
> @@ -40,18 +40,9 @@ SYSTEMD_CONF_OPTS += \
>         -Dsulogin-path=/usr/sbin/sulogin \
>         -Dmount-path=/usr/bin/mount \
>         -Dumount-path=/usr/bin/umount \
> -       -Dnobody-group=nogroup
> -
> -# disable unsupported features for non-glibc toolchains
> -ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
> -SYSTEMD_CONF_OPTS += \
> +       -Dnobody-group=nogroup \
>         -Didn=true \
>         -Dnss-systemd=true
> -else
> -SYSTEMD_CONF_OPTS += \
> -       -Didn=false \
> -       -Dnss-systemd=false
> -endif
>
>  ifeq ($(BR2_PACKAGE_ACL),y)
>  SYSTEMD_DEPENDENCIES += acl
> diff --git a/system/Config.in b/system/Config.in
> index f63f27b126..9e34f11b6c 100644
> --- a/system/Config.in
> +++ b/system/Config.in
> @@ -127,9 +127,7 @@ config BR2_INIT_SYSV
>  config BR2_INIT_SYSTEMD
>         bool "systemd"
>         depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
> -       depends on BR2_TOOLCHAIN_USES_GLIBC || BR2_TOOLCHAIN_USES_UCLIBC
> -       depends on BR2_USE_WCHAR
> -       depends on BR2_TOOLCHAIN_HAS_THREADS
> +       depends on BR2_TOOLCHAIN_USES_GLIBC
>         depends on BR2_TOOLCHAIN_HAS_SSP
>         depends on BR2_USE_MMU
>         depends on !BR2_STATIC_LIBS
> @@ -137,14 +135,11 @@ config BR2_INIT_SYSTEMD
>         select BR2_ROOTFS_MERGED_USR
>         select BR2_PACKAGE_SYSTEMD
>
> -comment "systemd needs a glibc or uClibc toolchain w/ wchar, threads, SSP, dynamic library, headers >= 3.10"
> +comment "systemd needs a glibc toolchain w/ SSP, headers >= 3.10"
>         depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
>         depends on BR2_USE_MMU
> -       depends on !(BR2_TOOLCHAIN_USES_GLIBC || BR2_TOOLCHAIN_USES_UCLIBC) || \
> -               !BR2_USE_WCHAR || \
> -               !BR2_TOOLCHAIN_HAS_THREADS || \
> +       depends on !BR2_TOOLCHAIN_USES_GLIBC || \
>                 !BR2_TOOLCHAIN_HAS_SSP || \
> -               BR2_STATIC_LIBS || \
>                 !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
>
>  config BR2_INIT_NONE
> --
> 2.14.1
>
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-- 
Matthew L Weber / Pr Software Engineer
Airborne Information Systems / RC Linux Secure Platforms
MS 131-100, C Ave NE, Cedar Rapids, IA, 52498, USA
www.rockwellcollins.com

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