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package/systemd: fix compiling with headers < 4.14

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In commit 360a7cd738 ("package/systemd:
bump linux-headers dependency to 4.14"), the headers requirements were
bumped to 4.14 because of new build failures due to
LOOP_SET_BLOCK_SIZE.

Even though systemd does not recommend using it with headers <
4.15 (see [1]), it is still possible to build it and use some of its
features (after fixing the build failure).

Note that this was build-tested with 4.4 headers only, and not all the
way back to 3.15 (which is the version requirement that was used
before 360a7cd738).

[1]: https://github.com/systemd/systemd/blob/main/README

Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Raphaël Mélotte
2024-06-17 10:03:09 +02:00
committed by Thomas Petazzoni
parent 60c8807c69
commit 63b4cbacb1
3 changed files with 45 additions and 6 deletions
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6
system/Config.in
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@@ -125,19 +125,19 @@ config BR2_INIT_SYSTEMD
depends on BR2_TOOLCHAIN_USES_GLIBC
depends on BR2_TOOLCHAIN_HAS_SSP
depends on BR2_TOOLCHAIN_HAS_THREADS
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14
depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15
depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5
depends on BR2_HOST_GCC_AT_LEAST_5
select BR2_ROOTFS_MERGED_USR
select BR2_PACKAGE_SYSTEMD
select BR2_PACKAGE_SKELETON_INIT_SYSTEMD if BR2_ROOTFS_SKELETON_DEFAULT
comment "systemd needs a glibc toolchain w/ SSP, headers >= 4.14, host and target gcc >= 5"
comment "systemd needs a glibc toolchain w/ SSP, headers >= 3.15, host and target gcc >= 5"
depends on BR2_PACKAGE_SYSTEMD_ARCH_SUPPORTS
depends on BR2_USE_MMU
depends on !BR2_TOOLCHAIN_USES_GLIBC || \
!BR2_TOOLCHAIN_HAS_SSP || \
!BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_14 || \
!BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_15 || \
!BR2_TOOLCHAIN_GCC_AT_LEAST_5 || \
!BR2_HOST_GCC_AT_LEAST_5