[Buildroot] [PATCH] support/testing: TestSELinuxSystemd{Ext4, Squashfs} add midding libelf kernel dependency

[Buildroot] [PATCH] support/testing: TestSELinuxSystemd{Ext4, Squashfs} add midding libelf kernel dependency

[Romain Naour]

objtool built by the kernel requires libelf

ldd TestSELinuxSystemdExt4/build/linux-6.1.26/tools/objtool/objtool
  linux-vdso.so.1
  libelf.so.1 => TestSELinuxSystemdExt4/host/lib/libelf.so.1

While updating the kernel used in TestSELinuxSystemd [1] we
forgot to select BR2_LINUX_KERNEL_NEEDS_HOST_LIBELF to provide
Buildroot's host-libelf. Using host-libelf avoid linking with
libelf installed on the host or failing to build objtool if
libelf is not installed.

[1] 60b84fb7ce4612b2b14a675e28331111468e1f2b

Fixes:
https://gitlab.com/buildroot.org/buildroot/-/jobs/4725186370 (TestSELinuxSystemdSquashfs)
https://gitlab.com/buildroot.org/buildroot/-/jobs/4725186368 (TestSELinuxSystemdExt4)

Signed-off-by: Romain Naour <romain.naour@gmail.com>
---
 support/testing/tests/init/test_systemd_selinux.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/support/testing/tests/init/test_systemd_selinux.py b/support/testing/tests/init/test_systemd_selinux.py
index 5f91243f37..fab23e3330 100644
--- a/support/testing/tests/init/test_systemd_selinux.py
+++ b/support/testing/tests/init/test_systemd_selinux.py
@@ -15,6 +15,7 @@ class TestSELinuxSystemd(infra.basetest.BRTest):
         BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.26"
         BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
         BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/x86_64/linux.config"
+        BR2_LINUX_KERNEL_NEEDS_HOST_LIBELF=y
         BR2_PACKAGE_LIBSELINUX=y
         BR2_PACKAGE_REFPOLICY=y
         """
-- 
2.41.0

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Re: [Buildroot] [PATCH] support/testing: TestSELinuxSystemd{Ext4, Squashfs} add midding libelf kernel dependency

[Thomas Petazzoni via buildroot]

On Sun, 30 Jul 2023 01:14:34 +0200
Romain Naour <romain.naour@gmail.com> wrote:

> objtool built by the kernel requires libelf
> 
> ldd TestSELinuxSystemdExt4/build/linux-6.1.26/tools/objtool/objtool
>   linux-vdso.so.1
>   libelf.so.1 => TestSELinuxSystemdExt4/host/lib/libelf.so.1
> 
> While updating the kernel used in TestSELinuxSystemd [1] we
> forgot to select BR2_LINUX_KERNEL_NEEDS_HOST_LIBELF to provide
> Buildroot's host-libelf. Using host-libelf avoid linking with
> libelf installed on the host or failing to build objtool if
> libelf is not installed.
> 
> [1] 60b84fb7ce4612b2b14a675e28331111468e1f2b
> 
> Fixes:
> https://gitlab.com/buildroot.org/buildroot/-/jobs/4725186370 (TestSELinuxSystemdSquashfs)
> https://gitlab.com/buildroot.org/buildroot/-/jobs/4725186368 (TestSELinuxSystemdExt4)
> 
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> ---
>  support/testing/tests/init/test_systemd_selinux.py | 1 +
>  1 file changed, 1 insertion(+)

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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