[Buildroot] [PATCH 1/1] package/openssh: fix build for powerpc64le

[Buildroot] [PATCH 1/1] package/openssh: fix build for powerpc64le

[Bernd Kuhls]

Fixes:
https://autobuild.buildroot.net/results/40a/40a26d9831667233944e6aabf2388f02a8cf30ac/
https://gitlab.com/buildroot.org/buildroot/-/work_items/79

packet.c: In function 'ssh_packet_log_type':
packet.c:1219:1: sorry, unimplemented: argument 'used' is not supported
 for '-fzero-call-used-regs' on this target

Upstream bug report: https://bugzilla.mindrot.org/show_bug.cgi?id=3673

Upstream commit
https://github.com/openssh/openssh-portable/commit/29cf521486bf97ab9de5b9b356f812107e0671bc
which was first released with version 10.1 and was added to buildroot
with commit b52b3fd59dc6c86ef51b6cad5b76017f90c83beb introduced cache
variables to disable zero-call-used-regs when needed.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
Gitlab pipelines passed:
https://gitlab.com/bkuhls/buildroot/-/commits/3f6778e8438e1e6c172fdc60f1185aab8afb7443

 package/openssh/openssh.mk | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/package/openssh/openssh.mk b/package/openssh/openssh.mk
index 2f3088defe..5575ba4f97 100644
--- a/package/openssh/openssh.mk
+++ b/package/openssh/openssh.mk
@@ -36,6 +36,10 @@ define OPENSSH_PERMISSIONS
 	/var/empty d 755 root root - - - - -
 endef
 
+ifeq ($(BR2_powerpc64le),y)
+OPENSSH_CONF_ENV += ossh_cv_cflag__fzero_call_used_regs_used=no
+endif
+
 ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_110934),y)
 OPENSSH_CONF_OPTS += --without-hardening
 endif
-- 
2.47.3

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Re: [Buildroot] [PATCH 1/1] package/openssh: fix build for powerpc64le

[Julien Olivain via buildroot]

On 18/07/2026 10:58, Bernd Kuhls wrote:
> Fixes:
> https://autobuild.buildroot.net/results/40a/40a26d9831667233944e6aabf2388f02a8cf30ac/
> https://gitlab.com/buildroot.org/buildroot/-/work_items/79
> 
> packet.c: In function 'ssh_packet_log_type':
> packet.c:1219:1: sorry, unimplemented: argument 'used' is not supported
>  for '-fzero-call-used-regs' on this target
> 
> Upstream bug report: https://bugzilla.mindrot.org/show_bug.cgi?id=3673
> 
> Upstream commit
> https://github.com/openssh/openssh-portable/commit/29cf521486bf97ab9de5b9b356f812107e0671bc
> which was first released with version 10.1 and was added to buildroot
> with commit b52b3fd59dc6c86ef51b6cad5b76017f90c83beb introduced cache
> variables to disable zero-call-used-regs when needed.
> 
> Signed-off-by: Bernd Kuhls <bernd@kuhls.net>

Applied to master, thanks.
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Re: [Buildroot] [PATCH 1/1] package/openssh: fix build for powerpc64le

[Thomas Perale via buildroot]

In reply of:
> Fixes:
> https://autobuild.buildroot.net/results/40a/40a26d9831667233944e6aabf2388f02a8cf30ac/
> https://gitlab.com/buildroot.org/buildroot/-/work_items/79
> 
> packet.c: In function 'ssh_packet_log_type':
> packet.c:1219:1: sorry, unimplemented: argument 'used' is not supported
>  for '-fzero-call-used-regs' on this target
> 
> Upstream bug report: https://bugzilla.mindrot.org/show_bug.cgi?id=3673
> 
> Upstream commit
> https://github.com/openssh/openssh-portable/commit/29cf521486bf97ab9de5b9b356f812107e0671bc
> which was first released with version 10.1 and was added to buildroot
> with commit b52b3fd59dc6c86ef51b6cad5b76017f90c83beb introduced cache
> variables to disable zero-call-used-regs when needed.
> 
> Signed-off-by: Bernd Kuhls <bernd@kuhls.net>

Applied to 2025.02.x & 2026.05.x. Thanks

> ---
> Gitlab pipelines passed:
> https://gitlab.com/bkuhls/buildroot/-/commits/3f6778e8438e1e6c172fdc60f1185aab8afb7443
> 
>  package/openssh/openssh.mk | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/package/openssh/openssh.mk b/package/openssh/openssh.mk
> index 2f3088defe..5575ba4f97 100644
> --- a/package/openssh/openssh.mk
> +++ b/package/openssh/openssh.mk
> @@ -36,6 +36,10 @@ define OPENSSH_PERMISSIONS
>  	/var/empty d 755 root root - - - - -
>  endef
>  
> +ifeq ($(BR2_powerpc64le),y)
> +OPENSSH_CONF_ENV += ossh_cv_cflag__fzero_call_used_regs_used=no
> +endif
> +
>  ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_110934),y)
>  OPENSSH_CONF_OPTS += --without-hardening
>  endif
> -- 
> 2.47.3
> 
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot
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