From: Thomas Perale via buildroot <buildroot@buildroot.org>
To: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Thomas Perale <thomas.perale@mind.be>, buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH 2/2] package/gdb: handle xxhash optional dependency
Date: Fri, 4 Sep 2026 14:18:36 +0200 [thread overview]
Message-ID: <20260904121836.405669-1-thomas.perale@mind.be> (raw)
In-Reply-To: <20260824213315.3323882-2-thomas.petazzoni@bootlin.com>
In reply of:
> Since gdb 9.x, gdb can optionally use the xxhash library. Since we
> currently don't do anything about it, it's a potential "silent"
> dependency.
>
> In particular, for host-gdb, this means host-gdb might end up being
> linked with the system-provided xxhash library if available.
>
> This patch handles this dependency:
>
> - For the target package, by looking at the value of
> BR2_PACKAGE_XXHASH
>
> - For the host package, by looking at the value of a newly introduced
> BR2_PACKAGE_HOST_GDB_XXHASH
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Applied to 2025.02.x & 2026.05.x. Thanks
> ---
> package/gdb/Config.in.host | 5 +++++
> package/gdb/gdb.mk | 16 ++++++++++++++++
> 2 files changed, 21 insertions(+)
>
> diff --git a/package/gdb/Config.in.host b/package/gdb/Config.in.host
> index 823c2e9966..61fe32d8ff 100644
> --- a/package/gdb/Config.in.host
> +++ b/package/gdb/Config.in.host
> @@ -49,6 +49,11 @@ config BR2_PACKAGE_HOST_GDB_LZMA
> help
> This option enables lzma support in the cross gdb.
>
> +config BR2_PACKAGE_HOST_GDB_XXHASH
> + bool "xxhash support"
> + help
> + This option enables xxhash support in the cross gdb.
> +
> choice
> prompt "GDB debugger Version"
> default BR2_GDB_VERSION_16
> diff --git a/package/gdb/gdb.mk b/package/gdb/gdb.mk
> index ebb80072cf..cfec0585da 100644
> --- a/package/gdb/gdb.mk
> +++ b/package/gdb/gdb.mk
> @@ -217,6 +217,14 @@ else
> GDB_CONF_OPTS += --without-expat
> endif
>
> +ifeq ($(BR2_PACKAGE_XXHASH),y)
> +GDB_CONF_OPTS += --with-xxhash
> +GDB_CONF_OPTS += --with-xxhash-prefix=$(STAGING_DIR)/usr
> +GDB_DEPENDENCIES += xxhash
> +else
> +GDB_CONF_OPTS += --without-xxhash
> +endif
> +
> ifeq ($(BR2_PACKAGE_XZ),y)
> GDB_CONF_OPTS += --with-lzma
> GDB_CONF_OPTS += --with-liblzma-prefix=$(STAGING_DIR)/usr
> @@ -301,6 +309,14 @@ else
> HOST_GDB_CONF_OPTS += --without-lzma
> endif
>
> +ifeq ($(BR2_PACKAGE_HOST_GDB_XXHASH),y)
> +HOST_GDB_CONF_OPTS += --with-xxhash
> +HOST_GDB_CONF_OPTS += --with-xxhash-prefix=$(HOST_DIR)
> +HOST_GDB_DEPENDENCIES += host-xxhash
> +else
> +HOST_GDB_CONF_OPTS += --without-xxhash
> +endif
> +
> # Since gdb 9, in-tree builds for GDB are not allowed anymore,
> # so we create a 'build' subdirectory in the gdb sources, and
> # build from there.
> --
> 2.55.0
>
> _______________________________________________
> buildroot mailing list
> buildroot@buildroot.org
> https://lists.buildroot.org/mailman/listinfo/buildroot
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next prev parent reply other threads:[~2026-09-04 12:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-24 21:33 [Buildroot] [PATCH 1/2] package/gdb: handle lzma option for host-gdb Thomas Petazzoni via buildroot
2026-08-24 21:33 ` [Buildroot] [PATCH 2/2] package/gdb: handle xxhash optional dependency Thomas Petazzoni via buildroot
2026-08-25 11:49 ` Peter Korsgaard
2026-09-04 12:18 ` Thomas Perale via buildroot [this message]
2026-08-25 11:48 ` [Buildroot] [PATCH 1/2] package/gdb: handle lzma option for host-gdb Peter Korsgaard
2026-09-04 12:18 ` Thomas Perale via buildroot
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