[Buildroot] [PATCH v1 1/1] python: use system libffi for host-python
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Jun 27 15:56:18 UTC 2021
Christain, All,
On 2021-06-20 22:53 -0700, Christian Stewart spake thusly:
> From: Erico Nunes <nunes.erico at gmail.com>
>
> python2 contains a bundled copy of libffi which is currently out of sync with
> the latest libffi release. There is an option to use a system libffi, buildroot
> already uses it for the target python2 build and for python3. In python3, the
> bundled copy doesn't exist anymore and the system-provided libffi is required.
>
> The bundled copy currently fails to build on aarch64 host due to a missing
> definition of AARCH64_CALL_CONTEXT_SIZE. This define was removed from the
> headers in recent libffi releases and the host compiler might be including the
> system headers before the bundled headers.
>
> To solve this and since buildroot already relies on system libffi for target
> python2 and python3 anyway, switch host python2 to use system libffi.
>
> Signed-off-by: Erico Nunes <nunes.erico at gmail.com>
> Reviewed-by: Christian Stewart <christian at paral.in>
Applied to master, thanks.
Regards,
Yann E. MORIN.
> ---
>
> v1:
>
> Submitted on behalf of author from BugZilla:
>
> https://bugs.busybox.net/show_bug.cgi?id=13661#c4
> Signed-off-by: Christian Stewart <christian at paral.in>
> ---
> package/python/python.mk | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/package/python/python.mk b/package/python/python.mk
> index f4f9f8563b..ae99f382f9 100644
> --- a/package/python/python.mk
> +++ b/package/python/python.mk
> @@ -24,6 +24,7 @@ HOST_PYTHON_CONF_OPTS += \
> --disable-sqlite3 \
> --disable-tk \
> --with-expat=system \
> + --with-system-ffi \
> --disable-curses \
> --disable-codecs-cjk \
> --disable-nis \
> @@ -56,7 +57,7 @@ HOST_PYTHON_MAKE = $(MAKE1)
>
> PYTHON_DEPENDENCIES = host-python libffi $(TARGET_NLS_DEPENDENCIES)
>
> -HOST_PYTHON_DEPENDENCIES = host-expat host-zlib
> +HOST_PYTHON_DEPENDENCIES = host-expat host-libffi host-zlib
>
> ifeq ($(BR2_PACKAGE_HOST_PYTHON_SSL),y)
> HOST_PYTHON_DEPENDENCIES += host-openssl
> --
> 2.32.0
>
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