[Buildroot] [PATCH v1] package/qt5/qt5base: handle sse2/sse3/ssse3/sse4.1/sse4.2/avx/avx2 configuration
Titouan Christophe
titouan.christophe at railnova.eu
Mon Feb 4 16:34:01 UTC 2019
Hi Peter,
On Fri, 2019-02-01 at 21:24 +0100, Peter Seiderer wrote:
> The Qt configure auto detection (and anounced runtime detection
> feature) failes (see e.g. [1]), so override the configuration
> with the buildroot determined settings.
>
> [1] http://lists.busybox.net/pipermail/buildroot/2019-January/241862.
> html
>
> Reported-by: David Picard <dplamp at gmx.com>
> Signed-off-by: Peter Seiderer <ps.report at gmx.net>
> ---
> Notes:
> - suggested by Arnout Vandecappelle [2]
>
> [2] http://lists.busybox.net/pipermail/buildroot/2019-January/242030.
> html
> ---
> package/qt5/qt5base/qt5base.mk | 31 +++++++++++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
> diff --git a/package/qt5/qt5base/qt5base.mk
> b/package/qt5/qt5base/qt5base.mk
> index d10f233b46..b84efcc2bf 100644
> --- a/package/qt5/qt5base/qt5base.mk
> +++ b/package/qt5/qt5base/qt5base.mk
> @@ -33,6 +33,37 @@ else
> QT5BASE_DEPENDENCIES += pcre2
> endif
>
> +ifeq ($(BR2_X86_CPU_HAS_SSE2),)
> +QT5BASE_CONFIGURE_OPTS += -no-sse2
> +else
> +ifeq ($(BR2_X86_CPU_HAS_SSE3),)
> +QT5BASE_CONFIGURE_OPTS += -no-sse3
> +else
> +ifeq ($(BR2_X86_CPU_HAS_SSSE3),)
> +QT5BASE_CONFIGURE_OPTS += -no-ssse3
> +else
> +ifeq ($(BR2_X86_CPU_HAS_SSE4),)
> +QT5BASE_CONFIGURE_OPTS += -no-sse4.1
> +else
> +ifeq ($(BR2_X86_CPU_HAS_SSE42),)
> +QT5BASE_CONFIGURE_OPTS += -no-sse4.2
> +else
> +ifeq ($(BR2_X86_CPU_HAS_AVX),)
> +QT5BASE_CONFIGURE_OPTS += -no-avx
> +else
> +ifeq ($(BR2_X86_CPU_HAS_AVX2),)
> +QT5BASE_CONFIGURE_OPTS += -no-avx2
> +else
> +# no BR2_X86_CPU_HAS_AVX512 for qt configure option
> +# '-no-avx512' (available for latest)
> +endif
> +endif
> +endif
> +endif
> +endif
> +endif
> +endif
Does -no-sse2 implies -no-sse3, -no-ssse3, ... and so on and so forth ?
This is not very clear from the docs I found.
> +
> QT5BASE_CONFIGURE_OPTS += $(call
> qstrip,$(BR2_PACKAGE_QT5BASE_CUSTOM_CONF_OPTS))
>
> ifeq ($(BR2_PACKAGE_LIBDRM),y)
Otherwise looks reasonable.
Have a nice Monday !
Titouan
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