[Buildroot] [PATCH RESEND] qt: add QT_COORD_TYPE to double option

[Yann E. MORIN]

Richard, All,

On 2015-04-22 10:34 +0200, Richard Genoud spake thusly:
> From: Julien D'Ascenzio <jdascenzio at paratronic.fr>
> 
> On ARM-based platforms, qreal is a typedef for float for performance
> reasons.
> But we may want a double precision anyway.
> 
> Signed-off-by: Richard Genoud <richard.genoud at gmail.com>

Reviewed-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Tested-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
[build-tested only with a minimal Qt config for cCortex A7]

Regards,
Yann E. MORIN.

> ---
> Rebased and compiled on master (21 april 2015) for arm926ej-s
> 
>  package/qt/Config.in | 7 +++++++
>  package/qt/qt.mk     | 5 +++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/package/qt/Config.in b/package/qt/Config.in
> index 43f5a0fc7c0d..c3922abb9f23 100644
> --- a/package/qt/Config.in
> +++ b/package/qt/Config.in
> @@ -120,6 +120,13 @@ config BR2_PACKAGE_QT_CONFIG_FILE
>  	  This option allows to set the path of such a configuration
>  	  file, which Buildroot will give to Qt at compile time.
>  
> +config BR2_PACKAGE_QT_QT_COORD_TYPE_DOUBLE
> +	bool "QT_COORD_TYPE to double"
> +	help
> +	  Set QT_COORD_TYPE to double
> +	  On ARM-based platforms, qreal is a typedef for float for performance reasons.
> +	  If unsure say n.
> +
>  config BR2_PACKAGE_QT_QT3SUPPORT
>  	bool "Compatibility with Qt3"
>  	depends on BR2_PACKAGE_QT_GUI_MODULE
> diff --git a/package/qt/qt.mk b/package/qt/qt.mk
> index 76acbfcea476..ce0a21ab288a 100644
> --- a/package/qt/qt.mk
> +++ b/package/qt/qt.mk
> @@ -46,6 +46,11 @@ QT_CFLAGS += -marm
>  QT_CXXFLAGS += -marm
>  endif
>  
> +ifeq ($(BR2_PACKAGE_QT_QT_COORD_TYPE_DOUBLE),y)
> +QT_CFLAGS += -DQT_COORD_TYPE=double
> +QT_CXXFLAGS += -DQT_COORD_TYPE=double
> +endif
> +
>  ifeq ($(BR2_PACKAGE_QT_QT3SUPPORT),y)
>  QT_CONFIGURE_OPTS += -qt3support
>  else
> -- 
> 2.3.4
> 
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