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qt: add QT_COORD_TYPE to double option

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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@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Julien D'Ascenzio 2015-04-22 10:34:18 +02:00 committed by Thomas Petazzoni
parent c90e587c35
commit 7619aba496
2 changed files with 15 additions and 0 deletions
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10
package/qt/Config.in
View File

@ -120,6 +120,16 @@ 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, but for
QT_COORD_TYPE, some people may want to use a double type
anyway for precision.
If unsure say n.
config BR2_PACKAGE_QT_QT3SUPPORT
bool "Compatibility with Qt3"
depends on BR2_PACKAGE_QT_GUI_MODULE

5
package/qt/qt.mk
View File

@ -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