[Buildroot] [PATCH 3/3] opencv: bump version to 2.4.6

Samuel Martin s.martin49 at gmail.com
Sun Jul 7 20:21:35 UTC 2013


Hi Thomas,

2013/7/7 Thomas Petazzoni <thomas.petazzoni at free-electrons.com>:
> Dear Samuel Martin,
>
> On Sun,  7 Jul 2013 20:44:55 +0200, Samuel Martin wrote:
>> Also:
>> - add license details;
>> - add new modules option;
>> - explicitly disable python support to avoid being confuse by the one from the
>>   host;
>> - update qt support (now handle qt4/qt5)
>
> It would probably be good if some of those changes were split in
> separate patches. The license, bump, python stuff are fairly
> uncontroversial, so they could get merged quickly. I believe the Qt
> part will most likely require more work.
Right, will do on the next round. ;)

>
>> +if BR2_INSTALL_LIBSTDCPP && (!BR2_avr32 || (BR2_USE_WCHAR && BR2_INET_IPV6 && BR2_TOOLCHAIN_HAS_THREADS)) # qt{4,5} dependencies
>> +
>> +if !BR2_PACKAGE_QT && !BR2_PACKAGE_QT5
>> +comment "Qt support not available."
>> +comment "Enable one of the Qt libraries before enabling Qt support in OpenCV"
>> +endif
>> +
>>  config BR2_PACKAGE_OPENCV_WITH_QT
>> -     bool "qt backend support"
>> -     depends on BR2_INSTALL_LIBSTDCPP
>> -     depends on !BR2_avr32 # qt
>> -     select BR2_PACKAGE_QT
>> -     select BR2_PACKAGE_QT_STL
>> -     default y
>> -     help
>> -       Use Qt with STL support
>> +     bool "Qt support"
>> +     #prompt "Qt4 support" if BR2_PACKAGE_QT
>> +     #prompt "Qt5 support" if BR2_PACKAGE_QT5
>
> Hum?
oops!

>
>> +     depends on BR2_PACKAGE_QT || BR2_PACKAGE_QT5
>
> Since you're using "depends on" for Qt, why do you need the complicated
> BR2_INSTALL_LIBSTDCPP ... condition above?
Hmm... Good catch!
Only the comments needs the above condition.

>
>> +     select BR2_PACKAGE_QT_STL             if BR2_PACKAGE_QT
>> +     select BR2_PACKAGE_QT5BASE            if BR2_PACKAGE_QT5
>> +     select BR2_PACKAGE_QT5BASE_CONCURRENT if BR2_PACKAGE_QT5
>> +     select BR2_PACKAGE_QT5BASE_TEST       if BR2_PACKAGE_QT5
>> +     select BR2_PACKAGE_QT5BASE_GUI        if BR2_PACKAGE_QT5
>> +     select BR2_PACKAGE_QT5BASE_WIDGETS    if BR2_PACKAGE_QT5
>> +
>> +endif # qt{4,5} dependencies
>
>> -OPENCV_VERSION = 2.4.2
>> +OPENCV_VERSION = 2.4.6
>>  OPENCV_SITE    = http://downloads.sourceforge.net/project/opencvlibrary/opencv-unix/$(OPENCV_VERSION)
>> -OPENCV_SOURCE  = OpenCV-$(OPENCV_VERSION).tar.bz2
>>  OPENCV_INSTALL_STAGING = YES
>> +OPENCV_LICENSE = BSD-3c
>> +OPENCV_LICENSE_FILES = doc/license.txt
>>
>> +OPENCV_CONF_ENV = PATH="$(TARGET_PATH)"
>
> Maybe this should be part of the CMake package infrastructure? It kind
> of makes sense to execute cmake with PATH="$(TARGET_PATH)", in order to
> allow cmake to pick up any host tool we might have built and installed
> in $(HOST_DIR).
yup.

>
>>  OPENCV_CONF_OPT += \
>>       -DCMAKE_BUILD_TYPE=$(if $(BR2_ENABLE_DEBUG),Debug,Release)   \
>>       -DBUILD_SHARED_LIBS=$(if $(BR2_PREFER_STATIC_LIB),OFF,ON)    \
>> @@ -47,13 +49,19 @@ OPENCV_CONF_OPT += \
>>       -DBUILD_opencv_nonfree=$(if $(BR2_PACKAGE_OPENCV_LIB_NONFREE),ON,OFF)   \
>>       -DBUILD_opencv_objdetect=$(if $(BR2_PACKAGE_OPENCV_LIB_OBJDETECT),ON,OFF) \
>>       -DBUILD_opencv_photo=$(if $(BR2_PACKAGE_OPENCV_LIB_PHOTO),ON,OFF)       \
>> -     -DBUILD_opencv_python=OFF                                               \
>>       -DBUILD_opencv_stitching=$(if $(BR2_PACKAGE_OPENCV_LIB_STITCHING),ON,OFF) \
>> +     -DBUILD_opencv_superres=$(if $(BR2_PACKAGE_OPENCV_LIB_SUPERRES),ON,OFF) \
>>       -DBUILD_opencv_ts=$(if $(BR2_PACKAGE_OPENCV_LIB_TS),ON,OFF)             \
>>       -DBUILD_opencv_video=$(if $(BR2_PACKAGE_OPENCV_LIB_VIDEO),ON,OFF)       \
>>       -DBUILD_opencv_videostab=$(if $(BR2_PACKAGE_OPENCV_LIB_VIDEOSTAB),ON,OFF) \
>>       -DBUILD_opencv_world=OFF
>>
>> +# Explicitly disable python to avoid confusing OpenCV, which comes with its
>> +# own implementation of the Python detection CMake module.
>> +OPENCV_CONF_OPT += \
>> +     -DBUILD_opencv_python=OFF \
>> +     -DPYTHON_EXECUTABLE=OFF
>
> Why not part of the OPENCV_CONF_OPT assignment above? For the comment?
Yes, for the comment.

>
>> +
>>  # Hardware support options.
>>  #
>>  # * PowerPC support is turned off since its only effect is altering CFLAGS,
>> @@ -141,8 +149,8 @@ OPENCV_CONF_OPT += -DWITH_PNG=OFF
>>  endif
>>
>>  ifeq ($(BR2_PACKAGE_OPENCV_WITH_QT),y)
>> -OPENCV_CONF_OPT += -DWITH_QT=ON
>> -OPENCV_DEPENDENCIES += qt
>> +OPENCV_CONF_OPT += -DWITH_QT=$(if $(BR2_PACKAGE_QT),4,5)
>> +OPENCV_DEPENDENCIES += $(if $(BR2_PACKAGE_QT),qt,qt5base)
>>  else
>>  OPENCV_CONF_OPT += -DWITH_QT=OFF
>>  endif
>
> Thomas
> --
> Thomas Petazzoni, Free Electrons
> Kernel, drivers, real-time and embedded Linux
> development, consulting, training and support.
> http://free-electrons.com



-- 
Samuel



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