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Date:      Tue, 22 Oct 2013 08:28:44 +0200
From:      Rainer Hurling <rhurlin@gwdg.de>
To:        jhale@FreeBSD.org
Cc:        "O. Hartmann" <ohartman@zedat.fu-berlin.de>, FreeBSD Ports <freebsd-ports@freebsd.org>
Subject:   [SOLVED] Re: graphics/opencv: on CURRENT (r255472): c++ issue resulting in: error: use of undeclared identifier 'usleep' usleep(1000); ^ 1 error
Message-ID:  <52661B1C.9040803@gwdg.de>
In-Reply-To: <5252B14D.6010405@gwdg.de>
References:  <20130911174141.78870fac@thor.walstatt.dyndns.org> <5252B14D.6010405@gwdg.de>

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Just for the record. r331209 solved this issue for me.

Thanks for the work,
Rainer Hurling


Am 07.10.2013 15:04 (UTC+1) schrieb Rainer Hurling:
> Maintainer CC'ed
> 
> Am 11.09.2013 17:41 (UTC+1) schrieb O. Hartmann:
>> Recompiling everything installed due to the iconv-issue and the
>> extraction of the GNUish libstdc++ in favor of the new libc++, I run
>> permanently into the problem of a compiler (c++) stopp at
>> graphics/opencv due to the error shown below.
>>
>> I'm getting crazy here, since I have successfully compiled opencv on
>> two other boxes running the most recent CURRENT with no libstdc++ and
>> no converters/libiconv any more.
>>
>> Doing 
>>
>> portmaster -f graphics/opencv
>>
>> results in getting everything built, except graphics/opencv!
>>
>> graphics/opencv seems to be a prerequisite for the build of
>> devel/kdevelop-kde4, which also is a stopgap at the moment and is very
>> resiliant in getting compiled.
>>
>> Can someone shed light and hints onto this?
>>
>> Thanks in advance,
>> Oliver
>>
>>
>> [...]
>> /usr/local/include/libavformat/avformat.h:1578:26: note:
>> 'av_write_header' declared here attribute_deprecated int
>> av_write_header(AVFormatContext *s); ^
>> 12 warnings generated.
>> [  2%] Building CXX object
>> modules/highgui/CMakeFiles/opencv_highgui.dir/src/loadsave.o [  2%]
>> Building CXX object
>> modules/highgui/CMakeFiles/opencv_highgui.dir/src/precomp.o [  2%]
>> Building CXX object
>> modules/highgui/CMakeFiles/opencv_highgui.dir/src/utils.o [  3%]
>> Building CXX object
>> modules/highgui/CMakeFiles/opencv_highgui.dir/src/window.o [  3%]
>> Building CXX object
>> modules/highgui/CMakeFiles/opencv_highgui.dir/src/window_QT.o /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/highgui/src/window_QT.cpp:316:5:
>> error: use of undeclared identifier 'usleep' usleep(1000); ^ 1 error
>> generated. *** Error code 1
>>
> 
> This error can be avoided by using the patch of PR 182443,
> http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/182443 .
> 
> After that, another error occured at least on my very recent
> 10.0-CURRENT clang boxes:
> 
> [..SNIP..]
> Scanning dependencies of target opencv_python
> [ 53%] Building CXX object
> modules/python/CMakeFiles/opencv_python.dir/src2/cv2.o
> In file included from
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cpp:9:
> In file included from
> /usr/local/lib/python2.7/site-packages/numpy/core/include/numpy/ndarrayobject.h:17:
> In file included from
> /usr/local/lib/python2.7/site-packages/numpy/core/include/numpy/ndarraytypes.h:1728:
> /usr/local/lib/python2.7/site-packages/numpy/core/include/numpy/npy_deprecated_api.h:11:2:
> warning:
>       "Using deprecated NumPy API, disable it by #defining
> NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION"
>       [-W#warnings]
> #warning "Using deprecated NumPy API, disable it by #defining
> NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION"
>  ^
> In file included from
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cpp:900:
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cv.hpp:2172:12:
> error: C-style cast
>       from 'nullptr_t' to 'CvNextEdgeType' is not allowed
>     *dst = (CvNextEdgeType)NULL;
>            ^~~~~~~~~~~~~~~~~~~~
> In file included from
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cpp:900:
> In file included from
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cv.hpp:3871:
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/generated0.i:2387:1:
> warning: cast to
>       '_object *' from smaller integer type 'int' [-Wint-to-pointer-cast]
> CVPY_VALIDATE_DrawChessboardCorners();
> ^
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cv.hpp:3832:12:
> note: expanded from
>       macro 'CVPY_VALIDATE_DrawChessboardCorners'
>     return (PyObject*)failmsg("Size is %dx%d, but corner list is length
> %d", patternSize.width, ...
>            ^
> In file included from
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cpp:900:
> In file included from
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cv.hpp:3871:
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/generated0.i:6440:11:
> warning: cast to
>       '_object *' from smaller integer type 'int' [-Wint-to-pointer-cast]
>   ERRWRAP(cvSnakeImage(image, points.p,points.count, alpha.f, beta.f,
> gamma.f, win, criteria, ca...
>           ^
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cv.hpp:3851:14:
> note: expanded from
>       macro 'cvSnakeImage'
>       return (PyObject*)failmsg("SnakeImage weights invalid"); \
>              ^
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cv.hpp:158:29:
> note: expanded from
>       macro 'ERRWRAP'
> #define ERRWRAP(F) ERRWRAPN(F, NULL) // for most functions, exception ->
> NULL return
>                             ^
> /usr/ports/graphics/opencv/work/OpenCV-2.3.1/modules/python/src2/cv2.cv.hpp:149:13:
> note: expanded from
>       macro 'ERRWRAPN'
>             F; \
>             ^
> 3 warnings and 1 error generated.
> *** Error code 1
> Stop.
> make[4]: stopped in /usr/ports/graphics/opencv/work/OpenCV-2.3.1
> *** Error code 1
> 
> 
> I am pretty helpless with this 'C-style cast error'. Any hints are
> really appreciated.
> 
> Thanks in advance,
> Rainer Hurling
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