opencv: error: 'posix_memalign' was not declared in this scope

Env:

OS: Windows 10 , 64 bits CMake: 3.12.0 Compiler: mingw-w64 with x86_64-8.1.0-posix-seh-rt_v6-rev0

Replication:

  1. Git clone OpenCV.git and OpenCV_contrib.git. Here:

OpenCV: 5115e5decbef657ceb234d21ad8e8e33a6c96ca4 OpenCV_Contrib: 7c619cba3379342aa59461dfb055acdb03b439f1

  1. Build with the command :
cmake -DCMAKE_BUILD_TYPE=Release ^
 -DENABLE_PRECOMPILED_HEADERS=OFF ^
 -DWITH_CUDA=OFF ^
 -DWITH_IPP=OFF ^
 -DWITH_MSMF=OFF ^
 -DWITH_OPENCL=OFF ^
 -DOPENCV_EXTRA_MODULES_PATH=c:\OpenCVContrib_GitDir\modules ^
 -G "MinGW Makefiles" ^
 c:\OpenCV_GitDir

then mingw32-make -j8. This will produce:

...\3rdparty\ade\ade-0.1.1c\sources\ade\source\alloc.cpp:31:16: error: 'posix_memalign' was not declared in this scope
     auto res = posix_memalign(&ret, std::max(sizeof(void*), alignment), size);

Observation:

Maybe the line jas_malloc.c#L106 https://github.com/opencv/opencv/blob/b39cd06249213220e802bb64260727711d9fc98c/3rdparty/libjasper/jas_malloc.c#L106 missed the HAVE_POSIX_MEMALIGN checking.

About this issue

  • Original URL
  • State: closed
  • Created 6 years ago
  • Comments: 28 (13 by maintainers)

Most upvoted comments

Wow, just noticed that. Let’s bump the ADE version to address this issue as well

+2
dmatveev on Nov 13, 2018

D’oh! Okay, after fixing my typo, unfortunately, the problem persists.

.../opencv-4.0.0/build $ cmake -DBUILD_opencv_gapi=OFF -DWITH_ADE=OFF -DCMAKE_CXX_FLAGS=-std=gnu++11 ..
...
.../opencv-4.0.0/build $ make
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/home/asundstrom/downloads/opencv-4.0.0/build/3rdparty/ade/ade-0.1.1d/sources/ade/source/alloc.cpp: In function ‘void* ade::aligned_alloc(std::size_t, std::size_t)’:
/home/asundstrom/downloads/opencv-4.0.0/build/3rdparty/ade/ade-0.1.1d/sources/ade/source/alloc.cpp:31:16: error: ‘posix_memalign’ was not declared in this scope
     auto res = posix_memalign(&ret, std::max(sizeof(void*), alignment), size);
                ^~~~~~~~~~~~~~
/home/asundstrom/downloads/opencv-4.0.0/build/3rdparty/ade/ade-0.1.1d/sources/ade/source/alloc.cpp:31:16: note: suggested alternative: ‘memalign’
     auto res = posix_memalign(&ret, std::max(sizeof(void*), alignment), size);
                ^~~~~~~~~~~~~~
                memalign
make[2]: *** [modules/CMakeFiles/ade.dir/build.make:63: modules/CMakeFiles/ade.dir/__/3rdparty/ade/ade-0.1.1d/sources/ade/source/alloc.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:605: modules/CMakeFiles/ade.dir/all] Error 2
make: *** [Makefile:161: all] Error 2
+1
aesundstrom on Dec 5, 2018

/cc @dmatveev @Hardcode84 relates #9237

ADE fix: https://github.com/opencv/ade/pull/6

+1
alalek on Oct 15, 2018
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