System information (version)
- OpenCV => 3.4
- Operating System / Platform => Windows 10 64 Bit
- Compiler => GCC/G++ 4.9.3 (MinGW 64)
Detailed description
I receive the following linking error when trying to compile OpenCV 3.4 on Windows 10 with MinGW 64.
[ 41%] Linking CXX shared library ../../bin/libopencv_core340.dll
C:/Rtools/mingw_64/bin/../lib/gcc/x86_64-w64-mingw32/4.9.3/../../../../x86_64-w64-mingw32/bin/ld.exe: i386 architecture of input file `CMakeFiles/opencv_core.dir/objects.a(vs_version.rc.obj)' is incompatible with i386:x86-64 output
collect2.exe: error: ld returned 1 exit status
make[2]: *** [bin/libopencv_core340.dll] Error 1
make[1]: *** [modules/core/CMakeFiles/opencv_core.dir/all] Error 2
make: *** [all] Error 2
Steps to reproduce
Cmake command:
cmake -G "Unix Makefiles" -DCMAKE_C_COMPILER=C:/Rtools/mingw_64/bin/gcc.exe -DCMAKE_CXX_COMPILER=C:/Rtools/mingw_64/bin/g++.exe -DENABLE_PRECOMPILED_HEADERS=OFF -DBUILD_opencv_world=OFF -DBUILD_opencv_contrib_world=OFF -DBUILD_matlab=OFF -DPYTHON_EXECUTABLE=OFF -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=../../../opencv/ ../
Cmake output:
-- General configuration for OpenCV 3.4.0 =====================================
-- Version control: unknown
--
-- Platform:
-- Timestamp: 2018-01-10T17:12:14Z
-- Host: Windows 10.0.16299 AMD64
-- CMake: 3.7.2
-- CMake generator: Unix Makefiles
-- CMake build tool: C:/Rtools/bin/make.exe
-- Configuration: RELEASE
--
-- CPU/HW features:
-- Baseline: SSE SSE2 SSE3
-- requested: SSE3
-- Dispatched code generation: SSE4_1 SSE4_2 FP16 AVX AVX2
-- requested: SSE4_1 SSE4_2 AVX FP16 AVX2
-- SSE4_1 (3 files): + SSSE3 SSE4_1
-- SSE4_2 (1 files): + SSSE3 SSE4_1 POPCNT SSE4_2
-- FP16 (2 files): + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 AVX
-- AVX (5 files): + SSSE3 SSE4_1 POPCNT SSE4_2 AVX
-- AVX2 (9 files): + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 FMA3 AVX AVX2
--
-- C/C++:
-- Built as dynamic libs?: YES
-- C++ Compiler: C:/Rtools/mingw_64/bin/g++.exe (ver 4.9.3)
-- C++ flags (Release): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG
-- C++ flags (Debug): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG
-- C Compiler: C:/Rtools/mingw_64/bin/gcc.exe
-- C flags (Release): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG
-- C flags (Debug): -fsigned-char -mstackrealign -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -Wno-long-long -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG
-- Linker flags (Release): -Wl,--gc-sections
-- Linker flags (Debug): -Wl,--gc-sections
-- ccache: NO
-- Precompiled headers: NO
-- Extra dependencies:
-- 3rdparty dependencies:
--
-- OpenCV modules:
-- To be built: calib3d core dnn features2d flann highgui imgcodecs imgproc ml objdetect photo python_bindings_generator shape stitching superres ts video videoio videostab
-- Disabled: js world
-- Disabled by dependency: -
-- Unavailable: cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev java python2 python3 viz
-- Applications: tests perf_tests apps
-- Documentation: NO
-- Non-free algorithms: NO
--
-- Windows RT support: NO
--
-- GUI:
-- Win32 UI: YES
-- VTK support: NO
--
-- Media I/O:
-- ZLib: build (ver 1.2.11)
-- JPEG: build (ver 90)
-- WEBP: build (ver encoder: 0x020e)
-- PNG: build (ver 1.6.34)
-- TIFF: build (ver 42 - 4.0.9)
-- JPEG 2000: build (ver 1.900.1)
-- OpenEXR: build (ver 1.7.1)
--
-- Video I/O:
-- Video for Windows: YES
-- DC1394: NO
-- FFMPEG: YES (prebuilt binaries)
-- avcodec: YES (ver 57.89.100)
-- avformat: YES (ver 57.71.100)
-- avutil: YES (ver 55.58.100)
-- swscale: YES (ver 4.6.100)
-- avresample: YES (ver 3.5.0)
-- GStreamer: NO
-- DirectShow: YES
--
-- Parallel framework: none
--
-- Trace: YES (built-in)
--
-- Other third-party libraries:
-- Lapack: NO
-- Eigen: NO
-- Custom HAL: NO
--
-- NVIDIA CUDA: NO
--
-- OpenCL: YES (no extra features)
-- Include path: C:/Users/Simon/Downloads/opencv-3.4.0/3rdparty/include/opencl/1.2
-- Link libraries: Dynamic load
--
-- Python (for build): NO
--
-- Java:
-- ant: NO
-- JNI: NO
-- Java wrappers: NO
-- Java tests: NO
--
-- Matlab: NO
--
-- Install to: C:/Users/Simon/opencv
-- -----------------------------------------------------------------
--
-- Configuring done
-- Generating done
-- Build files have been written to: C:/Users/Simon/Downloads/opencv-3.4.0/build64