Question

我有一些代码在Linux和Windows中编译得很好，但在Mac中报告了不同目标文件中的重复符号错误。

编译器或链接器在Mac中有什么不同，可能是错误的来源？

这可能与模板和内联函数的使用有某种关系吗？

我想选择部分代码，但我不知道导致错误的原因是为了提取相关部分或构建MWE。

此外，标题确实有警卫。

在Mac上我使用的是MacPorts的gcc47，而在linux上我使用的是gcc 4.6，以防万一。

更新：

130个重复符号之一的示例：

Linking CXX executable train
duplicate symbol maxflow::Graph<int, int, int>::add_tweights(int, int, int) in:
CMakeFiles/train.dir/svm_struct_api.o
CMakeFiles/train.dir/inference.o

在ìnference.cpp和svm_struct_api.c

的Linux中编译行的摘录

[  6%] Building CXX object CMakeFiles/predict.dir/svm_struct_api.o
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[ 13%] Building CXX object CMakeFiles/predict.dir/inference.o
g++    -fopenmp -g -pg -D WITH_PNG -D WITH_OPENMP -D USE_REVERSE_INDEXING   -D USE_RAYS3D -D RAYS_MULTITHREADING   -D USE_ITK  -ftemplate-depth-50 -Wall -Wno-deprecated -msse2  -ftemplate-depth-50 -Wall -Wno-deprecated -msse2 -D USE_REVERSE_INDEXING  -D USE_LIBDAI -D USE_MAXFLOW  -fopenmp -g -pg -D WITH_PNG -D WITH_OPENMP -D USE_REVERSE_INDEXING   -D USE_RAYS3D -D RAYS_MULTITHREADING   -D USE_ITK -O3 -I/home/monso/code/ITK3/InsightToolkit-3.20.1/Code/Review [...] -I/home/monso/code/ITK3/InsightToolkit-3.20.1/build -I/home/monso/code/opencv/build -I/home/monso/code/opencv/include -I/home/monso/code/opencv/include/opencv -I/home/monso/code/opencv/modules/core/include -I/home/monso/code/opencv/modules/imgproc/include -I/home/monso/code/opencv/modules/flann/include -I/home/monso/code/opencv/modules/highgui/include -I/home/monso/code/opencv/modules/features2d/include -I/home/monso/code/opencv/modules/calib3d/include -I/home/monso/code/opencv/modules/ml/include -I/home/monso/code/opencv/modules/video/include -I/home/monso/code/opencv/modules/objdetect/include -I/home/monso/code/opencv/modules/contrib/include -I/home/monso/code/opencv/modules/nonfree/include -I/home/monso/code/opencv/modules/photo/include -I/home/monso/code/opencv/modules/legacy/include -I/home/monso/code/opencv/modules/gpu/include -I/home/monso/code/opencv/modules/softcascade/include -I/home/monso/code/opencv/modules/stitching/include -I/home/monso/code/opencv/modules/ts/include -I/home/monso/code/opencv/modules/videostab/include -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../lib/graphCuts -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../core -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../shaders -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../lib/slic -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../lib/libsvm-3.0 -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../lib/rays3d -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../lib/libDAI024/include -I/home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/../../../lib/mpir    -o CMakeFiles/predict.dir/inference.o -c /home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/inference.cpp
/usr/bin/cmake -E cmake_progress_report /home/monso/code/mito/superpixels/branches/porting/tools/ssvm/core/build/CMakeFiles 14

以及Linux中构建线的摘录

Linking CXX executable predict
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[...]
[ 50%] Built target predict

在Mac

[  6%] Building CXX object CMakeFiles/predict.dir/svm_struct_api.o
g++    -fopenmp -g -pg -D WITH_PNG -D WITH_OPENMP -D USE_REVERSE_INDEXING   -D USE_RAYS3D -D RAYS_MULTITHREADING   -D USE_ITK   -D USE_REVERSE_INDEXING  -D USE_LIBDAI -D USE_MAXFLOW  -fopenmp -g -pg -D WITH_PNG -D WITH_OPENMP -D USE_REVERSE_INDEXING   -D USE_RAYS3D -D RAYS_MULTITHREADING   -D USE_ITK -O3 -I/Users/monso/code/InsightToolkit-3.20.1/Code/Review -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/gdcm/src -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities/gdcm -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities/vxl/core -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities/vxl/vcl -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities/vxl/v3p/netlib -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/vxl/core -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/vxl/vcl -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/vxl/v3p/netlib -I/Users/monso/code/InsightToolkit-3.20.1/Code/Numerics/Statistics -I/Users/monso/code/InsightToolkit-3.20.1/Utilities -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/itkExtHdrs -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/nifti/znzlib -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/nifti/niftilib -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/expat -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities/expat -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities/DICOMParser -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/DICOMParser -I/Users/monso/code/InsightToolkit-3.20.1/build/Utilities/NrrdIO -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/NrrdIO -I/Users/monso/code/InsightToolkit-3.20.1/Utilities/MetaIO -I/Users/monso/code/InsightToolkit-3.20.1/Code/SpatialObject -I/Users/monso/code/InsightToolkit-3.20.1/Code/Numerics/NeuralNetworks -I/Users/monso/code/InsightToolkit-3.20.1/Code/Numerics/FEM -I/Users/monso/code/InsightToolkit-3.20.1/Code/IO -I/Users/monso/code/InsightToolkit-3.20.1/Code/Numerics -I/Users/monso/code/InsightToolkit-3.20.1/Code/Common -I/Users/monso/code/InsightToolkit-3.20.1/Code/BasicFilters -I/Users/monso/code/InsightToolkit-3.20.1/Code/Algorithms -I/Users/monso/code/InsightToolkit-3.20.1/build -I/Users/monso/code/superpixels/branches/porting/lib/opencv/build -I/Users/monso/code/superpixels/branches/porting/lib/opencv/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/include/opencv -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/core/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/imgproc/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/flann/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/highgui/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/features2d/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/calib3d/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/ml/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/video/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/objdetect/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/contrib/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/photo/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/legacy/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/gpu/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/ocl/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/nonfree/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/stitching/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/superres/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/ts/include -I/Users/monso/code/superpixels/branches/porting/lib/opencv/modules/videostab/include -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../lib/graphCuts -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../core -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../shaders -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../lib/slic -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../lib/libsvm-3.0 -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../lib/rays3d -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../lib/libDAI024/include -I/Users/monso/code/superpixels/branches/porting/tools/ssvm/core/../../../lib/mpir -I/Users/monso/code/boost_1_51_0    -o CMakeFiles/predict.dir/svm_struct_api.o -c /Users/monso/code/superpixels/branches/porting/tools/ssvm/core/svm_struct_api.c

[ 13%] Building CXX object CMakeFiles/predict.dir/inference.o
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Mac中链接行的摘录

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/Users/monso/code/superpixels/branches/porting/lib/opencv/build/3rdparty/lib/libIlmImf.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/3rdparty/lib/liblibjasper.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/3rdparty/lib/liblibtiff.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/3rdparty/lib/liblibpng.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/3rdparty/lib/liblibjpeg.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/lib/libopencv_flann.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/lib/libopencv_imgproc.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/lib/libopencv_core.a /Users/monso/code/superpixels/branches/porting/lib/opencv/build/3rdparty/lib/libzlib.a -lstdc++ -framework OpenCL -framework Cocoa -framework QTKit -framework QuartzCore -framework AppKit /Users/monso/code/superpixels/branches/porting/lib/slic/build/libsupervoxel.a -lITKIO -lITKStatistics 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知道为什么在Mac中，符号被添加到两个不同的对象上？

使用cmake和gcc47在Mac OS X上复制符号，但在Linux和Windows上不复制

0 个答案: