直到最近，我还能够在我的 mac osx 10.8.4 上很好地编译 mex 函数，但现在它给了我如下错误（为方便起见，我已经包含了整个 -v 调用）：
**************************************************************************
Warning: Neither -compatibleArrayDims nor -largeArrayDims is selected.
Using -compatibleArrayDims. In the future, MATLAB will require
the use of -largeArrayDims and remove the -compatibleArrayDims
option. For more information, see:
http://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-
api.html
**************************************************************************
-> mexopts.sh sourced from directory (DIR = .)
FILE = /Users/munanxu/Dropbox/Code/CUDA/mexThomasTDM/mexopts.sh
----------------------------------------------------------------
-> MATLAB = /Applications/MATLAB_R2013a.app
-> CC = xcrun -sdk macosx10.7 clang
-> CC flags:
CFLAGS = -fno-common -arch x86_64 -isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOS
X10.7.sdk -mmacosx-version-min=10.7 -fexceptions
CDEBUGFLAGS = -g
COPTIMFLAGS = -O2 -DNDEBUG
CLIBS = -L/Applications/MATLAB_R2013a.app/bin/maci64 -lmx -lmex -lmat -
lstdc++
arguments = -DMX_COMPAT_32
-> CXX = xcrun -sdk macosx10.7 clang++
-> CXX flags:
CXXFLAGS = -fno-common -fexceptions -arch x86_64 -isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX
10.7.sdk -mmacosx-version-min=10.7
CXXDEBUGFLAGS = -g
CXXOPTIMFLAGS = -O2 -DNDEBUG
CXXLIBS = -L/Applications/MATLAB_R2013a.app/bin/maci64 -lmx -lmex -lmat -
lstdc++
arguments = -DMX_COMPAT_32
-> FC = gfortran
-> FC flags:
FFLAGS = -fexceptions -m64 -fbackslash
FDEBUGFLAGS = -g
FOPTIMFLAGS = -O
FLIBS = -L/Applications/MATLAB_R2013a.app/bin/maci64 -lmx -lmex -lmat -L
-lgfortran -L -lgfortranbegin
arguments = -DMX_COMPAT_32
-> LD = xcrun -sdk macosx10.7 clang
-> Link flags:
LDFLAGS = -arch x86_64 -Wl,-
syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/
SDKs/MacOSX10.7.sdk -mmacosx-version-min=10.7 -bundle -Wl,-
exported_symbols_list,/Applications/MATLAB_R2013a.app/extern/lib/maci64/mexFunction.map
LDDEBUGFLAGS = -g
LDOPTIMFLAGS = -O
LDEXTENSION = .mexmaci64
arguments =
-> LDCXX =
-> Link flags:
LDCXXFLAGS =
LDCXXDEBUGFLAGS =
LDCXXOPTIMFLAGS =
LDCXXEXTENSION =
arguments =
----------------------------------------------------------------
-> xcrun -sdk macosx10.7 clang -g -arch x86_64 -Wl,-
syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/
SDKs/MacOSX10.7.sdk -mmacosx-version-min=10.7 -bundle -Wl,-
exported_symbols_list,/Applications/MATLAB_R2013a.app/extern/lib/maci64/mexFunction.map -o
"inputsTest.mexmaci64" "inputsTest.o" -L/Applications/MATLAB_R2013a.app/bin/maci64 -lmx
-lmex -lmat -lstdc++
Undefined symbols for architecture x86_64:
"_mexFunction", referenced from:
-exported_symbol[s_list] command line option
ld: symbol(s) not found for architecture x86_64
我已将原始 mexopts.sh 文件复制到本地目录，以确保 mex 编译器使用正确的版本。我之前也使用 g++ 编译了我的 cpp 文件，只是为了确保代码是为 x86_64 架构本地编译的。但是，当我尝试使用 mex 编译器进行编译和链接时，会出现相同的结果。关于这里可能发生的事情的任何想法？似乎人们以前遇到过这个问题，但主要是缺少库或定义。我已经在我的源文件中明确定义了一个 mexFunction。