Running MacOS 13.5 on M1. VS Code v1.80.2 with C/C++ extension. MatLab vR2023a (full install, not runtime only). This is almost certainly an issue with my VS Code setup, and I'd really like to know how to do this properly for this and other projects.
I can create the sample program testFeval.cpp and build the executable using the MatLab command prompt, as described here. As described, I can create a cpp file with their test program code, then build the file from the MatLab prompt with:
>> mex -setup -client engine C++
>> mex -v -client engine testFeval.cpp
This creates an executable that I can run from MacOS terminal with % ./testFeval.cpp. The program runs fine.
However, I would like to develop the C++ in VS Code as described here. According to this page, I need these libraries (where matlabroot = '/Applications/MATLAB_R2023a.app'):
Engine library —
matlabroot/extern/bin/maci64/libMatlabEngine.dylibMATLAB Data Array library —
matlabroot/extern/bin/maci64/libMatlabDataArray.dylib
Per that page, I add this to ~./zshrc:
export DYLD_LIBRARY_PATH="/Applications/MATLAB_R2023a.app/extern/bin/maci64"
I also needs header files from "/Applications/MATLAB_R2023a.app/extern/include"
I add these to c_cpp_properties.json and tasks.json as suggested elsewhere on SO.
When I run the C/C++ File, I see many problems. Mostly missing header files, but also some linkage issues.
For example, VS Code can't find libmwordfilt2.h. But, I can confirm that it's in "/Applications/MATLAB_R2023a.app/extern/include"
All of the "missing" includes should be found with the paths added in "args" of tasks.json. Full tasks.json is:
{
"tasks": [
{
"type": "cppbuild",
"label": "C/C++: clang++ build active file",
"command": "/usr/bin/clang++",
"args": [
"-fcolor-diagnostics",
"-fansi-escape-codes",
"-I", // add directory to search paths, e.g., headers
"/Applications/MATLAB_R2023a.app/extern/include/**",
"/Applications/MATLAB_R2023a.app/extern/include",
"/Applications/MATLAB_R2023a.app/simulink/include",
"-L", // add directory to library search path
"/Applications/MATLAB_R2023a.app/extern/bin/maci64/libMatlabEngine.dylib",
"/Applications/MATLAB_R2023a.app/extern/bin/maci64/libMatlabDataArray.dylib",
"-g", // generate source-level debug info
"${file}",
// "-o", // write output to fileBasename (no extension)
// "${fileDirname}/${fileBasenameNoExtension}",
],
"options": {
"cwd": "${fileDirname}"
},
"group": {
"kind": "build",
"isDefault": true
},
"detail": "Task generated by Debugger.",
"dependsOn":["build_lib"]
}
],
"version": "2.0.0"
}
As far as I can tell, MatLab is using clang++, so I do too in c_cpp_properties.json:
{
"configurations": [
{
"name": "Mac",
"includePath": [
"${workspaceFolder}/**",
"/Applications/MATLAB_R2023a.app/extern/include/**",
"/Applications/MATLAB_R2023a.app/extern/include",
"/Applications/MATLAB_R2023a.app/extern/bin/maci64"
],
"defines": [],
"macFrameworkPath": [
"/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks"
],
"compilerPath": "/usr/bin/clang++",
"cStandard": "c11",
"cppStandard": "c++11",
"intelliSenseMode": "${default}"
}
],
"version": 4
}
When I build testFeval.cpp using the MatLab prompt in verbose mode, I get this output which may suggest some missing includes or configs:
>> mex -setup -client engine C++
ENGINE configured to use 'Xcode Clang++' for C++ language compilation.
>> mex -v -client engine testFeval.cpp
Verbose mode is on.
... Looking for compiler 'Xcode Clang++' ...
... Looking for environment variable 'DEVELOPER_DIR' ...No.
... Executing command 'xcode-select -print-path' ...Yes ('/Applications/Xcode.app/Contents/Developer').
... Looking for folder '/Applications/Xcode.app/Contents/Developer' ...Yes.
... Executing command 'which xcrun' ...Yes ('/usr/bin/xcrun').
... Looking for folder '/usr/bin' ...Yes.
... Executing command 'defaults read com.apple.dt.Xcode IDEXcodeVersionForAgreedToGMLicense' ...No.
... Executing command 'defaults read /Library/Preferences/com.apple.dt.Xcode IDEXcodeVersionForAgreedToGMLicense' ...Yes ('14.3.1').
... Executing command '
agreed=14.3.1
if echo $agreed | grep -E '[\.\"]' >/dev/null; then
lhs=`expr "$agreed" : '\([0-9]*\)[\.].*'`
rhs=`expr "$agreed" : '[0-9]*[\.]\(.*\)$'`
if echo $rhs | grep -E '[\."]' >/dev/null; then
rhs=`expr "$rhs" : '\([0-9]*\)[\.].*'`
fi
if [ $lhs -gt 4 ] || ( [ $lhs -eq 4 ] && [ $rhs -ge 3 ] ); then
echo $agreed
else
exit 1
fi
fi' ...Yes ('14.3.1').
... Executing command 'xcrun -sdk macosx --show-sdk-path' ...Yes ('/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk').
... Executing command 'xcrun -sdk macosx --show-sdk-version | awk 'BEGIN {FS="."} ; {print $1"."$2}'' ...Yes ('13.3').
... Executing command 'clang --version | grep -Eo '[0-9]+\.[0-9]+\.[0-9]'|head -1' ...Yes ('14.0.3').
Found installed compiler 'Xcode Clang++'.
Set INCLUDE = /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1;/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/14.0.3/include;/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include;/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk/usr/include;/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk/System/Library/Frameworks;
Options file details
-------------------------------------------------------------------
Compiler location: /Applications/Xcode.app/Contents/Developer
Options file: /Users/phillip_at_work/Library/Application Support/MathWorks/MATLAB/R2023a/ENGINE_C++_maci64.xml
CMDLINE100 : /usr/bin/xcrun -sdk macosx13.3 clang++ -c -DMATLAB_DEFAULT_RELEASE=R2017b -DUSE_MEX_CMD -DMATLAB_MEX_FILE -I"/Applications/MATLAB_R2023a.app/extern/include" -I"/Applications/MATLAB_R2023a.app/simulink/include" -fno-common -arch x86_64 -mmacosx-version-min=10.15 -fexceptions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -fobjc-arc -std=c++14 -stdlib=libc++ -O2 -fwrapv -DNDEBUG "/Users/phillip_at_work/Projects/matlab_cpp_test_v2/testFeval.cpp" -o /var/folders/c5/bhbgscv92tj3_x8y54q8rs8m0000gn/T/mex_67453097271459_5943/testFeval.o
CMDLINE200 : /usr/bin/xcrun -sdk macosx13.3 clang++ -Wl,-twolevel_namespace -undefined error -arch x86_64 -mmacosx-version-min=10.15 -Wl,-syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -framework Cocoa -stdlib=libc++ -O /var/folders/c5/bhbgscv92tj3_x8y54q8rs8m0000gn/T/mex_67453097271459_5943/testFeval.o -L"/Applications/MATLAB_R2023a.app/bin/maci64" -lmx -lmex -lmat -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine -leng -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine -o testFeval
CC : /usr/bin/xcrun -sdk macosx13.3 clang
CXX : /usr/bin/xcrun -sdk macosx13.3 clang++
DEFINES : -DMATLAB_DEFAULT_RELEASE=R2017b -DUSE_MEX_CMD -DMATLAB_MEX_FILE
MATLABMEX : -DMATLAB_MEX_FILE
MACOSX_DEPLOYMENT_TARGET : 10.15
CFLAGS : -fno-common -arch x86_64 -mmacosx-version-min=10.15 -fexceptions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk
CXXFLAGS : -fno-common -arch x86_64 -mmacosx-version-min=10.15 -fexceptions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -fobjc-arc -std=c++14 -stdlib=libc++
INCLUDE : -I"/Applications/MATLAB_R2023a.app/extern/include" -I"/Applications/MATLAB_R2023a.app/simulink/include"
CXXOPTIMFLAGS : -O2 -fwrapv -DNDEBUG
CXXDEBUGFLAGS : -g
LD : /usr/bin/xcrun -sdk macosx13.3 clang
LDXX : /usr/bin/xcrun -sdk macosx13.3 clang++
LDFLAGS : -Wl,-twolevel_namespace -undefined error -arch x86_64 -mmacosx-version-min=10.15 -Wl,-syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -framework Cocoa -stdlib=libc++
LDBUNDLE :
LINKEXPORT :
LINKEXPORTVER :
LINKEXPORTCPP :
LINKLIBS : -L"/Applications/MATLAB_R2023a.app/bin/maci64" -lmx -lmex -lmat -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine -leng -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine
LDOPTIMFLAGS : -O
LDDEBUGFLAGS : -g
OBJEXT : .o
LDEXT :
SETENV : CC="/usr/bin/xcrun -sdk macosx13.3 clang"
CXX="/usr/bin/xcrun -sdk macosx13.3 clang++"
CFLAGS="-fno-common -arch x86_64 -mmacosx-version-min=10.15 -fexceptions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -DMATLAB_DEFAULT_RELEASE=R2017b -DUSE_MEX_CMD -DMATLAB_MEX_FILE "
CXXFLAGS="-fno-common -arch x86_64 -mmacosx-version-min=10.15 -fexceptions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -fobjc-arc -std=c++14 -stdlib=libc++ -DMATLAB_DEFAULT_RELEASE=R2017b -DUSE_MEX_CMD -DMATLAB_MEX_FILE "
COPTIMFLAGS="-O2 -fwrapv -DNDEBUG"
CXXOPTIMFLAGS="-O2 -fwrapv -DNDEBUG"
CDEBUGFLAGS="-g"
CXXDEBUGFLAGS="-g"
LD="/usr/bin/xcrun -sdk macosx13.3 clang"
LDXX="/usr/bin/xcrun -sdk macosx13.3 clang++"
LDFLAGS="-Wl,-twolevel_namespace -undefined error -arch x86_64 -mmacosx-version-min=10.15 -Wl,-syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -framework Cocoa -stdlib=libc++ -L"/Applications/MATLAB_R2023a.app/bin/maci64" -lmx -lmex -lmat -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine -leng -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine "
LDDEBUGFLAGS="-g"
DEVELOPER_DIR_CHECK :
XCODE_DIR : /Applications/Xcode.app/Contents/Developer
XCRUN_DIR : /usr/bin
XCODE_AGREED_VERSION : 14.3.1
ISYSROOT : /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk
SDKVER : 13.3
CLANG_VERSION : 14.0.3
MATLABROOT : /Applications/MATLAB_R2023a.app
ARCH : maci64
SRC : "/Users/phillip_at_work/Projects/matlab_cpp_test_v2/testFeval.cpp"
OBJ : /var/folders/c5/bhbgscv92tj3_x8y54q8rs8m0000gn/T/mex_67453097271459_5943/testFeval.o
OBJS : /var/folders/c5/bhbgscv92tj3_x8y54q8rs8m0000gn/T/mex_67453097271459_5943/testFeval.o
SRCROOT : /Users/phillip_at_work/Projects/matlab_cpp_test_v2/testFeval
DEF : /var/folders/c5/bhbgscv92tj3_x8y54q8rs8m0000gn/T/mex_67453097271459_5943/testFeval.def
EXP : "testFeval.exp"
LIB : "testFeval.lib"
EXE : testFeval
ILK : "testFeval.ilk"
MANIFEST : "testFeval.manifest"
TEMPNAME : testFeval
EXEDIR :
EXENAME : testFeval
OPTIM : -O2 -fwrapv -DNDEBUG
LINKOPTIM : -O
-------------------------------------------------------------------
Building with 'Xcode Clang++'.
/usr/bin/xcrun -sdk macosx13.3 clang++ -c -DMATLAB_DEFAULT_RELEASE=R2017b -DUSE_MEX_CMD -DMATLAB_MEX_FILE -I"/Applications/MATLAB_R2023a.app/extern/include" -I"/Applications/MATLAB_R2023a.app/simulink/include" -fno-common -arch x86_64 -mmacosx-version-min=10.15 -fexceptions -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -fobjc-arc -std=c++14 -stdlib=libc++ -O2 -fwrapv -DNDEBUG "/Users/phillipcurtsmith/Projects/matlab_cpp_test_v2/testFeval.cpp" -o /var/folders/c5/bhbgscv92tj3_x8y54q8rs8m0000gn/T/mex_67453097271459_5943/testFeval.o
/usr/bin/xcrun -sdk macosx13.3 clang++ -Wl,-twolevel_namespace -undefined error -arch x86_64 -mmacosx-version-min=10.15 -Wl,-syslibroot,/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.3.sdk -framework Cocoa -stdlib=libc++ -O /var/folders/c5/bhbgscv92tj3_x8y54q8rs8m0000gn/T/mex_67453097271459_5943/testFeval.o -L"/Applications/MATLAB_R2023a.app/bin/maci64" -lmx -lmex -lmat -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine -leng -L"/Applications/MATLAB_R2023a.app/extern/bin/maci64" -lMatlabDataArray -lMatlabEngine -o testFeval
MEX completed successfully.
I starting adding things to the json files based on the MatLab build output, but now I'm just guessing. Any insight on proper setup procedure?
