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Thread: QT 5 Matlab Compiler Runtime Static Library Linking Problem

  1. 29th July 2013, 15:00 #1
    subhagato
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    Default QT 5 Matlab Compiler Runtime Static Library Linking Problem

    Hi All,

    I have migrated from QT 4.7 to QT 5.1. I have a code for compiling a .dll file for a plugin in my software. The .pro file is here.

    Qt Code: 
    1. DccSrc = ../../
    2. include($$DccSrc"DccGlobals.pri")
    3.  
    4. TEMPLATE = lib
    5. CommonPath = $$DccSrc"Common"
    6. DEPENDPATH += . Interface $$CommonPath
    7. DLLDESTDIR = $$DCC_BIN/plugins
    8.  
    9. DEFINES += MTF_LIBRARY
    10. DEFINES += QT __LCC__
    11.  
    12. SOURCES += MTF.cpp \
    13.     LibTI_MTF.c \
    14.     LibTI_MTF_mcc_component_data.c
    15.  
    16. HEADERS += MTF.h \
    17.     LibTI_MTF.h \
    18.     ../../../Common/ctypes.h
    19.  
    20. INCLUDEPATH += . $$CommonPath ../../MatLabHFilesForQT "C:\Program Files\MATLAB\MATLAB Compiler Runtime\v713\extern\include"
    21.  
    22.  
    23. LIBS    += -L"C:/Program Files/MATLAB/MATLAB Compiler Runtime/v713/extern/lib/win32/microsoft" -lmclmcrrt
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    It gets compiled in QT 4.7.3. But in QT 5 it is not able to find the symbols for MCR library functions.
    D:\QT\DCC_TuningTool\plugins\MTF\MTF.cpp:50: error: undefined reference to `mxCreateDoubleScalar_proxy(double)'
    D:\QT\DCC_TuningTool\plugins\MTF\MTF.cpp:51: error: undefined reference to `mxCreateDoubleScalar_proxy(double)'
    D:\QT\DCC_TuningTool\plugins\MTF\MTF.cpp:52: error: undefined reference to `mxCreateDoubleScalar_proxy(double)'
    D:\QT\DCC_TuningTool\plugins\MTF\MTF.cpp:55: error: undefined reference to `mxCreateString_proxy(char const*)'

    and so on..

    all these symbols exist on mclmcrrt.lib

    If I do a static linking
    Qt Code: 
    1. DEFINE += static
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    it gets compiled. But I need dynamic linking for this plug in.

    I have other plug-ins, where I don't have the any CPP source file, there static/dynamic both linking works.
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  2. 29th July 2013, 21:36 #2
    ChrisW67
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    Default Re: QT 5 Matlab Compiler Runtime Static Library Linking Problem

    Line 23 is missing a hyphen.
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  3. 30th July 2013, 09:05 #3
    subhagato
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    Default Re: QT 5 Matlab Compiler Runtime Static Library Linking Problem

    Hi Chris,

    Thanks for your answer, but I am sorry, I can't find any missing hyphen on line 23.
    Qt Code: 
    1. LIBS    += -L"C:/Program Files/MATLAB/MATLAB Compiler Runtime/v713/extern/lib/win32/microsoft" -lmclmcrrt
    To copy to clipboard, switch view to plain text mode 

    My MTF.cpp file is

    Qt Code: 
    1. #include "MTF.h"
    2.  
    3. int MaxX = 255;
    4.  
    5.  
    6. Chart * chart;
    7. Chart::Chart(PluginAnalysisIO * IO): QObject(IO)
    8. {
    9.     pluginIO = IO;
    10. //    return;
    11.     //QWidget *  parentWidget = pluginIO->outputWidgets[0];
    12.  
    13. //    QVBoxLayout *layout1 = new QVBoxLayout(parentWidget);
    14. //    layout1->addWidget(plot);
    15. //    QGridLayout * grid = new QGridLayout(parentWidget);
    16. //    layout1->addLayout(grid);
    17.    // if(!LibTI_MTFInitializeWithHandlers(DefaultErrorHandler, DefaultPrintHandler)) {
    18.       if(!LibTI_MTFInitialize()){
    19.         //mclTerminateApplication();
    20.         QMessageBox::critical(0,"Error", "Error initializing Matlab engine!\nPlease try to restart application.");
    21.         //return 2;
    22.     } else{
    23.         //return 0;
    24.     }
    25. }
    26.  
    27. int main(int a,char**  ){ return 0;}
    28.  
    29. Chart::~Chart(){
    30.     LibTI_MTFTerminate();
    31. }
    32.  
    33.  
    34.  
    35. void Chart::showChart(){
    36.  
    37.     QString imageFileName  = pluginIO->imageFileName.toLower();
    38.     QDir tempDir(QDir::tempPath());
    39.     //    QString tempPath =  tempDir.canonicalPath();
    40.     QString tempPath =  tempDir.absolutePath();
    41.  
    42.     QString outPrefix = tempPath+"/MTF_Images_";
    43.     QString CoordinatesFile = outPrefix + "coordinates.txt";
    44. #if defined(Q_OS_WIN)
    45.     outPrefix.replace("/","\\");
    46.     imageFileName.replace("/","\\");
    47.     CoordinatesFile.replace("/","\\");
    48. #endif
    49.  
    50.     mxArray * cols = mxCreateDoubleScalar(pluginIO->rawWidth);
    51.     mxArray * rows = mxCreateDoubleScalar(pluginIO->rawHeight);
    52.     mxArray * phase = mxCreateDoubleScalar(pluginIO->rawColorPattern);
    53.     mxArray * dcsub = mxCreateDoubleScalar(0);
    54.     mxArray * R = NULL;
    55.     mxArray * infilename = mxCreateString(imageFileName.toStdString().c_str());
    56.     mxArray * rotate = mxCreateDoubleScalar(0);
    57.     mxArray * figurePref = mxCreateString(outPrefix.toStdString().c_str());
    58.     mxArray * filename_coords = mxCreateString(CoordinatesFile.toStdString().c_str());
    59.     QFile::remove(pluginIO->fileNames[0]);
    60.     QFile::remove(pluginIO->fileNames[1]);
    61.     pluginIO->fileNames[0] = "";
    62.     pluginIO->fileNames[1] = "";
    63.  
    64.     FILE* coordinates = fopen(CoordinatesFile.toStdString().c_str(),"w");
    65.     if (coordinates != NULL){
    66.         fprintf(coordinates,"%d, %d, %d, %d\r\n",pluginIO->selectedRect.topLeft().x(),  pluginIO->selectedRect.bottomRight().x(),pluginIO->selectedRect.topLeft().y(), pluginIO->selectedRect.bottomRight().y());
    67.         fclose(coordinates);
    68.         if (imageFileName.endsWith(".raw",Qt::CaseInsensitive)|| imageFileName.endsWith(".rawle",Qt::CaseInsensitive)){
    69.             mlfRawmtfse(1, &R, infilename, cols, rows, phase, dcsub, figurePref, filename_coords);
    70.         } else
    71.             if (imageFileName.endsWith(".jpg",Qt::CaseInsensitive)|| imageFileName.endsWith(".bmp",Qt::CaseInsensitive)||imageFileName.endsWith(".jpeg",Qt::CaseInsensitive)){
    72.             mlfImgmtfse(1, &R, infilename, rotate, figurePref, filename_coords);
    73.  
    74.         } else  {
    75.             QMessageBox::critical(0,"Error", tr("Improper image type selected! \nAcceptable file extensions are: \n *.jpg, *.bmp, *.raw, *.rawLE") );
    76.             goto end;//-->
    77.         }
    78.  
    79.         if (R == NULL){
    80.             QString parameters = "\nFile = " + QString(mxArrayToString(infilename));
    81.             parameters += "  \nfigurePref = " + QString(mxArrayToString(figurePref));
    82.             parameters += "  \nfilename_coords = " + QString(mxArrayToString(filename_coords));
    83.             parameters += "  \ncols = " + QString::number(* mxGetPr(cols));
    84.             parameters += "  \nrows = " + QString::number(* mxGetPr(rows));
    85.             parameters += "  \nphase = " + QString::number(* mxGetPr(phase));
    86.             parameters += "  \ndcsub = " + QString::number(* mxGetPr(dcsub));
    87.             QFile coordinates_txt(CoordinatesFile);
    88.             coordinates_txt.open(QIODevice::ReadOnly);
    89.             QString coords(coordinates_txt.readAll());
    90.             coordinates_txt.close();
    91.             parameters += "\nRect: "+ coords;
    92.             QMessageBox::critical(0,"Error", tr("MatLab returned error!") + parameters);
    93.         }else
    94.             if (* mxGetPr(R) != -1){
    95.             pluginIO->fileNames[0] = outPrefix+"figure_1.jpeg";
    96.             pluginIO->fileNames[1] = outPrefix+"figure_2.jpeg";
    97.             mxDestroyArray(R);
    98.         }
    99.         else if (* mxGetPr(R) == -1){
    100.             QMessageBox::critical(0,"Error", tr("Cannot evaluate function! \nPlease try selecting another area!"));
    101.         }
    102.             else   QMessageBox::critical(0,"Error", tr("Unrecognized error!"));
    103.     } else {
    104.         QMessageBox::critical(0,"Error",tr("Error creating coordinates file: ") + CoordinatesFile);
    105.     }
    106.     end:
    107.     mxDestroyArray(infilename);
    108.     mxDestroyArray(rotate);
    109.     mxDestroyArray(figurePref);
    110.     mxDestroyArray(filename_coords);
    111.  
    112. }
    113.  
    114. extern "C"
    115. {
    116.     MTFSHARED_EXPORT int init(PluginAnalysisIO * IO){
    117.         chart = new Chart(IO);
    118.         return 0;
    119.     }
    120.  
    121.     MTFSHARED_EXPORT void show(){
    122.         chart->showChart();
    123.     }
    124. }
    125.  
    126. int DefaultPrintHandler(const char *s)
    127. {
    128.     return strlen(s);//->
    129.     return mclWrite(1 /* stdout */, s, sizeof(char)*strlen(s));
    130. }
    131.  
    132. int DefaultErrorHandler(const char *s)
    133. {
    134.     int written = 0;
    135.     size_t len = 0;
    136.     len = strlen(s);
    137.  
    138.     return len;//->
    139.     written = mclWrite(2 /* stderr */, s, sizeof(char)*len);
    140.     if (len > 0 && s[ len-1 ] != '\n')
    141.         written += mclWrite(2 /* stderr */, "\n", sizeof(char));
    142.     return written;
    143. }
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