Matlab2015b使用MinGW64(TDM-GCC)编译mex.docx

Install MinGW-w64 CompilerYou can use the MinGW-w64 version 4.9.2 compiler from TDM-GCC to build MEX files and standalone MATLABengine and MAT-file applications.Installing Compiler from Add-Ons MenuTo install the MinGW compiler, open the installer from MATLABAdd-Onsmenu. On theHometab, in theEnvironmentsection, click theAdd-Onsicon. UnderRefine by Type, selectFeatures, or search for MinGW. Follow the prompts to add the compiler.Note: To install the MATLAB-supported version of MinGW-w64, you must clear the check box highlighted in the following figure.MinGW Installation Folder Cannot Contain SpaceDo not install MinGW in a location with spaces in the path name. For example, do not use:C:Program FilesTDM-GCC-64Instead, use:C:TDM-GCC-64Troubleshooting and Limitations Compiling C/C+ MEX Files with MinGW-w64Do Not Link to Library Files Compiled with Non-MinGW CompilersIf you use the MinGW compiler to build a MEX file that links to a library compiled with a non-MinGW compiler, such asMicrosoftVisual Studio, the file will not run in MATLAB. Library (.lib) files generated by different compilers are not compatible with each other.You can generate a new library file using thedlltoolutility from MinGW.MinGW Compiler Not Setup for Use with MEXIf you installed the MinGW compiler but MATLAB does not recognize it, the compiler might not be the supported version.To install the MATLAB-supported version of MinGW-w64, you must clear theCheck for updated files on the TDM-GCC servercheck box. This check box appears duringTDM-GCC Setupwhen you are asked toChoose which action you want the setup wizard to perform. For information about installing MinGW, seeInstalling Compiler from Add-Ons Menu.MinGW Installation Folder Cannot Contain SpaceDo not install MinGW in a location with spaces in the path name. For example, do not use:C:Program FilesTDM-GCC-64Instead, use:C:TDM-GCC-64MEX Command Does not Choose MinGWIf you only have the MinGW compiler installed on your system, themexcommand automatically chooses MinGW for both C and C+ MEX files. If you have multiple C or C+ compilers, usemex -setupto choose MinGW for both C and, if required, C+ MEX files.mex -setupmex -setup cppIf you only typemex -setupchoosing MinGW, when you compile a C+ file,mexmight choose a different compiler.Manually Configure MinGW for MATLABMATLAB detects the MinGW compiler by reading an environment variable,MW_MINGW64_LOC. When you install MinGW from the MATLABAdd-Onsmenu, MATLAB sets this variable.If necessary, you can set this variable globally, if you have Windowsadministrative privileges, using the Windows Control Panel. Alternatively, set the variable every time you open MATLAB.Note: Verify you have installed MinGW-w64 version 4.9.2 before setting the environment variable.Set variable using Windows Control PanelTo set the environment variable on Windows 7:1. Make sure you have administrative privileges.2. SelectComputerfrom the Start menu.3. ChooseSystem propertiesfrom the context menu.4. ClickAdvanced system settingsAdvancedtab.5. ClickEnvironment Variables.6. UnderSystem variables, selectNew.7. In theNew System Variabledialog box, typeMW_MINGW64_LOCin theVariable namefield.8. In theVariable valuefield, type the location of the MinGW-w64 compiler installation, for example,C:TDM-GCC-64.9. ClickOkto close the dialog boxes, then close theControl Paneldialog box.Set variable for MATLAB sessionTo set the environ