>> mex -v
-> mexopts.sh sourced from directory (DIR = $MATLAB/bin)
   FILE = /usr/applic/packages/matlab/matlab/bin/mexopts.sh
----------------------------------------------------------------
->    MATLAB                = /usr/applic/packages/matlab/matlab
->    CC                    = cc
->    CC flags:
         CFLAGS             = -KPIC -dalign -xlibmieee -D__EXTENSIONS__ -D_POSIX_C_SOURCE=199506L -mt -D_XOPEN_SOURCE=600
         CDEBUGFLAGS        = -xs -g
         COPTIMFLAGS        = -xO3 -xlibmil -DNDEBUG
         CLIBS              = -L/usr/applic/packages/matlab/matlab/bin/sol2 -lmx -lmex -lmat -lm -lc
         arguments          =
->    CXX                   = CC -compat=5
->    CXX flags:
         CXXFLAGS           = -KPIC -dalign -xlibmieee -D__EXTENSIONS__ -D_POSIX_C_SOURCE=199506L -mt
         CXXDEBUGFLAGS      = -xs -g
         CXXOPTIMFLAGS      = -xO3 -xlibmil -DNDEBUG
         CXXLIBS            = -L/usr/applic/packages/matlab/matlab/bin/sol2 -lmx -lmex -lmat -lm -lCstd -lCrun
         arguments          =
->    FC                    = f90
->    FC flags:
         FFLAGS             = -KPIC -dalign -mt
         FDEBUGFLAGS        = -xs -g
         FOPTIMFLAGS        = -O
         FLIBS              = -L/usr/applic/packages/matlab/matlab/bin/sol2 -lmx -lmex -lmat -lfui -lfsu -lsunmath -lm -lc
         arguments          =
->    LD                    = cc
->    Link flags:
         LDFLAGS            = -G -mt -M/usr/applic/packages/matlab/matlab/extern/lib/sol2/mexFunction.map
         LDDEBUGFLAGS       = -xs -g
         LDOPTIMFLAGS       = -O
         LDEXTENSION        = .mexsol
         arguments          =
->    LDCXX                 =
->    Link flags:
         LDCXXFLAGS         =
         LDCXXDEBUGFLAGS    =
         LDCXXOPTIMFLAGS    =
         LDCXXEXTENSION     =
         arguments          =
----------------------------------------------------------------


    mex:  no file name given.

    Usage:
      MEX [option1 ... optionN] sourcefile1 [... sourcefileN]
          [objectfile1 ... objectfileN] [libraryfile1 ... libraryfileN]

    or (to build an Ada S-function):
      MEX [-v] [-g] -ada <sfcn>.ads

    Use the -help option for more information, or consult the MATLAB External Interfaces Guide.

??? Error using ==> mex
Unable to complete successfully

>>