Re: QT - undefined reference to feval

[alexegin]

Mike Miller-4 wrote
> Can you build your project using the gcc compiler that is supplied with
> Octave?

Yes, I can. When I run the following command from *CLI* or from *Octave*,
compiling and linking runs without error (but I have an exception when run
the binary):
*c:\Octave\Octave-4.2.1\bin>mkoctfile --link-stand-alone -v embedded.cc -o
embedded*g++ -std=gnu++11 -c
-I/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/include 
-Ic:\Octave\Octave-4.2.1\include\octave-4.2.1\octave\..
-Ic:\Octave\Octave-4.2.1\include\octave-4.2.1\octave
-Ic:\Octave\Octave-4.2.1\include  -pthread -fopenmp -mieee-fp -g -O2   
embedded.cc -o embedded.og++ -std=gnu++11
-I/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/include
-Ic:\Octave\Octave-4.2.1\include\octave-4.2.1\octave\..
-Ic:\Octave\Octave-4.2.1\include\octave-4.2.1\octave
-Ic:\Octave\Octave-4.2.1\include  -pthread -fopenmp -mieee-fp -g -O2   
-Wl,-rpath-link,/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib
-Wl,--export-all-symbols  -o embedded  embedded.o  
-Lc:\Octave\Octave-4.2.1\lib\octave\4.2.1 -Lc:\Octave\Octave-4.2.1\lib
-loctinterp -loctave   
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib  
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib 
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib           
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib  
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib 
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib  
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib -lfreetype 
-lhdf5 -lGraphicsMagick++ -lGraphicsMagick  -lz -lfftw3  -lfftw3f 
-lopengl32 -lglu32
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib -lfontconfig
-lfreetype     -lgl2ps  -ladvapi32 -llapack     -lws2_32 -lws2_32  -lws2_32
-lws2_32      -lcurl -lcholmod -lumfpack -lamd -lcamd -lcolamd -lccolamd
-lcxsparse -lsuitesparseconfig -larpack  -lqrupdate -lfftw3  -lfftw3f 
-llapack -lblas -lreadline -ltermcap 
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib -lpcre   
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/i686-w64-mingw32/lib
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/lib/gcc/i686-w64-mingw32/4.9.4
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/lib/gcc/i686-w64-mingw32/4.9.4/../../../../i686-w64-mingw32/lib/../lib
-L/scratch/jwe/mxe-octave/4.2.1/w32/usr/lib/gcc/i686-w64-mingw32/4.9.4/../../../../i686-w64-mingw32/lib
-lm -lgfortran -lmingw32 -lmoldname -lmingwex -lmsvcrt -lquadmath -ladvapi32
-lshell32 -luser32 -lkernel32 -lm   -lgdi32 -lws2_32 -luser32 -lkernel32
-lgdi32 -lws2_32 -luser32
-lkernel32*c:\Octave\Octave-4.2.1\bin>**c:\Octave\Octave-4.2.1\bin>embedded.exe**GCD
of [10, 15] is 5*terminate called after throwing an instance of
'octave::exit_exception'This application has requested the Runtime to
terminate it in an unusual way.Please contact the application's support team
for more information.*c:\Octave\Octave-4.2.1\bin>*
According to the  gcc docs
<http://gcc.gnu.org/onlinedocs/libstdc++/manual/using_macros.html>   I tried
to disable new ABI using the following comand in *.pro* file:
QMAKE_LFLAGS += --with-default-libstdcxx-abi
But I have the same errors. I also have the same compiler output on MacOS
... 



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