<div dir="ltr">Dear wien user<br><div><br>I am installing wien2k_12. For
that I am installing mpich3.0.3. First I configuring this way in the
terminal<br><br>export FC=ifort<br>
<br>./configure --prefix= /opt/mpich-3.0.3/mpich-install2>&1 | tee c.txt<br><div><br></div>The path ifort in the bashrc file is <br><br>source /opt/intel/Compiler/11.0/074/<div>bin/intel64/ifortvars_intel64.sh<br>
source /opt/intel/Compiler/11.0/074/bin/intel64/idbvars.sh<br>
source /opt/intel/Compiler/11.0/074/mkl/tools/environment/mklvars64.sh<br><br></div><div><br><br>But this is showing this error<br><br>gnu/4.6.1/../../.. -lgfortran -lm -lquadmath<br>checking whether gfortran accepts the FLIBS found by autoconf... yes<br>
checking whether gcc links with FLIBS found by autoconf... yes<br>checking whether Fortran 77 and C objects are compatible... yes<br>checking for linker for Fortran main program... Use Fortran to link programs<br>checking for Fortran 77 name mangling... lower uscore<br>
checking for libraries to link Fortran main with C stdio routines... none<br>checking whether Fortran init will work with C... yes<br>checking for extension for Fortran 90 programs... unknown!<br>checking
whether the Fortran 90 compiler (ifort ) works... configure:
WARNING: installation or configuration problem: Fortran 90 compiler
cannot create executables.<br>
checking whether Fortran 90 compiler works with Fortran 77 compiler...
configure: WARNING: See config.log for the failed test program and its
output.<br>no<br>configure: error: The selected Fortran 90 compiler
ifort does not work with the selected Fortran 77 compiler gfortran. Use
the environment variables FC and F77 respectively to select compatible
Fortran compilers. The check here tests to see if a main program
compiled with the Fortran 90 compiler can link with a subroutine
compiled with the Fortran 77 compiler.<br>
<br><br></div>Please give me some suggestion.</div></div>