[Wien] libxc 5.0.0

[Gavin Abo]

Thanks, I made the replacements as you described.


Then, when compiling libxc.F, I got several errors of:


Error: Type mismatch in argument ‘np’ at (1); passed INTEGER(4) to 
INTEGER(8)


The xc function calls such as


call xc_f90_lda_exc_vxc(xc_func,1,rho(1),exc(1),vrho(1))


were not compiling as the integer value 1 with the gfortran compiler was 
defaulting it to INTEGER(4) when it needed to be INTEGER(8).  Following 
https://stackoverflow.com/questions/24405760/fortran-passing-numbers-to-subroutines 
, I defined it to be integer 8:


integer*8 i1
i1 = 1

call xc_f90_lda_exc_vxc(xc_func,i1,rho(1),exc(1),vrho(1))


If your interested in the complete set of changes, they can be seen in a 
text editor by looking at inputpars.patch and libxc.patch files that 
should be at:


https://github.com/gsabo/WIEN2k-Patches/tree/master/19.2


It is still experimental as I haven't ran any calculations yet (or tried 
compiling it with ifort) to see if there are any run-time errors or 
other problems, but WIEN2k 19.2 with libxc 5.0.0 did compile with 
gfortran successfully as shown below:


username at computername:~/Desktop$ cd ~
username at computername:~$ lsb_release -a
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 20.04 LTS
Release:    20.04
Codename:    focal
username at computername:~$ gfortran --version
GNU Fortran (Ubuntu 9.3.0-10ubuntu2) 9.3.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
username at computername:~$ wget 
http://www.tddft.org/programs/libxc/down.php?file=5.0.0/libxc-5.0.0.tar.gz
...
username at computername:~$ tar xvf down.php\?file\=5.0.0%2Flibxc-5.0.0.tar.gz
...
username at computername:~$ cd libxc-5.0.0/
username at computername:~/libxc-5.0.0$ autoreconf -i --force
...
username at computername:~/libxc-5.0.0$ ./configure FC=gfortran CC=gcc 
--prefix=$HOME/libxc-5.0.0
...
username at computername:~/libxc-5.0.0$ make
...
username at computername:~/libxc-5.0.0$ make check
...
PASS: xc-run_testsuite
============================================================================
Testsuite summary for libxc 5.0.0
============================================================================
# TOTAL: 1
# PASS:  1
# SKIP:  0
# XFAIL: 0
# FAIL:  0
# XPASS: 0
# ERROR: 0
============================================================================
...
username at computername:~/libxc-5.0.0$ make install
...
username at computername:~/libxc-5.0.0$ ls ~/libxc-5.0.0/lib
libxc.a  libxcf90.a  libxcf90.la  libxc.la  pkgconfig
username at computername:~/libxc-5.0.0$ cd ~/WIEN2k/SRC_lapw0
username at computername:~/WIEN2k/SRC_lapw0$ wget 
https://github.com/gsabo/WIEN2k-Patches/raw/master/19.2/inputpars.patch
...
username at computername:~/WIEN2k/SRC_lapw0$ patch -b inputpars.F 
inputpars.patch
patching file inputpars.F
username at computername:~/WIEN2k/SRC_lapw0$ wget 
https://github.com/gsabo/WIEN2k-Patches/raw/master/19.2/libxc.patch
...
username at computername:~/WIEN2k/SRC_lapw0$ patch -b libxc.F libxc.patch
patching file libxc.F
username at computername:~/WIEN2k/SRC_lapw0$ cd ..
username at computername:~/WIEN2k$ ./siteconfig
...
   Selection: O
...
Selection: X
...
Selection:RS
...
  Would you like to use LIBXC (that you have installed - usually not 
needed)? (y,N):
y
...
  Do you want to automatically search for LIBXC installations? (Y,n):
Y
  Please specify a comma separated list of directories to search! (If no 
list is entered, /usr/local and /opt will be searched as default):
/home/username/libxc-5.0.0
...
  Pick one of the following (enter the number of the line of your choice 
or 0 to manually specify a path)!:
/home/username/libxc-5.0.0/src/.libs/libxc.a
/home/username/libxc-5.0.0/lib/libxc.a
2
...
Selection:F
Enter the name of your LIBXC fortran interface!: xcf90
...
    Your current LIBXC options are:

    LIBXC_OPT:             -DLIBXC -I/home/username/libxc-5.0.0/include
    LIBXC_LIBS:            -L/home/username/libxc-5.0.0/lib -lxcf90 -lxc
...
Selection:B
...
Selection: S
...
   Selection: R
...
      Selection: S
    Which program to recompile? lapw0
...
Compile time errors (if any) were:


Check file   compile.msg   in the corresponding SRC_* directory for the
compilation log and more info on any compilation problem.
...


On 6/13/2020 3:23 PM, Tran, Fabien wrote:
>
> I think that it is enough to replace all "_f03_" by "_f90_" in libxc.F 
> and inputpars.F of SRC_lapw0.​
>
>
> ------------------------------------------------------------------------
> *From:* Wien <wien-bounces at zeus.theochem.tuwien.ac.at> on behalf of 
> Gavin Abo <gsabo at crimson.ua.edu>
> *Sent:* Saturday, June 13, 2020 11:02 PM
> *To:* wien at zeus.theochem.tuwien.ac.at
> *Subject:* [Wien] libxc 5.0.0
>
> The libxc website [1] has a new version 5.0.0, but it doesn't compile 
> with WIEN2k (version 19.2).  I have linked in libxc 4.3.4 from [2] 
> instead.  Does anyone have a patch for using the version 5.0.0?
>
> [1] https://www.tddft.org/programs/libxc/download/
>
> [2] https://www.tddft.org/programs/libxc/download/previous/
>
> Thanks,
>
> Gavin
>
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