[QE-users] Compiling QE with libxc support

[mkondrin]

When I have tried another way (editing make.inc file after simple 
./configure) make command stops with error:

/usr/lib//libxc.so: undefined reference to `xc_erfcx'

So it seems to be a fault of libxc.

Sincerely yours,
Mikhail Kondrin

On 30.12.2020 14:54, mkondrin wrote:
> Dear QE developers and users,
>
> I have tried to compile QE with libxc support but have failed.
>
> libxc (4.3.4) was configured and 'make installed' with
> ./configure --enable-shared=yes --prefix=/usr/lib
>
> in /usr/lib all required libraries are present:
> $ls /usr/lib/libxc*
> /usr/lib/libxc.a      /usr/lib/libxc.so.9.0.0* /usr/lib/libxcf90.so.9@
> /usr/lib/libxc.la*    /usr/lib/libxcf90.a /usr/lib/libxcf90.so.9.0.0*
> /usr/lib/libxc.so@    /usr/lib/libxcf90.la*
> /usr/lib/libxc.so.9@  /usr/lib/libxcf90.so@
>
>
> QE (6.5.0) was configured with command:
> ./configure --with-libxc --with-libxc-prefix=/usr/ 
> BLAS_LIBS="-lsatlas" LAPACK_LIBS="-lsatlas"
>
> but complains and exits with the message:
>
> checking for libxc... no (-I/usr/include -L/usr/lib -lxcf90 -lxc)
> configure: error: Could not find required libxc library.
>
> I could not figure what went wrong.
>
> Thank you in advance for any suggestions.
>
> Sincerely yours,
> Mikhail Kondrin
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