[QE-users] Quantum Espresso Compilation error

[Offermans Willem]

Dear Quantum Espresso,

I tried to compile Quantum Espresso, but got following error:

<snip>
...
mpif90 -O3 -g -cpp -D__FFTW3 -D__MPI   -I/home/loffermw/tmp/q-e//include -I/home/loffermw/tmp/q-e//FoX/finclude  -I/home/loffermw/tmp/q-e//upflib -I/home/loffermw/tmp/q-e//Modules -I/home/loffermw/tmp/q-e//FFTXlib -I/home/loffermw/tmp/q-e//LAXlib -I/home/loffermw/tmp/q-e//UtilXlib -I/home/loffermw/tmp/q-e//FoX/finclude -I../../PW/src -I../../dft-d3 -I../../LR_Modules -c phonon.f90
mpif90 -g -o ph.x phonon.o libph.a \
	 ../../LR_Modules/liblrmod.a ../../PW/src/libpw.a ../../Modules/libqemod.a ../../KS_Solvers/libks_solvers.a ../../upflib/libupf.a ../../FFTXlib/libqefft.a ../../LAXlib/libqela.a ../../UtilXlib/libutil.a ../../dft-d3/libdftd3qe.a /home/loffermw/tmp/q-e//clib/clib.a /home/loffermw/tmp/q-e//LIBBEEF/libbeef.a    -L/apps/OpenMPI/4.1.0/lib -llapack  -lblas  -L/home/loffermw/tmp/q-e//FoX/lib  -lFoX_dom -lFoX_sax -lFoX_wxml -lFoX_common -lFoX_utils -lFoX_fsys  -lfftw3  -lblas     
/usr/bin/ld: ../../Modules/libqemod.a(embedding_electrostatic.o): in function `__embedding_electrostatic_MOD_calc_felectrostatic':
/home/loffermw/tmp/q-e/Modules/embedding_electrostatic.f90:454: undefined reference to `external_force_lc_'
/usr/bin/ld: /home/loffermw/tmp/q-e/Modules/embedding_electrostatic.f90:471: undefined reference to `external_wg_corr_force_'
/usr/bin/ld: /home/loffermw/tmp/q-e/Modules/embedding_electrostatic.f90:454: undefined reference to `external_force_lc_'
/usr/bin/ld: /home/loffermw/tmp/q-e/Modules/embedding_electrostatic.f90:471: undefined reference to `external_wg_corr_force_'
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:213: ph.x] Error 1
make[2]: Leaving directory '/home/loffermw/tmp/q-e/PHonon/PH'
make[1]: *** [Makefile:9: phonon] Error 1
make[1]: Leaving directory '/home/loffermw/tmp/q-e/PHonon'
make: *** [Makefile:75: ph] Error 1
…
</snip>


What does "undefined reference to `external_force_lc_’” mean?

What do I need to do to finalise the compilation of quantum espresso?



Met vriendelijke groeten,
Mit freundlichen Grüßen,
With kind regards,


Willem Offermans
Researcher Electrocatalysis SCT
VITO NV | Boeretang 200 | 2400 Mol
Phone:+32(0)14335263 Mobile:+32(0)492182073 

Willem.Offermans at Vito.be



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