[Pw_forum] compilation error

[mohamed makhyoun]

Dear Developers and users:

On compiling espresso-4.2.1 and by making " make all "

I get the following errors:

libpw.a(mix_rho.o): In function `mix_rho':
/home/mohamed/espresso-4.2.1/PW/mix_rho.f90:292: undefined reference to `dsytri_'
libpw.a(mix_rho.o): In function `approx_screening2':
/home/mohamed/espresso-4.2.1/PW/mix_rho.f90:614: undefined reference to `dsytri_'
../Modules/libqemod.a(bfgs_module.o): In function `gdiis_step':
/home/mohamed/espresso-4.2.1/Modules/bfgs_module.f90:496: undefined reference to `dsytri_'
../Modules/libqemod.a(path_opt_routines.o): In function `__path_opt_routines_MOD_broyden2':
/home/mohamed/espresso-4.2.1/Modules/path_opt_routines.f90:447: undefined reference to `dsytri_'
collect2: ld returned 1 exit status
make[1]: *** [pw.x] Error 1
make[1]: Leaving directory `/home/mohamed/espresso-4.2.1/PW'
make: *** [pw] Error 2


I appreciate any comment and help

Best regard

Mohamed Makhyoun

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