undefined reference to `dlincg_'

undefined reference to `dlincg_'

Imagen de humberto@fsc.ufsc.br

Hello,

I am trying to compile the program in fortran-90, with command

ifort -nofor_main -o mcf3d.exe mcf3d.f90 $LINK

but I encounter the following errors:

/tmp/iforts5TgYc.o(.text+0x24): In function `MAIN__':
: undefined reference to `iwkin_'
/tmp/iforts5TgYc.o(.text+0x6486): In function `MAIN__':
: undefined reference to `dlincg_'
/tmp/iforts5TgYc.o(.text+0x7694): In function `MAIN__':
: undefined reference to `dlincg_'
/tmp/iforts5TgYc.o(.text+0x11ae3): In function `mcf3d_.getk1_':
: undefined reference to `dlincg_'
/tmp/iforts5TgYc.o(.text+0x12181): In function `mcf3d_.kmatrix_':
: undefined reference to `dlincg_'

What's happen?
any suggestion/hints are welcome

best regards humberto

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