[yuri@ice][~/ttt]$ pkg_info -W /usr/local/intel_fc_80/bin/ifort
/usr/local/intel_fc_80/bin/ifort was installed by package ifc-8.0.039.p044.1
[yuri@ice][~/ttt]$ cat test.f
        write(*,*) "Hello"
        pause
        end
[yuri@ice][~/ttt]$ /usr/local/intel_fc_80/bin/ifort test.f
/usr/local/intel_fc_80/lib/libifcore.a(for_pause.o): In function `for_pause':
for_pause.o(.text+0xb3): undefined reference to `_IO_putc'
for_pause.o(.text+0x17c): undefined reference to `_IO_getc'
for_pause.o(.text+0x242): undefined reference to `_IO_putc'
   
The program links OK if I remove PAUSE.

Fix: 

No idea.