سلام دوستان. من یک فایل .F دارم که میخوام با کامپایلر gfortran کامپایلش کنم. فکر میکنم کارم به مشکل برخورده چون به نتیجهی لازم نرسیدم. خواهش میکنم اگه اطلاعاتی دارید کمکم کنید تا بدونم کارم درست هست و اگر اشتباه هست، مشکل کار کجاست؟
gfortran iohs.F
/usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
/tmp/ccZeGYVK.o: In function `iohs_':
iohs.F:(.text+0xb4): undefined reference to `__files_MOD_slabel'
iohs.F:(.text+0xca): undefined reference to `paste_'
iohs.F:(.text+0x162): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x1c9): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x1dc): undefined reference to `io_assign_'
iohs.F:(.text+0x38a): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x39d): undefined reference to `io_assign_'
iohs.F:(.text+0x5da): undefined reference to `io_close_'
iohs.F:(.text+0x5ee): undefined reference to `__sys_MOD_die'
iohs.F:(.text+0x604): undefined reference to `__sys_MOD_die'
iohs.F:(.text+0x62b): undefined reference to `__sys_MOD_die'
iohs.F:(.text+0x640): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x836): undefined reference to `memory_'
iohs.F:(.text+0x83b): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x91b): undefined reference to `__parallel_MOD_nodes'
iohs.F:(.text+0x923): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x92e): undefined reference to `__parallelsubs_MOD_getnodeorbs'
iohs.F:(.text+0x954): undefined reference to `__parallel_MOD_nodes'
iohs.F:(.text+0x95c): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x967): undefined reference to `__parallelsubs_MOD_localtoglobalorb'
iohs.F:(.text+0xd4d): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0xf60): undefined reference to `memory_'
iohs.F:(.text+0xfa3): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0xfb6): undefined reference to `io_close_'
iohs.F:(.text+0xfc0): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x105c): undefined reference to `__sys_MOD_die'
iohs.F:(.text+0x1075): undefined reference to `__sys_MOD_die'
iohs.F:(.text+0x10cf): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x10e2): undefined reference to `io_assign_'
iohs.F:(.text+0x13b4): undefined reference to `memory_'
iohs.F:(.text+0x14de): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x18df): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x1a99): undefined reference to `__parallel_MOD_node'
iohs.F:(.text+0x1ae6): undefined reference to `__atm_types_MOD_nspecies'
iohs.F:(.text+0x1b3d): undefined reference to `__atm_types_MOD_nspecies'
iohs.F:(.text+0x1b6f): undefined reference to `__atmfuncs_MOD_labelfis'
iohs.F:(.text+0x1b9a): undefined reference to `__atmfuncs_MOD_zvalfis'
iohs.F:(.text+0x1bcb): undefined reference to `__atmfuncs_MOD_nofis'
iohs.F:(.text+0x1c2e): undefined reference to `__atm_types_MOD_nspecies'
iohs.F:(.text+0x1c4e): undefined reference to `__atmfuncs_MOD_nofis'
iohs.F:(.text+0x1cac): undefined reference to `__atmfuncs_MOD_cnfigfio'
iohs.F:(.text+0x1ce4): undefined reference to `__atmfuncs_MOD_lofio'
iohs.F:(.text+0x1d1c): undefined reference to `__atmfuncs_MOD_zetafio'
iohs.F:(.text+0x1dcd): undefined reference to `__siesta_geom_MOD_na_u'
iohs.F:(.text+0x1e24): undefined reference to `__siesta_geom_MOD_na_u'
iohs.F:(.text+0x1e39): undefined reference to `__siesta_geom_MOD_isa'
iohs.F:(.text+0x1e3e): undefined reference to `__siesta_geom_MOD_isa'
iohs.F:(.text+0x1e49): undefined reference to `__siesta_geom_MOD_isa'
iohs.F:(.text+0x1eea): undefined reference to `__atomlist_MOD_iaorb'
iohs.F:(.text+0x1ef0): undefined reference to `__atomlist_MOD_iaorb'
iohs.F:(.text+0x1efc): undefined reference to `__atomlist_MOD_iaorb'
iohs.F:(.text+0x1f22): undefined reference to `__atomlist_MOD_iphorb'
iohs.F:(.text+0x1f28): undefined reference to `__atomlist_MOD_iphorb'
iohs.F:(.text+0x1f34): undefined reference to `__atomlist_MOD_iphorb'
iohs.F:(.text+0x1fef): undefined reference to `memory_'
iohs.F:(.text+0x2038): undefined reference to `io_close_'
collect2: ld returned 1 exit status