[Wrf-users] wrfcamx Compiling

[Hosein S]

Dear all

When i use "make" command to compile wrfcamx program i got this error:

ifort
 -c -o interp_cart.o -O2 -mieee-fp -align dcommons -convert big_endian 
-ipo -static /home/mechanic/NETCDF/include interp_cart.f90
interp_cart.f90(28):
 warning #7319: This argument's data type is incompatible with this 
intrinsic procedure; procedure assumed EXTERNAL.   [DACOS]
      pi     = dacos(-1.0)
---------------------^
interp_cart.f90(28): error #6404: This name does not have a type, and must have an explicit type.   [DACOS]
      pi     = dacos(-1.0)
---------------^
compilation aborted for interp_cart.f90 (code 1)
make: *** [interp_cart.o] Error 1
--------
Can anybody help me with this?

Thanks
 in advance
Hossein
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