Put any variables or aliases used in the include file, before the INCLUDE statement.
Code:
'-------------------- uM-FPU pin definitions ----------------------------------
FpuClk          var     PORTC.3			' SPI SCLK (uM-FPU SCLK)
FpuIn           var     PORTC.4			' SPI MISO (uM-FPU SOUT)
FpuOut          var     PORTC.5			' SPI MOSI (uM-FPU SIN)

'-------------------- INCLUDE files --------------------------------------------
Include "modedefs.bas"      'Include for serial communication
include     "umfpuV3-spi.bas"           ' include uM-FPU V3.1 support routines
include "fp1832.bas"        'Floating point math