shared objects on OS X

From: Jeff Whitaker (jsw AT XXXXXX)
Date: Fri Apr 05 2002 - 09:58:19 MST

I've got ncl for OS X (with the gnu tools) installed. Using this little
fortran program

C NCLFORTSTART
      subroutine cerf(x,y,n)
      integer n
      real x(n),y(n)
C NCLEND
      do i=1,n
         y(i) = erfc(x(i))
      enddo
      return
      end

I ran "wrapit77 < erfc.f > erfc_W.c", then

g77 -O -c -fno-common erfc.f
cc -O -c -fno-common erfc_W.c
cc -bundle -flat_namespace -undefined suppress -o erfc.so erfc.o erfc_W.o

However, this is the error message ncl produces when I try to load the
shared object:

ncl 0> external ERFC"./erfc.so"
warning:Could not find Init() in external file ./erfc.so, file not loaded

"void Init(void)" does exist in erfc_W.c.
Does anyone have an idea what this means?

-Jeff 

-- 
Jeffrey S. Whitaker         Phone  : (303)497-6313
Meteorologist               FAX    : (303)497-6449
NOAA/OAR/CDC  R/CDC1        Email  : jsw@cdc.noaa.gov
325 Broadway                Web    : www.cdc.noaa.gov/~jsw
Boulder, CO, USA 80303-3328 Office : Skaggs Research Cntr 1D-124

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