Q62184: L2025: __fltin with Mixed-Language FORTRAN 5.00 and C 6.00

Article: Q62184
Product(s): See article
Version(s): 6.00 6.00a | 6.00 6.00a
Operating System(s): MS-DOS | OS/2
Keyword(s): ENDUSER | buglist6.00 buglist6.00a h_fortran | mspl13_c
Last Modified: 19-JAN-1991

Question:

Why do I get an L2025 multiply-defined symbol error when I link
together a FORTRAN version 5.00 and a C version 6.00 program? The
symbol is __fltin.

Sample Code
-----------

C   FORTRAN MODULE
      INTERFACE TO SUBROUTINE FOO [C, ALIAS:'_foo'] (N)
      INTEGER*2 N
      END
C   Force a read of a double
      READ(*,*)DXL
      CALL FOO (3)
      END

// C Module

void foo (int x)
{
   double j = 3.0 ;
}

The following are the build options:

   fl /AL /c /FPi fortran.for
   cl /AL /c /FPi c.c
   link /nod /noe fortran c, foo.exe,,llibce llibfore ;

The FORTRAN library (llibfore) was created with C compatibility, and
llibce is a C version 6.00 library.

The linker responds with the following message:

   llibfore.lib(\mrt\c\cfin.ASM) : error L2025: __fltin : symbol
   defined more than once

   There were 2 errors detected

Under DOS, this does not appear to affect the executable in any way.

Under OS/2, the resulting executable gives SYS0192 when you attempt to
run it, telling you that there was an error during link time and the
operating system refuses to run the program.

Microsoft has confirmed this to be a problem with C versions 6.00 and
6.00a. We are researching this problem and will post new information
here as it becomes available.

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