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compile/link failure on HP-UX 11 with Eloquence DLL


Title: compile/link failure on HP-UX 11 with Eloquence DLL
Document: 1059765866
Author: Michael Matxmeier
Keywords: dll,c,hpux

Linking my Eloquence DLL a results in a linker error error message on HP-UX 11
/usr/ccs/bin/ld: Unsatisfied symbols:
   isinf (code)


This is caused by an incompatibility in HP-UX 11. The Eloquence A.06.3x library was build on HP-UX 10.20 and the HP-UX 11 libm (math library) is incompatible to libraries which were compiled on previous HP-UX versions. The definition of isinf() has changed.

Below is a simple fix for HP-UX 11. Save it to the file libmfix.c and add it to your makefile (so it is compiled and linked).


   This file fixes an incompatibility with the Eloquence libeloq.a
   library and the HP-UX 11.x libm library.
   The libeloq.a libraray was compiled on HP-UX 10.20 and contains
   a reference to the isinf() function. with HP-UX 11.x the isinf()
   function is no longer defined in the libm library but was turned
   into a macro.

#if defined(__hpux)

#include <math.h>
#if defined(isinf)
#undef isinf

#ifdef __STDC__
int isinf(double n)
int isinf(n)
double n;
   return _ISINF(n);


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