*** pgsql/configure.in	2006/01/05 03:59:47	1.301.2.18
--- pgsql/configure.in	2006/01/12 19:24:26	1.301.2.19
***************
*** 1,5 ****
  dnl Process this file with autoconf to produce a configure script.
! dnl $Header: /projects/cvsroot/pgsql/configure.in,v 1.301.2.18 2006/01/05 03:59:47 momjian Exp $
  dnl
  dnl Developers, please strive to achieve this order:
  dnl
--- 1,5 ----
  dnl Process this file with autoconf to produce a configure script.
! dnl $Header: /projects/cvsroot/pgsql/configure.in,v 1.301.2.19 2006/01/12 19:24:26 tgl Exp $
  dnl
  dnl Developers, please strive to achieve this order:
  dnl
*************** AC_CHECK_FUNCS(vsnprintf, [], pgac_need_
*** 912,923 ****
  AC_CHECK_DECLS([snprintf, vsnprintf])
  
  
! # do this one the hard way in case isinf() is a macro
  AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
! [AC_TRY_LINK(
! [#include <math.h>
  ],
! [double x = 0.0; int res = isinf(x);],
  [ac_cv_func_isinf=yes],
  [ac_cv_func_isinf=no])])
  
--- 912,924 ----
  AC_CHECK_DECLS([snprintf, vsnprintf])
  
  
! dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
  AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
! [AC_TRY_LINK([
! #include <math.h>
! double glob_double;
  ],
! [return isinf(glob_double) ? 0 : 1;],
  [ac_cv_func_isinf=yes],
  [ac_cv_func_isinf=no])])
  
*************** fi
*** 974,981 ****
  
  dnl Cannot use AC_CHECK_FUNC because finite may be a macro
  AC_MSG_CHECKING(for finite)
! AC_TRY_LINK([#include <math.h>],
!             [int dummy=finite(1.0);],
              [AC_DEFINE(HAVE_FINITE, 1, [Define to 1 if you have finite().])
  AC_MSG_RESULT(yes)],
              [AC_MSG_RESULT(no)])
--- 975,985 ----
  
  dnl Cannot use AC_CHECK_FUNC because finite may be a macro
  AC_MSG_CHECKING(for finite)
! AC_TRY_LINK([
! #include <math.h>
! double glob_double;
! ],
!             [return finite(glob_double) ? 0 : 1;],
              [AC_DEFINE(HAVE_FINITE, 1, [Define to 1 if you have finite().])
  AC_MSG_RESULT(yes)],
              [AC_MSG_RESULT(no)])