Re: mingw and isnanl

[Bruno Haible]

Eric Blake wrote:
> The problem is not a native compile, but a cross-compile ... I guess my
> original complaint should have made that more explicit.

Indeed. It was hard to guess so, while you were talking about failed tests
and 'fpclassify' results :-)

> configure:15398: checking whether isnanl works
> configure:15550: result: guessing yes

The appended patch fixes it: it yields

   checking whether isnanl works... guessing no


2007-06-12  Bruno Haible  <address@hidden>

        * m4/isnanl.m4 (gl_FUNC_ISNANL_WORKS): Guess no when cross-compiling
        to ia64, x86_64, i386.
        Reported by Eric Blake.

*** m4/isnanl.m4        6 Jun 2007 02:02:42 -0000       1.7
--- m4/isnanl.m4        13 Jun 2007 01:28:58 -0000
***************
*** 1,4 ****
! # isnanl.m4 serial 4
  dnl Copyright (C) 2007 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
--- 1,4 ----
! # isnanl.m4 serial 5
  dnl Copyright (C) 2007 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
***************
*** 200,208 ****
  
    return 0;
  }], [gl_cv_func_isnanl_works=yes], [gl_cv_func_isnanl_works=no],
!       [case "$host_os" in
!          netbsd*) gl_cv_func_isnanl_works="guessing no";;
!          *)       gl_cv_func_isnanl_works="guessing yes";;
         esac
        ])
      ])
--- 200,214 ----
  
    return 0;
  }], [gl_cv_func_isnanl_works=yes], [gl_cv_func_isnanl_works=no],
!       [case "$host_cpu" in
!                                # Guess no on ia64, x86_64, i386.
!          ia64 | x86_64 | i*86) gl_cv_func_isnanl_works="guessing no";;
!          *)
!            case "$host_os" in
!              netbsd*) gl_cv_func_isnanl_works="guessing no";;
!              *)       gl_cv_func_isnanl_works="guessing yes";;
!            esac
!            ;;
         esac
        ])
      ])