Link with -rdynamic instead of -Wl,-export-dynamic.
[oota-llvm.git] / autoconf / m4 / func_isinf.m4
1 dnl
2 dnl This function determins if the isinf function isavailable on this
3 dnl platform.
4 dnl
5
6 AC_DEFUN([AC_FUNC_ISINF],[
7
8 AC_SINGLE_CXX_CHECK([ac_cv_func_isinf_in_math_h],   
9                     [isinf], [<math.h>],
10                     [float f; isinf(f);])
11 if test "$ac_cv_func_isinf_in_math_h" = "yes" ; then 
12   AC_DEFINE([HAVE_ISINF_IN_MATH_H], [1],
13             [Set to 1 if the isinf function is found in <math.h>])
14 fi
15
16 AC_SINGLE_CXX_CHECK([ac_cv_func_isinf_in_cmath],    
17                     [isinf], [<cmath>],
18                     [float f; isinf(f);])
19 if test "$ac_cv_func_isinf_in_cmath" = "yes" ; then
20   AC_DEFINE([HAVE_ISINF_IN_CMATH], [1],
21             [Set to 1 if the isinf function is found in <cmath>])
22 fi
23
24 AC_SINGLE_CXX_CHECK([ac_cv_func_std_isinf_in_cmath],
25                     [std::isinf], [<cmath>],
26                     [float f; std::isinf(f);])
27 if test "$ac_cv_func_std_isinf_in_cmath" = "yes" ; then 
28   AC_DEFINE([HAVE_STD_ISINF_IN_CMATH], [1],
29             [Set to 1 if the std::isinf function is found in <cmath>])
30 fi
31
32 AC_SINGLE_CXX_CHECK([ac_cv_func_finite_in_ieeefp_h],
33                     [finite], [<ieeefp.h>],
34                     [float f; finite(f);])
35 if test "$ac_cv_func_finite_in_ieeefp_h" = "yes" ; then
36   AC_DEFINE([HAVE_FINITE_IN_IEEEFP_H], [1],
37             [Set to 1 if the finite function is found in <ieeefp.h>])
38 fi
39
40 ])
41
42