mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-14 11:32:34 +00:00
53ecd51d97
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16224 91177308-0d34-0410-b5e6-96231b3b80d8
25 lines
1021 B
Plaintext
25 lines
1021 B
Plaintext
#
|
|
# This function determins if the the isinf function isavailable on this
|
|
# platform.
|
|
#
|
|
AC_DEFUN([AC_FUNC_ISINF],[
|
|
AC_SINGLE_CXX_CHECK([HAVE_ISINF_IN_MATH_H], [ac_cv_func_isinf_in_math_h],
|
|
[isinf], [<math.h>],
|
|
[#include <math.h>
|
|
int foo(float f) {return isinf(f);}])
|
|
AC_SINGLE_CXX_CHECK([HAVE_ISINF_IN_CMATH], [ac_cv_func_isinf_in_cmath],
|
|
[isinf], [<cmath>],
|
|
[#include <cmath>
|
|
int foo(float f) {return isinf(f);}])
|
|
AC_SINGLE_CXX_CHECK([HAVE_STD_ISINF_IN_CMATH], [ac_cv_func_std_isinf_in_cmath],
|
|
[std::isinf], [<cmath>],
|
|
[#include <cmath>
|
|
using std::isinf; int foo(float f) {return isinf(f);}])
|
|
AC_SINGLE_CXX_CHECK([HAVE_FINITE_IN_IEEEFP_H], [ac_cv_func_finite_in_ieeefp_h],
|
|
[finite], [<ieeefp.h>],
|
|
[#include <ieeefp.h>
|
|
int foo(float f) {return finite(f);}])
|
|
])
|
|
|
|
|