diff --git a/autoconf/acinclude.m4 b/autoconf/acinclude.m4 index a157839f222..3925d66471a 100644 --- a/autoconf/acinclude.m4 +++ b/autoconf/acinclude.m4 @@ -6295,4 +6295,8 @@ AC_SINGLE_CXX_CHECK([HAVE_STD_ISINF_IN_CMATH], [ac_cv_func_std_isinf_in_cmath], [std::isinf], [], [#include 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], [], + [#include + int foo(float f) {return finite(f);}]) ])