-dnl AC_SINGLE_CXX_CHECK(DEFINEVAR, CACHEVAR, FUNCTION, HEADER, PROGRAM)
-dnl $1, $2, $3, $4, $5
+dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM)
+dnl $1, $2, $3, $4,
dnl
AC_DEFUN([AC_SINGLE_CXX_CHECK],
-[AC_CACHE_CHECK([for $3 in $4], [$2],
- [AC_LANG_PUSH(C++)
- AC_COMPILE_IFELSE(AC_LANG_SOURCE([$5]),[$2=yes],[$2=no])
- AC_LANG_POP(C++)])
- if test "$$2" = "yes"
- then
- AC_DEFINE($1, 1, [Define to 1 if your compiler defines $3 in the $4
- header file.])
- fi])
-
-AC_DEFUN([AC_FUNC_ISNAN],[
-AC_SINGLE_CXX_CHECK([HAVE_ISNAN_IN_MATH_H], [ac_cv_func_isnan_in_math_h],
- [isnan], [<math.h>],
- [#include <math.h>
- int foo(float f) {return isnan(f);}])
-AC_SINGLE_CXX_CHECK([HAVE_ISNAN_IN_CMATH], [ac_cv_func_isnan_in_cmath],
- [isnan], [<cmath>],
- [#include <cmath>
- int foo(float f) {return isnan(f);}])
-AC_SINGLE_CXX_CHECK([HAVE_STD_ISNAN_IN_CMATH], [ac_cv_func_std_isnan_in_cmath],
- [std::isnan], [<cmath>],
- [#include <cmath>
- using std::isnan; int foo(float f) {return isnan(f);}])
-])
-
-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);}])
-])
+ [AC_CACHE_CHECK([for $2 in $3], [$1],
+ [AC_LANG_PUSH([C++])
+ AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include $3],[$4]),[$1=yes],[$1=no])
+ AC_LANG_POP([C++])])
+ ])