--- parser3/acsite.m4	2003/03/26 13:46:57	1.1
+++ parser3/acsite.m4	2003/07/24 11:31:18	1.2
@@ -0,0 +1,51 @@
+# paf@design.ru
+# included in configure.in
+
+AC_DEFUN([PA_CHECK_MATH_FUNC_ONE_ARG],[
+AC_MSG_CHECKING(for (maybe built-in) math function $1)
+AC_TRY_COMPILE([
+#ifdef HAVE_MATH_H
+#       include <math.h>
+#endif
+],[
+        double result=$1(1.6);
+],
+[AC_MSG_RESULT(yes)
+$2],
+[AC_MSG_RESULT(no)
+$3])
+]
+)
+
+
+AC_DEFUN([PA_CHECK_MATH_FUNCS_ONE_ARG],[
+AC_FOREACH([AC_Func], [$1],
+  [AH_TEMPLATE(AS_TR_CPP(HAVE_[]AC_Func),
+               [Define to 1 if you have the `]AC_Func[' (maybe built-in) math function function.])])dnl
+
+for pa_func in $1
+do
+PA_CHECK_MATH_FUNC_ONE_ARG($pa_func,
+              [AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$pa_func]) $2])],
+              [$3])dnl
+done
+])
+
+
+AC_DEFUN([PA_CHECK_SIGSETJMP],[
+pa_func=sigsetjmp
+AC_MSG_CHECKING(for (maybe built-in) function $pa_func)
+AC_TRY_COMPILE([
+#ifdef HAVE_SETJMP_H
+#	include <setjmp.h>
+#endif
+],[
+        $pa_func(0,0);
+],
+[AC_MSG_RESULT(yes)
+AC_DEFINE_UNQUOTED([AS_TR_CPP([HAVE_$pa_func])])
+],
+[AC_MSG_RESULT(no)
+])
+]
+)