configure.ac: Guard include of <ieeefp.h>.

	* configure.ac: Guard include of <ieeefp.h>.
	* configure: Rebuilt.

From-SVN: r218032

libgfortran/ChangeLog

+2014-11-24  John David Anglin  <danglin@gcc.gnu.org>
+
+	* configure.ac: Guard include of <ieeefp.h>.
+	* configure: Rebuilt.
+
 2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR bootstrap/63784

libgfortran/configure

@@ -26067,7 +26067,9 @@ $as_echo "#define HAVE_FPSETMASK 1" >>confdefs.h
   fi
 
 ac_fn_c_check_type "$LINENO" "fp_except" "ac_cv_type_fp_except" "
+#ifdef HAVE_IEEEFP_H
 #include <ieeefp.h>
+#endif
 #include <math.h>
 
 "
@@ -26080,7 +26082,9 @@ _ACEOF
 
 fi
 ac_fn_c_check_type "$LINENO" "fp_except_t" "ac_cv_type_fp_except_t" "
+#ifdef HAVE_IEEEFP_H
 #include <ieeefp.h>
+#endif
 #include <math.h>
 
 "
@@ -26094,7 +26098,9 @@ _ACEOF
 fi
 
 ac_fn_c_check_type "$LINENO" "fp_rnd" "ac_cv_type_fp_rnd" "
+#ifdef HAVE_IEEEFP_H
 #include <ieeefp.h>
+#endif
 #include <math.h>
 
 "
@@ -26107,7 +26113,9 @@ _ACEOF
 
 fi
 ac_fn_c_check_type "$LINENO" "fp_rnd_t" "ac_cv_type_fp_rnd_t" "
+#ifdef HAVE_IEEEFP_H
 #include <ieeefp.h>
+#endif
 #include <math.h>
 
 "

libgfortran/configure.ac

@@ -524,11 +524,15 @@ fi
 # Check for SysV fpsetmask
 LIBGFOR_CHECK_FPSETMASK
 AC_CHECK_TYPES([fp_except,fp_except_t], [], [], [[
+#ifdef HAVE_IEEEFP_H
 #include <ieeefp.h>
+#endif
 #include <math.h>
 ]])
 AC_CHECK_TYPES([fp_rnd,fp_rnd_t], [], [], [[
+#ifdef HAVE_IEEEFP_H
 #include <ieeefp.h>
+#endif
 #include <math.h>
 ]])