darwin7.h: New file.

2004-04-23  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/darwin7.h: New file.
        * config.gcc (*-*-darwin*): Add darwin7.h if the
        version is greater than 6.
        * config/darwin.h (TARGET_C99_FUNCTIONS): Define.
        (MATH_LIBRARY): Wrap in ifdefs.

From-SVN: r81100

gcc/ChangeLog

+2004-04-23  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* config/darwin7.h: New file.
+	* config.gcc (*-*-darwin*): Add darwin7.h if the
+	version is greater than 6.
+	* config/darwin.h (TARGET_C99_FUNCTIONS): Define.
+	(MATH_LIBRARY): Wrap in ifdefs.
+
 2004-04-23  Daniel Jacobowitz  <drow@mvista.com>
 
 	* config/arm/arm.c (arm_output_epilogue): Reverse the order of

gcc/config.gcc

@@ -331,6 +331,10 @@ esac
 # Common parts for widely ported systems.
 case ${target} in
 *-*-darwin*)
+  case ${target} in
+    *-darwin[0-6]*) ;;
+    *) tm_file="${tm_file} darwin7.h" ;;
+  esac
   tm_file="${tm_file} darwin.h"
   tm_p_file="${tm_p_file} darwin-protos.h"
   tmake_file="t-darwin t-slibgcc-darwin"

gcc/config/darwin.h

@@ -41,9 +41,11 @@ Boston, MA 02111-1307, USA.  */
 
 /* Suppress g++ attempt to link in the math library automatically.
    (Some Darwin versions have a libm, but they seem to cause problems
-   for C++ executables.)  */
-
+   for C++ executables.) This needs to be -lmx for Darwin 7.0 and
+   above.  */
+#ifndef MATH_LIBRARY
 #define MATH_LIBRARY ""
+#endif
 
 /* We have atexit.  */
 
@@ -908,4 +910,9 @@ void add_framework_path (char *);
 
 #define TARGET_HAS_F_SETLKW
 
+/* Darwin before 7.0 does not have C99 functions.   */
+#ifndef TARGET_C99_FUNCTIONS
+#define TARGET_C99_FUNCTIONS 0
+#endif
+
 #endif /* CONFIG_DARWIN_H */

gcc/config/darwin7.h

+/* Target definitions for Darwin 7.0 and above (Mac OS X) systems.
+   Copyright (C) 2004
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Darwin 7.0 and above have C99 functions.   */
+#define TARGET_C99_FUNCTIONS 1
+
+/* But for some reason they are located in libmx so have it
+   be included when asked for and automatically when linking
+   with gfortran and g++.   */
+#define MATH_LIBRARY "-lmx"