configure.in: Correct --help text for --with-dwarf2.

	* configure.in: Correct --help text for --with-dwarf2.
	Put tm-dwarf2.h after other tm files, if it's requested.
	* configure: Regenerate.
	* config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
	defining it.

From-SVN: r31883

gcc/ChangeLog

 2000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
 
+	* configure.in: Correct --help text for --with-dwarf2.
+	Put tm-dwarf2.h after other tm files, if it's requested.
+	* configure: Regenerate.
+	* config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
+	defining it.
+
+2000-02-09  Zack Weinberg  <zack@wolery.cumb.org>
+
 	* cpplib.h: Provide HASHNODE typedef and forward decl of
 	struct hashnode only.  Kill cpp_hashnode typedef.  MACRODEF,
 	DEFINITION, struct hashnode, struct macrodef, struct

gcc/config/tm-dwarf2.h

 /* Enable Dwarf2 debugging and make it the default */
 #define  DWARF2_DEBUGGING_INFO 1
+#undef	 PREFERRED_DEBUGGING_TYPE
 #define  PREFERRED_DEBUGGING_TYPE  DWARF2_DEBUG
-

gcc/configure

@@ -58,7 +58,7 @@ ac_help="$ac_help
   --enable-objc-gc	  enable the use of Boehm's garbage collector with
 			  the GNU Objective-C runtime."
 ac_help="$ac_help
-  --enable-dwarf2	  enable DWARF2 debugging as default."
+  --with-dwarf2	  force the default debug format to be DWARF2."
 ac_help="$ac_help
   --enable-nls            use Native Language Support (disabled by default)"
 ac_help="$ac_help
@@ -6447,7 +6447,7 @@ then tmake_file=$cpu_type/t-$cpu_type
 fi
 
 if test x"$dwarf2" = xyes
-then tm_file="tm-dwarf2.h $tm_file"
+then tm_file="$tm_file tm-dwarf2.h"
 fi
 
 if test x$float_format = x

gcc/configure.in

@@ -295,7 +295,7 @@ fi,
 objc_boehm_gc='')
 
 AC_ARG_WITH(dwarf2,
-[  --enable-dwarf2	  enable DWARF2 debugging as default.],
+[  --with-dwarf2	  force the default debug format to be DWARF2.],
 dwarf2="$with_dwarf2",
 dwarf2=no)
 
@@ -3844,7 +3844,7 @@ then tmake_file=$cpu_type/t-$cpu_type
 fi
 
 if test x"$dwarf2" = xyes
-then tm_file="tm-dwarf2.h $tm_file"
+then tm_file="$tm_file tm-dwarf2.h"
 fi
 
 if test x$float_format = x