Makefile.in (LOOSE_WARN): Add -fno-common.

        * Makefile.in (LOOSE_WARN): Add -fno-common.
        * c-common.h (constant_string_class_name): Add missing extern.

From-SVN: r56334

gcc/ChangeLog

+2002-08-14  Richard Henderson  <rth@redhat.com>
+
+	* Makefile.in (LOOSE_WARN): Add -fno-common.
+	* c-common.h (constant_string_class_name): Add missing extern.
+
 2002-08-15  Neil Booth  <neil@daikokuya.co.uk>
 
 	PR preprocessor/7358

gcc/Makefile.in

@@ -88,7 +88,7 @@ coverageexts = .{da,bb,bbg}
 # apply to the back end and the C front end, which may be compiled
 # with other compilers.  This is partially controlled by configure in
 # stage1, as not all versions of gcc understand -Wno-long-long.
-LOOSE_WARN = -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes
+LOOSE_WARN = -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -fno-common
 STRICT_WARN = -Wtraditional @strict1_warn@
 STRICT2_WARN = -Wtraditional -pedantic -Wno-long-long
 

gcc/c-common.h

@@ -606,7 +606,7 @@ extern int print_struct_values;
 
 /* ???.  Undocumented.  */
 
-const char *constant_string_class_name;
+extern const char *constant_string_class_name;
 
 /* Warn if multiple methods are seen for the same selector, but with
    different argument types.  */