* toplev.c (main): Complain about -gdwarfn.

From-SVN: r16742

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bab098424eff1c1390344643f7272627e5421060..54f5b73d8a286d696b7dad0a63bd4c90932fef44 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Wed Nov 26 11:12:26 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+       * toplev.c (main): Complain about -gdwarfn.
+
 Tue Nov 25 23:37:27 1997  Jason Merrill  <jason@yorick.cygnus.com>
 
        * integrate.c (output_inline_function): Just unset DECL_INLINE.

diff --git a/gcc/toplev.c b/gcc/toplev.c
index 43b7d8a6264fc14f0f567e3eac1fd4117a144f3f..31eeccf61d90968b0e6724b70ef03e15889d004a 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -4271,7 +4271,16 @@ main (argc, argv, envp)
                      while (*q && (*q >= '0' && *q <= '9'))
                        q++;
                      if (*p)
-                       level = atoi (p);
+                       {
+                         level = atoi (p);
+                         if (len > 1 && !strncmp (str, "gdwarf", len))
+                           {
+                             error ("use -gdwarf -g%d for DWARF v1, level %d",
+                                      level, level);
+                             if (level == 2)
+                               error ("use -gdwarf-2   for DWARF v2");
+                           }
+                       }
                      else
                        level = 2;      /* default debugging info level */
                      if (*q || level > 3)