Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.

These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.

1 files changed, 82 insertions, 22 deletions

diff --git a/contrib/gcc/gccspec.c b/contrib/gcc/gccspec.c
index 78c67d2..867cbd5 100644
--- a/contrib/gcc/gccspec.c
+++ b/contrib/gcc/gccspec.c
@@ -1,43 +1,103 @@
 /* Specific flags and argument handling of the C front-end.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001 Free Software Foundation, Inc.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC 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 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.
 
-GNU CC 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.
+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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+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.  */
 
 #include "config.h"
 #include "system.h"
+#include "gcc.h"
 
-/* Filter argc and argv before processing by the gcc driver proper. */
+/* Filter argc and argv before processing by the gcc driver proper.  */
 void
-lang_specific_driver (fn, in_argc, in_argv, in_added_libraries)
-     void (*fn)() ATTRIBUTE_UNUSED;
+lang_specific_driver (in_argc, in_argv, in_added_libraries)
      int *in_argc ATTRIBUTE_UNUSED;
-     char ***in_argv ATTRIBUTE_UNUSED;
+     const char *const **in_argv ATTRIBUTE_UNUSED;
      int *in_added_libraries ATTRIBUTE_UNUSED;
 {
-  return;  /* Not used for C. */
+#ifdef ENABLE_SHARED_LIBGCC
+  int i;
+
+  /* The new argument list will be contained in this.  */
+  const char **arglist;
+
+  /* True if we should add -shared-libgcc to the command-line.  */
+  int shared_libgcc = 0;
+
+  /* The total number of arguments with the new stuff.  */
+  int argc;
+
+  /* The argument list.  */
+  const char *const *argv;
+
+  argc = *in_argc;
+  argv = *in_argv;
+
+  for (i = 1; i < argc; i++)
+    {
+      if (argv[i][0] == '-')
+	{
+	  if (strcmp (argv[i], "-static-libgcc") == 0
+	      || strcmp (argv[i], "-static") == 0)
+	    return;
+	}
+      else
+	{
+	  int len; 
+
+	  /* If the filename ends in .m or .mi, we are compiling ObjC
+	     and want to pass -shared-libgcc.  */
+	  len = strlen (argv[i]);
+	  if ((len > 2 && argv[i][len - 2] == '.' && argv[i][len - 1] == 'm')
+	      ||  (len > 3 && argv[i][len - 3] == '.' && argv[i][len - 2] == 'm'
+		   && argv[i][len - 1] == 'i'))
+	    shared_libgcc = 1;
+	}
+    }
+
+  if  (shared_libgcc)
+    {
+      /* Make sure to have room for the trailing NULL argument.  */
+      arglist = (const char **) xmalloc ((argc+2) * sizeof (char *));
+
+      i = 0;
+      do
+	{
+	  arglist[i] = argv[i];
+	  i++;
+	}
+      while (i < argc);
+
+      arglist[i++] = "-shared-libgcc";
+
+      arglist[i] = NULL;
+
+      *in_argc = i;
+      *in_argv = arglist;
+    }
+#endif
 }
 
-/* Called before linking.  Returns 0 on success and -1 on failure. */
+/* Called before linking.  Returns 0 on success and -1 on failure.  */
 int
 lang_specific_pre_link ()
 {
-  return 0;  /* Not used for C. */
+  return 0;  /* Not used for C.  */
 }
 
-/* Number of extra output files that lang_specific_pre_link may generate. */
-int lang_specific_extra_outfiles = 0;  /* Not used for C. */
+/* Number of extra output files that lang_specific_pre_link may generate.  */
+int lang_specific_extra_outfiles = 0;  /* Not used for C.  */