/* Specific flags and argument handling of the C front-end.
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2001, 2003, 2007 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 3, 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 COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.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 (in_argc, in_argv, in_added_libraries)
- int *in_argc ATTRIBUTE_UNUSED;
- const char *const **in_argv ATTRIBUTE_UNUSED;
- int *in_added_libraries ATTRIBUTE_UNUSED;
+lang_specific_driver (int *in_argc ATTRIBUTE_UNUSED,
+ const char *const **in_argv ATTRIBUTE_UNUSED,
+ int *in_added_libraries ATTRIBUTE_UNUSED)
{
- return; /* Not used for C. */
+ /* Systems which use the NeXT runtime by default should arrange
+ for the shared libgcc to be used when -fgnu-runtime is passed
+ through specs. */
+#if defined(ENABLE_SHARED_LIBGCC) && ! defined(NEXT_OBJC_RUNTIME)
+ 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 = XNEWVEC (const char *, argc + 2);
+
+ 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 ()
+lang_specific_pre_link (void)
{
- 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. */
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