111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/* Specific flags and argument handling of the C front-end.
|
|
Copyright (C) 1999, 2001, 2003 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
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.
|
|
|
|
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 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 "coretypes.h"
|
|
#include "tm.h"
|
|
#include "gcc.h"
|
|
|
|
/* Filter argc and argv before processing by the gcc driver proper. */
|
|
void
|
|
lang_specific_driver (int *in_argc ATTRIBUTE_UNUSED,
|
|
const char *const **in_argv ATTRIBUTE_UNUSED,
|
|
int *in_added_libraries ATTRIBUTE_UNUSED)
|
|
{
|
|
#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 = 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. */
|
|
int
|
|
lang_specific_pre_link (void)
|
|
{
|
|
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. */
|
|
|
|
/* Table of language-specific spec functions. */
|
|
const struct spec_function lang_specific_spec_functions[] =
|
|
{
|
|
{ 0, 0 }
|
|
};
|