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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [gccspec.c] - Rev 830
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/* Specific flags and argument handling of the C front-end. Copyright (C) 1999, 2001, 2003, 2007, 2010 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 3, 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 COPYING3. If not see <http://www.gnu.org/licenses/>. */ #include "config.h" #include "system.h" #include "coretypes.h" #include "tm.h" #include "gcc.h" #include "opts.h" /* Filter command line before processing by the gcc driver proper. */ void lang_specific_driver (struct cl_decoded_option **in_decoded_options ATTRIBUTE_UNUSED, unsigned int *in_decoded_options_count ATTRIBUTE_UNUSED, int *in_added_libraries ATTRIBUTE_UNUSED) { /* 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) && ! NEXT_OBJC_RUNTIME unsigned int i; /* The new argument list will be contained in this. */ struct cl_decoded_option *new_decoded_options; /* True if we should add -shared-libgcc to the command-line. */ int shared_libgcc = 0; /* The total number of arguments with the new stuff. */ unsigned int argc; /* The argument list. */ struct cl_decoded_option *decoded_options; argc = *in_decoded_options_count; decoded_options = *in_decoded_options; for (i = 1; i < argc; i++) { switch (decoded_options[i].opt_index) { case OPT_static_libgcc: case OPT_static: return; case OPT_SPECIAL_input_file: { const char *file = decoded_options[i].arg; int len; /* If the filename ends in .m or .mi, we are compiling ObjC and want to pass -shared-libgcc. */ len = strlen (file); if ((len > 2 && file[len - 2] == '.' && file[len - 1] == 'm') || (len > 3 && file[len - 3] == '.' && file[len - 2] == 'm' && file[len - 1] == 'i')) shared_libgcc = 1; } break; } } if (shared_libgcc) { new_decoded_options = XNEWVEC (struct cl_decoded_option, argc + 1); i = 0; do { new_decoded_options[i] = decoded_options[i]; i++; } while (i < argc); generate_option (OPT_shared_libgcc, NULL, 1, CL_DRIVER, &new_decoded_options[i++]); *in_decoded_options_count = i; *in_decoded_options = new_decoded_options; } #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. */
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