diff options
Diffstat (limited to 'gcc/c-opts.c')
| -rw-r--r-- | gcc/c-opts.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c index 012f24ba53a..e2a30430997 100644 --- a/gcc/c-opts.c +++ b/gcc/c-opts.c @@ -235,7 +235,7 @@ c_common_init_options (unsigned int argc, const char **argv ATTRIBUTE_UNUSED) return result; } -/* Handle switch SCODE with argument ARG. ON is true, unless no- +/* Handle switch SCODE with argument ARG. VALUE is true, unless no- form of an -f or -W option was given. Returns 0 if the switch was invalid, a negative number to prevent language-independent processing in toplev.c (a hack necessary for the short-term). */ @@ -335,6 +335,10 @@ c_common_handle_option (size_t scode, const char *arg, int value) flag_no_line_commands = 1; break; + case OPT_fworking_directory: + flag_working_directory = value; + break; + case OPT_U: defer_opt (code, arg); break; @@ -1329,6 +1333,15 @@ sanitize_cpp_opts (void) and/or -Wtraditional, whatever the ordering. */ cpp_opts->warn_long_long = warn_long_long && ((!flag_isoc99 && pedantic) || warn_traditional); + + /* If we're generating preprocessor output, emit current directory + if explicitly requested or if debugging information is enabled. + ??? Maybe we should only do it for debugging formats that + actually output the current directory? */ + if (flag_working_directory == -1) + flag_working_directory = (debug_info_level != DINFO_LEVEL_NONE); + cpp_opts->working_directory + = flag_preprocess_only && flag_working_directory; } /* Add include path with a prefix at the front of its name. */ |