diff options
Diffstat (limited to 'gcc/gcc.c')
| -rw-r--r-- | gcc/gcc.c | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -168,6 +168,11 @@ static int print_multi_lib; static int print_help_list; +/* Flag saying to print the sysroot suffix used for searching for + headers. */ + +static int print_sysroot_headers_suffix; + /* Flag indicating whether we should print the command and arguments */ static int verbose_flag; @@ -1125,6 +1130,7 @@ static const struct option_map option_map[] = {"--print-multi-directory", "-print-multi-directory", 0}, {"--print-multi-os-directory", "-print-multi-os-directory", 0}, {"--print-prog-name", "-print-prog-name=", "aj"}, + {"--print-sysroot-headers-suffix", "-print-sysroot-headers-suffix", 0}, {"--profile", "-p", 0}, {"--profile-blocks", "-a", 0}, {"--quiet", "-q", 0}, @@ -3193,6 +3199,7 @@ display_help (void) -print-multi-lib Display the mapping between command line options and\n\ multiple library search directories\n"), stdout); fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout); + fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers\n"), stdout); fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout); fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout); fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout); @@ -3637,6 +3644,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n" print_multi_directory = 1; else if (! strcmp (argv[i], "-print-multi-os-directory")) print_multi_os_directory = 1; + else if (! strcmp (argv[i], "-print-sysroot-headers-suffix")) + print_sysroot_headers_suffix = 1; else if (! strncmp (argv[i], "-Wa,", 4)) { int prev, j; @@ -4066,6 +4075,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n" ; else if (! strcmp (argv[i], "-print-multi-os-directory")) ; + else if (! strcmp (argv[i], "-print-sysroot-headers-suffix")) + ; else if (! strncmp (argv[i], "--sysroot=", strlen ("--sysroot="))) { target_system_root = argv[i] + strlen ("--sysroot="); @@ -4978,6 +4989,9 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part) spec_path, &info); info.append = "include-fixed"; + if (*sysroot_hdrs_suffix_spec) + info.append = concat (info.append, dir_separator_str, + multilib_dir, NULL); info.append_len = strlen (info.append); for_each_path (&include_prefixes, false, info.append_len, spec_path, &info); @@ -6394,6 +6408,19 @@ main (int argc, char **argv) return (0); } + if (print_sysroot_headers_suffix) + { + if (*sysroot_hdrs_suffix_spec) + { + printf("%s\n", target_sysroot_hdrs_suffix); + return (0); + } + else + /* The error status indicates that only one set of fixed + headers should be built. */ + fatal ("not configured with sysroot headers suffix"); + } + if (print_help_list) { display_help (); |