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Implement --print-sysroot in ld.

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* ldlex.h (enum option_values): Add entry OPTION_PRINT_SYSROOT.
	* lexsup.c (ld_options): Add entry for --print-sysroot.
	(parse_args) <OPTION_PRINT_SYSROOT>: Print sysroot and exit early.
This commit is contained in:
Hans-Peter Nilsson
2014-10-17 13:06:56 +02:00
parent 32a8097ba5
commit cb9322a80e
2 changed files with 8 additions and 0 deletions
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1
ld/ldlex.h
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@@ -136,6 +136,7 @@ enum option_values
#endif /* ENABLE_PLUGINS */ #endif /* ENABLE_PLUGINS */
OPTION_DEFAULT_SCRIPT, OPTION_DEFAULT_SCRIPT,
OPTION_PRINT_OUTPUT_FORMAT, OPTION_PRINT_OUTPUT_FORMAT,
OPTION_PRINT_SYSROOT,
OPTION_IGNORE_UNRESOLVED_SYMBOL, OPTION_IGNORE_UNRESOLVED_SYMBOL,
OPTION_PUSH_STATE, OPTION_PUSH_STATE,
OPTION_POP_STATE, OPTION_POP_STATE,

7
ld/lexsup.c
View File

@@ -379,6 +379,8 @@ static const struct ld_option ld_options[] =
EXACTLY_TWO_DASHES }, EXACTLY_TWO_DASHES },
{ {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT}, { {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT},
'\0', NULL, N_("Print default output format"), TWO_DASHES }, '\0', NULL, N_("Print default output format"), TWO_DASHES },
{ {"print-sysroot", no_argument, NULL, OPTION_PRINT_SYSROOT},
'\0', NULL, N_("Print current sysroot"), TWO_DASHES },
{ {"qmagic", no_argument, NULL, OPTION_IGNORE}, { {"qmagic", no_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH }, '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
{ {"reduce-memory-overheads", no_argument, NULL, { {"reduce-memory-overheads", no_argument, NULL,
@@ -960,6 +962,11 @@ parse_args (unsigned argc, char **argv)
case OPTION_OFORMAT: case OPTION_OFORMAT:
lang_add_output_format (optarg, NULL, NULL, 0); lang_add_output_format (optarg, NULL, NULL, 0);
break; break;
case OPTION_PRINT_SYSROOT:
if (*ld_sysroot)
puts (ld_sysroot);
xexit (0);
break;
case OPTION_PRINT_OUTPUT_FORMAT: case OPTION_PRINT_OUTPUT_FORMAT:
command_line.print_output_format = TRUE; command_line.print_output_format = TRUE;
break; break;