diff options
Diffstat (limited to 'gcc/gcc.c')
-rw-r--r-- | gcc/gcc.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/gcc/gcc.c b/gcc/gcc.c index 301abfc6212..1aa02528d87 100644 --- a/gcc/gcc.c +++ b/gcc/gcc.c @@ -819,30 +819,10 @@ struct user_specs static struct user_specs *user_specs_head, *user_specs_tail; -/* This defines which switch letters take arguments. */ - -#define DEFAULT_SWITCH_TAKES_ARG(CHAR) \ - ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \ - || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \ - || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \ - || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'B' || (CHAR) == 'b') - #ifndef SWITCH_TAKES_ARG #define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR) #endif -/* This defines which multi-letter switches take arguments. */ - -#define DEFAULT_WORD_SWITCH_TAKES_ARG(STR) \ - (!strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \ - || !strcmp (STR, "Tbss") || !strcmp (STR, "include") \ - || !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \ - || !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \ - || !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \ - || !strcmp (STR, "isystem") || !strcmp (STR, "-param") \ - || !strcmp (STR, "specs") \ - || !strcmp (STR, "MF") || !strcmp (STR, "MT") || !strcmp (STR, "MQ")) - #ifndef WORD_SWITCH_TAKES_ARG #define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR) #endif @@ -3162,8 +3142,11 @@ process_command (argc, argv) /* If there is a -V or -b option (or both), process it now, before trying to interpret the rest of the command line. */ + /* Use heuristic that all configuration names must have at least one dash '-'. + This allows to pass options that start with -b. */ if (argc > 1 && argv[1][0] == '-' - && (argv[1][1] == 'V' || argv[1][1] == 'b')) + && (argv[1][1] == 'V' + || (argv[1][1] == 'b' && strchr (argv[1] + 2, '-') != NULL))) { const char *new_version = DEFAULT_TARGET_VERSION; const char *new_machine = DEFAULT_TARGET_MACHINE; |