diff options
Diffstat (limited to 'gcc/c-opts.c')
| -rw-r--r-- | gcc/c-opts.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/gcc/c-opts.c b/gcc/c-opts.c index 8cb0b83f210..bd02e199079 100644 --- a/gcc/c-opts.c +++ b/gcc/c-opts.c @@ -119,12 +119,13 @@ static void finish_options PARAMS ((void)); #define STDC_0_IN_SYSTEM_HEADERS 0 #endif -#define CL_C (1 << 0) /* Only C. */ -#define CL_OBJC (1 << 1) /* Only ObjC. */ -#define CL_CXX (1 << 2) /* Only C++. */ -#define CL_OBJCXX (1 << 3) /* Only ObjC++. */ -#define CL_JOINED (1 << 4) /* If takes joined argument. */ -#define CL_SEPARATE (1 << 5) /* If takes a separate argument. */ +#define CL_C (1 << 0) /* Only C. */ +#define CL_OBJC (1 << 1) /* Only ObjC. */ +#define CL_CXX (1 << 2) /* Only C++. */ +#define CL_OBJCXX (1 << 3) /* Only ObjC++. */ +#define CL_JOINED (1 << 4) /* If takes joined argument. */ +#define CL_SEPARATE (1 << 5) /* If takes a separate argument. */ +#define CL_REJECT_NEGATIVE (1 << 6) /* Reject no- form. */ #include "c-options.c" @@ -398,9 +399,15 @@ c_common_decode_option (argc, argv) if (opt_index == N_OPTS) goto done; - result = 1; option = &cl_options[opt_index]; + /* Reject negative form of switches that don't take negatives. */ + if (!on && (option->flags & CL_REJECT_NEGATIVE)) + goto done; + + /* We've recognised this switch. */ + result = 1; + /* Sort out any argument the switch takes. */ if (option->flags & (CL_JOINED | CL_SEPARATE)) { @@ -629,10 +636,7 @@ c_common_decode_option (argc, argv) break; case OPT_Werror_implicit_function_declaration: - if (!on) - result = 0; - else - mesg_implicit_function_declaration = 2; + mesg_implicit_function_declaration = 2; break; case OPT_Wfloat_equal: @@ -908,7 +912,7 @@ c_common_decode_option (argc, argv) break; case OPT_fdump_: - if (!on || !dump_switch_p (argv[0] + strlen ("-f"))) + if (!dump_switch_p (argv[0] + strlen ("-f"))) result = 0; break; @@ -1072,10 +1076,6 @@ c_common_decode_option (argc, argv) break; case OPT_ftabstop_: - /* Don't recognize -fno-tabstop=. */ - if (!on) - return 0; - /* It is documented that we silently ignore silly values. */ { char *endptr; |
