diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 189 |
1 files changed, 61 insertions, 128 deletions
@@ -304,9 +304,9 @@ static struct option long_option_aliases[] = #define DESCRIPTION_COLUMN 30 -/* List of non-switch arguments. */ +/* List of goal targets. */ -struct stringlist *other_args = 0; +static struct dep *goals, *lastgoal; /* The name we were invoked with. */ @@ -391,11 +391,7 @@ main (argc, argv, envp) extern RETSIGTYPE fatal_error_signal (), child_handler (); register struct file *f; register unsigned int i; - register char *cmd_defs; - register unsigned int cmd_defs_len, cmd_defs_idx; char **p; - struct dep *goals = 0; - register struct dep *lastgoal; struct dep *read_makefiles; PATH_VAR (current_directory); @@ -499,8 +495,8 @@ main (argc, argv, envp) strlen (current_directory)); /* Read in variables from the environment. It is important that this be - done before `MAKE' and `MAKEOVERRIDES' are figured out so their - definitions will not be ones from the environment. */ + done before $(MAKE) is are figured out so its definitions will not be + one from the environment. */ for (i = 0; envp[i] != 0; ++i) { @@ -540,76 +536,6 @@ main (argc, argv, envp) if (print_version_flag) die (0); - /* Search for command line arguments that define variables, - and do the definitions. Also save up the text of these - arguments in CMD_DEFS so we can put them into the values - of $(MAKEOVERRIDES) and $(MAKE). */ - - cmd_defs_len = 200; - cmd_defs = (char *) xmalloc (cmd_defs_len); - cmd_defs_idx = 0; - - for (i = 1; other_args->list[i] != 0; ++i) - { - if (other_args->list[i][0] == '\0') - /* Ignore empty arguments, so they can't kill enter_file. */ - continue; - - /* Try a variable definition. */ - if (try_variable_definition ((char *) 0, 0, - other_args->list[i], o_command)) - { - /* It succeeded. The variable is already defined. - Backslash-quotify it and append it to CMD_DEFS, then clobber it - to 0 in the list so that it won't be taken for a goal target. */ - register char *p = other_args->list[i]; - unsigned int l = strlen (p); - if (cmd_defs_idx + (l * 2) + 1 > cmd_defs_len) - { - if (l * 2 > cmd_defs_len) - cmd_defs_len += l * 2; - else - cmd_defs_len *= 2; - cmd_defs = (char *) xrealloc (cmd_defs, cmd_defs_len); - } - - while (*p != '\0') - { - if (index ("^;'\"*?[]$<>(){}|&~`\\ \t\r\n\f\v", *p) != 0) - cmd_defs[cmd_defs_idx++] = '\\'; - cmd_defs[cmd_defs_idx++] = *p++; - } - cmd_defs[cmd_defs_idx++] = ' '; - } - else - { - /* It was not a variable definition, so it is a target to be made. - Enter it as a file and add it to the dep chain of goals. */ - f = enter_command_line_file (other_args->list[i]); - f->cmd_target = 1; - - if (goals == 0) - { - goals = (struct dep *) xmalloc (sizeof (struct dep)); - lastgoal = goals; - } - else - { - lastgoal->next = (struct dep *) xmalloc (sizeof (struct dep)); - lastgoal = lastgoal->next; - } - lastgoal->name = 0; - lastgoal->file = f; - } - } - - if (cmd_defs_idx > 0) - { - cmd_defs[cmd_defs_idx - 1] = '\0'; - (void) define_variable ("MAKEOVERRIDES", 13, cmd_defs, o_default, 0); - } - free (cmd_defs); - #ifndef __MSDOS__ /* Set the "MAKE_COMMAND" variable to the name we were invoked with. (If it is a relative pathname with a slash, prepend our directory name @@ -622,16 +548,13 @@ main (argc, argv, envp) argv[0] = concat (current_directory, "/", argv[0]); #endif + /* The extra indirection through $(MAKE_COMMAND) is done + for hysterical raisins. */ (void) define_variable ("MAKE_COMMAND", 12, argv[0], o_default, 0); + (void) define_variable ("MAKE", 4, "$(MAKE_COMMAND)", o_default, 1); - /* Append the command-line variable definitions gathered above - so sub-makes will get them as command-line definitions. */ - - (void) define_variable ("MAKE", 4, - "$(MAKE_COMMAND) $(MAKEOVERRIDES)", o_default, 1); /* If there were -C flags, move ourselves about. */ - if (directories != 0) for (i = 0; directories->list[i] != 0; ++i) { @@ -1152,7 +1075,11 @@ init_switches () return; p = options; - *p++ = '+'; /* Always permute. */ + + /* Return switch and non-switch args in order, regardless of + POSIXLY_CORRECT. Non-switch args are returned as option '\0'. */ + *p++ = '-'; + for (i = 0; switches[i].c != '\0'; ++i) { long_options[i].name = (switches[i].long_name == 0 ? "" : @@ -1207,15 +1134,6 @@ decode_switches (argc, argv, env) register struct stringlist *sl; register int c; - if (!env) - { - other_args = (struct stringlist *) xmalloc (sizeof (struct stringlist)); - other_args->max = argc + 1; - other_args->list = (char **) xmalloc ((argc + 1) * sizeof (char *)); - other_args->idx = 1; - other_args->list[0] = argv[0]; - } - /* getopt does most of the parsing for us. First, get its vectors set up. */ @@ -1230,7 +1148,34 @@ decode_switches (argc, argv, env) while ((c = getopt_long (argc, argv, options, long_options, (int *) 0)) != EOF) { - if (c == '?') + if (c == '\0') + { + /* Non-option argument. It might be a variable definition. */ + if (! try_variable_definition ((char *) 0, 0, optarg, o_command) + && ! env) + { + /* Not an option or variable definition; it must be a goal + target! Enter it as a file and add it to the dep chain of + goals. */ + struct file *f = enter_command_line_file (optarg); + f->cmd_target = 1; + + if (goals == 0) + { + goals = (struct dep *) xmalloc (sizeof (struct dep)); + lastgoal = goals; + } + else + { + lastgoal->next + = (struct dep *) xmalloc (sizeof (struct dep)); + lastgoal = lastgoal->next; + } + lastgoal->name = 0; + lastgoal->file = f; + } + } + else if (c == '?') /* Bad option. We will print a usage message and die later. But continue to parse the other options so the user can see all he did wrong. */ @@ -1332,19 +1277,6 @@ positive integral argument", } } - if (!env) - { - /* Collect the remaining args in the `other_args' string list. */ - - while (optind < argc) - { - char *arg = argv[optind++]; - if (arg[0] != '-' || arg[1] != '\0') - other_args->list[other_args->idx++] = arg; - } - other_args->list[other_args->idx] = 0; - } - if (!env && (bad || print_usage_flag)) { /* Print a nice usage message. */ @@ -1449,7 +1381,7 @@ decode_env_switches (envar, len) unsigned int len; { char *varref = (char *) alloca (2 + len + 2); - char *value, *args; + char *value; int argc; char **argv; @@ -1459,7 +1391,7 @@ decode_env_switches (envar, len) bcopy (envar, &varref[2], len); varref[2 + len] = ')'; varref[2 + len + 1] = '\0'; - value = variable_expand (varref); + value = allocated_variable_expand (varref); /* Skip whitespace, and check for an empty value. */ value = next_token (value); @@ -1467,18 +1399,6 @@ decode_env_switches (envar, len) if (len == 0) return; - /* Make a copy of the value in ARGS, where we will munge it. - If it does not begin with a dash, prepend one. - We must allocate lasting storage for this (and we never free it) because - decode_switches may save pointers into it for string-valued switches. */ - args = (char *) xmalloc (1 + len + 2); - if (value[0] != '-') - args[0] = '-'; - bcopy (value, value[0] == '-' ? args : &args[1], len + 1); - /* Write an extra null terminator so our loop below will - never be in danger of looking past the end of the string. */ - args[(value[0] == '-' ? 0 : 1) + len + 1] = '\0'; - /* Allocate a vector that is definitely big enough. */ argv = (char **) alloca ((1 + len + 1) * sizeof (char *)); @@ -1486,13 +1406,26 @@ decode_env_switches (envar, len) Prepend a spacer word. */ argv[0] = 0; argc = 1; - do + while ((argv[argc] = find_next_token (&value, (unsigned int *) 0)) != 0) + ++argc; + + if (argc == 2 && argv[1][0] != '-') { - argv[argc++] = args; - args = end_of_token (args); - *args++ = '\0'; - } while (*args != '\0'); - argv[argc] = 0; + /* There is just one word in the value, and it is not a switch. + Either this is the single-word form and we should prepend a dash + before calling decode_switches, or this is the multi-word form and + there is no dash because it is a variable definition. */ + if (try_variable_definition ((char *) 0, 0, argv[1], o_command)) + /* It was indeed a variable definition, and now it has been + processed. There is nothing for decode_switches to do. */ + return; + + /* It wasn't a variable definition, so it's some switches without a + leading dash. Add one and pass it along to decode_switches. We + need permanent storage for this in case decode_switches saves + pointers into the value. */ + argv[1] = concat ("-", argv[1], ""); + } /* Parse those words. */ decode_switches (argc, argv, 1); |