diff options
| -rw-r--r-- | main.c | 38 |
1 files changed, 9 insertions, 29 deletions
@@ -49,35 +49,7 @@ static void log_working_directory (); static void print_data_base (), print_version (); static void decode_switches (), decode_env_switches (); static void define_makeflags (); - - -#if 0 /* dummy tag */ -flags () {} -#endif -/* Flags: - * -b ignored for compatibility with System V Make - * -C change directory - * -d debug - * -e env_overrides - * -f makefile - * -i ignore_errors - * -j job_slots - * -k keep_going - * -l max_load_average - * -m ignored for compatibility with something or other - * -n just_print - * -o consider file old - * -p print_data_base - * -q question - * -r no_builtin_rules - * -s silent - * -S turn off -k - * -t touch - * -v print version information - * -w log working directory - * -W consider file new (with -n, `what' if effect) - */ - + /* The structure that describes an accepted command switch. */ struct command_switch @@ -222,6 +194,11 @@ static struct stringlist *new_files = 0; /* If nonzero, we should just print usage and exit. */ static int print_usage_flag = 0; + +/* If nonzero, we should print a warning message + for each reference to an undefined variable. */ + +int warn_undefined_variables_flag; /* The table of command switches. */ @@ -303,6 +280,9 @@ static const struct command_switch switches[] = { 'W', string, (char *) &new_files, 0, 0, 0, 0, 0, "what-if", "FILE", "Consider FILE to be infinitely new" }, + { 2, flag, (char *) &warn_undefined_variables_flag, 1, 1, 0, 0, 0, + "warn-undefined-variables", 0, + "Warn when an undefined variable is referenced" }, { '\0', } }; |