1 /* Argument parsing and main program of GNU Make.
2 Copyright (C) 1988,89,90,91,94,95,96,97,98,99 Free Software Foundation, Inc.
3 This file is part of GNU Make.
5 GNU Make is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 GNU Make is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNU Make; see the file COPYING. If not, write to
17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18 MA 02111-1307, USA. */
33 # include <proto/dos.h>
37 #include "pathstuff.h"
39 #if defined(MAKE_JOBSERVER) && defined(HAVE_FCNTL_H)
44 int __stack
= 20000; /* Make sure we have 20K of stack space */
47 extern void init_dir
PARAMS ((void));
48 extern void remote_setup
PARAMS ((void));
49 extern void remote_cleanup
PARAMS ((void));
50 extern RETSIGTYPE fatal_error_signal
PARAMS ((int sig
));
52 extern void print_variable_data_base
PARAMS ((void));
53 extern void print_dir_data_base
PARAMS ((void));
54 extern void print_rule_data_base
PARAMS ((void));
55 extern void print_file_data_base
PARAMS ((void));
56 extern void print_vpath_data_base
PARAMS ((void));
58 #if defined HAVE_WAITPID || defined HAVE_WAIT3
59 # define HAVE_WAIT_NOHANG
66 # ifndef sun /* Sun has an incorrect decl in a header. */
67 extern void exit
PARAMS ((int)) __attribute__ ((noreturn
));
69 extern double atof ();
72 static void print_data_base
PARAMS ((void));
73 static void print_version
PARAMS ((void));
74 static void decode_switches
PARAMS ((int argc
, char **argv
, int env
));
75 static void decode_env_switches
PARAMS ((char *envar
, unsigned int len
));
76 static void define_makeflags
PARAMS ((int all
, int makefile
));
77 static char *quote_for_env
PARAMS ((char *out
, char *in
));
79 /* The structure that describes an accepted command switch. */
83 int c
; /* The switch character. */
85 enum /* Type of the value. */
87 flag
, /* Turn int flag on. */
88 flag_off
, /* Turn int flag off. */
89 string
, /* One string per switch. */
90 positive_int
, /* A positive integer. */
91 floating
, /* A floating-point number (double). */
95 char *value_ptr
; /* Pointer to the value-holding variable. */
97 unsigned int env
:1; /* Can come from MAKEFLAGS. */
98 unsigned int toenv
:1; /* Should be put in MAKEFLAGS. */
99 unsigned int no_makefile
:1; /* Don't propagate when remaking makefiles. */
101 char *noarg_value
; /* Pointer to value used if no argument is given. */
102 char *default_value
;/* Pointer to default value. */
104 char *long_name
; /* Long option name. */
105 char *argdesc
; /* Descriptive word for argument. */
106 char *description
; /* Description for usage message. */
107 /* 0 means internal; don't display help. */
110 /* True if C is a switch value that corresponds to a short option. */
112 #define short_option(c) ((c) <= CHAR_MAX)
114 /* The structure used to hold the list of strings given
115 in command switches of a type that takes string arguments. */
119 char **list
; /* Nil-terminated list of strings. */
120 unsigned int idx
; /* Index into above. */
121 unsigned int max
; /* Number of pointers allocated. */
125 /* The recognized command switches. */
127 /* Nonzero means do not print commands to be executed (-s). */
131 /* Nonzero means just touch the files
132 that would appear to need remaking (-t) */
136 /* Nonzero means just print what commands would need to be executed,
137 don't actually execute them (-n). */
141 /* Print debugging info (--debug). */
143 static struct stringlist
*db_flags
;
144 static int debug_flag
= 0;
149 /* Suspend make in main for a short time to allow debugger to attach */
151 int suspend_flag
= 0;
154 /* Environment variables override makefile definitions. */
156 int env_overrides
= 0;
158 /* Nonzero means ignore status codes returned by commands
159 executed to remake files. Just treat them all as successful (-i). */
161 int ignore_errors_flag
= 0;
163 /* Nonzero means don't remake anything, just print the data base
164 that results from reading the makefile (-p). */
166 int print_data_base_flag
= 0;
168 /* Nonzero means don't remake anything; just return a nonzero status
169 if the specified targets are not up to date (-q). */
171 int question_flag
= 0;
173 /* Nonzero means do not use any of the builtin rules (-r) / variables (-R). */
175 int no_builtin_rules_flag
= 0;
176 int no_builtin_variables_flag
= 0;
178 /* Nonzero means keep going even if remaking some file fails (-k). */
181 int default_keep_going_flag
= 0;
183 /* Nonzero means print directory before starting and when done (-w). */
185 int print_directory_flag
= 0;
187 /* Nonzero means ignore print_directory_flag and never print the directory.
188 This is necessary because print_directory_flag is set implicitly. */
190 int inhibit_print_directory_flag
= 0;
192 /* Nonzero means print version information. */
194 int print_version_flag
= 0;
196 /* List of makefiles given with -f switches. */
198 static struct stringlist
*makefiles
= 0;
200 /* Number of job slots (commands that can be run at once). */
202 unsigned int job_slots
= 1;
203 unsigned int default_job_slots
= 1;
205 /* Value of job_slots that means no limit. */
207 static unsigned int inf_jobs
= 0;
209 /* File descriptors for the jobs pipe. */
211 static struct stringlist
*jobserver_fds
= 0;
213 int job_fds
[2] = { -1, -1 };
216 /* Maximum load average at which multiple jobs will be run.
217 Negative values mean unlimited, while zero means limit to
218 zero load (which could be useful to start infinite jobs remotely
219 but one at a time locally). */
221 double max_load_average
= -1.0;
222 double default_load_average
= -1.0;
224 int max_load_average
= -1;
225 int default_load_average
= -1;
228 /* List of directories given with -C switches. */
230 static struct stringlist
*directories
= 0;
232 /* List of include directories given with -I switches. */
234 static struct stringlist
*include_directories
= 0;
236 /* List of files given with -o switches. */
238 static struct stringlist
*old_files
= 0;
240 /* List of files given with -W switches. */
242 static struct stringlist
*new_files
= 0;
244 /* If nonzero, we should just print usage and exit. */
246 static int print_usage_flag
= 0;
248 /* If nonzero, we should print a warning message
249 for each reference to an undefined variable. */
251 int warn_undefined_variables_flag
;
253 /* The table of command switches. */
255 static const struct command_switch switches
[] =
257 { 'b', ignore
, 0, 0, 0, 0, 0, 0,
259 N_("Ignored for compatibility") },
260 { 'C', string
, (char *) &directories
, 0, 0, 0, 0, 0,
261 "directory", N_("DIRECTORY"),
262 N_("Change to DIRECTORY before doing anything") },
263 { 'd', flag
, (char *) &debug_flag
, 1, 1, 0, 0, 0,
265 N_("Print lots of debugging information") },
266 { CHAR_MAX
+1, string
, (char *) &db_flags
, 1, 1, 0,
268 "debug", N_("FLAGS"),
269 N_("Print various types of debugging information") },
271 { 'D', flag
, (char *) &suspend_flag
, 1, 1, 0, 0, 0,
272 "suspend-for-debug", 0,
273 N_("Suspend process to allow a debugger to attach") },
275 { 'e', flag
, (char *) &env_overrides
, 1, 1, 0, 0, 0,
276 "environment-overrides", 0,
277 N_("Environment variables override makefiles") },
278 { 'f', string
, (char *) &makefiles
, 0, 0, 0, 0, 0,
280 N_("Read FILE as a makefile") },
281 { 'h', flag
, (char *) &print_usage_flag
, 0, 0, 0, 0, 0,
283 N_("Print this message and exit") },
284 { 'i', flag
, (char *) &ignore_errors_flag
, 1, 1, 0, 0, 0,
286 N_("Ignore errors from commands") },
287 { 'I', string
, (char *) &include_directories
, 1, 1, 0, 0, 0,
288 "include-dir", N_("DIRECTORY"),
289 N_("Search DIRECTORY for included makefiles") },
291 positive_int
, (char *) &job_slots
, 1, 1, 0,
292 (char *) &inf_jobs
, (char *) &default_job_slots
,
294 N_("Allow N jobs at once; infinite jobs with no arg") },
295 { CHAR_MAX
+2, string
, (char *) &jobserver_fds
, 1, 1, 0, 0, 0,
298 { 'k', flag
, (char *) &keep_going_flag
, 1, 1, 0,
299 0, (char *) &default_keep_going_flag
,
301 N_("Keep going when some targets can't be made") },
303 { 'l', floating
, (char *) &max_load_average
, 1, 1, 0,
304 (char *) &default_load_average
, (char *) &default_load_average
,
306 N_("Don't start multiple jobs unless load is below N") },
308 { 'l', positive_int
, (char *) &max_load_average
, 1, 1, 0,
309 (char *) &default_load_average
, (char *) &default_load_average
,
311 N_("Don't start multiple jobs unless load is below N") },
313 { 'm', ignore
, 0, 0, 0, 0, 0, 0,
316 { 'n', flag
, (char *) &just_print_flag
, 1, 1, 1, 0, 0,
318 N_("Don't actually run any commands; just print them") },
319 { 'o', string
, (char *) &old_files
, 0, 0, 0, 0, 0,
320 "old-file", N_("FILE"),
321 N_("Consider FILE to be very old and don't remake it") },
322 { 'p', flag
, (char *) &print_data_base_flag
, 1, 1, 0, 0, 0,
323 "print-data-base", 0,
324 N_("Print make's internal database") },
325 { 'q', flag
, (char *) &question_flag
, 1, 1, 1, 0, 0,
327 N_("Run no commands; exit status says if up to date") },
328 { 'r', flag
, (char *) &no_builtin_rules_flag
, 1, 1, 0, 0, 0,
329 "no-builtin-rules", 0,
330 N_("Disable the built-in implicit rules") },
331 { 'R', flag
, (char *) &no_builtin_variables_flag
, 1, 1, 0, 0, 0,
332 "no-builtin-variables", 0,
333 N_("Disable the built-in variable settings") },
334 { 's', flag
, (char *) &silent_flag
, 1, 1, 0, 0, 0,
336 N_("Don't echo commands") },
337 { 'S', flag_off
, (char *) &keep_going_flag
, 1, 1, 0,
338 0, (char *) &default_keep_going_flag
,
340 N_("Turns off -k") },
341 { 't', flag
, (char *) &touch_flag
, 1, 1, 1, 0, 0,
343 N_("Touch targets instead of remaking them") },
344 { 'v', flag
, (char *) &print_version_flag
, 1, 1, 0, 0, 0,
346 N_("Print the version number of make and exit") },
347 { 'w', flag
, (char *) &print_directory_flag
, 1, 1, 0, 0, 0,
348 "print-directory", 0,
349 N_("Print the current directory") },
350 { CHAR_MAX
+3, flag
, (char *) &inhibit_print_directory_flag
, 1, 1, 0, 0, 0,
351 "no-print-directory", 0,
352 N_("Turn off -w, even if it was turned on implicitly") },
353 { 'W', string
, (char *) &new_files
, 0, 0, 0, 0, 0,
354 "what-if", N_("FILE"),
355 N_("Consider FILE to be infinitely new") },
356 { CHAR_MAX
+4, flag
, (char *) &warn_undefined_variables_flag
, 1, 1, 0, 0, 0,
357 "warn-undefined-variables", 0,
358 N_("Warn when an undefined variable is referenced") },
362 /* Secondary long names for options. */
364 static struct option long_option_aliases
[] =
366 { "quiet", no_argument
, 0, 's' },
367 { "stop", no_argument
, 0, 'S' },
368 { "new-file", required_argument
, 0, 'W' },
369 { "assume-new", required_argument
, 0, 'W' },
370 { "assume-old", required_argument
, 0, 'o' },
371 { "max-load", optional_argument
, 0, 'l' },
372 { "dry-run", no_argument
, 0, 'n' },
373 { "recon", no_argument
, 0, 'n' },
374 { "makefile", required_argument
, 0, 'f' },
377 /* The usage message prints the descriptions of options starting in
378 this column. Make sure it leaves enough room for the longest
379 description to fit in less than 80 characters. */
381 #define DESCRIPTION_COLUMN 30
383 /* List of goal targets. */
385 static struct dep
*goals
, *lastgoal
;
387 /* List of variables which were defined on the command line
388 (or, equivalently, in MAKEFLAGS). */
390 struct command_variable
392 struct command_variable
*next
;
393 struct variable
*variable
;
395 static struct command_variable
*command_variables
;
397 /* The name we were invoked with. */
401 /* Our current directory before processing any -C options. */
403 char *directory_before_chdir
;
405 /* Our current directory after processing all -C options. */
407 char *starting_directory
;
409 /* Value of the MAKELEVEL variable at startup (or 0). */
411 unsigned int makelevel
;
413 /* First file defined in the makefile whose name does not
414 start with `.'. This is the default to remake if the
415 command line does not specify. */
417 struct file
*default_goal_file
;
419 /* Pointer to structure for the file .DEFAULT
420 whose commands are used for any file that has none of its own.
421 This is zero if the makefiles do not define .DEFAULT. */
423 struct file
*default_file
;
425 /* Nonzero if we have seen the magic `.POSIX' target.
426 This turns on pedantic compliance with POSIX.2. */
430 /* Nonzero if we have seen the `.NOTPARALLEL' target.
431 This turns off parallel builds for this invocation of make. */
435 /* Nonzero if some rule detected clock skew; we keep track so (a) we only
436 print one warning about it during the run, and (b) we can print a final
437 warning at the end of the run. */
439 int clock_skew_detected
;
441 /* Mask of signals that are being caught with fatal_error_signal. */
444 sigset_t fatal_signal_set
;
446 # ifdef HAVE_SIGSETMASK
447 int fatal_signal_mask
;
451 #if !defined HAVE_BSD_SIGNAL && !defined bsd_signal
452 # if !defined HAVE_SIGACTION
453 # define bsd_signal signal
455 typedef RETSIGTYPE (*bsd_signal_ret_t
) ();
457 static bsd_signal_ret_t
458 bsd_signal (sig
, func
)
460 bsd_signal_ret_t func
;
462 struct sigaction act
, oact
;
463 act
.sa_handler
= func
;
464 act
.sa_flags
= SA_RESTART
;
465 sigemptyset (&act
.sa_mask
);
466 sigaddset (&act
.sa_mask
, sig
);
467 if (sigaction (sig
, &act
, &oact
) != 0)
469 return oact
.sa_handler
;
475 enter_command_line_file (name
)
479 fatal (NILF
, _("empty string invalid as file name"));
483 char *expanded
= tilde_expand (name
);
485 name
= expanded
; /* Memory leak; I don't care. */
488 /* This is also done in parse_file_seq, so this is redundant
489 for names read from makefiles. It is here for names passed
490 on the command line. */
491 while (name
[0] == '.' && name
[1] == '/' && name
[2] != '\0')
495 /* Skip following slashes: ".//foo" is "foo", not "/foo". */
501 /* It was all slashes! Move back to the dot and truncate
502 it after the first slash, so it becomes just "./". */
505 while (name
[0] != '.');
509 return enter_file (xstrdup (name
));
512 /* Toggle -d on receipt of SIGUSR1. */
515 debug_signal_handler (sig
)
518 db_level
= db_level
? DB_NONE
: DB_BASIC
;
522 decode_debug_flags ()
532 for (pp
=db_flags
->list
; *pp
; ++pp
)
538 switch (tolower (p
[0]))
544 db_level
|= DB_BASIC
;
547 db_level
|= DB_BASIC
| DB_IMPLICIT
;
553 db_level
|= DB_BASIC
| DB_MAKEFILES
;
556 db_level
|= DB_BASIC
| DB_VERBOSE
;
559 fatal (NILF
, _("unknown debug level specification `%s'"), p
);
562 while (*(++p
) != '\0')
563 if (*p
== ',' || *p
== ' ')
576 * HANDLE runtime exceptions by avoiding a requestor on the GUI. Capture
577 * exception and print it to stderr instead.
579 * If ! DB_VERBOSE, just print a simple message and exit.
580 * If DB_VERBOSE, print a more verbose message.
581 * If compiled for DEBUG, let exception pass through to GUI so that
582 * debuggers can attach.
585 handle_runtime_exceptions( struct _EXCEPTION_POINTERS
*exinfo
)
587 PEXCEPTION_RECORD exrec
= exinfo
->ExceptionRecord
;
588 LPSTR cmdline
= GetCommandLine();
589 LPSTR prg
= strtok(cmdline
, " ");
593 LPTSTR lpszStrings
[1];
596 if (! ISDB (DB_VERBOSE
))
599 _("%s: Interrupt/Exception caught (code = 0x%x, addr = 0x%x)\n"),
600 prg
, exrec
->ExceptionCode
, exrec
->ExceptionAddress
);
601 fprintf(stderr
, errmsg
);
606 _("\nUnhandled exception filter called from program %s\nExceptionCode = %x\nExceptionFlags = %x\nExceptionAddress = %x\n"),
607 prg
, exrec
->ExceptionCode
, exrec
->ExceptionFlags
,
608 exrec
->ExceptionAddress
);
610 if (exrec
->ExceptionCode
== EXCEPTION_ACCESS_VIOLATION
611 && exrec
->NumberParameters
>= 2)
612 sprintf(&errmsg
[strlen(errmsg
)],
613 (exrec
->ExceptionInformation
[0]
614 ? _("Access violation: write operation at address %x\n")
615 : _("Access violation: read operation at address %x\n")),
616 exrec
->ExceptionInformation
[1]);
618 /* turn this on if we want to put stuff in the event log too */
620 hEventSource
= RegisterEventSource(NULL
, "GNU Make");
621 lpszStrings
[0] = errmsg
;
623 if (hEventSource
!= NULL
)
625 ReportEvent(hEventSource
, /* handle of event source */
626 EVENTLOG_ERROR_TYPE
, /* event type */
627 0, /* event category */
629 NULL
, /* current user's SID */
630 1, /* strings in lpszStrings */
631 0, /* no bytes of raw data */
632 lpszStrings
, /* array of error strings */
633 NULL
); /* no raw data */
635 (VOID
) DeregisterEventSource(hEventSource
);
639 /* Write the error to stderr too */
640 fprintf(stderr
, errmsg
);
643 return EXCEPTION_CONTINUE_SEARCH
;
646 return (255); /* not reached */
651 * On WIN32 systems we don't have the luxury of a /bin directory that
652 * is mapped globally to every drive mounted to the system. Since make could
653 * be invoked from any drive, and we don't want to propogate /bin/sh
654 * to every single drive. Allow ourselves a chance to search for
655 * a value for default shell here (if the default path does not exist).
659 find_and_set_default_shell(char *token
)
664 extern char *default_shell
;
667 search_token
= default_shell
;
669 search_token
= token
;
671 if (!no_default_sh_exe
&&
672 (token
== NULL
|| !strcmp(search_token
, default_shell
))) {
673 /* no new information, path already set or known */
675 } else if (file_exists_p(search_token
)) {
676 /* search token path was found */
677 sprintf(sh_path
, "%s", search_token
);
678 default_shell
= xstrdup(w32ify(sh_path
,0));
680 (_("find_and_set_shell setting default_shell = %s\n"), default_shell
));
684 struct variable
*v
= lookup_variable ("Path", 4);
687 * Search Path for shell
693 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
698 if (dir_file_exists_p(p
, search_token
)) {
699 sprintf(sh_path
, "%s/%s", p
, search_token
);
700 default_shell
= xstrdup(w32ify(sh_path
,0));
702 *ep
= PATH_SEPARATOR_CHAR
;
707 *ep
= PATH_SEPARATOR_CHAR
;
711 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
714 /* be sure to check last element of Path */
715 if (p
&& *p
&& dir_file_exists_p(p
, search_token
)) {
716 sprintf(sh_path
, "%s/%s", p
, search_token
);
717 default_shell
= xstrdup(w32ify(sh_path
,0));
723 (_("find_and_set_shell path search set default_shell = %s\n"),
729 if (!unixy_shell
&& sh_found
&&
730 (strstr(default_shell
, "sh") || strstr(default_shell
, "SH"))) {
732 batch_mode_shell
= 0;
735 #ifdef BATCH_MODE_ONLY_SHELL
736 batch_mode_shell
= 1;
741 #endif /* WINDOWS32 */
746 msdos_return_to_initial_directory ()
748 if (directory_before_chdir
)
749 chdir (directory_before_chdir
);
753 extern char *mktemp ();
754 extern int mkstemp ();
757 open_tmpfile(name
, template)
759 const char *template;
763 #if defined HAVE_MKSTEMP || defined HAVE_MKTEMP
764 # define TEMPLATE_LEN strlen (template)
766 # define TEMPLATE_LEN L_tmpnam
768 *name
= xmalloc (TEMPLATE_LEN
+ 1);
769 strcpy (*name
, template);
771 #if defined HAVE_MKSTEMP && defined HAVE_FDOPEN
772 /* It's safest to use mkstemp(), if we can. */
773 fd
= mkstemp (*name
);
776 return fdopen (fd
, "w");
779 (void) mktemp (*name
);
781 (void) tmpnam (*name
);
785 /* Can't use mkstemp(), but guard against a race condition. */
786 fd
= open (*name
, O_CREAT
|O_EXCL
|O_WRONLY
, 0600);
789 return fdopen (fd
, "w");
791 /* Not secure, but what can we do? */
792 return fopen (*name
, "w");
800 main (argc
, argv
, envp
)
805 int main (int argc
, char ** argv
)
808 static char *stdin_nm
= 0;
809 register struct file
*f
;
810 register unsigned int i
;
812 struct dep
*read_makefiles
;
813 PATH_VAR (current_directory
);
815 char *unix_path
= NULL
;
816 char *windows32_path
= NULL
;
818 SetUnhandledExceptionFilter(handle_runtime_exceptions
);
820 /* start off assuming we have no shell */
822 no_default_sh_exe
= 1;
825 default_goal_file
= 0;
828 #if defined (__MSDOS__) && !defined (_POSIX_SOURCE)
829 /* Request the most powerful version of `system', to
830 make up for the dumb default shell. */
831 __system_flags
= (__system_redirect
833 | __system_allow_multiple_cmds
834 | __system_allow_long_cmds
835 | __system_handle_null_commands
836 | __system_emulate_chdir
);
840 /* Set up gettext/internationalization support. */
841 setlocale (LC_ALL
, "");
842 bindtextdomain (PACKAGE
, LOCALEDIR
);
843 textdomain (PACKAGE
);
846 sigemptyset (&fatal_signal_set
);
847 #define ADD_SIG(sig) sigaddset (&fatal_signal_set, sig)
849 #ifdef HAVE_SIGSETMASK
850 fatal_signal_mask
= 0;
851 #define ADD_SIG(sig) fatal_signal_mask |= sigmask (sig)
857 #define FATAL_SIG(sig) \
858 if (bsd_signal (sig, fatal_error_signal) == SIG_IGN) \
859 bsd_signal (sig, SIG_IGN); \
873 /* Windows 9X delivers FP exceptions in child programs to their
874 parent! We don't want Make to die when a child divides by zero,
875 so we work around that lossage by catching SIGFPE. */
880 FATAL_SIG (SIGDANGER
);
891 /* Do not ignore the child-death signal. This must be done before
892 any children could possibly be created; otherwise, the wait
893 functions won't work on systems with the SVR4 ECHILD brain
894 damage, if our invoker is ignoring this signal. */
896 #ifdef HAVE_WAIT_NOHANG
898 (void) bsd_signal (SIGCHLD
, SIG_DFL
);
900 # if defined SIGCLD && SIGCLD != SIGCHLD
901 (void) bsd_signal (SIGCLD
, SIG_DFL
);
905 /* Make sure stdout is line-buffered. */
908 # ifdef SETVBUF_REVERSED
909 setvbuf (stdout
, (char *) 0, _IOLBF
, BUFSIZ
);
910 # else /* setvbuf not reversed. */
911 /* Some buggy systems lose if we pass 0 instead of allocating ourselves. */
912 setvbuf (stdout
, _IOLBF
, xmalloc (BUFSIZ
), BUFSIZ
);
913 # endif /* setvbuf reversed. */
914 #elif HAVE_SETLINEBUF
916 #endif /* setlinebuf missing. */
918 /* Figure out where this program lives. */
922 if (argv
[0][0] == '\0')
927 program
= strrchr (argv
[0], ']');
929 program
= strrchr (argv
[0], '/');
933 program
= strrchr (argv
[0], '\\');
936 /* Some weird environments might pass us argv[0] with
937 both kinds of slashes; we must find the rightmost. */
938 char *p
= strrchr (argv
[0], '\\');
939 if (p
&& p
> program
)
942 if (program
== 0 && argv
[0][1] == ':')
943 program
= argv
[0] + 1;
951 /* Set up to access user data (files). */
954 /* Figure out where we are. */
957 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
959 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
963 perror_with_name ("getcwd: ", "");
965 error (NILF
, "getwd: %s", current_directory
);
967 current_directory
[0] = '\0';
968 directory_before_chdir
= 0;
971 directory_before_chdir
= xstrdup (current_directory
);
973 /* Make sure we will return to the initial directory, come what may. */
974 atexit (msdos_return_to_initial_directory
);
977 /* Read in variables from the environment. It is important that this be
978 done before $(MAKE) is figured out so its definitions will not be
979 from the environment. */
982 for (i
= 0; envp
[i
] != 0; ++i
)
985 register char *ep
= envp
[i
];
987 /* by default, everything gets defined and exported */
993 if (!unix_path
&& strneq(envp
[i
], "PATH=", 5))
995 else if (!windows32_path
&& !strnicmp(envp
[i
], "Path=", 5)) {
996 do_not_define
= 1; /* it gets defined after loop exits */
997 windows32_path
= ep
+1;
1000 /* The result of pointer arithmetic is cast to unsigned int for
1001 machines where ptrdiff_t is a different size that doesn't widen
1004 define_variable (envp
[i
], (unsigned int) (ep
- envp
[i
]),
1006 /* Force exportation of every variable culled from the environment.
1007 We used to rely on target_environment's v_default code to do this.
1008 But that does not work for the case where an environment variable
1009 is redefined in a makefile with `override'; it should then still
1010 be exported, because it was originally in the environment. */
1011 ->export
= v_export
;
1015 * Make sure that this particular spelling of 'Path' is available
1018 define_variable("Path", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1020 define_variable("Path", 4, unix_path
, o_env
, 1)->export
= v_export
;
1022 define_variable("Path", 4, "", o_env
, 1)->export
= v_export
;
1025 * PATH defaults to Path iff PATH not found and Path is found.
1027 if (!unix_path
&& windows32_path
)
1028 define_variable("PATH", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1030 #else /* For Amiga, read the ENV: device, ignoring all dirs */
1032 BPTR env
, file
, old
;
1035 __aligned
struct FileInfoBlock fib
;
1037 env
= Lock ("ENV:", ACCESS_READ
);
1040 old
= CurrentDir (DupLock(env
));
1041 Examine (env
, &fib
);
1043 while (ExNext (env
, &fib
))
1045 if (fib
.fib_DirEntryType
< 0) /* File */
1047 /* Define an empty variable. It will be filled in
1048 variable_lookup(). Makes startup quite a bit
1050 define_variable (fib
.fib_FileName
,
1051 strlen (fib
.fib_FileName
),
1052 "", o_env
, 1)->export
= v_export
;
1056 UnLock(CurrentDir(old
));
1061 /* Decode the switches. */
1063 decode_env_switches ("MAKEFLAGS", 9);
1065 /* People write things like:
1066 MFLAGS="CC=gcc -pipe" "CFLAGS=-g"
1067 and we set the -p, -i and -e switches. Doesn't seem quite right. */
1068 decode_env_switches ("MFLAGS", 6);
1070 decode_switches (argc
, argv
, 0);
1073 fprintf(stderr
, "%s (pid = %d)\n", argv
[0], GetCurrentProcessId());
1074 fprintf(stderr
, _("%s is suspending for 30 seconds..."), argv
[0]);
1076 fprintf(stderr
, _("done sleep(30). Continuing.\n"));
1080 decode_debug_flags ();
1082 /* Print version information. */
1084 if (print_version_flag
|| print_data_base_flag
|| db_level
)
1087 /* `make --version' is supposed to just print the version and exit. */
1088 if (print_version_flag
)
1092 /* Set the "MAKE_COMMAND" variable to the name we were invoked with.
1093 (If it is a relative pathname with a slash, prepend our directory name
1094 so the result will run the same program regardless of the current dir.
1095 If it is a name with no slash, we can only hope that PATH did not
1096 find it in the current directory.) */
1099 * Convert from backslashes to forward slashes for
1100 * programs like sh which don't like them. Shouldn't
1101 * matter if the path is one way or the other for
1104 if (strpbrk(argv
[0], "/:\\") ||
1105 strstr(argv
[0], "..") ||
1106 strneq(argv
[0], "//", 2))
1107 argv
[0] = xstrdup(w32ify(argv
[0],1));
1108 #else /* WINDOWS32 */
1110 if (strchr (argv
[0], '\\'))
1114 argv
[0] = xstrdup (argv
[0]);
1115 for (p
= argv
[0]; *p
; p
++)
1119 /* If argv[0] is not in absolute form, prepend the current
1120 directory. This can happen when Make is invoked by another DJGPP
1121 program that uses a non-absolute name. */
1122 if (current_directory
[0] != '\0'
1124 && (argv
[0][0] != '/' && (argv
[0][0] == '\0' || argv
[0][1] != ':')))
1125 argv
[0] = concat (current_directory
, "/", argv
[0]);
1126 #else /* !__MSDOS__ */
1127 if (current_directory
[0] != '\0'
1128 && argv
[0] != 0 && argv
[0][0] != '/' && strchr (argv
[0], '/') != 0)
1129 argv
[0] = concat (current_directory
, "/", argv
[0]);
1130 #endif /* !__MSDOS__ */
1131 #endif /* WINDOWS32 */
1134 /* The extra indirection through $(MAKE_COMMAND) is done
1135 for hysterical raisins. */
1136 (void) define_variable ("MAKE_COMMAND", 12, argv
[0], o_default
, 0);
1137 (void) define_variable ("MAKE", 4, "$(MAKE_COMMAND)", o_default
, 1);
1139 if (command_variables
!= 0)
1141 struct command_variable
*cv
;
1143 unsigned int len
= 0;
1146 /* Figure out how much space will be taken up by the command-line
1147 variable definitions. */
1148 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1151 len
+= 2 * strlen (v
->name
);
1155 len
+= 2 * strlen (v
->value
);
1159 /* Now allocate a buffer big enough and fill it. */
1160 p
= value
= (char *) alloca (len
);
1161 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1164 p
= quote_for_env (p
, v
->name
);
1168 p
= quote_for_env (p
, v
->value
);
1171 p
[-1] = '\0'; /* Kill the final space and terminate. */
1173 /* Define an unchangeable variable with a name that no POSIX.2
1174 makefile could validly use for its own variable. */
1175 (void) define_variable ("-*-command-variables-*-", 23,
1176 value
, o_automatic
, 0);
1178 /* Define the variable; this will not override any user definition.
1179 Normally a reference to this variable is written into the value of
1180 MAKEFLAGS, allowing the user to override this value to affect the
1181 exported value of MAKEFLAGS. In POSIX-pedantic mode, we cannot
1182 allow the user's setting of MAKEOVERRIDES to affect MAKEFLAGS, so
1183 a reference to this hidden variable is written instead. */
1184 (void) define_variable ("MAKEOVERRIDES", 13,
1185 "${-*-command-variables-*-}", o_env
, 1);
1188 /* If there were -C flags, move ourselves about. */
1189 if (directories
!= 0)
1190 for (i
= 0; directories
->list
[i
] != 0; ++i
)
1192 char *dir
= directories
->list
[i
];
1195 char *expanded
= tilde_expand (dir
);
1199 if (chdir (dir
) < 0)
1200 pfatal_with_name (dir
);
1201 if (dir
!= directories
->list
[i
])
1207 * THIS BLOCK OF CODE MUST COME AFTER chdir() CALL ABOVE IN ORDER
1208 * TO NOT CONFUSE THE DEPENDENCY CHECKING CODE IN implicit.c.
1210 * The functions in dir.c can incorrectly cache information for "."
1211 * before we have changed directory and this can cause file
1212 * lookups to fail because the current directory (.) was pointing
1213 * at the wrong place when it was first evaluated.
1215 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1217 #endif /* WINDOWS32 */
1218 /* Figure out the level of recursion. */
1220 struct variable
*v
= lookup_variable ("MAKELEVEL", 9);
1221 if (v
!= 0 && v
->value
[0] != '\0' && v
->value
[0] != '-')
1222 makelevel
= (unsigned int) atoi (v
->value
);
1227 /* Except under -s, always do -w in sub-makes and under -C. */
1228 if (!silent_flag
&& (directories
!= 0 || makelevel
> 0))
1229 print_directory_flag
= 1;
1231 /* Let the user disable that with --no-print-directory. */
1232 if (inhibit_print_directory_flag
)
1233 print_directory_flag
= 0;
1235 /* If -R was given, set -r too (doesn't make sense otherwise!) */
1236 if (no_builtin_variables_flag
)
1237 no_builtin_rules_flag
= 1;
1239 /* Construct the list of include directories to search. */
1241 construct_include_path (include_directories
== 0 ? (char **) 0
1242 : include_directories
->list
);
1244 /* Figure out where we are now, after chdir'ing. */
1245 if (directories
== 0)
1246 /* We didn't move, so we're still in the same place. */
1247 starting_directory
= current_directory
;
1251 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
1253 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
1257 perror_with_name ("getcwd: ", "");
1259 error (NILF
, "getwd: %s", current_directory
);
1261 starting_directory
= 0;
1264 starting_directory
= current_directory
;
1267 (void) define_variable ("CURDIR", 6, current_directory
, o_default
, 0);
1269 /* Read any stdin makefiles into temporary files. */
1273 register unsigned int i
;
1274 for (i
= 0; i
< makefiles
->idx
; ++i
)
1275 if (makefiles
->list
[i
][0] == '-' && makefiles
->list
[i
][1] == '\0')
1277 /* This makefile is standard input. Since we may re-exec
1278 and thus re-read the makefiles, we read standard input
1279 into a temporary file and read from that. */
1281 char *template, *tmpdir
;
1284 fatal (NILF
, _("Makefile from standard input specified twice."));
1287 # define DEFAULT_TMPDIR "sys$scratch:"
1290 # define DEFAULT_TMPDIR P_tmpdir
1292 # define DEFAULT_TMPDIR "/tmp"
1295 #define DEFAULT_TMPFILE "GmXXXXXX"
1297 if (((tmpdir
= getenv ("TMPDIR")) == NULL
|| *tmpdir
== '\0')
1298 #if defined __MSDOS__ || defined(WINDOWS32)
1299 /* These are also used commonly on these platforms. */
1300 && ((tmpdir
= getenv ("TEMP")) == NULL
|| *tmpdir
== '\0')
1301 && ((tmpdir
= getenv ("TMP")) == NULL
|| *tmpdir
== '\0')
1304 tmpdir
= DEFAULT_TMPDIR
;
1306 template = (char *) alloca (strlen (tmpdir
)
1307 + sizeof (DEFAULT_TMPFILE
) + 1);
1308 strcpy (template, tmpdir
);
1310 #if defined __MSDOS__ || defined(WINDOWS32)
1311 if (strchr ("/\\", template[strlen (template) - 1]) == NULL
)
1312 strcat (template, "/");
1315 if (template[strlen (template) - 1] != '/')
1316 strcat (template, "/");
1318 #endif /* __MSDOS__ || WINDOWS32 */
1320 strcat (template, DEFAULT_TMPFILE
);
1321 outfile
= open_tmpfile (&stdin_nm
, template);
1323 pfatal_with_name (_("fopen (temporary file)"));
1324 while (!feof (stdin
))
1327 unsigned int n
= fread (buf
, 1, sizeof (buf
), stdin
);
1328 if (n
> 0 && fwrite (buf
, 1, n
, outfile
) != n
)
1329 pfatal_with_name (_("fwrite (temporary file)"));
1331 (void) fclose (outfile
);
1333 /* Replace the name that read_all_makefiles will
1334 see with the name of the temporary file. */
1335 makefiles
->list
[i
] = xstrdup (stdin_nm
);
1337 /* Make sure the temporary file will not be remade. */
1338 f
= enter_file (stdin_nm
);
1340 f
->update_status
= 0;
1341 f
->command_state
= cs_finished
;
1342 /* Can't be intermediate, or it'll be removed too early for
1344 f
->intermediate
= 0;
1349 #if defined(MAKE_JOBSERVER) || !defined(HAVE_WAIT_NOHANG)
1350 /* Set up to handle children dying. This must be done before
1351 reading in the makefiles so that `shell' function calls will work.
1353 If we don't have a hanging wait we have to fall back to old, broken
1354 functionality here and rely on the signal handler and counting
1357 If we're using the jobs pipe we need a signal handler so that
1358 SIGCHLD is not ignored; we need it to interrupt the read(2) of the
1359 jobserver pipe in job.c if we're waiting for a token.
1361 If none of these are true, we don't need a signal handler at all. */
1363 extern RETSIGTYPE child_handler
PARAMS ((int sig
));
1364 # if defined SIGCHLD
1365 bsd_signal (SIGCHLD
, child_handler
);
1367 # if defined SIGCLD && SIGCLD != SIGCHLD
1368 bsd_signal (SIGCLD
, child_handler
);
1373 /* Let the user send us SIGUSR1 to toggle the -d flag during the run. */
1375 bsd_signal (SIGUSR1
, debug_signal_handler
);
1378 /* Define the initial list of suffixes for old-style rules. */
1380 set_default_suffixes ();
1382 /* Define the file rules for the built-in suffix rules. These will later
1383 be converted into pattern rules. We used to do this in
1384 install_default_implicit_rules, but since that happens after reading
1385 makefiles, it results in the built-in pattern rules taking precedence
1386 over makefile-specified suffix rules, which is wrong. */
1388 install_default_suffix_rules ();
1390 /* Define some internal and special variables. */
1392 define_automatic_variables ();
1394 /* Set up the MAKEFLAGS and MFLAGS variables
1395 so makefiles can look at them. */
1397 define_makeflags (0, 0);
1399 /* Define the default variables. */
1400 define_default_variables ();
1402 /* Read all the makefiles. */
1404 default_file
= enter_file (".DEFAULT");
1407 = read_all_makefiles (makefiles
== 0 ? (char **) 0 : makefiles
->list
);
1410 /* look one last time after reading all Makefiles */
1411 if (no_default_sh_exe
)
1412 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1414 if (no_default_sh_exe
&& job_slots
!= 1) {
1415 error (NILF
, _("Do not specify -j or --jobs if sh.exe is not available."));
1416 error (NILF
, _("Resetting make for single job mode."));
1419 #endif /* WINDOWS32 */
1422 /* We need to know what kind of shell we will be using. */
1424 extern int _is_unixy_shell (const char *_path
);
1425 struct variable
*shv
= lookup_variable ("SHELL", 5);
1426 extern int unixy_shell
;
1427 extern char *default_shell
;
1429 if (shv
&& *shv
->value
)
1431 char *shell_path
= recursively_expand(shv
);
1433 if (shell_path
&& _is_unixy_shell (shell_path
))
1438 default_shell
= shell_path
;
1441 #endif /* __MSDOS__ */
1443 /* Decode switches again, in case the variables were set by the makefile. */
1444 decode_env_switches ("MAKEFLAGS", 9);
1446 decode_env_switches ("MFLAGS", 6);
1453 _("Parallel jobs (-j) are not supported on this platform."));
1454 error (NILF
, _("Resetting to single job (-j1) mode."));
1459 #ifdef MAKE_JOBSERVER
1460 /* If the jobserver-fds option is seen, make sure that -j is reasonable. */
1466 for (i
=1; i
< jobserver_fds
->idx
; ++i
)
1467 if (!streq (jobserver_fds
->list
[0], jobserver_fds
->list
[i
]))
1468 fatal (NILF
, _("internal error: multiple --jobserver-fds options"));
1470 /* Now parse the fds string and make sure it has the proper format. */
1472 cp
= jobserver_fds
->list
[0];
1474 if (sscanf (cp
, "%d,%d", &job_fds
[0], &job_fds
[1]) != 2)
1476 _("internal error: invalid --jobserver-fds string `%s'"), cp
);
1478 /* The combination of a pipe + !job_slots means we're using the
1479 jobserver. If !job_slots and we don't have a pipe, we can start
1480 infinite jobs. If we see both a pipe and job_slots >0 that means the
1481 user set -j explicitly. This is broken; in this case obey the user
1482 (ignore the jobserver pipe for this make) but print a message. */
1486 _("warning: -jN forced in submake: disabling jobserver mode."));
1488 /* Create a duplicate pipe, that will be closed in the SIGCHLD
1489 handler. If this fails with EBADF, the parent has closed the pipe
1490 on us because it didn't think we were a submake. If so, print a
1491 warning then default to -j1. */
1493 else if ((job_rfd
= dup (job_fds
[0])) < 0)
1496 pfatal_with_name (_("dup jobserver"));
1499 _("warning: jobserver unavailable: using -j1. Add `+' to parent make rule."));
1507 job_fds
[0] = job_fds
[1] = -1;
1508 free (jobserver_fds
->list
);
1509 free (jobserver_fds
);
1514 /* If we have >1 slot but no jobserver-fds, then we're a top-level make.
1515 Set up the pipe and install the fds option for our children. */
1521 if (pipe (job_fds
) < 0 || (job_rfd
= dup (job_fds
[0])) < 0)
1522 pfatal_with_name (_("creating jobs pipe"));
1524 /* Every make assumes that it always has one job it can run. For the
1525 submakes it's the token they were given by their parent. For the
1526 top make, we just subtract one from the number the user wants. We
1527 want job_slots to be 0 to indicate we're using the jobserver. */
1530 if (write (job_fds
[1], &c
, 1) != 1)
1531 pfatal_with_name (_("init jobserver pipe"));
1533 /* Fill in the jobserver_fds struct for our children. */
1535 jobserver_fds
= (struct stringlist
*)
1536 xmalloc (sizeof (struct stringlist
));
1537 jobserver_fds
->list
= (char **) xmalloc (sizeof (char *));
1538 jobserver_fds
->list
[0] = xmalloc ((sizeof ("1024")*2)+1);
1540 sprintf (jobserver_fds
->list
[0], "%d,%d", job_fds
[0], job_fds
[1]);
1541 jobserver_fds
->idx
= 1;
1542 jobserver_fds
->max
= 1;
1546 /* Set up MAKEFLAGS and MFLAGS again, so they will be right. */
1548 define_makeflags (1, 0);
1550 /* Make each `struct dep' point at the `struct file' for the file
1551 depended on. Also do magic for special targets. */
1555 /* Convert old-style suffix rules to pattern rules. It is important to
1556 do this before installing the built-in pattern rules below, so that
1557 makefile-specified suffix rules take precedence over built-in pattern
1560 convert_to_pattern ();
1562 /* Install the default implicit pattern rules.
1563 This used to be done before reading the makefiles.
1564 But in that case, built-in pattern rules were in the chain
1565 before user-defined ones, so they matched first. */
1567 install_default_implicit_rules ();
1569 /* Compute implicit rule limits. */
1571 count_implicit_rule_limits ();
1573 /* Construct the listings of directories in VPATH lists. */
1575 build_vpath_lists ();
1577 /* Mark files given with -o flags as very old
1578 and as having been updated already, and files given with -W flags as
1579 brand new (time-stamp as far as possible into the future). */
1582 for (p
= old_files
->list
; *p
!= 0; ++p
)
1584 f
= enter_command_line_file (*p
);
1585 f
->last_mtime
= f
->mtime_before_update
= OLD_MTIME
;
1587 f
->update_status
= 0;
1588 f
->command_state
= cs_finished
;
1593 for (p
= new_files
->list
; *p
!= 0; ++p
)
1595 f
= enter_command_line_file (*p
);
1596 f
->last_mtime
= f
->mtime_before_update
= NEW_MTIME
;
1600 /* Initialize the remote job module. */
1603 if (read_makefiles
!= 0)
1605 /* Update any makefiles if necessary. */
1607 FILE_TIMESTAMP
*makefile_mtimes
= 0;
1608 unsigned int mm_idx
= 0;
1609 char **nargv
= argv
;
1611 int orig_db_level
= db_level
;
1613 if (! ISDB (DB_MAKEFILES
))
1616 DB (DB_BASIC
, (_("Updating makefiles....\n")));
1618 /* Remove any makefiles we don't want to try to update.
1619 Also record the current modtimes so we can compare them later. */
1621 register struct dep
*d
, *last
;
1626 register struct file
*f
= d
->file
;
1627 if (f
->double_colon
)
1628 for (f
= f
->double_colon
; f
!= NULL
; f
= f
->prev
)
1630 if (f
->deps
== 0 && f
->cmds
!= 0)
1632 /* This makefile is a :: target with commands, but
1633 no dependencies. So, it will always be remade.
1634 This might well cause an infinite loop, so don't
1635 try to remake it. (This will only happen if
1636 your makefiles are written exceptionally
1637 stupidly; but if you work for Athena, that's how
1638 you write your makefiles.) */
1641 (_("Makefile `%s' might loop; not remaking it.\n"),
1645 read_makefiles
= d
->next
;
1647 last
->next
= d
->next
;
1649 /* Free the storage. */
1652 d
= last
== 0 ? read_makefiles
: last
->next
;
1657 if (f
== NULL
|| !f
->double_colon
)
1659 makefile_mtimes
= (FILE_TIMESTAMP
*)
1660 xrealloc ((char *) makefile_mtimes
,
1661 (mm_idx
+ 1) * sizeof (FILE_TIMESTAMP
));
1662 makefile_mtimes
[mm_idx
++] = file_mtime_no_search (d
->file
);
1669 /* Set up `MAKEFLAGS' specially while remaking makefiles. */
1670 define_makeflags (1, 1);
1672 switch (update_goal_chain (read_makefiles
, 1))
1675 /* The only way this can happen is if the user specified -q and asked
1676 * for one of the makefiles to be remade as a target on the command
1677 * line. Since we're not actually updating anything with -q we can
1678 * treat this as "did nothing".
1686 /* Failed to update. Figure out if we care. */
1688 /* Nonzero if any makefile was successfully remade. */
1690 /* Nonzero if any makefile we care about failed
1691 in updating or could not be found at all. */
1693 register unsigned int i
;
1696 for (i
= 0, d
= read_makefiles
; d
!= 0; ++i
, d
= d
->next
)
1698 /* Reset the considered flag; we may need to look at the file
1699 again to print an error. */
1700 d
->file
->considered
= 0;
1702 if (d
->file
->updated
)
1704 /* This makefile was updated. */
1705 if (d
->file
->update_status
== 0)
1707 /* It was successfully updated. */
1708 any_remade
|= (file_mtime_no_search (d
->file
)
1709 != makefile_mtimes
[i
]);
1711 else if (! (d
->changed
& RM_DONTCARE
))
1713 FILE_TIMESTAMP mtime
;
1714 /* The update failed and this makefile was not
1715 from the MAKEFILES variable, so we care. */
1716 error (NILF
, _("Failed to remake makefile `%s'."),
1718 mtime
= file_mtime_no_search (d
->file
);
1719 any_remade
|= (mtime
!= NONEXISTENT_MTIME
1720 && mtime
!= makefile_mtimes
[i
]);
1724 /* This makefile was not found at all. */
1725 if (! (d
->changed
& RM_DONTCARE
))
1727 /* This is a makefile we care about. See how much. */
1728 if (d
->changed
& RM_INCLUDED
)
1729 /* An included makefile. We don't need
1730 to die, but we do want to complain. */
1732 _("Included makefile `%s' was not found."),
1736 /* A normal makefile. We must die later. */
1737 error (NILF
, _("Makefile `%s' was not found"),
1743 /* Reset this to empty so we get the right error message below. */
1755 /* Updated successfully. Re-exec ourselves. */
1757 remove_intermediates (0);
1759 if (print_data_base_flag
)
1762 log_working_directory (0);
1766 /* These names might have changed. */
1767 register unsigned int i
, j
= 0;
1768 for (i
= 1; i
< argc
; ++i
)
1769 if (strneq (argv
[i
], "-f", 2)) /* XXX */
1771 char *p
= &argv
[i
][2];
1773 argv
[++i
] = makefiles
->list
[j
];
1775 argv
[i
] = concat ("-f", makefiles
->list
[j
], "");
1780 /* Add -o option for the stdin temporary file, if necessary. */
1783 nargv
= (char **) xmalloc ((nargc
+ 2) * sizeof (char *));
1784 bcopy ((char *) argv
, (char *) nargv
, argc
* sizeof (char *));
1785 nargv
[nargc
++] = concat ("-o", stdin_nm
, "");
1789 if (directories
!= 0 && directories
->idx
> 0)
1792 if (directory_before_chdir
!= 0)
1794 if (chdir (directory_before_chdir
) < 0)
1796 perror_with_name ("chdir", "");
1805 fatal (NILF
, _("Couldn't change back to original directory."));
1809 for (p
= environ
; *p
!= 0; ++p
)
1810 if (strneq (*p
, "MAKELEVEL=", 10))
1812 /* The SGI compiler apparently can't understand
1813 the concept of storing the result of a function
1814 in something other than a local variable. */
1816 sgi_loses
= (char *) alloca (40);
1818 sprintf (*p
, "MAKELEVEL=%u", makelevel
);
1826 len
= GetVar ("MAKELEVEL", buffer
, sizeof (buffer
), GVF_GLOBAL_ONLY
);
1830 sprintf (buffer
, "%u", makelevel
);
1831 SetVar ("MAKELEVEL", buffer
, -1, GVF_GLOBAL_ONLY
);
1836 if (ISDB (DB_BASIC
))
1839 fputs (_("Re-executing:"), stdout
);
1840 for (p
= nargv
; *p
!= 0; ++p
)
1848 /* Close the dup'd jobserver pipe if we opened one. */
1853 exec_command (nargv
, environ
);
1855 exec_command (nargv
);
1861 #define BOGUS_UPDATE_STATUS 0
1862 assert (BOGUS_UPDATE_STATUS
);
1866 db_level
= orig_db_level
;
1869 /* Set up `MAKEFLAGS' again for the normal targets. */
1870 define_makeflags (1, 0);
1872 /* If there is a temp file from reading a makefile from stdin, get rid of
1874 if (stdin_nm
&& unlink (stdin_nm
) < 0 && errno
!= ENOENT
)
1875 perror_with_name (_("unlink (temporary file): "), stdin_nm
);
1880 /* If there were no command-line goals, use the default. */
1883 if (default_goal_file
!= 0)
1885 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
1888 goals
->file
= default_goal_file
;
1896 if (read_makefiles
== 0)
1897 fatal (NILF
, _("No targets specified and no makefile found"));
1899 fatal (NILF
, _("No targets"));
1902 /* Update the goals. */
1904 DB (DB_BASIC
, (_("Updating goal targets....\n")));
1906 switch (update_goal_chain (goals
, 0))
1909 /* Nothing happened. */
1911 /* Updated successfully. */
1912 status
= MAKE_SUCCESS
;
1915 /* We are under -q and would run some commands. */
1916 status
= MAKE_TROUBLE
;
1919 /* Updating failed. POSIX.2 specifies exit status >1 for this;
1920 but in VMS, there is only success and failure. */
1921 status
= MAKE_FAILURE
;
1927 /* If we detected some clock skew, generate one last warning */
1928 if (clock_skew_detected
)
1930 _("warning: Clock skew detected. Your build may be incomplete."));
1939 /* Parsing of arguments, decoding of switches. */
1941 static char options
[1 + sizeof (switches
) / sizeof (switches
[0]) * 3];
1942 static struct option long_options
[(sizeof (switches
) / sizeof (switches
[0])) +
1943 (sizeof (long_option_aliases
) /
1944 sizeof (long_option_aliases
[0]))];
1946 /* Fill in the string and vector for getopt. */
1952 register unsigned int i
;
1954 if (options
[0] != '\0')
1960 /* Return switch and non-switch args in order, regardless of
1961 POSIXLY_CORRECT. Non-switch args are returned as option 1. */
1964 for (i
= 0; switches
[i
].c
!= '\0'; ++i
)
1966 long_options
[i
].name
= (switches
[i
].long_name
== 0 ? "" :
1967 switches
[i
].long_name
);
1968 long_options
[i
].flag
= 0;
1969 long_options
[i
].val
= switches
[i
].c
;
1970 if (short_option (switches
[i
].c
))
1971 *p
++ = switches
[i
].c
;
1972 switch (switches
[i
].type
)
1977 long_options
[i
].has_arg
= no_argument
;
1983 if (short_option (switches
[i
].c
))
1985 if (switches
[i
].noarg_value
!= 0)
1987 if (short_option (switches
[i
].c
))
1989 long_options
[i
].has_arg
= optional_argument
;
1992 long_options
[i
].has_arg
= required_argument
;
1997 for (c
= 0; c
< (sizeof (long_option_aliases
) /
1998 sizeof (long_option_aliases
[0]));
2000 long_options
[i
++] = long_option_aliases
[c
];
2001 long_options
[i
].name
= 0;
2005 handle_non_switch_argument (arg
, env
)
2009 /* Non-option argument. It might be a variable definition. */
2011 if (arg
[0] == '-' && arg
[1] == '\0')
2012 /* Ignore plain `-' for compatibility. */
2014 v
= try_variable_definition (0, arg
, o_command
, 0);
2017 /* It is indeed a variable definition. Record a pointer to
2018 the variable for later use in define_makeflags. */
2019 struct command_variable
*cv
2020 = (struct command_variable
*) xmalloc (sizeof (*cv
));
2022 cv
->next
= command_variables
;
2023 command_variables
= cv
;
2027 /* Not an option or variable definition; it must be a goal
2028 target! Enter it as a file and add it to the dep chain of
2030 struct file
*f
= enter_command_line_file (arg
);
2035 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
2040 lastgoal
->next
= (struct dep
*) xmalloc (sizeof (struct dep
));
2041 lastgoal
= lastgoal
->next
;
2047 /* Add this target name to the MAKECMDGOALS variable. */
2051 v
= lookup_variable ("MAKECMDGOALS", 12);
2056 /* Paste the old and new values together */
2057 unsigned int oldlen
, newlen
;
2059 oldlen
= strlen (v
->value
);
2060 newlen
= strlen (f
->name
);
2061 value
= (char *) alloca (oldlen
+ 1 + newlen
+ 1);
2062 bcopy (v
->value
, value
, oldlen
);
2063 value
[oldlen
] = ' ';
2064 bcopy (f
->name
, &value
[oldlen
+ 1], newlen
+ 1);
2066 define_variable ("MAKECMDGOALS", 12, value
, o_default
, 0);
2071 /* Print a nice usage method. */
2077 register const struct command_switch
*cs
;
2080 if (print_version_flag
)
2083 usageto
= bad
? stderr
: stdout
;
2085 fprintf (usageto
, _("Usage: %s [options] [target] ...\n"), program
);
2087 fputs (_("Options:\n"), usageto
);
2088 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2090 char buf
[1024], shortarg
[50], longarg
[50], *p
;
2092 if (!cs
->description
|| cs
->description
[0] == '-')
2095 switch (long_options
[cs
- switches
].has_arg
)
2098 shortarg
[0] = longarg
[0] = '\0';
2100 case required_argument
:
2101 sprintf (longarg
, "=%s", gettext (cs
->argdesc
));
2102 sprintf (shortarg
, " %s", gettext (cs
->argdesc
));
2104 case optional_argument
:
2105 sprintf (longarg
, "[=%s]", gettext (cs
->argdesc
));
2106 sprintf (shortarg
, " [%s]", gettext (cs
->argdesc
));
2112 if (short_option (cs
->c
))
2114 sprintf (buf
, " -%c%s", cs
->c
, shortarg
);
2117 if (cs
->long_name
!= 0)
2120 sprintf (p
, "%s--%s%s",
2121 !short_option (cs
->c
) ? " " : ", ",
2122 cs
->long_name
, longarg
);
2124 for (i
= 0; i
< (sizeof (long_option_aliases
) /
2125 sizeof (long_option_aliases
[0]));
2127 if (long_option_aliases
[i
].val
== cs
->c
)
2129 sprintf (p
, ", --%s%s",
2130 long_option_aliases
[i
].name
, longarg
);
2135 const struct command_switch
*ncs
= cs
;
2136 while ((++ncs
)->c
!= '\0')
2137 if (ncs
->description
2138 && ncs
->description
[0] == '-'
2139 && ncs
->description
[1] == cs
->c
)
2141 /* This is another switch that does the same
2142 one as the one we are processing. We want
2143 to list them all together on one line. */
2144 sprintf (p
, ", -%c%s", ncs
->c
, shortarg
);
2146 if (ncs
->long_name
!= 0)
2148 sprintf (p
, ", --%s%s", ncs
->long_name
, longarg
);
2154 if (p
- buf
> DESCRIPTION_COLUMN
- 2)
2155 /* The list of option names is too long to fit on the same
2156 line with the description, leaving at least two spaces.
2157 Print it on its own line instead. */
2159 fprintf (usageto
, "%s\n", buf
);
2163 fprintf (usageto
, "%*s%s.\n",
2164 - DESCRIPTION_COLUMN
,
2165 buf
, gettext (cs
->description
));
2168 fprintf (usageto
, _("\nReport bugs to <bug-make@gnu.org>.\n"));
2171 /* Decode switches from ARGC and ARGV.
2172 They came from the environment if ENV is nonzero. */
2175 decode_switches (argc
, argv
, env
)
2181 register const struct command_switch
*cs
;
2182 register struct stringlist
*sl
;
2185 /* getopt does most of the parsing for us.
2186 First, get its vectors set up. */
2190 /* Let getopt produce error messages for the command line,
2191 but not for options from the environment. */
2193 /* Reset getopt's state. */
2196 while (optind
< argc
)
2198 /* Parse the next argument. */
2199 c
= getopt_long (argc
, argv
, options
, long_options
, (int *) 0);
2201 /* End of arguments, or "--" marker seen. */
2204 /* An argument not starting with a dash. */
2205 handle_non_switch_argument (optarg
, env
);
2207 /* Bad option. We will print a usage message and die later.
2208 But continue to parse the other options so the user can
2209 see all he did wrong. */
2212 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2215 /* Whether or not we will actually do anything with
2216 this switch. We test this individually inside the
2217 switch below rather than just once outside it, so that
2218 options which are to be ignored still consume args. */
2219 int doit
= !env
|| cs
->env
;
2232 *(int *) cs
->value_ptr
= cs
->type
== flag
;
2240 optarg
= cs
->noarg_value
;
2242 sl
= *(struct stringlist
**) cs
->value_ptr
;
2245 sl
= (struct stringlist
*)
2246 xmalloc (sizeof (struct stringlist
));
2249 sl
->list
= (char **) xmalloc (5 * sizeof (char *));
2250 *(struct stringlist
**) cs
->value_ptr
= sl
;
2252 else if (sl
->idx
== sl
->max
- 1)
2255 sl
->list
= (char **)
2256 xrealloc ((char *) sl
->list
,
2257 sl
->max
* sizeof (char *));
2259 sl
->list
[sl
->idx
++] = optarg
;
2260 sl
->list
[sl
->idx
] = 0;
2264 /* See if we have an option argument; if we do require that
2265 it's all digits, not something like "10foo". */
2266 if (optarg
== 0 && argc
> optind
)
2269 for (cp
=argv
[optind
]; ISDIGIT (cp
[0]); ++cp
)
2272 optarg
= argv
[optind
++];
2280 int i
= atoi (optarg
);
2283 /* Yes, I realize we're repeating this in some cases. */
2284 for (cp
= optarg
; ISDIGIT (cp
[0]); ++cp
)
2287 if (i
< 1 || cp
[0] != '\0')
2289 error (NILF
, _("the `-%c' option requires a positive integral argument"),
2294 *(unsigned int *) cs
->value_ptr
= i
;
2297 *(unsigned int *) cs
->value_ptr
2298 = *(unsigned int *) cs
->noarg_value
;
2303 if (optarg
== 0 && optind
< argc
2304 && (ISDIGIT (argv
[optind
][0]) || argv
[optind
][0] == '.'))
2305 optarg
= argv
[optind
++];
2308 *(double *) cs
->value_ptr
2309 = (optarg
!= 0 ? atof (optarg
)
2310 : *(double *) cs
->noarg_value
);
2316 /* We've found the switch. Stop looking. */
2321 /* There are no more options according to getting getopt, but there may
2322 be some arguments left. Since we have asked for non-option arguments
2323 to be returned in order, this only happens when there is a "--"
2324 argument to prevent later arguments from being options. */
2325 while (optind
< argc
)
2326 handle_non_switch_argument (argv
[optind
++], env
);
2329 if (!env
&& (bad
|| print_usage_flag
))
2336 /* Decode switches from environment variable ENVAR (which is LEN chars long).
2337 We do this by chopping the value into a vector of words, prepending a
2338 dash to the first word if it lacks one, and passing the vector to
2342 decode_env_switches (envar
, len
)
2346 char *varref
= (char *) alloca (2 + len
+ 2);
2351 /* Get the variable's value. */
2354 bcopy (envar
, &varref
[2], len
);
2355 varref
[2 + len
] = ')';
2356 varref
[2 + len
+ 1] = '\0';
2357 value
= variable_expand (varref
);
2359 /* Skip whitespace, and check for an empty value. */
2360 value
= next_token (value
);
2361 len
= strlen (value
);
2365 /* Allocate a vector that is definitely big enough. */
2366 argv
= (char **) alloca ((1 + len
+ 1) * sizeof (char *));
2368 /* Allocate a buffer to copy the value into while we split it into words
2369 and unquote it. We must use permanent storage for this because
2370 decode_switches may store pointers into the passed argument words. */
2371 p
= (char *) xmalloc (2 * len
);
2373 /* getopt will look at the arguments starting at ARGV[1].
2374 Prepend a spacer word. */
2378 while (*value
!= '\0')
2380 if (*value
== '\\' && value
[1] != '\0')
2381 ++value
; /* Skip the backslash. */
2382 else if (isblank ((unsigned char)*value
))
2384 /* End of the word. */
2389 while (isblank ((unsigned char)*value
));
2397 if (argv
[1][0] != '-' && strchr (argv
[1], '=') == 0)
2398 /* The first word doesn't start with a dash and isn't a variable
2399 definition. Add a dash and pass it along to decode_switches. We
2400 need permanent storage for this in case decode_switches saves
2401 pointers into the value. */
2402 argv
[1] = concat ("-", argv
[1], "");
2404 /* Parse those words. */
2405 decode_switches (argc
, argv
, 1);
2408 /* Quote the string IN so that it will be interpreted as a single word with
2409 no magic by decode_env_switches; also double dollar signs to avoid
2410 variable expansion in make itself. Write the result into OUT, returning
2411 the address of the next character to be written.
2412 Allocating space for OUT twice the length of IN is always sufficient. */
2415 quote_for_env (out
, in
)
2422 else if (isblank ((unsigned char)*in
) || *in
== '\\')
2430 /* Define the MAKEFLAGS and MFLAGS variables to reflect the settings of the
2431 command switches. Include options with args if ALL is nonzero.
2432 Don't include options with the `no_makefile' flag set if MAKEFILE. */
2435 define_makeflags (all
, makefile
)
2438 static const char ref
[] = "$(MAKEOVERRIDES)";
2439 static const char posixref
[] = "$(-*-command-variables-*-)";
2440 register const struct command_switch
*cs
;
2446 /* We will construct a linked list of `struct flag's describing
2447 all the flags which need to go in MAKEFLAGS. Then, once we
2448 know how many there are and their lengths, we can put them all
2449 together in a string. */
2454 const struct command_switch
*cs
;
2457 struct flag
*flags
= 0;
2458 unsigned int flagslen
= 0;
2459 #define ADD_FLAG(ARG, LEN) \
2461 struct flag *new = (struct flag *) alloca (sizeof (struct flag)); \
2464 new->next = flags; \
2466 if (new->arg == 0) \
2467 ++flagslen; /* Just a single flag letter. */ \
2469 flagslen += 1 + 1 + 1 + 1 + 3 * (LEN); /* " -x foo" */ \
2470 if (!short_option (cs->c)) \
2471 /* This switch has no single-letter version, so we use the long. */ \
2472 flagslen += 2 + strlen (cs->long_name); \
2475 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2476 if (cs
->toenv
&& (!makefile
|| !cs
->no_makefile
))
2487 if (!*(int *) cs
->value_ptr
== (cs
->type
== flag_off
)
2488 && (cs
->default_value
== 0
2489 || *(int *) cs
->value_ptr
!= *(int *) cs
->default_value
))
2496 if ((cs
->default_value
!= 0
2497 && (*(unsigned int *) cs
->value_ptr
2498 == *(unsigned int *) cs
->default_value
)))
2500 else if (cs
->noarg_value
!= 0
2501 && (*(unsigned int *) cs
->value_ptr
==
2502 *(unsigned int *) cs
->noarg_value
))
2503 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2504 else if (cs
->c
== 'j')
2505 /* Special case for `-j'. */
2509 char *buf
= (char *) alloca (30);
2510 sprintf (buf
, "%u", *(unsigned int *) cs
->value_ptr
);
2511 ADD_FLAG (buf
, strlen (buf
));
2520 if (cs
->default_value
!= 0
2521 && (*(double *) cs
->value_ptr
2522 == *(double *) cs
->default_value
))
2524 else if (cs
->noarg_value
!= 0
2525 && (*(double *) cs
->value_ptr
2526 == *(double *) cs
->noarg_value
))
2527 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2530 char *buf
= (char *) alloca (100);
2531 sprintf (buf
, "%g", *(double *) cs
->value_ptr
);
2532 ADD_FLAG (buf
, strlen (buf
));
2541 struct stringlist
*sl
= *(struct stringlist
**) cs
->value_ptr
;
2544 /* Add the elements in reverse order, because
2545 all the flags get reversed below; and the order
2546 matters for some switches (like -I). */
2547 register unsigned int i
= sl
->idx
;
2549 ADD_FLAG (sl
->list
[i
], strlen (sl
->list
[i
]));
2555 flagslen
+= 4 + sizeof posixref
; /* Four more for the possible " -- ". */
2559 /* Construct the value in FLAGSTRING.
2560 We allocate enough space for a preceding dash and trailing null. */
2561 flagstring
= (char *) alloca (1 + flagslen
+ 1);
2562 bzero (flagstring
, 1 + flagslen
+ 1);
2568 /* Add the flag letter or name to the string. */
2569 if (short_option (flags
->cs
->c
))
2570 *p
++ = flags
->cs
->c
;
2579 strcpy (p
, flags
->cs
->long_name
);
2582 if (flags
->arg
!= 0)
2584 /* A flag that takes an optional argument which in this case is
2585 omitted is specified by ARG being "". We must distinguish
2586 because a following flag appended without an intervening " -"
2587 is considered the arg for the first. */
2588 if (flags
->arg
[0] != '\0')
2590 /* Add its argument too. */
2591 *p
++ = !short_option (flags
->cs
->c
) ? '=' : ' ';
2592 p
= quote_for_env (p
, flags
->arg
);
2595 /* Write a following space and dash, for the next flag. */
2599 else if (!short_option (flags
->cs
->c
))
2602 /* Long options must each go in their own word,
2603 so we write the following space and dash. */
2607 flags
= flags
->next
;
2610 /* Define MFLAGS before appending variable definitions. */
2612 if (p
== &flagstring
[1])
2614 flagstring
[0] = '\0';
2615 else if (p
[-1] == '-')
2617 /* Kill the final space and dash. */
2622 /* Terminate the string. */
2625 /* Since MFLAGS is not parsed for flags, there is no reason to
2626 override any makefile redefinition. */
2627 (void) define_variable ("MFLAGS", 6, flagstring
, o_env
, 1);
2629 if (all
&& command_variables
!= 0)
2631 /* Now write a reference to $(MAKEOVERRIDES), which contains all the
2632 command-line variable definitions. */
2634 if (p
== &flagstring
[1])
2635 /* No flags written, so elide the leading dash already written. */
2639 /* Separate the variables from the switches with a "--" arg. */
2642 /* We did not already write a trailing " -". */
2646 /* There is a trailing " -"; fill it out to " -- ". */
2651 /* Copy in the string. */
2654 bcopy (posixref
, p
, sizeof posixref
- 1);
2655 p
+= sizeof posixref
- 1;
2659 bcopy (ref
, p
, sizeof ref
- 1);
2660 p
+= sizeof ref
- 1;
2663 else if (p
== &flagstring
[1])
2668 else if (p
[-1] == '-')
2669 /* Kill the final space and dash. */
2671 /* Terminate the string. */
2674 v
= define_variable ("MAKEFLAGS", 9,
2675 /* If there are switches, omit the leading dash
2676 unless it is a single long option with two
2678 &flagstring
[(flagstring
[0] == '-'
2679 && flagstring
[1] != '-')
2681 /* This used to use o_env, but that lost when a
2682 makefile defined MAKEFLAGS. Makefiles set
2683 MAKEFLAGS to add switches, but we still want
2684 to redefine its value with the full set of
2685 switches. Of course, an override or command
2686 definition will still take precedence. */
2689 /* The first time we are called, set MAKEFLAGS to always be exported.
2690 We should not do this again on the second call, because that is
2691 after reading makefiles which might have done `unexport MAKEFLAGS'. */
2692 v
->export
= v_export
;
2695 /* Print version information. */
2700 extern char *make_host
;
2701 static int printed_version
= 0;
2703 char *precede
= print_data_base_flag
? "# " : "";
2705 if (printed_version
)
2706 /* Do it only once. */
2709 printf ("%sGNU Make version %s", precede
, version_string
);
2710 if (remote_description
!= 0 && *remote_description
!= '\0')
2711 printf ("-%s", remote_description
);
2713 printf (_(", by Richard Stallman and Roland McGrath.\n\
2715 %sCopyright (C) 2002 Free Software Foundation, Inc.\n\
2716 %sThis is free software; see the source for copying conditions.\n\
2717 %sThere is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
2718 %sPARTICULAR PURPOSE.\n\n\
2719 %sReport bugs to <bug-make@gnu.org>.\n\n"),
2721 precede
, precede
, precede
, precede
, precede
);
2723 printed_version
= 1;
2725 /* Flush stdout so the user doesn't have to wait to see the
2726 version information while things are thought about. */
2730 /* Print a bunch of information about this and that. */
2737 when
= time ((time_t *) 0);
2738 printf (_("\n# Make data base, printed on %s"), ctime (&when
));
2740 print_variable_data_base ();
2741 print_dir_data_base ();
2742 print_rule_data_base ();
2743 print_file_data_base ();
2744 print_vpath_data_base ();
2746 when
= time ((time_t *) 0);
2747 printf (_("\n# Finished Make data base on %s\n"), ctime (&when
));
2750 /* Exit with STATUS, cleaning up as necessary. */
2756 static char dying
= 0;
2764 if (print_version_flag
)
2767 /* Wait for children to die. */
2768 for (err
= (status
!= 0); job_slots_used
> 0; err
= 0)
2769 reap_children (1, err
);
2771 /* Let the remote job module clean up its state. */
2774 /* Remove the intermediate files. */
2775 remove_intermediates (0);
2777 if (print_data_base_flag
)
2780 /* Try to move back to the original directory. This is essential on
2781 MS-DOS (where there is really only one process), and on Unix it
2782 puts core files in the original directory instead of the -C
2783 directory. Must wait until after remove_intermediates(), or unlinks
2784 of relative pathnames fail. */
2785 if (directory_before_chdir
!= 0)
2786 chdir (directory_before_chdir
);
2788 log_working_directory (0);
2794 /* Write a message indicating that we've just entered or
2795 left (according to ENTERING) the current directory. */
2798 log_working_directory (entering
)
2801 static int entered
= 0;
2803 /* Print nothing without the flag. Don't print the entering message
2804 again if we already have. Don't print the leaving message if we
2805 haven't printed the entering message. */
2806 if (! print_directory_flag
|| entering
== entered
)
2811 if (print_data_base_flag
)
2812 fputs ("# ", stdout
);
2815 printf ("%s: ", program
);
2817 printf ("%s[%u]: ", program
, makelevel
);
2819 /* Use entire sentences to give the translators a fighting chance. */
2821 if (starting_directory
== 0)
2823 puts (_("Entering an unknown directory"));
2825 puts (_("Leaving an unknown directory"));
2828 printf (_("Entering directory `%s'\n"), starting_directory
);
2830 printf (_("Leaving directory `%s'\n"), starting_directory
);