1 /* Argument parsing and main program of GNU Make.
2 Copyright (C) 1988, 1989, 1990, 1991, 1994, 1995, 1996, 1997, 1998, 1999,
3 2002 Free Software Foundation, Inc.
4 This file is part of GNU Make.
6 GNU Make is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Make is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Make; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19 MA 02111-1307, USA. */
34 # include <proto/dos.h>
38 #include "pathstuff.h"
40 #if defined(MAKE_JOBSERVER) && defined(HAVE_FCNTL_H)
45 int __stack
= 20000; /* Make sure we have 20K of stack space */
48 extern void init_dir
PARAMS ((void));
49 extern void remote_setup
PARAMS ((void));
50 extern void remote_cleanup
PARAMS ((void));
51 extern RETSIGTYPE fatal_error_signal
PARAMS ((int sig
));
53 extern void print_variable_data_base
PARAMS ((void));
54 extern void print_dir_data_base
PARAMS ((void));
55 extern void print_rule_data_base
PARAMS ((void));
56 extern void print_file_data_base
PARAMS ((void));
57 extern void print_vpath_data_base
PARAMS ((void));
59 #if defined HAVE_WAITPID || defined HAVE_WAIT3
60 # define HAVE_WAIT_NOHANG
67 # ifndef sun /* Sun has an incorrect decl in a header. */
68 extern void exit
PARAMS ((int)) __attribute__ ((noreturn
));
70 extern double atof ();
73 static void print_data_base
PARAMS ((void));
74 static void print_version
PARAMS ((void));
75 static void decode_switches
PARAMS ((int argc
, char **argv
, int env
));
76 static void decode_env_switches
PARAMS ((char *envar
, unsigned int len
));
77 static void define_makeflags
PARAMS ((int all
, int makefile
));
78 static char *quote_for_env
PARAMS ((char *out
, char *in
));
79 static void initialize_global_hash_tables
PARAMS ((void));
82 /* The structure that describes an accepted command switch. */
86 int c
; /* The switch character. */
88 enum /* Type of the value. */
90 flag
, /* Turn int flag on. */
91 flag_off
, /* Turn int flag off. */
92 string
, /* One string per switch. */
93 positive_int
, /* A positive integer. */
94 floating
, /* A floating-point number (double). */
98 char *value_ptr
; /* Pointer to the value-holding variable. */
100 unsigned int env
:1; /* Can come from MAKEFLAGS. */
101 unsigned int toenv
:1; /* Should be put in MAKEFLAGS. */
102 unsigned int no_makefile
:1; /* Don't propagate when remaking makefiles. */
104 char *noarg_value
; /* Pointer to value used if no argument is given. */
105 char *default_value
;/* Pointer to default value. */
107 char *long_name
; /* Long option name. */
108 char *argdesc
; /* Descriptive word for argument. */
109 char *description
; /* Description for usage message. */
110 /* 0 means internal; don't display help. */
113 /* True if C is a switch value that corresponds to a short option. */
115 #define short_option(c) ((c) <= CHAR_MAX)
117 /* The structure used to hold the list of strings given
118 in command switches of a type that takes string arguments. */
122 char **list
; /* Nil-terminated list of strings. */
123 unsigned int idx
; /* Index into above. */
124 unsigned int max
; /* Number of pointers allocated. */
128 /* The recognized command switches. */
130 /* Nonzero means do not print commands to be executed (-s). */
134 /* Nonzero means just touch the files
135 that would appear to need remaking (-t) */
139 /* Nonzero means just print what commands would need to be executed,
140 don't actually execute them (-n). */
144 /* Print debugging info (--debug). */
146 static struct stringlist
*db_flags
;
147 static int debug_flag
= 0;
152 /* Suspend make in main for a short time to allow debugger to attach */
154 int suspend_flag
= 0;
157 /* Environment variables override makefile definitions. */
159 int env_overrides
= 0;
161 /* Nonzero means ignore status codes returned by commands
162 executed to remake files. Just treat them all as successful (-i). */
164 int ignore_errors_flag
= 0;
166 /* Nonzero means don't remake anything, just print the data base
167 that results from reading the makefile (-p). */
169 int print_data_base_flag
= 0;
171 /* Nonzero means don't remake anything; just return a nonzero status
172 if the specified targets are not up to date (-q). */
174 int question_flag
= 0;
176 /* Nonzero means do not use any of the builtin rules (-r) / variables (-R). */
178 int no_builtin_rules_flag
= 0;
179 int no_builtin_variables_flag
= 0;
181 /* Nonzero means keep going even if remaking some file fails (-k). */
184 int default_keep_going_flag
= 0;
186 /* Nonzero means print directory before starting and when done (-w). */
188 int print_directory_flag
= 0;
190 /* Nonzero means ignore print_directory_flag and never print the directory.
191 This is necessary because print_directory_flag is set implicitly. */
193 int inhibit_print_directory_flag
= 0;
195 /* Nonzero means print version information. */
197 int print_version_flag
= 0;
199 /* List of makefiles given with -f switches. */
201 static struct stringlist
*makefiles
= 0;
203 /* Number of job slots (commands that can be run at once). */
205 unsigned int job_slots
= 1;
206 unsigned int default_job_slots
= 1;
208 /* Value of job_slots that means no limit. */
210 static unsigned int inf_jobs
= 0;
212 /* File descriptors for the jobs pipe. */
214 static struct stringlist
*jobserver_fds
= 0;
216 int job_fds
[2] = { -1, -1 };
219 /* Maximum load average at which multiple jobs will be run.
220 Negative values mean unlimited, while zero means limit to
221 zero load (which could be useful to start infinite jobs remotely
222 but one at a time locally). */
224 double max_load_average
= -1.0;
225 double default_load_average
= -1.0;
227 int max_load_average
= -1;
228 int default_load_average
= -1;
231 /* List of directories given with -C switches. */
233 static struct stringlist
*directories
= 0;
235 /* List of include directories given with -I switches. */
237 static struct stringlist
*include_directories
= 0;
239 /* List of files given with -o switches. */
241 static struct stringlist
*old_files
= 0;
243 /* List of files given with -W switches. */
245 static struct stringlist
*new_files
= 0;
247 /* If nonzero, we should just print usage and exit. */
249 static int print_usage_flag
= 0;
251 /* If nonzero, we should print a warning message
252 for each reference to an undefined variable. */
254 int warn_undefined_variables_flag
;
256 /* The table of command switches. */
258 static const struct command_switch switches
[] =
260 { 'b', ignore
, 0, 0, 0, 0, 0, 0,
262 N_("Ignored for compatibility") },
263 { 'C', string
, (char *) &directories
, 0, 0, 0, 0, 0,
264 "directory", N_("DIRECTORY"),
265 N_("Change to DIRECTORY before doing anything") },
266 { 'd', flag
, (char *) &debug_flag
, 1, 1, 0, 0, 0,
268 N_("Print lots of debugging information") },
269 { CHAR_MAX
+1, string
, (char *) &db_flags
, 1, 1, 0,
271 "debug", N_("FLAGS"),
272 N_("Print various types of debugging information") },
274 { 'D', flag
, (char *) &suspend_flag
, 1, 1, 0, 0, 0,
275 "suspend-for-debug", 0,
276 N_("Suspend process to allow a debugger to attach") },
278 { 'e', flag
, (char *) &env_overrides
, 1, 1, 0, 0, 0,
279 "environment-overrides", 0,
280 N_("Environment variables override makefiles") },
281 { 'f', string
, (char *) &makefiles
, 0, 0, 0, 0, 0,
283 N_("Read FILE as a makefile") },
284 { 'h', flag
, (char *) &print_usage_flag
, 0, 0, 0, 0, 0,
286 N_("Print this message and exit") },
287 { 'i', flag
, (char *) &ignore_errors_flag
, 1, 1, 0, 0, 0,
289 N_("Ignore errors from commands") },
290 { 'I', string
, (char *) &include_directories
, 1, 1, 0, 0, 0,
291 "include-dir", N_("DIRECTORY"),
292 N_("Search DIRECTORY for included makefiles") },
294 positive_int
, (char *) &job_slots
, 1, 1, 0,
295 (char *) &inf_jobs
, (char *) &default_job_slots
,
297 N_("Allow N jobs at once; infinite jobs with no arg") },
298 { CHAR_MAX
+2, string
, (char *) &jobserver_fds
, 1, 1, 0, 0, 0,
301 { 'k', flag
, (char *) &keep_going_flag
, 1, 1, 0,
302 0, (char *) &default_keep_going_flag
,
304 N_("Keep going when some targets can't be made") },
306 { 'l', floating
, (char *) &max_load_average
, 1, 1, 0,
307 (char *) &default_load_average
, (char *) &default_load_average
,
309 N_("Don't start multiple jobs unless load is below N") },
311 { 'l', positive_int
, (char *) &max_load_average
, 1, 1, 0,
312 (char *) &default_load_average
, (char *) &default_load_average
,
314 N_("Don't start multiple jobs unless load is below N") },
316 { 'm', ignore
, 0, 0, 0, 0, 0, 0,
319 { 'n', flag
, (char *) &just_print_flag
, 1, 1, 1, 0, 0,
321 N_("Don't actually run any commands; just print them") },
322 { 'o', string
, (char *) &old_files
, 0, 0, 0, 0, 0,
323 "old-file", N_("FILE"),
324 N_("Consider FILE to be very old and don't remake it") },
325 { 'p', flag
, (char *) &print_data_base_flag
, 1, 1, 0, 0, 0,
326 "print-data-base", 0,
327 N_("Print make's internal database") },
328 { 'q', flag
, (char *) &question_flag
, 1, 1, 1, 0, 0,
330 N_("Run no commands; exit status says if up to date") },
331 { 'r', flag
, (char *) &no_builtin_rules_flag
, 1, 1, 0, 0, 0,
332 "no-builtin-rules", 0,
333 N_("Disable the built-in implicit rules") },
334 { 'R', flag
, (char *) &no_builtin_variables_flag
, 1, 1, 0, 0, 0,
335 "no-builtin-variables", 0,
336 N_("Disable the built-in variable settings") },
337 { 's', flag
, (char *) &silent_flag
, 1, 1, 0, 0, 0,
339 N_("Don't echo commands") },
340 { 'S', flag_off
, (char *) &keep_going_flag
, 1, 1, 0,
341 0, (char *) &default_keep_going_flag
,
343 N_("Turns off -k") },
344 { 't', flag
, (char *) &touch_flag
, 1, 1, 1, 0, 0,
346 N_("Touch targets instead of remaking them") },
347 { 'v', flag
, (char *) &print_version_flag
, 1, 1, 0, 0, 0,
349 N_("Print the version number of make and exit") },
350 { 'w', flag
, (char *) &print_directory_flag
, 1, 1, 0, 0, 0,
351 "print-directory", 0,
352 N_("Print the current directory") },
353 { CHAR_MAX
+3, flag
, (char *) &inhibit_print_directory_flag
, 1, 1, 0, 0, 0,
354 "no-print-directory", 0,
355 N_("Turn off -w, even if it was turned on implicitly") },
356 { 'W', string
, (char *) &new_files
, 0, 0, 0, 0, 0,
357 "what-if", N_("FILE"),
358 N_("Consider FILE to be infinitely new") },
359 { CHAR_MAX
+4, flag
, (char *) &warn_undefined_variables_flag
, 1, 1, 0, 0, 0,
360 "warn-undefined-variables", 0,
361 N_("Warn when an undefined variable is referenced") },
365 /* Secondary long names for options. */
367 static struct option long_option_aliases
[] =
369 { "quiet", no_argument
, 0, 's' },
370 { "stop", no_argument
, 0, 'S' },
371 { "new-file", required_argument
, 0, 'W' },
372 { "assume-new", required_argument
, 0, 'W' },
373 { "assume-old", required_argument
, 0, 'o' },
374 { "max-load", optional_argument
, 0, 'l' },
375 { "dry-run", no_argument
, 0, 'n' },
376 { "recon", no_argument
, 0, 'n' },
377 { "makefile", required_argument
, 0, 'f' },
380 /* The usage message prints the descriptions of options starting in
381 this column. Make sure it leaves enough room for the longest
382 description to fit in less than 80 characters. */
384 #define DESCRIPTION_COLUMN 30
386 /* List of goal targets. */
388 static struct dep
*goals
, *lastgoal
;
390 /* List of variables which were defined on the command line
391 (or, equivalently, in MAKEFLAGS). */
393 struct command_variable
395 struct command_variable
*next
;
396 struct variable
*variable
;
398 static struct command_variable
*command_variables
;
400 /* The name we were invoked with. */
404 /* Our current directory before processing any -C options. */
406 char *directory_before_chdir
;
408 /* Our current directory after processing all -C options. */
410 char *starting_directory
;
412 /* Value of the MAKELEVEL variable at startup (or 0). */
414 unsigned int makelevel
;
416 /* First file defined in the makefile whose name does not
417 start with `.'. This is the default to remake if the
418 command line does not specify. */
420 struct file
*default_goal_file
;
422 /* Pointer to structure for the file .DEFAULT
423 whose commands are used for any file that has none of its own.
424 This is zero if the makefiles do not define .DEFAULT. */
426 struct file
*default_file
;
428 /* Nonzero if we have seen the magic `.POSIX' target.
429 This turns on pedantic compliance with POSIX.2. */
433 /* Nonzero if we have seen the `.NOTPARALLEL' target.
434 This turns off parallel builds for this invocation of make. */
438 /* Nonzero if some rule detected clock skew; we keep track so (a) we only
439 print one warning about it during the run, and (b) we can print a final
440 warning at the end of the run. */
442 int clock_skew_detected
;
444 /* Mask of signals that are being caught with fatal_error_signal. */
447 sigset_t fatal_signal_set
;
449 # ifdef HAVE_SIGSETMASK
450 int fatal_signal_mask
;
454 #if !defined HAVE_BSD_SIGNAL && !defined bsd_signal
455 # if !defined HAVE_SIGACTION
456 # define bsd_signal signal
458 typedef RETSIGTYPE (*bsd_signal_ret_t
) ();
460 static bsd_signal_ret_t
461 bsd_signal (sig
, func
)
463 bsd_signal_ret_t func
;
465 struct sigaction act
, oact
;
466 act
.sa_handler
= func
;
467 act
.sa_flags
= SA_RESTART
;
468 sigemptyset (&act
.sa_mask
);
469 sigaddset (&act
.sa_mask
, sig
);
470 if (sigaction (sig
, &act
, &oact
) != 0)
472 return oact
.sa_handler
;
478 initialize_global_hash_tables ()
480 init_hash_global_variable_set ();
482 hash_init_directories ();
483 hash_init_function_table ();
487 enter_command_line_file (name
)
491 fatal (NILF
, _("empty string invalid as file name"));
495 char *expanded
= tilde_expand (name
);
497 name
= expanded
; /* Memory leak; I don't care. */
500 /* This is also done in parse_file_seq, so this is redundant
501 for names read from makefiles. It is here for names passed
502 on the command line. */
503 while (name
[0] == '.' && name
[1] == '/' && name
[2] != '\0')
507 /* Skip following slashes: ".//foo" is "foo", not "/foo". */
513 /* It was all slashes! Move back to the dot and truncate
514 it after the first slash, so it becomes just "./". */
517 while (name
[0] != '.');
521 return enter_file (xstrdup (name
));
524 /* Toggle -d on receipt of SIGUSR1. */
527 debug_signal_handler (sig
)
530 db_level
= db_level
? DB_NONE
: DB_BASIC
;
534 decode_debug_flags ()
544 for (pp
=db_flags
->list
; *pp
; ++pp
)
550 switch (tolower (p
[0]))
556 db_level
|= DB_BASIC
;
559 db_level
|= DB_BASIC
| DB_IMPLICIT
;
565 db_level
|= DB_BASIC
| DB_MAKEFILES
;
568 db_level
|= DB_BASIC
| DB_VERBOSE
;
571 fatal (NILF
, _("unknown debug level specification `%s'"), p
);
574 while (*(++p
) != '\0')
575 if (*p
== ',' || *p
== ' ')
588 * HANDLE runtime exceptions by avoiding a requestor on the GUI. Capture
589 * exception and print it to stderr instead.
591 * If ! DB_VERBOSE, just print a simple message and exit.
592 * If DB_VERBOSE, print a more verbose message.
593 * If compiled for DEBUG, let exception pass through to GUI so that
594 * debuggers can attach.
597 handle_runtime_exceptions( struct _EXCEPTION_POINTERS
*exinfo
)
599 PEXCEPTION_RECORD exrec
= exinfo
->ExceptionRecord
;
600 LPSTR cmdline
= GetCommandLine();
601 LPSTR prg
= strtok(cmdline
, " ");
605 LPTSTR lpszStrings
[1];
608 if (! ISDB (DB_VERBOSE
))
611 _("%s: Interrupt/Exception caught (code = 0x%x, addr = 0x%x)\n"),
612 prg
, exrec
->ExceptionCode
, exrec
->ExceptionAddress
);
613 fprintf(stderr
, errmsg
);
618 _("\nUnhandled exception filter called from program %s\nExceptionCode = %x\nExceptionFlags = %x\nExceptionAddress = %x\n"),
619 prg
, exrec
->ExceptionCode
, exrec
->ExceptionFlags
,
620 exrec
->ExceptionAddress
);
622 if (exrec
->ExceptionCode
== EXCEPTION_ACCESS_VIOLATION
623 && exrec
->NumberParameters
>= 2)
624 sprintf(&errmsg
[strlen(errmsg
)],
625 (exrec
->ExceptionInformation
[0]
626 ? _("Access violation: write operation at address %x\n")
627 : _("Access violation: read operation at address %x\n")),
628 exrec
->ExceptionInformation
[1]);
630 /* turn this on if we want to put stuff in the event log too */
632 hEventSource
= RegisterEventSource(NULL
, "GNU Make");
633 lpszStrings
[0] = errmsg
;
635 if (hEventSource
!= NULL
)
637 ReportEvent(hEventSource
, /* handle of event source */
638 EVENTLOG_ERROR_TYPE
, /* event type */
639 0, /* event category */
641 NULL
, /* current user's SID */
642 1, /* strings in lpszStrings */
643 0, /* no bytes of raw data */
644 lpszStrings
, /* array of error strings */
645 NULL
); /* no raw data */
647 (VOID
) DeregisterEventSource(hEventSource
);
651 /* Write the error to stderr too */
652 fprintf(stderr
, errmsg
);
655 return EXCEPTION_CONTINUE_SEARCH
;
658 return (255); /* not reached */
663 * On WIN32 systems we don't have the luxury of a /bin directory that
664 * is mapped globally to every drive mounted to the system. Since make could
665 * be invoked from any drive, and we don't want to propogate /bin/sh
666 * to every single drive. Allow ourselves a chance to search for
667 * a value for default shell here (if the default path does not exist).
671 find_and_set_default_shell(char *token
)
676 extern char *default_shell
;
679 search_token
= default_shell
;
681 search_token
= token
;
683 if (!no_default_sh_exe
&&
684 (token
== NULL
|| !strcmp(search_token
, default_shell
))) {
685 /* no new information, path already set or known */
687 } else if (file_exists_p(search_token
)) {
688 /* search token path was found */
689 sprintf(sh_path
, "%s", search_token
);
690 default_shell
= xstrdup(w32ify(sh_path
,0));
692 (_("find_and_set_shell setting default_shell = %s\n"), default_shell
));
696 struct variable
*v
= lookup_variable ("Path", 4);
699 * Search Path for shell
705 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
710 if (dir_file_exists_p(p
, search_token
)) {
711 sprintf(sh_path
, "%s/%s", p
, search_token
);
712 default_shell
= xstrdup(w32ify(sh_path
,0));
714 *ep
= PATH_SEPARATOR_CHAR
;
719 *ep
= PATH_SEPARATOR_CHAR
;
723 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
726 /* be sure to check last element of Path */
727 if (p
&& *p
&& dir_file_exists_p(p
, search_token
)) {
728 sprintf(sh_path
, "%s/%s", p
, search_token
);
729 default_shell
= xstrdup(w32ify(sh_path
,0));
735 (_("find_and_set_shell path search set default_shell = %s\n"),
741 if (!unixy_shell
&& sh_found
&&
742 (strstr(default_shell
, "sh") || strstr(default_shell
, "SH"))) {
744 batch_mode_shell
= 0;
747 #ifdef BATCH_MODE_ONLY_SHELL
748 batch_mode_shell
= 1;
753 #endif /* WINDOWS32 */
758 msdos_return_to_initial_directory ()
760 if (directory_before_chdir
)
761 chdir (directory_before_chdir
);
765 extern char *mktemp ();
766 extern int mkstemp ();
769 open_tmpfile(name
, template)
771 const char *template;
775 #if defined HAVE_MKSTEMP || defined HAVE_MKTEMP
776 # define TEMPLATE_LEN strlen (template)
778 # define TEMPLATE_LEN L_tmpnam
780 *name
= xmalloc (TEMPLATE_LEN
+ 1);
781 strcpy (*name
, template);
783 #if defined HAVE_MKSTEMP && defined HAVE_FDOPEN
784 /* It's safest to use mkstemp(), if we can. */
785 fd
= mkstemp (*name
);
788 return fdopen (fd
, "w");
791 (void) mktemp (*name
);
793 (void) tmpnam (*name
);
797 /* Can't use mkstemp(), but guard against a race condition. */
798 fd
= open (*name
, O_CREAT
|O_EXCL
|O_WRONLY
, 0600);
801 return fdopen (fd
, "w");
803 /* Not secure, but what can we do? */
804 return fopen (*name
, "w");
812 main (argc
, argv
, envp
)
817 int main (int argc
, char ** argv
)
820 static char *stdin_nm
= 0;
821 register struct file
*f
;
822 register unsigned int i
;
824 struct dep
*read_makefiles
;
825 PATH_VAR (current_directory
);
827 char *unix_path
= NULL
;
828 char *windows32_path
= NULL
;
830 SetUnhandledExceptionFilter(handle_runtime_exceptions
);
832 /* start off assuming we have no shell */
834 no_default_sh_exe
= 1;
837 default_goal_file
= 0;
840 #if defined (__MSDOS__) && !defined (_POSIX_SOURCE)
841 /* Request the most powerful version of `system', to
842 make up for the dumb default shell. */
843 __system_flags
= (__system_redirect
845 | __system_allow_multiple_cmds
846 | __system_allow_long_cmds
847 | __system_handle_null_commands
848 | __system_emulate_chdir
);
852 /* Set up gettext/internationalization support. */
853 setlocale (LC_ALL
, "");
854 bindtextdomain (PACKAGE
, LOCALEDIR
);
855 textdomain (PACKAGE
);
858 sigemptyset (&fatal_signal_set
);
859 #define ADD_SIG(sig) sigaddset (&fatal_signal_set, sig)
861 #ifdef HAVE_SIGSETMASK
862 fatal_signal_mask
= 0;
863 #define ADD_SIG(sig) fatal_signal_mask |= sigmask (sig)
869 #define FATAL_SIG(sig) \
870 if (bsd_signal (sig, fatal_error_signal) == SIG_IGN) \
871 bsd_signal (sig, SIG_IGN); \
885 /* Windows 9X delivers FP exceptions in child programs to their
886 parent! We don't want Make to die when a child divides by zero,
887 so we work around that lossage by catching SIGFPE. */
892 FATAL_SIG (SIGDANGER
);
903 /* Do not ignore the child-death signal. This must be done before
904 any children could possibly be created; otherwise, the wait
905 functions won't work on systems with the SVR4 ECHILD brain
906 damage, if our invoker is ignoring this signal. */
908 #ifdef HAVE_WAIT_NOHANG
910 (void) bsd_signal (SIGCHLD
, SIG_DFL
);
912 # if defined SIGCLD && SIGCLD != SIGCHLD
913 (void) bsd_signal (SIGCLD
, SIG_DFL
);
917 /* Make sure stdout is line-buffered. */
920 # ifdef SETVBUF_REVERSED
921 setvbuf (stdout
, _IOLBF
, xmalloc (BUFSIZ
), BUFSIZ
);
922 # else /* setvbuf not reversed. */
923 /* Some buggy systems lose if we pass 0 instead of allocating ourselves. */
924 setvbuf (stdout
, (char *) 0, _IOLBF
, BUFSIZ
);
925 # endif /* setvbuf reversed. */
926 #elif HAVE_SETLINEBUF
928 #endif /* setlinebuf missing. */
930 /* Figure out where this program lives. */
934 if (argv
[0][0] == '\0')
939 program
= strrchr (argv
[0], ']');
941 program
= strrchr (argv
[0], '/');
945 program
= strrchr (argv
[0], '\\');
948 /* Some weird environments might pass us argv[0] with
949 both kinds of slashes; we must find the rightmost. */
950 char *p
= strrchr (argv
[0], '\\');
951 if (p
&& p
> program
)
954 if (program
== 0 && argv
[0][1] == ':')
955 program
= argv
[0] + 1;
963 /* Set up to access user data (files). */
966 initialize_global_hash_tables ();
968 /* Figure out where we are. */
971 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
973 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
977 perror_with_name ("getcwd: ", "");
979 error (NILF
, "getwd: %s", current_directory
);
981 current_directory
[0] = '\0';
982 directory_before_chdir
= 0;
985 directory_before_chdir
= xstrdup (current_directory
);
987 /* Make sure we will return to the initial directory, come what may. */
988 atexit (msdos_return_to_initial_directory
);
991 /* Read in variables from the environment. It is important that this be
992 done before $(MAKE) is figured out so its definitions will not be
993 from the environment. */
996 for (i
= 0; envp
[i
] != 0; ++i
)
999 register char *ep
= envp
[i
];
1001 /* by default, everything gets defined and exported */
1007 if (!unix_path
&& strneq(envp
[i
], "PATH=", 5))
1009 else if (!windows32_path
&& !strnicmp(envp
[i
], "Path=", 5)) {
1010 do_not_define
= 1; /* it gets defined after loop exits */
1011 windows32_path
= ep
+1;
1014 /* The result of pointer arithmetic is cast to unsigned int for
1015 machines where ptrdiff_t is a different size that doesn't widen
1018 define_variable (envp
[i
], (unsigned int) (ep
- envp
[i
]),
1020 /* Force exportation of every variable culled from the environment.
1021 We used to rely on target_environment's v_default code to do this.
1022 But that does not work for the case where an environment variable
1023 is redefined in a makefile with `override'; it should then still
1024 be exported, because it was originally in the environment. */
1025 ->export
= v_export
;
1029 * Make sure that this particular spelling of 'Path' is available
1032 define_variable("Path", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1034 define_variable("Path", 4, unix_path
, o_env
, 1)->export
= v_export
;
1036 define_variable("Path", 4, "", o_env
, 1)->export
= v_export
;
1039 * PATH defaults to Path iff PATH not found and Path is found.
1041 if (!unix_path
&& windows32_path
)
1042 define_variable("PATH", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1044 #else /* For Amiga, read the ENV: device, ignoring all dirs */
1046 BPTR env
, file
, old
;
1049 __aligned
struct FileInfoBlock fib
;
1051 env
= Lock ("ENV:", ACCESS_READ
);
1054 old
= CurrentDir (DupLock(env
));
1055 Examine (env
, &fib
);
1057 while (ExNext (env
, &fib
))
1059 if (fib
.fib_DirEntryType
< 0) /* File */
1061 /* Define an empty variable. It will be filled in
1062 variable_lookup(). Makes startup quite a bit
1064 define_variable (fib
.fib_FileName
,
1065 strlen (fib
.fib_FileName
),
1066 "", o_env
, 1)->export
= v_export
;
1070 UnLock(CurrentDir(old
));
1075 /* Decode the switches. */
1077 decode_env_switches ("MAKEFLAGS", 9);
1079 /* People write things like:
1080 MFLAGS="CC=gcc -pipe" "CFLAGS=-g"
1081 and we set the -p, -i and -e switches. Doesn't seem quite right. */
1082 decode_env_switches ("MFLAGS", 6);
1084 decode_switches (argc
, argv
, 0);
1087 fprintf(stderr
, "%s (pid = %d)\n", argv
[0], GetCurrentProcessId());
1088 fprintf(stderr
, _("%s is suspending for 30 seconds..."), argv
[0]);
1090 fprintf(stderr
, _("done sleep(30). Continuing.\n"));
1094 decode_debug_flags ();
1096 /* Print version information. */
1098 if (print_version_flag
|| print_data_base_flag
|| db_level
)
1101 /* `make --version' is supposed to just print the version and exit. */
1102 if (print_version_flag
)
1106 /* Set the "MAKE_COMMAND" variable to the name we were invoked with.
1107 (If it is a relative pathname with a slash, prepend our directory name
1108 so the result will run the same program regardless of the current dir.
1109 If it is a name with no slash, we can only hope that PATH did not
1110 find it in the current directory.) */
1113 * Convert from backslashes to forward slashes for
1114 * programs like sh which don't like them. Shouldn't
1115 * matter if the path is one way or the other for
1118 if (strpbrk(argv
[0], "/:\\") ||
1119 strstr(argv
[0], "..") ||
1120 strneq(argv
[0], "//", 2))
1121 argv
[0] = xstrdup(w32ify(argv
[0],1));
1122 #else /* WINDOWS32 */
1124 if (strchr (argv
[0], '\\'))
1128 argv
[0] = xstrdup (argv
[0]);
1129 for (p
= argv
[0]; *p
; p
++)
1133 /* If argv[0] is not in absolute form, prepend the current
1134 directory. This can happen when Make is invoked by another DJGPP
1135 program that uses a non-absolute name. */
1136 if (current_directory
[0] != '\0'
1138 && (argv
[0][0] != '/' && (argv
[0][0] == '\0' || argv
[0][1] != ':')))
1139 argv
[0] = concat (current_directory
, "/", argv
[0]);
1140 #else /* !__MSDOS__ */
1141 if (current_directory
[0] != '\0'
1142 && argv
[0] != 0 && argv
[0][0] != '/' && strchr (argv
[0], '/') != 0)
1143 argv
[0] = concat (current_directory
, "/", argv
[0]);
1144 #endif /* !__MSDOS__ */
1145 #endif /* WINDOWS32 */
1148 /* The extra indirection through $(MAKE_COMMAND) is done
1149 for hysterical raisins. */
1150 (void) define_variable ("MAKE_COMMAND", 12, argv
[0], o_default
, 0);
1151 (void) define_variable ("MAKE", 4, "$(MAKE_COMMAND)", o_default
, 1);
1153 if (command_variables
!= 0)
1155 struct command_variable
*cv
;
1157 unsigned int len
= 0;
1160 /* Figure out how much space will be taken up by the command-line
1161 variable definitions. */
1162 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1165 len
+= 2 * strlen (v
->name
);
1169 len
+= 2 * strlen (v
->value
);
1173 /* Now allocate a buffer big enough and fill it. */
1174 p
= value
= (char *) alloca (len
);
1175 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1178 p
= quote_for_env (p
, v
->name
);
1182 p
= quote_for_env (p
, v
->value
);
1185 p
[-1] = '\0'; /* Kill the final space and terminate. */
1187 /* Define an unchangeable variable with a name that no POSIX.2
1188 makefile could validly use for its own variable. */
1189 (void) define_variable ("-*-command-variables-*-", 23,
1190 value
, o_automatic
, 0);
1192 /* Define the variable; this will not override any user definition.
1193 Normally a reference to this variable is written into the value of
1194 MAKEFLAGS, allowing the user to override this value to affect the
1195 exported value of MAKEFLAGS. In POSIX-pedantic mode, we cannot
1196 allow the user's setting of MAKEOVERRIDES to affect MAKEFLAGS, so
1197 a reference to this hidden variable is written instead. */
1198 (void) define_variable ("MAKEOVERRIDES", 13,
1199 "${-*-command-variables-*-}", o_env
, 1);
1202 /* If there were -C flags, move ourselves about. */
1203 if (directories
!= 0)
1204 for (i
= 0; directories
->list
[i
] != 0; ++i
)
1206 char *dir
= directories
->list
[i
];
1209 char *expanded
= tilde_expand (dir
);
1213 if (chdir (dir
) < 0)
1214 pfatal_with_name (dir
);
1215 if (dir
!= directories
->list
[i
])
1221 * THIS BLOCK OF CODE MUST COME AFTER chdir() CALL ABOVE IN ORDER
1222 * TO NOT CONFUSE THE DEPENDENCY CHECKING CODE IN implicit.c.
1224 * The functions in dir.c can incorrectly cache information for "."
1225 * before we have changed directory and this can cause file
1226 * lookups to fail because the current directory (.) was pointing
1227 * at the wrong place when it was first evaluated.
1229 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1231 #endif /* WINDOWS32 */
1232 /* Figure out the level of recursion. */
1234 struct variable
*v
= lookup_variable (MAKELEVEL_NAME
, MAKELEVEL_LENGTH
);
1235 if (v
!= 0 && v
->value
[0] != '\0' && v
->value
[0] != '-')
1236 makelevel
= (unsigned int) atoi (v
->value
);
1241 /* Except under -s, always do -w in sub-makes and under -C. */
1242 if (!silent_flag
&& (directories
!= 0 || makelevel
> 0))
1243 print_directory_flag
= 1;
1245 /* Let the user disable that with --no-print-directory. */
1246 if (inhibit_print_directory_flag
)
1247 print_directory_flag
= 0;
1249 /* If -R was given, set -r too (doesn't make sense otherwise!) */
1250 if (no_builtin_variables_flag
)
1251 no_builtin_rules_flag
= 1;
1253 /* Construct the list of include directories to search. */
1255 construct_include_path (include_directories
== 0 ? (char **) 0
1256 : include_directories
->list
);
1258 /* Figure out where we are now, after chdir'ing. */
1259 if (directories
== 0)
1260 /* We didn't move, so we're still in the same place. */
1261 starting_directory
= current_directory
;
1265 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
1267 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
1271 perror_with_name ("getcwd: ", "");
1273 error (NILF
, "getwd: %s", current_directory
);
1275 starting_directory
= 0;
1278 starting_directory
= current_directory
;
1281 (void) define_variable ("CURDIR", 6, current_directory
, o_default
, 0);
1283 /* Read any stdin makefiles into temporary files. */
1287 register unsigned int i
;
1288 for (i
= 0; i
< makefiles
->idx
; ++i
)
1289 if (makefiles
->list
[i
][0] == '-' && makefiles
->list
[i
][1] == '\0')
1291 /* This makefile is standard input. Since we may re-exec
1292 and thus re-read the makefiles, we read standard input
1293 into a temporary file and read from that. */
1295 char *template, *tmpdir
;
1298 fatal (NILF
, _("Makefile from standard input specified twice."));
1301 # define DEFAULT_TMPDIR "sys$scratch:"
1304 # define DEFAULT_TMPDIR P_tmpdir
1306 # define DEFAULT_TMPDIR "/tmp"
1309 #define DEFAULT_TMPFILE "GmXXXXXX"
1311 if (((tmpdir
= getenv ("TMPDIR")) == NULL
|| *tmpdir
== '\0')
1312 #if defined __MSDOS__ || defined(WINDOWS32)
1313 /* These are also used commonly on these platforms. */
1314 && ((tmpdir
= getenv ("TEMP")) == NULL
|| *tmpdir
== '\0')
1315 && ((tmpdir
= getenv ("TMP")) == NULL
|| *tmpdir
== '\0')
1318 tmpdir
= DEFAULT_TMPDIR
;
1320 template = (char *) alloca (strlen (tmpdir
)
1321 + sizeof (DEFAULT_TMPFILE
) + 1);
1322 strcpy (template, tmpdir
);
1324 #if defined __MSDOS__ || defined(WINDOWS32)
1325 if (strchr ("/\\", template[strlen (template) - 1]) == NULL
)
1326 strcat (template, "/");
1329 if (template[strlen (template) - 1] != '/')
1330 strcat (template, "/");
1332 #endif /* __MSDOS__ || WINDOWS32 */
1334 strcat (template, DEFAULT_TMPFILE
);
1335 outfile
= open_tmpfile (&stdin_nm
, template);
1337 pfatal_with_name (_("fopen (temporary file)"));
1338 while (!feof (stdin
))
1341 unsigned int n
= fread (buf
, 1, sizeof (buf
), stdin
);
1342 if (n
> 0 && fwrite (buf
, 1, n
, outfile
) != n
)
1343 pfatal_with_name (_("fwrite (temporary file)"));
1345 (void) fclose (outfile
);
1347 /* Replace the name that read_all_makefiles will
1348 see with the name of the temporary file. */
1349 makefiles
->list
[i
] = xstrdup (stdin_nm
);
1351 /* Make sure the temporary file will not be remade. */
1352 f
= enter_file (stdin_nm
);
1354 f
->update_status
= 0;
1355 f
->command_state
= cs_finished
;
1356 /* Can't be intermediate, or it'll be removed too early for
1358 f
->intermediate
= 0;
1363 #if defined(MAKE_JOBSERVER) || !defined(HAVE_WAIT_NOHANG)
1364 /* Set up to handle children dying. This must be done before
1365 reading in the makefiles so that `shell' function calls will work.
1367 If we don't have a hanging wait we have to fall back to old, broken
1368 functionality here and rely on the signal handler and counting
1371 If we're using the jobs pipe we need a signal handler so that
1372 SIGCHLD is not ignored; we need it to interrupt the read(2) of the
1373 jobserver pipe in job.c if we're waiting for a token.
1375 If none of these are true, we don't need a signal handler at all. */
1377 extern RETSIGTYPE child_handler
PARAMS ((int sig
));
1378 # if defined SIGCHLD
1379 bsd_signal (SIGCHLD
, child_handler
);
1381 # if defined SIGCLD && SIGCLD != SIGCHLD
1382 bsd_signal (SIGCLD
, child_handler
);
1387 /* Let the user send us SIGUSR1 to toggle the -d flag during the run. */
1389 bsd_signal (SIGUSR1
, debug_signal_handler
);
1392 /* Define the initial list of suffixes for old-style rules. */
1394 set_default_suffixes ();
1396 /* Define the file rules for the built-in suffix rules. These will later
1397 be converted into pattern rules. We used to do this in
1398 install_default_implicit_rules, but since that happens after reading
1399 makefiles, it results in the built-in pattern rules taking precedence
1400 over makefile-specified suffix rules, which is wrong. */
1402 install_default_suffix_rules ();
1404 /* Define some internal and special variables. */
1406 define_automatic_variables ();
1408 /* Set up the MAKEFLAGS and MFLAGS variables
1409 so makefiles can look at them. */
1411 define_makeflags (0, 0);
1413 /* Define the default variables. */
1414 define_default_variables ();
1416 /* Read all the makefiles. */
1418 default_file
= enter_file (".DEFAULT");
1421 = read_all_makefiles (makefiles
== 0 ? (char **) 0 : makefiles
->list
);
1424 /* look one last time after reading all Makefiles */
1425 if (no_default_sh_exe
)
1426 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1428 if (no_default_sh_exe
&& job_slots
!= 1) {
1429 error (NILF
, _("Do not specify -j or --jobs if sh.exe is not available."));
1430 error (NILF
, _("Resetting make for single job mode."));
1433 #endif /* WINDOWS32 */
1436 /* We need to know what kind of shell we will be using. */
1438 extern int _is_unixy_shell (const char *_path
);
1439 struct variable
*shv
= lookup_variable ("SHELL", 5);
1440 extern int unixy_shell
;
1441 extern char *default_shell
;
1443 if (shv
&& *shv
->value
)
1445 char *shell_path
= recursively_expand(shv
);
1447 if (shell_path
&& _is_unixy_shell (shell_path
))
1452 default_shell
= shell_path
;
1455 #endif /* __MSDOS__ */
1457 /* Decode switches again, in case the variables were set by the makefile. */
1458 decode_env_switches ("MAKEFLAGS", 9);
1460 decode_env_switches ("MFLAGS", 6);
1467 _("Parallel jobs (-j) are not supported on this platform."));
1468 error (NILF
, _("Resetting to single job (-j1) mode."));
1473 #ifdef MAKE_JOBSERVER
1474 /* If the jobserver-fds option is seen, make sure that -j is reasonable. */
1480 for (i
=1; i
< jobserver_fds
->idx
; ++i
)
1481 if (!streq (jobserver_fds
->list
[0], jobserver_fds
->list
[i
]))
1482 fatal (NILF
, _("internal error: multiple --jobserver-fds options"));
1484 /* Now parse the fds string and make sure it has the proper format. */
1486 cp
= jobserver_fds
->list
[0];
1488 if (sscanf (cp
, "%d,%d", &job_fds
[0], &job_fds
[1]) != 2)
1490 _("internal error: invalid --jobserver-fds string `%s'"), cp
);
1492 /* The combination of a pipe + !job_slots means we're using the
1493 jobserver. If !job_slots and we don't have a pipe, we can start
1494 infinite jobs. If we see both a pipe and job_slots >0 that means the
1495 user set -j explicitly. This is broken; in this case obey the user
1496 (ignore the jobserver pipe for this make) but print a message. */
1500 _("warning: -jN forced in submake: disabling jobserver mode."));
1502 /* Create a duplicate pipe, that will be closed in the SIGCHLD
1503 handler. If this fails with EBADF, the parent has closed the pipe
1504 on us because it didn't think we were a submake. If so, print a
1505 warning then default to -j1. */
1507 else if ((job_rfd
= dup (job_fds
[0])) < 0)
1510 pfatal_with_name (_("dup jobserver"));
1513 _("warning: jobserver unavailable: using -j1. Add `+' to parent make rule."));
1521 job_fds
[0] = job_fds
[1] = -1;
1522 free (jobserver_fds
->list
);
1523 free (jobserver_fds
);
1528 /* If we have >1 slot but no jobserver-fds, then we're a top-level make.
1529 Set up the pipe and install the fds option for our children. */
1535 if (pipe (job_fds
) < 0 || (job_rfd
= dup (job_fds
[0])) < 0)
1536 pfatal_with_name (_("creating jobs pipe"));
1538 /* Every make assumes that it always has one job it can run. For the
1539 submakes it's the token they were given by their parent. For the
1540 top make, we just subtract one from the number the user wants. We
1541 want job_slots to be 0 to indicate we're using the jobserver. */
1544 if (write (job_fds
[1], &c
, 1) != 1)
1545 pfatal_with_name (_("init jobserver pipe"));
1547 /* Fill in the jobserver_fds struct for our children. */
1549 jobserver_fds
= (struct stringlist
*)
1550 xmalloc (sizeof (struct stringlist
));
1551 jobserver_fds
->list
= (char **) xmalloc (sizeof (char *));
1552 jobserver_fds
->list
[0] = xmalloc ((sizeof ("1024")*2)+1);
1554 sprintf (jobserver_fds
->list
[0], "%d,%d", job_fds
[0], job_fds
[1]);
1555 jobserver_fds
->idx
= 1;
1556 jobserver_fds
->max
= 1;
1560 /* Set up MAKEFLAGS and MFLAGS again, so they will be right. */
1562 define_makeflags (1, 0);
1564 /* Make each `struct dep' point at the `struct file' for the file
1565 depended on. Also do magic for special targets. */
1569 /* Convert old-style suffix rules to pattern rules. It is important to
1570 do this before installing the built-in pattern rules below, so that
1571 makefile-specified suffix rules take precedence over built-in pattern
1574 convert_to_pattern ();
1576 /* Install the default implicit pattern rules.
1577 This used to be done before reading the makefiles.
1578 But in that case, built-in pattern rules were in the chain
1579 before user-defined ones, so they matched first. */
1581 install_default_implicit_rules ();
1583 /* Compute implicit rule limits. */
1585 count_implicit_rule_limits ();
1587 /* Construct the listings of directories in VPATH lists. */
1589 build_vpath_lists ();
1591 /* Mark files given with -o flags as very old
1592 and as having been updated already, and files given with -W flags as
1593 brand new (time-stamp as far as possible into the future). */
1596 for (p
= old_files
->list
; *p
!= 0; ++p
)
1598 f
= enter_command_line_file (*p
);
1599 f
->last_mtime
= f
->mtime_before_update
= OLD_MTIME
;
1601 f
->update_status
= 0;
1602 f
->command_state
= cs_finished
;
1607 for (p
= new_files
->list
; *p
!= 0; ++p
)
1609 f
= enter_command_line_file (*p
);
1610 f
->last_mtime
= f
->mtime_before_update
= NEW_MTIME
;
1614 /* Initialize the remote job module. */
1617 if (read_makefiles
!= 0)
1619 /* Update any makefiles if necessary. */
1621 FILE_TIMESTAMP
*makefile_mtimes
= 0;
1622 unsigned int mm_idx
= 0;
1623 char **nargv
= argv
;
1625 int orig_db_level
= db_level
;
1627 if (! ISDB (DB_MAKEFILES
))
1630 DB (DB_BASIC
, (_("Updating makefiles....\n")));
1632 /* Remove any makefiles we don't want to try to update.
1633 Also record the current modtimes so we can compare them later. */
1635 register struct dep
*d
, *last
;
1640 register struct file
*f
= d
->file
;
1641 if (f
->double_colon
)
1642 for (f
= f
->double_colon
; f
!= NULL
; f
= f
->prev
)
1644 if (f
->deps
== 0 && f
->cmds
!= 0)
1646 /* This makefile is a :: target with commands, but
1647 no dependencies. So, it will always be remade.
1648 This might well cause an infinite loop, so don't
1649 try to remake it. (This will only happen if
1650 your makefiles are written exceptionally
1651 stupidly; but if you work for Athena, that's how
1652 you write your makefiles.) */
1655 (_("Makefile `%s' might loop; not remaking it.\n"),
1659 read_makefiles
= d
->next
;
1661 last
->next
= d
->next
;
1663 /* Free the storage. */
1666 d
= last
== 0 ? read_makefiles
: last
->next
;
1671 if (f
== NULL
|| !f
->double_colon
)
1673 makefile_mtimes
= (FILE_TIMESTAMP
*)
1674 xrealloc ((char *) makefile_mtimes
,
1675 (mm_idx
+ 1) * sizeof (FILE_TIMESTAMP
));
1676 makefile_mtimes
[mm_idx
++] = file_mtime_no_search (d
->file
);
1683 /* Set up `MAKEFLAGS' specially while remaking makefiles. */
1684 define_makeflags (1, 1);
1686 switch (update_goal_chain (read_makefiles
, 1))
1689 /* The only way this can happen is if the user specified -q and asked
1690 * for one of the makefiles to be remade as a target on the command
1691 * line. Since we're not actually updating anything with -q we can
1692 * treat this as "did nothing".
1700 /* Failed to update. Figure out if we care. */
1702 /* Nonzero if any makefile was successfully remade. */
1704 /* Nonzero if any makefile we care about failed
1705 in updating or could not be found at all. */
1707 register unsigned int i
;
1710 for (i
= 0, d
= read_makefiles
; d
!= 0; ++i
, d
= d
->next
)
1712 /* Reset the considered flag; we may need to look at the file
1713 again to print an error. */
1714 d
->file
->considered
= 0;
1716 if (d
->file
->updated
)
1718 /* This makefile was updated. */
1719 if (d
->file
->update_status
== 0)
1721 /* It was successfully updated. */
1722 any_remade
|= (file_mtime_no_search (d
->file
)
1723 != makefile_mtimes
[i
]);
1725 else if (! (d
->changed
& RM_DONTCARE
))
1727 FILE_TIMESTAMP mtime
;
1728 /* The update failed and this makefile was not
1729 from the MAKEFILES variable, so we care. */
1730 error (NILF
, _("Failed to remake makefile `%s'."),
1732 mtime
= file_mtime_no_search (d
->file
);
1733 any_remade
|= (mtime
!= NONEXISTENT_MTIME
1734 && mtime
!= makefile_mtimes
[i
]);
1738 /* This makefile was not found at all. */
1739 if (! (d
->changed
& RM_DONTCARE
))
1741 /* This is a makefile we care about. See how much. */
1742 if (d
->changed
& RM_INCLUDED
)
1743 /* An included makefile. We don't need
1744 to die, but we do want to complain. */
1746 _("Included makefile `%s' was not found."),
1750 /* A normal makefile. We must die later. */
1751 error (NILF
, _("Makefile `%s' was not found"),
1757 /* Reset this to empty so we get the right error message below. */
1769 /* Updated successfully. Re-exec ourselves. */
1771 remove_intermediates (0);
1773 if (print_data_base_flag
)
1776 log_working_directory (0);
1780 /* These names might have changed. */
1781 register unsigned int i
, j
= 0;
1782 for (i
= 1; i
< argc
; ++i
)
1783 if (strneq (argv
[i
], "-f", 2)) /* XXX */
1785 char *p
= &argv
[i
][2];
1787 argv
[++i
] = makefiles
->list
[j
];
1789 argv
[i
] = concat ("-f", makefiles
->list
[j
], "");
1794 /* Add -o option for the stdin temporary file, if necessary. */
1797 nargv
= (char **) xmalloc ((nargc
+ 2) * sizeof (char *));
1798 bcopy ((char *) argv
, (char *) nargv
, argc
* sizeof (char *));
1799 nargv
[nargc
++] = concat ("-o", stdin_nm
, "");
1803 if (directories
!= 0 && directories
->idx
> 0)
1806 if (directory_before_chdir
!= 0)
1808 if (chdir (directory_before_chdir
) < 0)
1810 perror_with_name ("chdir", "");
1819 fatal (NILF
, _("Couldn't change back to original directory."));
1823 for (p
= environ
; *p
!= 0; ++p
)
1824 if ((*p
)[MAKELEVEL_LENGTH
] == '='
1825 && strneq (*p
, MAKELEVEL_NAME
, MAKELEVEL_LENGTH
))
1827 /* The SGI compiler apparently can't understand
1828 the concept of storing the result of a function
1829 in something other than a local variable. */
1831 sgi_loses
= (char *) alloca (40);
1833 sprintf (*p
, "%s=%u", MAKELEVEL_NAME
, makelevel
);
1841 len
= GetVar (MAKELEVEL_NAME
, buffer
, sizeof (buffer
), GVF_GLOBAL_ONLY
);
1845 sprintf (buffer
, "%u", makelevel
);
1846 SetVar (MAKELEVEL_NAME
, buffer
, -1, GVF_GLOBAL_ONLY
);
1851 if (ISDB (DB_BASIC
))
1854 fputs (_("Re-executing:"), stdout
);
1855 for (p
= nargv
; *p
!= 0; ++p
)
1863 /* Close the dup'd jobserver pipe if we opened one. */
1868 exec_command (nargv
, environ
);
1870 exec_command (nargv
);
1876 #define BOGUS_UPDATE_STATUS 0
1877 assert (BOGUS_UPDATE_STATUS
);
1881 db_level
= orig_db_level
;
1884 /* Set up `MAKEFLAGS' again for the normal targets. */
1885 define_makeflags (1, 0);
1887 /* If there is a temp file from reading a makefile from stdin, get rid of
1889 if (stdin_nm
&& unlink (stdin_nm
) < 0 && errno
!= ENOENT
)
1890 perror_with_name (_("unlink (temporary file): "), stdin_nm
);
1895 /* If there were no command-line goals, use the default. */
1898 if (default_goal_file
!= 0)
1900 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
1903 goals
->ignore_mtime
= 0;
1904 goals
->file
= default_goal_file
;
1912 if (read_makefiles
== 0)
1913 fatal (NILF
, _("No targets specified and no makefile found"));
1915 fatal (NILF
, _("No targets"));
1918 /* Update the goals. */
1920 DB (DB_BASIC
, (_("Updating goal targets....\n")));
1922 switch (update_goal_chain (goals
, 0))
1925 /* Nothing happened. */
1927 /* Updated successfully. */
1928 status
= MAKE_SUCCESS
;
1931 /* We are under -q and would run some commands. */
1932 status
= MAKE_TROUBLE
;
1935 /* Updating failed. POSIX.2 specifies exit status >1 for this;
1936 but in VMS, there is only success and failure. */
1937 status
= MAKE_FAILURE
;
1943 /* If we detected some clock skew, generate one last warning */
1944 if (clock_skew_detected
)
1946 _("warning: Clock skew detected. Your build may be incomplete."));
1955 /* Parsing of arguments, decoding of switches. */
1957 static char options
[1 + sizeof (switches
) / sizeof (switches
[0]) * 3];
1958 static struct option long_options
[(sizeof (switches
) / sizeof (switches
[0])) +
1959 (sizeof (long_option_aliases
) /
1960 sizeof (long_option_aliases
[0]))];
1962 /* Fill in the string and vector for getopt. */
1968 register unsigned int i
;
1970 if (options
[0] != '\0')
1976 /* Return switch and non-switch args in order, regardless of
1977 POSIXLY_CORRECT. Non-switch args are returned as option 1. */
1980 for (i
= 0; switches
[i
].c
!= '\0'; ++i
)
1982 long_options
[i
].name
= (switches
[i
].long_name
== 0 ? "" :
1983 switches
[i
].long_name
);
1984 long_options
[i
].flag
= 0;
1985 long_options
[i
].val
= switches
[i
].c
;
1986 if (short_option (switches
[i
].c
))
1987 *p
++ = switches
[i
].c
;
1988 switch (switches
[i
].type
)
1993 long_options
[i
].has_arg
= no_argument
;
1999 if (short_option (switches
[i
].c
))
2001 if (switches
[i
].noarg_value
!= 0)
2003 if (short_option (switches
[i
].c
))
2005 long_options
[i
].has_arg
= optional_argument
;
2008 long_options
[i
].has_arg
= required_argument
;
2013 for (c
= 0; c
< (sizeof (long_option_aliases
) /
2014 sizeof (long_option_aliases
[0]));
2016 long_options
[i
++] = long_option_aliases
[c
];
2017 long_options
[i
].name
= 0;
2021 handle_non_switch_argument (arg
, env
)
2025 /* Non-option argument. It might be a variable definition. */
2027 if (arg
[0] == '-' && arg
[1] == '\0')
2028 /* Ignore plain `-' for compatibility. */
2030 v
= try_variable_definition (0, arg
, o_command
, 0);
2033 /* It is indeed a variable definition. Record a pointer to
2034 the variable for later use in define_makeflags. */
2035 struct command_variable
*cv
2036 = (struct command_variable
*) xmalloc (sizeof (*cv
));
2038 cv
->next
= command_variables
;
2039 command_variables
= cv
;
2043 /* Not an option or variable definition; it must be a goal
2044 target! Enter it as a file and add it to the dep chain of
2046 struct file
*f
= enter_command_line_file (arg
);
2051 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
2056 lastgoal
->next
= (struct dep
*) xmalloc (sizeof (struct dep
));
2057 lastgoal
= lastgoal
->next
;
2061 lastgoal
->ignore_mtime
= 0;
2064 /* Add this target name to the MAKECMDGOALS variable. */
2068 v
= lookup_variable ("MAKECMDGOALS", 12);
2073 /* Paste the old and new values together */
2074 unsigned int oldlen
, newlen
;
2076 oldlen
= strlen (v
->value
);
2077 newlen
= strlen (f
->name
);
2078 value
= (char *) alloca (oldlen
+ 1 + newlen
+ 1);
2079 bcopy (v
->value
, value
, oldlen
);
2080 value
[oldlen
] = ' ';
2081 bcopy (f
->name
, &value
[oldlen
+ 1], newlen
+ 1);
2083 define_variable ("MAKECMDGOALS", 12, value
, o_default
, 0);
2088 /* Print a nice usage method. */
2094 extern char *make_host
;
2095 register const struct command_switch
*cs
;
2098 if (print_version_flag
)
2101 usageto
= bad
? stderr
: stdout
;
2103 fprintf (usageto
, _("Usage: %s [options] [target] ...\n"), program
);
2105 fputs (_("Options:\n"), usageto
);
2106 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2108 char buf
[1024], shortarg
[50], longarg
[50], *p
;
2110 if (!cs
->description
|| cs
->description
[0] == '-')
2113 switch (long_options
[cs
- switches
].has_arg
)
2116 shortarg
[0] = longarg
[0] = '\0';
2118 case required_argument
:
2119 sprintf (longarg
, "=%s", gettext (cs
->argdesc
));
2120 sprintf (shortarg
, " %s", gettext (cs
->argdesc
));
2122 case optional_argument
:
2123 sprintf (longarg
, "[=%s]", gettext (cs
->argdesc
));
2124 sprintf (shortarg
, " [%s]", gettext (cs
->argdesc
));
2130 if (short_option (cs
->c
))
2132 sprintf (buf
, " -%c%s", cs
->c
, shortarg
);
2135 if (cs
->long_name
!= 0)
2138 sprintf (p
, "%s--%s%s",
2139 !short_option (cs
->c
) ? " " : ", ",
2140 cs
->long_name
, longarg
);
2142 for (i
= 0; i
< (sizeof (long_option_aliases
) /
2143 sizeof (long_option_aliases
[0]));
2145 if (long_option_aliases
[i
].val
== cs
->c
)
2147 sprintf (p
, ", --%s%s",
2148 long_option_aliases
[i
].name
, longarg
);
2153 const struct command_switch
*ncs
= cs
;
2154 while ((++ncs
)->c
!= '\0')
2155 if (ncs
->description
2156 && ncs
->description
[0] == '-'
2157 && ncs
->description
[1] == cs
->c
)
2159 /* This is another switch that does the same
2160 one as the one we are processing. We want
2161 to list them all together on one line. */
2162 sprintf (p
, ", -%c%s", ncs
->c
, shortarg
);
2164 if (ncs
->long_name
!= 0)
2166 sprintf (p
, ", --%s%s", ncs
->long_name
, longarg
);
2172 if (p
- buf
> DESCRIPTION_COLUMN
- 2)
2173 /* The list of option names is too long to fit on the same
2174 line with the description, leaving at least two spaces.
2175 Print it on its own line instead. */
2177 fprintf (usageto
, "%s\n", buf
);
2181 fprintf (usageto
, "%*s%s.\n",
2182 - DESCRIPTION_COLUMN
,
2183 buf
, gettext (cs
->description
));
2186 if (!remote_description
|| *remote_description
== '\0')
2187 fprintf (usageto
, _("\nThis program built for %s"), make_host
);
2189 fprintf (usageto
, "\nThis program built for %s (%s)", make_host
, remote_description
);
2191 fprintf (usageto
, _("\nReport bugs to <bug-make@gnu.org>\n"));
2194 /* Decode switches from ARGC and ARGV.
2195 They came from the environment if ENV is nonzero. */
2198 decode_switches (argc
, argv
, env
)
2204 register const struct command_switch
*cs
;
2205 register struct stringlist
*sl
;
2208 /* getopt does most of the parsing for us.
2209 First, get its vectors set up. */
2213 /* Let getopt produce error messages for the command line,
2214 but not for options from the environment. */
2216 /* Reset getopt's state. */
2219 while (optind
< argc
)
2221 /* Parse the next argument. */
2222 c
= getopt_long (argc
, argv
, options
, long_options
, (int *) 0);
2224 /* End of arguments, or "--" marker seen. */
2227 /* An argument not starting with a dash. */
2228 handle_non_switch_argument (optarg
, env
);
2230 /* Bad option. We will print a usage message and die later.
2231 But continue to parse the other options so the user can
2232 see all he did wrong. */
2235 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2238 /* Whether or not we will actually do anything with
2239 this switch. We test this individually inside the
2240 switch below rather than just once outside it, so that
2241 options which are to be ignored still consume args. */
2242 int doit
= !env
|| cs
->env
;
2255 *(int *) cs
->value_ptr
= cs
->type
== flag
;
2263 optarg
= cs
->noarg_value
;
2265 sl
= *(struct stringlist
**) cs
->value_ptr
;
2268 sl
= (struct stringlist
*)
2269 xmalloc (sizeof (struct stringlist
));
2272 sl
->list
= (char **) xmalloc (5 * sizeof (char *));
2273 *(struct stringlist
**) cs
->value_ptr
= sl
;
2275 else if (sl
->idx
== sl
->max
- 1)
2278 sl
->list
= (char **)
2279 xrealloc ((char *) sl
->list
,
2280 sl
->max
* sizeof (char *));
2282 sl
->list
[sl
->idx
++] = optarg
;
2283 sl
->list
[sl
->idx
] = 0;
2287 /* See if we have an option argument; if we do require that
2288 it's all digits, not something like "10foo". */
2289 if (optarg
== 0 && argc
> optind
)
2292 for (cp
=argv
[optind
]; ISDIGIT (cp
[0]); ++cp
)
2295 optarg
= argv
[optind
++];
2303 int i
= atoi (optarg
);
2306 /* Yes, I realize we're repeating this in some cases. */
2307 for (cp
= optarg
; ISDIGIT (cp
[0]); ++cp
)
2310 if (i
< 1 || cp
[0] != '\0')
2312 error (NILF
, _("the `-%c' option requires a positive integral argument"),
2317 *(unsigned int *) cs
->value_ptr
= i
;
2320 *(unsigned int *) cs
->value_ptr
2321 = *(unsigned int *) cs
->noarg_value
;
2326 if (optarg
== 0 && optind
< argc
2327 && (ISDIGIT (argv
[optind
][0]) || argv
[optind
][0] == '.'))
2328 optarg
= argv
[optind
++];
2331 *(double *) cs
->value_ptr
2332 = (optarg
!= 0 ? atof (optarg
)
2333 : *(double *) cs
->noarg_value
);
2339 /* We've found the switch. Stop looking. */
2344 /* There are no more options according to getting getopt, but there may
2345 be some arguments left. Since we have asked for non-option arguments
2346 to be returned in order, this only happens when there is a "--"
2347 argument to prevent later arguments from being options. */
2348 while (optind
< argc
)
2349 handle_non_switch_argument (argv
[optind
++], env
);
2352 if (!env
&& (bad
|| print_usage_flag
))
2359 /* Decode switches from environment variable ENVAR (which is LEN chars long).
2360 We do this by chopping the value into a vector of words, prepending a
2361 dash to the first word if it lacks one, and passing the vector to
2365 decode_env_switches (envar
, len
)
2369 char *varref
= (char *) alloca (2 + len
+ 2);
2374 /* Get the variable's value. */
2377 bcopy (envar
, &varref
[2], len
);
2378 varref
[2 + len
] = ')';
2379 varref
[2 + len
+ 1] = '\0';
2380 value
= variable_expand (varref
);
2382 /* Skip whitespace, and check for an empty value. */
2383 value
= next_token (value
);
2384 len
= strlen (value
);
2388 /* Allocate a vector that is definitely big enough. */
2389 argv
= (char **) alloca ((1 + len
+ 1) * sizeof (char *));
2391 /* Allocate a buffer to copy the value into while we split it into words
2392 and unquote it. We must use permanent storage for this because
2393 decode_switches may store pointers into the passed argument words. */
2394 p
= (char *) xmalloc (2 * len
);
2396 /* getopt will look at the arguments starting at ARGV[1].
2397 Prepend a spacer word. */
2401 while (*value
!= '\0')
2403 if (*value
== '\\' && value
[1] != '\0')
2404 ++value
; /* Skip the backslash. */
2405 else if (isblank ((unsigned char)*value
))
2407 /* End of the word. */
2412 while (isblank ((unsigned char)*value
));
2420 if (argv
[1][0] != '-' && strchr (argv
[1], '=') == 0)
2421 /* The first word doesn't start with a dash and isn't a variable
2422 definition. Add a dash and pass it along to decode_switches. We
2423 need permanent storage for this in case decode_switches saves
2424 pointers into the value. */
2425 argv
[1] = concat ("-", argv
[1], "");
2427 /* Parse those words. */
2428 decode_switches (argc
, argv
, 1);
2431 /* Quote the string IN so that it will be interpreted as a single word with
2432 no magic by decode_env_switches; also double dollar signs to avoid
2433 variable expansion in make itself. Write the result into OUT, returning
2434 the address of the next character to be written.
2435 Allocating space for OUT twice the length of IN is always sufficient. */
2438 quote_for_env (out
, in
)
2445 else if (isblank ((unsigned char)*in
) || *in
== '\\')
2453 /* Define the MAKEFLAGS and MFLAGS variables to reflect the settings of the
2454 command switches. Include options with args if ALL is nonzero.
2455 Don't include options with the `no_makefile' flag set if MAKEFILE. */
2458 define_makeflags (all
, makefile
)
2461 static const char ref
[] = "$(MAKEOVERRIDES)";
2462 static const char posixref
[] = "$(-*-command-variables-*-)";
2463 register const struct command_switch
*cs
;
2469 /* We will construct a linked list of `struct flag's describing
2470 all the flags which need to go in MAKEFLAGS. Then, once we
2471 know how many there are and their lengths, we can put them all
2472 together in a string. */
2477 const struct command_switch
*cs
;
2480 struct flag
*flags
= 0;
2481 unsigned int flagslen
= 0;
2482 #define ADD_FLAG(ARG, LEN) \
2484 struct flag *new = (struct flag *) alloca (sizeof (struct flag)); \
2487 new->next = flags; \
2489 if (new->arg == 0) \
2490 ++flagslen; /* Just a single flag letter. */ \
2492 flagslen += 1 + 1 + 1 + 1 + 3 * (LEN); /* " -x foo" */ \
2493 if (!short_option (cs->c)) \
2494 /* This switch has no single-letter version, so we use the long. */ \
2495 flagslen += 2 + strlen (cs->long_name); \
2498 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2499 if (cs
->toenv
&& (!makefile
|| !cs
->no_makefile
))
2510 if (!*(int *) cs
->value_ptr
== (cs
->type
== flag_off
)
2511 && (cs
->default_value
== 0
2512 || *(int *) cs
->value_ptr
!= *(int *) cs
->default_value
))
2519 if ((cs
->default_value
!= 0
2520 && (*(unsigned int *) cs
->value_ptr
2521 == *(unsigned int *) cs
->default_value
)))
2523 else if (cs
->noarg_value
!= 0
2524 && (*(unsigned int *) cs
->value_ptr
==
2525 *(unsigned int *) cs
->noarg_value
))
2526 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2527 else if (cs
->c
== 'j')
2528 /* Special case for `-j'. */
2532 char *buf
= (char *) alloca (30);
2533 sprintf (buf
, "%u", *(unsigned int *) cs
->value_ptr
);
2534 ADD_FLAG (buf
, strlen (buf
));
2543 if (cs
->default_value
!= 0
2544 && (*(double *) cs
->value_ptr
2545 == *(double *) cs
->default_value
))
2547 else if (cs
->noarg_value
!= 0
2548 && (*(double *) cs
->value_ptr
2549 == *(double *) cs
->noarg_value
))
2550 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2553 char *buf
= (char *) alloca (100);
2554 sprintf (buf
, "%g", *(double *) cs
->value_ptr
);
2555 ADD_FLAG (buf
, strlen (buf
));
2564 struct stringlist
*sl
= *(struct stringlist
**) cs
->value_ptr
;
2567 /* Add the elements in reverse order, because
2568 all the flags get reversed below; and the order
2569 matters for some switches (like -I). */
2570 register unsigned int i
= sl
->idx
;
2572 ADD_FLAG (sl
->list
[i
], strlen (sl
->list
[i
]));
2578 flagslen
+= 4 + sizeof posixref
; /* Four more for the possible " -- ". */
2582 /* Construct the value in FLAGSTRING.
2583 We allocate enough space for a preceding dash and trailing null. */
2584 flagstring
= (char *) alloca (1 + flagslen
+ 1);
2585 bzero (flagstring
, 1 + flagslen
+ 1);
2591 /* Add the flag letter or name to the string. */
2592 if (short_option (flags
->cs
->c
))
2593 *p
++ = flags
->cs
->c
;
2602 strcpy (p
, flags
->cs
->long_name
);
2605 if (flags
->arg
!= 0)
2607 /* A flag that takes an optional argument which in this case is
2608 omitted is specified by ARG being "". We must distinguish
2609 because a following flag appended without an intervening " -"
2610 is considered the arg for the first. */
2611 if (flags
->arg
[0] != '\0')
2613 /* Add its argument too. */
2614 *p
++ = !short_option (flags
->cs
->c
) ? '=' : ' ';
2615 p
= quote_for_env (p
, flags
->arg
);
2618 /* Write a following space and dash, for the next flag. */
2622 else if (!short_option (flags
->cs
->c
))
2625 /* Long options must each go in their own word,
2626 so we write the following space and dash. */
2630 flags
= flags
->next
;
2633 /* Define MFLAGS before appending variable definitions. */
2635 if (p
== &flagstring
[1])
2637 flagstring
[0] = '\0';
2638 else if (p
[-1] == '-')
2640 /* Kill the final space and dash. */
2645 /* Terminate the string. */
2648 /* Since MFLAGS is not parsed for flags, there is no reason to
2649 override any makefile redefinition. */
2650 (void) define_variable ("MFLAGS", 6, flagstring
, o_env
, 1);
2652 if (all
&& command_variables
!= 0)
2654 /* Now write a reference to $(MAKEOVERRIDES), which contains all the
2655 command-line variable definitions. */
2657 if (p
== &flagstring
[1])
2658 /* No flags written, so elide the leading dash already written. */
2662 /* Separate the variables from the switches with a "--" arg. */
2665 /* We did not already write a trailing " -". */
2669 /* There is a trailing " -"; fill it out to " -- ". */
2674 /* Copy in the string. */
2677 bcopy (posixref
, p
, sizeof posixref
- 1);
2678 p
+= sizeof posixref
- 1;
2682 bcopy (ref
, p
, sizeof ref
- 1);
2683 p
+= sizeof ref
- 1;
2686 else if (p
== &flagstring
[1])
2691 else if (p
[-1] == '-')
2692 /* Kill the final space and dash. */
2694 /* Terminate the string. */
2697 v
= define_variable ("MAKEFLAGS", 9,
2698 /* If there are switches, omit the leading dash
2699 unless it is a single long option with two
2701 &flagstring
[(flagstring
[0] == '-'
2702 && flagstring
[1] != '-')
2704 /* This used to use o_env, but that lost when a
2705 makefile defined MAKEFLAGS. Makefiles set
2706 MAKEFLAGS to add switches, but we still want
2707 to redefine its value with the full set of
2708 switches. Of course, an override or command
2709 definition will still take precedence. */
2712 /* The first time we are called, set MAKEFLAGS to always be exported.
2713 We should not do this again on the second call, because that is
2714 after reading makefiles which might have done `unexport MAKEFLAGS'. */
2715 v
->export
= v_export
;
2718 /* Print version information. */
2723 static int printed_version
= 0;
2725 char *precede
= print_data_base_flag
? "# " : "";
2727 if (printed_version
)
2728 /* Do it only once. */
2731 /* Print this untranslated. The coding standards recommend translating the
2732 (C) to the copyright symbol, but this string is going to change every
2733 year, and none of the rest of it should be translated (including the
2734 word "Copyright", so it hardly seems worth it. */
2736 printf ("%sGNU Make %s\n\
2737 %sCopyright (C) 2002 Free Software Foundation, Inc.\n",
2738 precede
, version_string
, precede
);
2740 printf (_("%sThis is free software; see the source for copying conditions.\n\
2741 %sThere is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
2742 %sPARTICULAR PURPOSE.\n"),
2743 precede
, precede
, precede
);
2745 printed_version
= 1;
2747 /* Flush stdout so the user doesn't have to wait to see the
2748 version information while things are thought about. */
2752 /* Print a bunch of information about this and that. */
2759 when
= time ((time_t *) 0);
2760 printf (_("\n# Make data base, printed on %s"), ctime (&when
));
2762 print_variable_data_base ();
2763 print_dir_data_base ();
2764 print_rule_data_base ();
2765 print_file_data_base ();
2766 print_vpath_data_base ();
2768 when
= time ((time_t *) 0);
2769 printf (_("\n# Finished Make data base on %s\n"), ctime (&when
));
2772 /* Exit with STATUS, cleaning up as necessary. */
2778 static char dying
= 0;
2786 if (print_version_flag
)
2789 /* Wait for children to die. */
2790 for (err
= (status
!= 0); job_slots_used
> 0; err
= 0)
2791 reap_children (1, err
);
2793 /* Let the remote job module clean up its state. */
2796 /* Remove the intermediate files. */
2797 remove_intermediates (0);
2799 if (print_data_base_flag
)
2802 /* Try to move back to the original directory. This is essential on
2803 MS-DOS (where there is really only one process), and on Unix it
2804 puts core files in the original directory instead of the -C
2805 directory. Must wait until after remove_intermediates(), or unlinks
2806 of relative pathnames fail. */
2807 if (directory_before_chdir
!= 0)
2808 chdir (directory_before_chdir
);
2810 log_working_directory (0);
2816 /* Write a message indicating that we've just entered or
2817 left (according to ENTERING) the current directory. */
2820 log_working_directory (entering
)
2823 static int entered
= 0;
2825 /* Print nothing without the flag. Don't print the entering message
2826 again if we already have. Don't print the leaving message if we
2827 haven't printed the entering message. */
2828 if (! print_directory_flag
|| entering
== entered
)
2833 if (print_data_base_flag
)
2834 fputs ("# ", stdout
);
2836 /* Use entire sentences to give the translators a fighting chance. */
2839 if (starting_directory
== 0)
2841 printf (_("%s: Entering an unknown directory"), program
);
2843 printf (_("%s: Leaving an unknown directory"), program
);
2846 printf (_("%s: Entering directory `%s'\n"),
2847 program
, starting_directory
);
2849 printf (_("%s: Leaving directory `%s'\n"),
2850 program
, starting_directory
);
2852 if (starting_directory
== 0)
2854 printf (_("%s[%u]: Entering an unknown directory"),
2855 program
, makelevel
);
2857 printf (_("%s[%u]: Leaving an unknown directory"),
2858 program
, makelevel
);
2861 printf (_("%s[%u]: Entering directory `%s'\n"),
2862 program
, makelevel
, starting_directory
);
2864 printf (_("%s[%u]: Leaving directory `%s'\n"),
2865 program
, makelevel
, starting_directory
);