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 /* If nonzero, always build all targets, regardless of whether
257 they appear out of date or not. */
259 int always_make_flag
= 0;
261 /* The table of command switches. */
263 static const struct command_switch switches
[] =
265 { 'b', ignore
, 0, 0, 0, 0, 0, 0,
267 N_("Ignored for compatibility") },
268 { 'B', flag
, (char *) &always_make_flag
, 1, 1, 0, 0, 0,
270 N_("Unconditionally make all targets") },
271 { 'C', string
, (char *) &directories
, 0, 0, 0, 0, 0,
272 "directory", N_("DIRECTORY"),
273 N_("Change to DIRECTORY before doing anything") },
274 { 'd', flag
, (char *) &debug_flag
, 1, 1, 0, 0, 0,
276 N_("Print lots of debugging information") },
277 { CHAR_MAX
+1, string
, (char *) &db_flags
, 1, 1, 0,
279 "debug", N_("FLAGS"),
280 N_("Print various types of debugging information") },
282 { 'D', flag
, (char *) &suspend_flag
, 1, 1, 0, 0, 0,
283 "suspend-for-debug", 0,
284 N_("Suspend process to allow a debugger to attach") },
286 { 'e', flag
, (char *) &env_overrides
, 1, 1, 0, 0, 0,
287 "environment-overrides", 0,
288 N_("Environment variables override makefiles") },
289 { 'f', string
, (char *) &makefiles
, 0, 0, 0, 0, 0,
291 N_("Read FILE as a makefile") },
292 { 'h', flag
, (char *) &print_usage_flag
, 0, 0, 0, 0, 0,
294 N_("Print this message and exit") },
295 { 'i', flag
, (char *) &ignore_errors_flag
, 1, 1, 0, 0, 0,
297 N_("Ignore errors from commands") },
298 { 'I', string
, (char *) &include_directories
, 1, 1, 0, 0, 0,
299 "include-dir", N_("DIRECTORY"),
300 N_("Search DIRECTORY for included makefiles") },
302 positive_int
, (char *) &job_slots
, 1, 1, 0,
303 (char *) &inf_jobs
, (char *) &default_job_slots
,
305 N_("Allow N jobs at once; infinite jobs with no arg") },
306 { CHAR_MAX
+2, string
, (char *) &jobserver_fds
, 1, 1, 0, 0, 0,
309 { 'k', flag
, (char *) &keep_going_flag
, 1, 1, 0,
310 0, (char *) &default_keep_going_flag
,
312 N_("Keep going when some targets can't be made") },
314 { 'l', floating
, (char *) &max_load_average
, 1, 1, 0,
315 (char *) &default_load_average
, (char *) &default_load_average
,
317 N_("Don't start multiple jobs unless load is below N") },
319 { 'l', positive_int
, (char *) &max_load_average
, 1, 1, 0,
320 (char *) &default_load_average
, (char *) &default_load_average
,
322 N_("Don't start multiple jobs unless load is below N") },
324 { 'm', ignore
, 0, 0, 0, 0, 0, 0,
327 { 'n', flag
, (char *) &just_print_flag
, 1, 1, 1, 0, 0,
329 N_("Don't actually run any commands; just print them") },
330 { 'o', string
, (char *) &old_files
, 0, 0, 0, 0, 0,
331 "old-file", N_("FILE"),
332 N_("Consider FILE to be very old and don't remake it") },
333 { 'p', flag
, (char *) &print_data_base_flag
, 1, 1, 0, 0, 0,
334 "print-data-base", 0,
335 N_("Print make's internal database") },
336 { 'q', flag
, (char *) &question_flag
, 1, 1, 1, 0, 0,
338 N_("Run no commands; exit status says if up to date") },
339 { 'r', flag
, (char *) &no_builtin_rules_flag
, 1, 1, 0, 0, 0,
340 "no-builtin-rules", 0,
341 N_("Disable the built-in implicit rules") },
342 { 'R', flag
, (char *) &no_builtin_variables_flag
, 1, 1, 0, 0, 0,
343 "no-builtin-variables", 0,
344 N_("Disable the built-in variable settings") },
345 { 's', flag
, (char *) &silent_flag
, 1, 1, 0, 0, 0,
347 N_("Don't echo commands") },
348 { 'S', flag_off
, (char *) &keep_going_flag
, 1, 1, 0,
349 0, (char *) &default_keep_going_flag
,
351 N_("Turns off -k") },
352 { 't', flag
, (char *) &touch_flag
, 1, 1, 1, 0, 0,
354 N_("Touch targets instead of remaking them") },
355 { 'v', flag
, (char *) &print_version_flag
, 1, 1, 0, 0, 0,
357 N_("Print the version number of make and exit") },
358 { 'w', flag
, (char *) &print_directory_flag
, 1, 1, 0, 0, 0,
359 "print-directory", 0,
360 N_("Print the current directory") },
361 { CHAR_MAX
+3, flag
, (char *) &inhibit_print_directory_flag
, 1, 1, 0, 0, 0,
362 "no-print-directory", 0,
363 N_("Turn off -w, even if it was turned on implicitly") },
364 { 'W', string
, (char *) &new_files
, 0, 0, 0, 0, 0,
365 "what-if", N_("FILE"),
366 N_("Consider FILE to be infinitely new") },
367 { CHAR_MAX
+4, flag
, (char *) &warn_undefined_variables_flag
, 1, 1, 0, 0, 0,
368 "warn-undefined-variables", 0,
369 N_("Warn when an undefined variable is referenced") },
373 /* Secondary long names for options. */
375 static struct option long_option_aliases
[] =
377 { "quiet", no_argument
, 0, 's' },
378 { "stop", no_argument
, 0, 'S' },
379 { "new-file", required_argument
, 0, 'W' },
380 { "assume-new", required_argument
, 0, 'W' },
381 { "assume-old", required_argument
, 0, 'o' },
382 { "max-load", optional_argument
, 0, 'l' },
383 { "dry-run", no_argument
, 0, 'n' },
384 { "recon", no_argument
, 0, 'n' },
385 { "makefile", required_argument
, 0, 'f' },
388 /* The usage message prints the descriptions of options starting in
389 this column. Make sure it leaves enough room for the longest
390 description to fit in less than 80 characters. */
392 #define DESCRIPTION_COLUMN 30
394 /* List of goal targets. */
396 static struct dep
*goals
, *lastgoal
;
398 /* List of variables which were defined on the command line
399 (or, equivalently, in MAKEFLAGS). */
401 struct command_variable
403 struct command_variable
*next
;
404 struct variable
*variable
;
406 static struct command_variable
*command_variables
;
408 /* The name we were invoked with. */
412 /* Our current directory before processing any -C options. */
414 char *directory_before_chdir
;
416 /* Our current directory after processing all -C options. */
418 char *starting_directory
;
420 /* Value of the MAKELEVEL variable at startup (or 0). */
422 unsigned int makelevel
;
424 /* First file defined in the makefile whose name does not
425 start with `.'. This is the default to remake if the
426 command line does not specify. */
428 struct file
*default_goal_file
;
430 /* Pointer to structure for the file .DEFAULT
431 whose commands are used for any file that has none of its own.
432 This is zero if the makefiles do not define .DEFAULT. */
434 struct file
*default_file
;
436 /* Nonzero if we have seen the magic `.POSIX' target.
437 This turns on pedantic compliance with POSIX.2. */
441 /* Nonzero if we have seen the `.NOTPARALLEL' target.
442 This turns off parallel builds for this invocation of make. */
446 /* Nonzero if some rule detected clock skew; we keep track so (a) we only
447 print one warning about it during the run, and (b) we can print a final
448 warning at the end of the run. */
450 int clock_skew_detected
;
452 /* Mask of signals that are being caught with fatal_error_signal. */
455 sigset_t fatal_signal_set
;
457 # ifdef HAVE_SIGSETMASK
458 int fatal_signal_mask
;
462 #if !defined HAVE_BSD_SIGNAL && !defined bsd_signal
463 # if !defined HAVE_SIGACTION
464 # define bsd_signal signal
466 typedef RETSIGTYPE (*bsd_signal_ret_t
) ();
468 static bsd_signal_ret_t
469 bsd_signal (sig
, func
)
471 bsd_signal_ret_t func
;
473 struct sigaction act
, oact
;
474 act
.sa_handler
= func
;
475 act
.sa_flags
= SA_RESTART
;
476 sigemptyset (&act
.sa_mask
);
477 sigaddset (&act
.sa_mask
, sig
);
478 if (sigaction (sig
, &act
, &oact
) != 0)
480 return oact
.sa_handler
;
486 initialize_global_hash_tables ()
488 init_hash_global_variable_set ();
490 hash_init_directories ();
491 hash_init_function_table ();
495 enter_command_line_file (name
)
499 fatal (NILF
, _("empty string invalid as file name"));
503 char *expanded
= tilde_expand (name
);
505 name
= expanded
; /* Memory leak; I don't care. */
508 /* This is also done in parse_file_seq, so this is redundant
509 for names read from makefiles. It is here for names passed
510 on the command line. */
511 while (name
[0] == '.' && name
[1] == '/' && name
[2] != '\0')
515 /* Skip following slashes: ".//foo" is "foo", not "/foo". */
521 /* It was all slashes! Move back to the dot and truncate
522 it after the first slash, so it becomes just "./". */
525 while (name
[0] != '.');
529 return enter_file (xstrdup (name
));
532 /* Toggle -d on receipt of SIGUSR1. */
535 debug_signal_handler (sig
)
538 db_level
= db_level
? DB_NONE
: DB_BASIC
;
542 decode_debug_flags ()
552 for (pp
=db_flags
->list
; *pp
; ++pp
)
558 switch (tolower (p
[0]))
564 db_level
|= DB_BASIC
;
567 db_level
|= DB_BASIC
| DB_IMPLICIT
;
573 db_level
|= DB_BASIC
| DB_MAKEFILES
;
576 db_level
|= DB_BASIC
| DB_VERBOSE
;
579 fatal (NILF
, _("unknown debug level specification `%s'"), p
);
582 while (*(++p
) != '\0')
583 if (*p
== ',' || *p
== ' ')
596 * HANDLE runtime exceptions by avoiding a requestor on the GUI. Capture
597 * exception and print it to stderr instead.
599 * If ! DB_VERBOSE, just print a simple message and exit.
600 * If DB_VERBOSE, print a more verbose message.
601 * If compiled for DEBUG, let exception pass through to GUI so that
602 * debuggers can attach.
605 handle_runtime_exceptions( struct _EXCEPTION_POINTERS
*exinfo
)
607 PEXCEPTION_RECORD exrec
= exinfo
->ExceptionRecord
;
608 LPSTR cmdline
= GetCommandLine();
609 LPSTR prg
= strtok(cmdline
, " ");
613 LPTSTR lpszStrings
[1];
616 if (! ISDB (DB_VERBOSE
))
619 _("%s: Interrupt/Exception caught (code = 0x%x, addr = 0x%x)\n"),
620 prg
, exrec
->ExceptionCode
, exrec
->ExceptionAddress
);
621 fprintf(stderr
, errmsg
);
626 _("\nUnhandled exception filter called from program %s\nExceptionCode = %x\nExceptionFlags = %x\nExceptionAddress = %x\n"),
627 prg
, exrec
->ExceptionCode
, exrec
->ExceptionFlags
,
628 exrec
->ExceptionAddress
);
630 if (exrec
->ExceptionCode
== EXCEPTION_ACCESS_VIOLATION
631 && exrec
->NumberParameters
>= 2)
632 sprintf(&errmsg
[strlen(errmsg
)],
633 (exrec
->ExceptionInformation
[0]
634 ? _("Access violation: write operation at address %x\n")
635 : _("Access violation: read operation at address %x\n")),
636 exrec
->ExceptionInformation
[1]);
638 /* turn this on if we want to put stuff in the event log too */
640 hEventSource
= RegisterEventSource(NULL
, "GNU Make");
641 lpszStrings
[0] = errmsg
;
643 if (hEventSource
!= NULL
)
645 ReportEvent(hEventSource
, /* handle of event source */
646 EVENTLOG_ERROR_TYPE
, /* event type */
647 0, /* event category */
649 NULL
, /* current user's SID */
650 1, /* strings in lpszStrings */
651 0, /* no bytes of raw data */
652 lpszStrings
, /* array of error strings */
653 NULL
); /* no raw data */
655 (VOID
) DeregisterEventSource(hEventSource
);
659 /* Write the error to stderr too */
660 fprintf(stderr
, errmsg
);
663 return EXCEPTION_CONTINUE_SEARCH
;
666 return (255); /* not reached */
671 * On WIN32 systems we don't have the luxury of a /bin directory that
672 * is mapped globally to every drive mounted to the system. Since make could
673 * be invoked from any drive, and we don't want to propogate /bin/sh
674 * to every single drive. Allow ourselves a chance to search for
675 * a value for default shell here (if the default path does not exist).
679 find_and_set_default_shell(char *token
)
684 extern char *default_shell
;
687 search_token
= default_shell
;
689 search_token
= token
;
691 if (!no_default_sh_exe
&&
692 (token
== NULL
|| !strcmp(search_token
, default_shell
))) {
693 /* no new information, path already set or known */
695 } else if (file_exists_p(search_token
)) {
696 /* search token path was found */
697 sprintf(sh_path
, "%s", search_token
);
698 default_shell
= xstrdup(w32ify(sh_path
,0));
700 (_("find_and_set_shell setting default_shell = %s\n"), default_shell
));
704 struct variable
*v
= lookup_variable ("Path", 4);
707 * Search Path for shell
713 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
718 if (dir_file_exists_p(p
, search_token
)) {
719 sprintf(sh_path
, "%s/%s", p
, search_token
);
720 default_shell
= xstrdup(w32ify(sh_path
,0));
722 *ep
= PATH_SEPARATOR_CHAR
;
727 *ep
= PATH_SEPARATOR_CHAR
;
731 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
734 /* be sure to check last element of Path */
735 if (p
&& *p
&& dir_file_exists_p(p
, search_token
)) {
736 sprintf(sh_path
, "%s/%s", p
, search_token
);
737 default_shell
= xstrdup(w32ify(sh_path
,0));
743 (_("find_and_set_shell path search set default_shell = %s\n"),
749 if (!unixy_shell
&& sh_found
&&
750 (strstr(default_shell
, "sh") || strstr(default_shell
, "SH"))) {
752 batch_mode_shell
= 0;
755 #ifdef BATCH_MODE_ONLY_SHELL
756 batch_mode_shell
= 1;
761 #endif /* WINDOWS32 */
766 msdos_return_to_initial_directory ()
768 if (directory_before_chdir
)
769 chdir (directory_before_chdir
);
773 extern char *mktemp ();
774 extern int mkstemp ();
777 open_tmpfile(name
, template)
779 const char *template;
783 #if defined HAVE_MKSTEMP || defined HAVE_MKTEMP
784 # define TEMPLATE_LEN strlen (template)
786 # define TEMPLATE_LEN L_tmpnam
788 *name
= xmalloc (TEMPLATE_LEN
+ 1);
789 strcpy (*name
, template);
791 #if defined HAVE_MKSTEMP && defined HAVE_FDOPEN
792 /* It's safest to use mkstemp(), if we can. */
793 fd
= mkstemp (*name
);
796 return fdopen (fd
, "w");
799 (void) mktemp (*name
);
801 (void) tmpnam (*name
);
805 /* Can't use mkstemp(), but guard against a race condition. */
806 fd
= open (*name
, O_CREAT
|O_EXCL
|O_WRONLY
, 0600);
809 return fdopen (fd
, "w");
811 /* Not secure, but what can we do? */
812 return fopen (*name
, "w");
820 main (argc
, argv
, envp
)
825 int main (int argc
, char ** argv
)
828 static char *stdin_nm
= 0;
829 register struct file
*f
;
830 register unsigned int i
;
832 struct dep
*read_makefiles
;
833 PATH_VAR (current_directory
);
835 char *unix_path
= NULL
;
836 char *windows32_path
= NULL
;
838 SetUnhandledExceptionFilter(handle_runtime_exceptions
);
840 /* start off assuming we have no shell */
842 no_default_sh_exe
= 1;
845 default_goal_file
= 0;
848 #if defined (__MSDOS__) && !defined (_POSIX_SOURCE)
849 /* Request the most powerful version of `system', to
850 make up for the dumb default shell. */
851 __system_flags
= (__system_redirect
853 | __system_allow_multiple_cmds
854 | __system_allow_long_cmds
855 | __system_handle_null_commands
856 | __system_emulate_chdir
);
860 /* Set up gettext/internationalization support. */
861 setlocale (LC_ALL
, "");
862 bindtextdomain (PACKAGE
, LOCALEDIR
);
863 textdomain (PACKAGE
);
866 sigemptyset (&fatal_signal_set
);
867 #define ADD_SIG(sig) sigaddset (&fatal_signal_set, sig)
869 #ifdef HAVE_SIGSETMASK
870 fatal_signal_mask
= 0;
871 #define ADD_SIG(sig) fatal_signal_mask |= sigmask (sig)
877 #define FATAL_SIG(sig) \
878 if (bsd_signal (sig, fatal_error_signal) == SIG_IGN) \
879 bsd_signal (sig, SIG_IGN); \
893 /* Windows 9X delivers FP exceptions in child programs to their
894 parent! We don't want Make to die when a child divides by zero,
895 so we work around that lossage by catching SIGFPE. */
900 FATAL_SIG (SIGDANGER
);
911 /* Do not ignore the child-death signal. This must be done before
912 any children could possibly be created; otherwise, the wait
913 functions won't work on systems with the SVR4 ECHILD brain
914 damage, if our invoker is ignoring this signal. */
916 #ifdef HAVE_WAIT_NOHANG
918 (void) bsd_signal (SIGCHLD
, SIG_DFL
);
920 # if defined SIGCLD && SIGCLD != SIGCHLD
921 (void) bsd_signal (SIGCLD
, SIG_DFL
);
925 /* Make sure stdout is line-buffered. */
928 # ifdef SETVBUF_REVERSED
929 setvbuf (stdout
, _IOLBF
, xmalloc (BUFSIZ
), BUFSIZ
);
930 # else /* setvbuf not reversed. */
931 /* Some buggy systems lose if we pass 0 instead of allocating ourselves. */
932 setvbuf (stdout
, (char *) 0, _IOLBF
, BUFSIZ
);
933 # endif /* setvbuf reversed. */
934 #elif HAVE_SETLINEBUF
936 #endif /* setlinebuf missing. */
938 /* Figure out where this program lives. */
942 if (argv
[0][0] == '\0')
947 program
= strrchr (argv
[0], ']');
949 program
= strrchr (argv
[0], '/');
953 program
= strrchr (argv
[0], '\\');
956 /* Some weird environments might pass us argv[0] with
957 both kinds of slashes; we must find the rightmost. */
958 char *p
= strrchr (argv
[0], '\\');
959 if (p
&& p
> program
)
962 if (program
== 0 && argv
[0][1] == ':')
963 program
= argv
[0] + 1;
971 /* Set up to access user data (files). */
974 initialize_global_hash_tables ();
976 /* Figure out where we are. */
979 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
981 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
985 perror_with_name ("getcwd: ", "");
987 error (NILF
, "getwd: %s", current_directory
);
989 current_directory
[0] = '\0';
990 directory_before_chdir
= 0;
993 directory_before_chdir
= xstrdup (current_directory
);
995 /* Make sure we will return to the initial directory, come what may. */
996 atexit (msdos_return_to_initial_directory
);
999 /* Initialize the special variables. */
1000 define_variable (".VARIABLES", 10, "", o_default
, 0)->special
= 1;
1001 /* define_variable (".TARGETS", 8, "", o_default, 0); */
1003 /* Read in variables from the environment. It is important that this be
1004 done before $(MAKE) is figured out so its definitions will not be
1005 from the environment. */
1008 for (i
= 0; envp
[i
] != 0; ++i
)
1011 register char *ep
= envp
[i
];
1013 /* by default, everything gets defined and exported */
1019 if (!unix_path
&& strneq(envp
[i
], "PATH=", 5))
1021 else if (!windows32_path
&& !strnicmp(envp
[i
], "Path=", 5)) {
1022 do_not_define
= 1; /* it gets defined after loop exits */
1023 windows32_path
= ep
+1;
1026 /* The result of pointer arithmetic is cast to unsigned int for
1027 machines where ptrdiff_t is a different size that doesn't widen
1030 define_variable (envp
[i
], (unsigned int) (ep
- envp
[i
]),
1032 /* Force exportation of every variable culled from the environment.
1033 We used to rely on target_environment's v_default code to do this.
1034 But that does not work for the case where an environment variable
1035 is redefined in a makefile with `override'; it should then still
1036 be exported, because it was originally in the environment. */
1037 ->export
= v_export
;
1041 * Make sure that this particular spelling of 'Path' is available
1044 define_variable("Path", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1046 define_variable("Path", 4, unix_path
, o_env
, 1)->export
= v_export
;
1048 define_variable("Path", 4, "", o_env
, 1)->export
= v_export
;
1051 * PATH defaults to Path iff PATH not found and Path is found.
1053 if (!unix_path
&& windows32_path
)
1054 define_variable("PATH", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1056 #else /* For Amiga, read the ENV: device, ignoring all dirs */
1058 BPTR env
, file
, old
;
1061 __aligned
struct FileInfoBlock fib
;
1063 env
= Lock ("ENV:", ACCESS_READ
);
1066 old
= CurrentDir (DupLock(env
));
1067 Examine (env
, &fib
);
1069 while (ExNext (env
, &fib
))
1071 if (fib
.fib_DirEntryType
< 0) /* File */
1073 /* Define an empty variable. It will be filled in
1074 variable_lookup(). Makes startup quite a bit
1076 define_variable (fib
.fib_FileName
,
1077 strlen (fib
.fib_FileName
),
1078 "", o_env
, 1)->export
= v_export
;
1082 UnLock(CurrentDir(old
));
1087 /* Decode the switches. */
1089 decode_env_switches ("MAKEFLAGS", 9);
1091 /* People write things like:
1092 MFLAGS="CC=gcc -pipe" "CFLAGS=-g"
1093 and we set the -p, -i and -e switches. Doesn't seem quite right. */
1094 decode_env_switches ("MFLAGS", 6);
1096 decode_switches (argc
, argv
, 0);
1099 fprintf(stderr
, "%s (pid = %d)\n", argv
[0], GetCurrentProcessId());
1100 fprintf(stderr
, _("%s is suspending for 30 seconds..."), argv
[0]);
1102 fprintf(stderr
, _("done sleep(30). Continuing.\n"));
1106 decode_debug_flags ();
1108 /* Print version information. */
1110 if (print_version_flag
|| print_data_base_flag
|| db_level
)
1113 /* `make --version' is supposed to just print the version and exit. */
1114 if (print_version_flag
)
1118 /* Set the "MAKE_COMMAND" variable to the name we were invoked with.
1119 (If it is a relative pathname with a slash, prepend our directory name
1120 so the result will run the same program regardless of the current dir.
1121 If it is a name with no slash, we can only hope that PATH did not
1122 find it in the current directory.) */
1125 * Convert from backslashes to forward slashes for
1126 * programs like sh which don't like them. Shouldn't
1127 * matter if the path is one way or the other for
1130 if (strpbrk(argv
[0], "/:\\") ||
1131 strstr(argv
[0], "..") ||
1132 strneq(argv
[0], "//", 2))
1133 argv
[0] = xstrdup(w32ify(argv
[0],1));
1134 #else /* WINDOWS32 */
1136 if (strchr (argv
[0], '\\'))
1140 argv
[0] = xstrdup (argv
[0]);
1141 for (p
= argv
[0]; *p
; p
++)
1145 /* If argv[0] is not in absolute form, prepend the current
1146 directory. This can happen when Make is invoked by another DJGPP
1147 program that uses a non-absolute name. */
1148 if (current_directory
[0] != '\0'
1150 && (argv
[0][0] != '/' && (argv
[0][0] == '\0' || argv
[0][1] != ':')))
1151 argv
[0] = concat (current_directory
, "/", argv
[0]);
1152 #else /* !__MSDOS__ */
1153 if (current_directory
[0] != '\0'
1154 && argv
[0] != 0 && argv
[0][0] != '/' && strchr (argv
[0], '/') != 0)
1155 argv
[0] = concat (current_directory
, "/", argv
[0]);
1156 #endif /* !__MSDOS__ */
1157 #endif /* WINDOWS32 */
1160 /* The extra indirection through $(MAKE_COMMAND) is done
1161 for hysterical raisins. */
1162 (void) define_variable ("MAKE_COMMAND", 12, argv
[0], o_default
, 0);
1163 (void) define_variable ("MAKE", 4, "$(MAKE_COMMAND)", o_default
, 1);
1165 if (command_variables
!= 0)
1167 struct command_variable
*cv
;
1169 unsigned int len
= 0;
1172 /* Figure out how much space will be taken up by the command-line
1173 variable definitions. */
1174 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1177 len
+= 2 * strlen (v
->name
);
1181 len
+= 2 * strlen (v
->value
);
1185 /* Now allocate a buffer big enough and fill it. */
1186 p
= value
= (char *) alloca (len
);
1187 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1190 p
= quote_for_env (p
, v
->name
);
1194 p
= quote_for_env (p
, v
->value
);
1197 p
[-1] = '\0'; /* Kill the final space and terminate. */
1199 /* Define an unchangeable variable with a name that no POSIX.2
1200 makefile could validly use for its own variable. */
1201 (void) define_variable ("-*-command-variables-*-", 23,
1202 value
, o_automatic
, 0);
1204 /* Define the variable; this will not override any user definition.
1205 Normally a reference to this variable is written into the value of
1206 MAKEFLAGS, allowing the user to override this value to affect the
1207 exported value of MAKEFLAGS. In POSIX-pedantic mode, we cannot
1208 allow the user's setting of MAKEOVERRIDES to affect MAKEFLAGS, so
1209 a reference to this hidden variable is written instead. */
1210 (void) define_variable ("MAKEOVERRIDES", 13,
1211 "${-*-command-variables-*-}", o_env
, 1);
1214 /* If there were -C flags, move ourselves about. */
1215 if (directories
!= 0)
1216 for (i
= 0; directories
->list
[i
] != 0; ++i
)
1218 char *dir
= directories
->list
[i
];
1221 char *expanded
= tilde_expand (dir
);
1225 if (chdir (dir
) < 0)
1226 pfatal_with_name (dir
);
1227 if (dir
!= directories
->list
[i
])
1233 * THIS BLOCK OF CODE MUST COME AFTER chdir() CALL ABOVE IN ORDER
1234 * TO NOT CONFUSE THE DEPENDENCY CHECKING CODE IN implicit.c.
1236 * The functions in dir.c can incorrectly cache information for "."
1237 * before we have changed directory and this can cause file
1238 * lookups to fail because the current directory (.) was pointing
1239 * at the wrong place when it was first evaluated.
1241 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1243 #endif /* WINDOWS32 */
1244 /* Figure out the level of recursion. */
1246 struct variable
*v
= lookup_variable (MAKELEVEL_NAME
, MAKELEVEL_LENGTH
);
1247 if (v
!= 0 && v
->value
[0] != '\0' && v
->value
[0] != '-')
1248 makelevel
= (unsigned int) atoi (v
->value
);
1253 /* Except under -s, always do -w in sub-makes and under -C. */
1254 if (!silent_flag
&& (directories
!= 0 || makelevel
> 0))
1255 print_directory_flag
= 1;
1257 /* Let the user disable that with --no-print-directory. */
1258 if (inhibit_print_directory_flag
)
1259 print_directory_flag
= 0;
1261 /* If -R was given, set -r too (doesn't make sense otherwise!) */
1262 if (no_builtin_variables_flag
)
1263 no_builtin_rules_flag
= 1;
1265 /* Construct the list of include directories to search. */
1267 construct_include_path (include_directories
== 0 ? (char **) 0
1268 : include_directories
->list
);
1270 /* Figure out where we are now, after chdir'ing. */
1271 if (directories
== 0)
1272 /* We didn't move, so we're still in the same place. */
1273 starting_directory
= current_directory
;
1277 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
1279 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
1283 perror_with_name ("getcwd: ", "");
1285 error (NILF
, "getwd: %s", current_directory
);
1287 starting_directory
= 0;
1290 starting_directory
= current_directory
;
1293 (void) define_variable ("CURDIR", 6, current_directory
, o_default
, 0);
1295 /* Read any stdin makefiles into temporary files. */
1299 register unsigned int i
;
1300 for (i
= 0; i
< makefiles
->idx
; ++i
)
1301 if (makefiles
->list
[i
][0] == '-' && makefiles
->list
[i
][1] == '\0')
1303 /* This makefile is standard input. Since we may re-exec
1304 and thus re-read the makefiles, we read standard input
1305 into a temporary file and read from that. */
1307 char *template, *tmpdir
;
1310 fatal (NILF
, _("Makefile from standard input specified twice."));
1313 # define DEFAULT_TMPDIR "sys$scratch:"
1316 # define DEFAULT_TMPDIR P_tmpdir
1318 # define DEFAULT_TMPDIR "/tmp"
1321 #define DEFAULT_TMPFILE "GmXXXXXX"
1323 if (((tmpdir
= getenv ("TMPDIR")) == NULL
|| *tmpdir
== '\0')
1324 #if defined __MSDOS__ || defined(WINDOWS32)
1325 /* These are also used commonly on these platforms. */
1326 && ((tmpdir
= getenv ("TEMP")) == NULL
|| *tmpdir
== '\0')
1327 && ((tmpdir
= getenv ("TMP")) == NULL
|| *tmpdir
== '\0')
1330 tmpdir
= DEFAULT_TMPDIR
;
1332 template = (char *) alloca (strlen (tmpdir
)
1333 + sizeof (DEFAULT_TMPFILE
) + 1);
1334 strcpy (template, tmpdir
);
1336 #if defined __MSDOS__ || defined(WINDOWS32)
1337 if (strchr ("/\\", template[strlen (template) - 1]) == NULL
)
1338 strcat (template, "/");
1341 if (template[strlen (template) - 1] != '/')
1342 strcat (template, "/");
1344 #endif /* __MSDOS__ || WINDOWS32 */
1346 strcat (template, DEFAULT_TMPFILE
);
1347 outfile
= open_tmpfile (&stdin_nm
, template);
1349 pfatal_with_name (_("fopen (temporary file)"));
1350 while (!feof (stdin
))
1353 unsigned int n
= fread (buf
, 1, sizeof (buf
), stdin
);
1354 if (n
> 0 && fwrite (buf
, 1, n
, outfile
) != n
)
1355 pfatal_with_name (_("fwrite (temporary file)"));
1357 (void) fclose (outfile
);
1359 /* Replace the name that read_all_makefiles will
1360 see with the name of the temporary file. */
1361 makefiles
->list
[i
] = xstrdup (stdin_nm
);
1363 /* Make sure the temporary file will not be remade. */
1364 f
= enter_file (stdin_nm
);
1366 f
->update_status
= 0;
1367 f
->command_state
= cs_finished
;
1368 /* Can't be intermediate, or it'll be removed too early for
1370 f
->intermediate
= 0;
1375 #if defined(MAKE_JOBSERVER) || !defined(HAVE_WAIT_NOHANG)
1376 /* Set up to handle children dying. This must be done before
1377 reading in the makefiles so that `shell' function calls will work.
1379 If we don't have a hanging wait we have to fall back to old, broken
1380 functionality here and rely on the signal handler and counting
1383 If we're using the jobs pipe we need a signal handler so that
1384 SIGCHLD is not ignored; we need it to interrupt the read(2) of the
1385 jobserver pipe in job.c if we're waiting for a token.
1387 If none of these are true, we don't need a signal handler at all. */
1389 extern RETSIGTYPE child_handler
PARAMS ((int sig
));
1390 # if defined SIGCHLD
1391 bsd_signal (SIGCHLD
, child_handler
);
1393 # if defined SIGCLD && SIGCLD != SIGCHLD
1394 bsd_signal (SIGCLD
, child_handler
);
1399 /* Let the user send us SIGUSR1 to toggle the -d flag during the run. */
1401 bsd_signal (SIGUSR1
, debug_signal_handler
);
1404 /* Define the initial list of suffixes for old-style rules. */
1406 set_default_suffixes ();
1408 /* Define the file rules for the built-in suffix rules. These will later
1409 be converted into pattern rules. We used to do this in
1410 install_default_implicit_rules, but since that happens after reading
1411 makefiles, it results in the built-in pattern rules taking precedence
1412 over makefile-specified suffix rules, which is wrong. */
1414 install_default_suffix_rules ();
1416 /* Define some internal and special variables. */
1418 define_automatic_variables ();
1420 /* Set up the MAKEFLAGS and MFLAGS variables
1421 so makefiles can look at them. */
1423 define_makeflags (0, 0);
1425 /* Define the default variables. */
1426 define_default_variables ();
1428 /* Read all the makefiles. */
1430 default_file
= enter_file (".DEFAULT");
1433 = read_all_makefiles (makefiles
== 0 ? (char **) 0 : makefiles
->list
);
1436 /* look one last time after reading all Makefiles */
1437 if (no_default_sh_exe
)
1438 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1440 if (no_default_sh_exe
&& job_slots
!= 1) {
1441 error (NILF
, _("Do not specify -j or --jobs if sh.exe is not available."));
1442 error (NILF
, _("Resetting make for single job mode."));
1445 #endif /* WINDOWS32 */
1448 /* We need to know what kind of shell we will be using. */
1450 extern int _is_unixy_shell (const char *_path
);
1451 struct variable
*shv
= lookup_variable ("SHELL", 5);
1452 extern int unixy_shell
;
1453 extern char *default_shell
;
1455 if (shv
&& *shv
->value
)
1457 char *shell_path
= recursively_expand(shv
);
1459 if (shell_path
&& _is_unixy_shell (shell_path
))
1464 default_shell
= shell_path
;
1467 #endif /* __MSDOS__ */
1469 /* Decode switches again, in case the variables were set by the makefile. */
1470 decode_env_switches ("MAKEFLAGS", 9);
1472 decode_env_switches ("MFLAGS", 6);
1479 _("Parallel jobs (-j) are not supported on this platform."));
1480 error (NILF
, _("Resetting to single job (-j1) mode."));
1485 #ifdef MAKE_JOBSERVER
1486 /* If the jobserver-fds option is seen, make sure that -j is reasonable. */
1492 for (i
=1; i
< jobserver_fds
->idx
; ++i
)
1493 if (!streq (jobserver_fds
->list
[0], jobserver_fds
->list
[i
]))
1494 fatal (NILF
, _("internal error: multiple --jobserver-fds options"));
1496 /* Now parse the fds string and make sure it has the proper format. */
1498 cp
= jobserver_fds
->list
[0];
1500 if (sscanf (cp
, "%d,%d", &job_fds
[0], &job_fds
[1]) != 2)
1502 _("internal error: invalid --jobserver-fds string `%s'"), cp
);
1504 /* The combination of a pipe + !job_slots means we're using the
1505 jobserver. If !job_slots and we don't have a pipe, we can start
1506 infinite jobs. If we see both a pipe and job_slots >0 that means the
1507 user set -j explicitly. This is broken; in this case obey the user
1508 (ignore the jobserver pipe for this make) but print a message. */
1512 _("warning: -jN forced in submake: disabling jobserver mode."));
1514 /* Create a duplicate pipe, that will be closed in the SIGCHLD
1515 handler. If this fails with EBADF, the parent has closed the pipe
1516 on us because it didn't think we were a submake. If so, print a
1517 warning then default to -j1. */
1519 else if ((job_rfd
= dup (job_fds
[0])) < 0)
1522 pfatal_with_name (_("dup jobserver"));
1525 _("warning: jobserver unavailable: using -j1. Add `+' to parent make rule."));
1533 job_fds
[0] = job_fds
[1] = -1;
1534 free (jobserver_fds
->list
);
1535 free (jobserver_fds
);
1540 /* If we have >1 slot but no jobserver-fds, then we're a top-level make.
1541 Set up the pipe and install the fds option for our children. */
1547 if (pipe (job_fds
) < 0 || (job_rfd
= dup (job_fds
[0])) < 0)
1548 pfatal_with_name (_("creating jobs pipe"));
1550 /* Every make assumes that it always has one job it can run. For the
1551 submakes it's the token they were given by their parent. For the
1552 top make, we just subtract one from the number the user wants. We
1553 want job_slots to be 0 to indicate we're using the jobserver. */
1556 if (write (job_fds
[1], &c
, 1) != 1)
1557 pfatal_with_name (_("init jobserver pipe"));
1559 /* Fill in the jobserver_fds struct for our children. */
1561 jobserver_fds
= (struct stringlist
*)
1562 xmalloc (sizeof (struct stringlist
));
1563 jobserver_fds
->list
= (char **) xmalloc (sizeof (char *));
1564 jobserver_fds
->list
[0] = xmalloc ((sizeof ("1024")*2)+1);
1566 sprintf (jobserver_fds
->list
[0], "%d,%d", job_fds
[0], job_fds
[1]);
1567 jobserver_fds
->idx
= 1;
1568 jobserver_fds
->max
= 1;
1572 /* Set up MAKEFLAGS and MFLAGS again, so they will be right. */
1574 define_makeflags (1, 0);
1576 /* Make each `struct dep' point at the `struct file' for the file
1577 depended on. Also do magic for special targets. */
1581 /* Convert old-style suffix rules to pattern rules. It is important to
1582 do this before installing the built-in pattern rules below, so that
1583 makefile-specified suffix rules take precedence over built-in pattern
1586 convert_to_pattern ();
1588 /* Install the default implicit pattern rules.
1589 This used to be done before reading the makefiles.
1590 But in that case, built-in pattern rules were in the chain
1591 before user-defined ones, so they matched first. */
1593 install_default_implicit_rules ();
1595 /* Compute implicit rule limits. */
1597 count_implicit_rule_limits ();
1599 /* Construct the listings of directories in VPATH lists. */
1601 build_vpath_lists ();
1603 /* Mark files given with -o flags as very old
1604 and as having been updated already, and files given with -W flags as
1605 brand new (time-stamp as far as possible into the future). */
1608 for (p
= old_files
->list
; *p
!= 0; ++p
)
1610 f
= enter_command_line_file (*p
);
1611 f
->last_mtime
= f
->mtime_before_update
= OLD_MTIME
;
1613 f
->update_status
= 0;
1614 f
->command_state
= cs_finished
;
1619 for (p
= new_files
->list
; *p
!= 0; ++p
)
1621 f
= enter_command_line_file (*p
);
1622 f
->last_mtime
= f
->mtime_before_update
= NEW_MTIME
;
1626 /* Initialize the remote job module. */
1629 if (read_makefiles
!= 0)
1631 /* Update any makefiles if necessary. */
1633 FILE_TIMESTAMP
*makefile_mtimes
= 0;
1634 unsigned int mm_idx
= 0;
1635 char **nargv
= argv
;
1637 int orig_db_level
= db_level
;
1639 if (! ISDB (DB_MAKEFILES
))
1642 DB (DB_BASIC
, (_("Updating makefiles....\n")));
1644 /* Remove any makefiles we don't want to try to update.
1645 Also record the current modtimes so we can compare them later. */
1647 register struct dep
*d
, *last
;
1652 register struct file
*f
= d
->file
;
1653 if (f
->double_colon
)
1654 for (f
= f
->double_colon
; f
!= NULL
; f
= f
->prev
)
1656 if (f
->deps
== 0 && f
->cmds
!= 0)
1658 /* This makefile is a :: target with commands, but
1659 no dependencies. So, it will always be remade.
1660 This might well cause an infinite loop, so don't
1661 try to remake it. (This will only happen if
1662 your makefiles are written exceptionally
1663 stupidly; but if you work for Athena, that's how
1664 you write your makefiles.) */
1667 (_("Makefile `%s' might loop; not remaking it.\n"),
1671 read_makefiles
= d
->next
;
1673 last
->next
= d
->next
;
1675 /* Free the storage. */
1678 d
= last
== 0 ? read_makefiles
: last
->next
;
1683 if (f
== NULL
|| !f
->double_colon
)
1685 makefile_mtimes
= (FILE_TIMESTAMP
*)
1686 xrealloc ((char *) makefile_mtimes
,
1687 (mm_idx
+ 1) * sizeof (FILE_TIMESTAMP
));
1688 makefile_mtimes
[mm_idx
++] = file_mtime_no_search (d
->file
);
1695 /* Set up `MAKEFLAGS' specially while remaking makefiles. */
1696 define_makeflags (1, 1);
1698 switch (update_goal_chain (read_makefiles
, 1))
1701 /* The only way this can happen is if the user specified -q and asked
1702 * for one of the makefiles to be remade as a target on the command
1703 * line. Since we're not actually updating anything with -q we can
1704 * treat this as "did nothing".
1712 /* Failed to update. Figure out if we care. */
1714 /* Nonzero if any makefile was successfully remade. */
1716 /* Nonzero if any makefile we care about failed
1717 in updating or could not be found at all. */
1719 register unsigned int i
;
1722 for (i
= 0, d
= read_makefiles
; d
!= 0; ++i
, d
= d
->next
)
1724 /* Reset the considered flag; we may need to look at the file
1725 again to print an error. */
1726 d
->file
->considered
= 0;
1728 if (d
->file
->updated
)
1730 /* This makefile was updated. */
1731 if (d
->file
->update_status
== 0)
1733 /* It was successfully updated. */
1734 any_remade
|= (file_mtime_no_search (d
->file
)
1735 != makefile_mtimes
[i
]);
1737 else if (! (d
->changed
& RM_DONTCARE
))
1739 FILE_TIMESTAMP mtime
;
1740 /* The update failed and this makefile was not
1741 from the MAKEFILES variable, so we care. */
1742 error (NILF
, _("Failed to remake makefile `%s'."),
1744 mtime
= file_mtime_no_search (d
->file
);
1745 any_remade
|= (mtime
!= NONEXISTENT_MTIME
1746 && mtime
!= makefile_mtimes
[i
]);
1750 /* This makefile was not found at all. */
1751 if (! (d
->changed
& RM_DONTCARE
))
1753 /* This is a makefile we care about. See how much. */
1754 if (d
->changed
& RM_INCLUDED
)
1755 /* An included makefile. We don't need
1756 to die, but we do want to complain. */
1758 _("Included makefile `%s' was not found."),
1762 /* A normal makefile. We must die later. */
1763 error (NILF
, _("Makefile `%s' was not found"),
1769 /* Reset this to empty so we get the right error message below. */
1781 /* Updated successfully. Re-exec ourselves. */
1783 remove_intermediates (0);
1785 if (print_data_base_flag
)
1788 log_working_directory (0);
1792 /* These names might have changed. */
1793 register unsigned int i
, j
= 0;
1794 for (i
= 1; i
< argc
; ++i
)
1795 if (strneq (argv
[i
], "-f", 2)) /* XXX */
1797 char *p
= &argv
[i
][2];
1799 argv
[++i
] = makefiles
->list
[j
];
1801 argv
[i
] = concat ("-f", makefiles
->list
[j
], "");
1806 /* Add -o option for the stdin temporary file, if necessary. */
1809 nargv
= (char **) xmalloc ((nargc
+ 2) * sizeof (char *));
1810 bcopy ((char *) argv
, (char *) nargv
, argc
* sizeof (char *));
1811 nargv
[nargc
++] = concat ("-o", stdin_nm
, "");
1815 if (directories
!= 0 && directories
->idx
> 0)
1818 if (directory_before_chdir
!= 0)
1820 if (chdir (directory_before_chdir
) < 0)
1822 perror_with_name ("chdir", "");
1831 fatal (NILF
, _("Couldn't change back to original directory."));
1835 for (p
= environ
; *p
!= 0; ++p
)
1836 if ((*p
)[MAKELEVEL_LENGTH
] == '='
1837 && strneq (*p
, MAKELEVEL_NAME
, MAKELEVEL_LENGTH
))
1839 /* The SGI compiler apparently can't understand
1840 the concept of storing the result of a function
1841 in something other than a local variable. */
1843 sgi_loses
= (char *) alloca (40);
1845 sprintf (*p
, "%s=%u", MAKELEVEL_NAME
, makelevel
);
1853 len
= GetVar (MAKELEVEL_NAME
, buffer
, sizeof (buffer
), GVF_GLOBAL_ONLY
);
1857 sprintf (buffer
, "%u", makelevel
);
1858 SetVar (MAKELEVEL_NAME
, buffer
, -1, GVF_GLOBAL_ONLY
);
1863 if (ISDB (DB_BASIC
))
1866 fputs (_("Re-executing:"), stdout
);
1867 for (p
= nargv
; *p
!= 0; ++p
)
1875 /* Close the dup'd jobserver pipe if we opened one. */
1880 exec_command (nargv
, environ
);
1882 exec_command (nargv
);
1888 #define BOGUS_UPDATE_STATUS 0
1889 assert (BOGUS_UPDATE_STATUS
);
1893 db_level
= orig_db_level
;
1896 /* Set up `MAKEFLAGS' again for the normal targets. */
1897 define_makeflags (1, 0);
1899 /* If there is a temp file from reading a makefile from stdin, get rid of
1901 if (stdin_nm
&& unlink (stdin_nm
) < 0 && errno
!= ENOENT
)
1902 perror_with_name (_("unlink (temporary file): "), stdin_nm
);
1907 /* If there were no command-line goals, use the default. */
1910 if (default_goal_file
!= 0)
1912 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
1915 goals
->ignore_mtime
= 0;
1916 goals
->file
= default_goal_file
;
1924 if (read_makefiles
== 0)
1925 fatal (NILF
, _("No targets specified and no makefile found"));
1927 fatal (NILF
, _("No targets"));
1930 /* Update the goals. */
1932 DB (DB_BASIC
, (_("Updating goal targets....\n")));
1934 switch (update_goal_chain (goals
, 0))
1937 /* Nothing happened. */
1939 /* Updated successfully. */
1940 status
= MAKE_SUCCESS
;
1943 /* We are under -q and would run some commands. */
1944 status
= MAKE_TROUBLE
;
1947 /* Updating failed. POSIX.2 specifies exit status >1 for this;
1948 but in VMS, there is only success and failure. */
1949 status
= MAKE_FAILURE
;
1955 /* If we detected some clock skew, generate one last warning */
1956 if (clock_skew_detected
)
1958 _("warning: Clock skew detected. Your build may be incomplete."));
1967 /* Parsing of arguments, decoding of switches. */
1969 static char options
[1 + sizeof (switches
) / sizeof (switches
[0]) * 3];
1970 static struct option long_options
[(sizeof (switches
) / sizeof (switches
[0])) +
1971 (sizeof (long_option_aliases
) /
1972 sizeof (long_option_aliases
[0]))];
1974 /* Fill in the string and vector for getopt. */
1980 register unsigned int i
;
1982 if (options
[0] != '\0')
1988 /* Return switch and non-switch args in order, regardless of
1989 POSIXLY_CORRECT. Non-switch args are returned as option 1. */
1992 for (i
= 0; switches
[i
].c
!= '\0'; ++i
)
1994 long_options
[i
].name
= (switches
[i
].long_name
== 0 ? "" :
1995 switches
[i
].long_name
);
1996 long_options
[i
].flag
= 0;
1997 long_options
[i
].val
= switches
[i
].c
;
1998 if (short_option (switches
[i
].c
))
1999 *p
++ = switches
[i
].c
;
2000 switch (switches
[i
].type
)
2005 long_options
[i
].has_arg
= no_argument
;
2011 if (short_option (switches
[i
].c
))
2013 if (switches
[i
].noarg_value
!= 0)
2015 if (short_option (switches
[i
].c
))
2017 long_options
[i
].has_arg
= optional_argument
;
2020 long_options
[i
].has_arg
= required_argument
;
2025 for (c
= 0; c
< (sizeof (long_option_aliases
) /
2026 sizeof (long_option_aliases
[0]));
2028 long_options
[i
++] = long_option_aliases
[c
];
2029 long_options
[i
].name
= 0;
2033 handle_non_switch_argument (arg
, env
)
2037 /* Non-option argument. It might be a variable definition. */
2039 if (arg
[0] == '-' && arg
[1] == '\0')
2040 /* Ignore plain `-' for compatibility. */
2042 v
= try_variable_definition (0, arg
, o_command
, 0);
2045 /* It is indeed a variable definition. Record a pointer to
2046 the variable for later use in define_makeflags. */
2047 struct command_variable
*cv
2048 = (struct command_variable
*) xmalloc (sizeof (*cv
));
2050 cv
->next
= command_variables
;
2051 command_variables
= cv
;
2055 /* Not an option or variable definition; it must be a goal
2056 target! Enter it as a file and add it to the dep chain of
2058 struct file
*f
= enter_command_line_file (arg
);
2063 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
2068 lastgoal
->next
= (struct dep
*) xmalloc (sizeof (struct dep
));
2069 lastgoal
= lastgoal
->next
;
2073 lastgoal
->ignore_mtime
= 0;
2076 /* Add this target name to the MAKECMDGOALS variable. */
2080 v
= lookup_variable ("MAKECMDGOALS", 12);
2085 /* Paste the old and new values together */
2086 unsigned int oldlen
, newlen
;
2088 oldlen
= strlen (v
->value
);
2089 newlen
= strlen (f
->name
);
2090 value
= (char *) alloca (oldlen
+ 1 + newlen
+ 1);
2091 bcopy (v
->value
, value
, oldlen
);
2092 value
[oldlen
] = ' ';
2093 bcopy (f
->name
, &value
[oldlen
+ 1], newlen
+ 1);
2095 define_variable ("MAKECMDGOALS", 12, value
, o_default
, 0);
2100 /* Print a nice usage method. */
2106 extern char *make_host
;
2107 register const struct command_switch
*cs
;
2110 if (print_version_flag
)
2113 usageto
= bad
? stderr
: stdout
;
2115 fprintf (usageto
, _("Usage: %s [options] [target] ...\n"), program
);
2117 fputs (_("Options:\n"), usageto
);
2118 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2120 char buf
[1024], shortarg
[50], longarg
[50], *p
;
2122 if (!cs
->description
|| cs
->description
[0] == '-')
2125 switch (long_options
[cs
- switches
].has_arg
)
2128 shortarg
[0] = longarg
[0] = '\0';
2130 case required_argument
:
2131 sprintf (longarg
, "=%s", gettext (cs
->argdesc
));
2132 sprintf (shortarg
, " %s", gettext (cs
->argdesc
));
2134 case optional_argument
:
2135 sprintf (longarg
, "[=%s]", gettext (cs
->argdesc
));
2136 sprintf (shortarg
, " [%s]", gettext (cs
->argdesc
));
2142 if (short_option (cs
->c
))
2144 sprintf (buf
, " -%c%s", cs
->c
, shortarg
);
2147 if (cs
->long_name
!= 0)
2150 sprintf (p
, "%s--%s%s",
2151 !short_option (cs
->c
) ? " " : ", ",
2152 cs
->long_name
, longarg
);
2154 for (i
= 0; i
< (sizeof (long_option_aliases
) /
2155 sizeof (long_option_aliases
[0]));
2157 if (long_option_aliases
[i
].val
== cs
->c
)
2159 sprintf (p
, ", --%s%s",
2160 long_option_aliases
[i
].name
, longarg
);
2165 const struct command_switch
*ncs
= cs
;
2166 while ((++ncs
)->c
!= '\0')
2167 if (ncs
->description
2168 && ncs
->description
[0] == '-'
2169 && ncs
->description
[1] == cs
->c
)
2171 /* This is another switch that does the same
2172 one as the one we are processing. We want
2173 to list them all together on one line. */
2174 sprintf (p
, ", -%c%s", ncs
->c
, shortarg
);
2176 if (ncs
->long_name
!= 0)
2178 sprintf (p
, ", --%s%s", ncs
->long_name
, longarg
);
2184 if (p
- buf
> DESCRIPTION_COLUMN
- 2)
2185 /* The list of option names is too long to fit on the same
2186 line with the description, leaving at least two spaces.
2187 Print it on its own line instead. */
2189 fprintf (usageto
, "%s\n", buf
);
2193 fprintf (usageto
, "%*s%s.\n",
2194 - DESCRIPTION_COLUMN
,
2195 buf
, gettext (cs
->description
));
2198 if (!remote_description
|| *remote_description
== '\0')
2199 fprintf (usageto
, _("\nThis program built for %s"), make_host
);
2201 fprintf (usageto
, "\nThis program built for %s (%s)", make_host
, remote_description
);
2203 fprintf (usageto
, _("\nReport bugs to <bug-make@gnu.org>\n"));
2206 /* Decode switches from ARGC and ARGV.
2207 They came from the environment if ENV is nonzero. */
2210 decode_switches (argc
, argv
, env
)
2216 register const struct command_switch
*cs
;
2217 register struct stringlist
*sl
;
2220 /* getopt does most of the parsing for us.
2221 First, get its vectors set up. */
2225 /* Let getopt produce error messages for the command line,
2226 but not for options from the environment. */
2228 /* Reset getopt's state. */
2231 while (optind
< argc
)
2233 /* Parse the next argument. */
2234 c
= getopt_long (argc
, argv
, options
, long_options
, (int *) 0);
2236 /* End of arguments, or "--" marker seen. */
2239 /* An argument not starting with a dash. */
2240 handle_non_switch_argument (optarg
, env
);
2242 /* Bad option. We will print a usage message and die later.
2243 But continue to parse the other options so the user can
2244 see all he did wrong. */
2247 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2250 /* Whether or not we will actually do anything with
2251 this switch. We test this individually inside the
2252 switch below rather than just once outside it, so that
2253 options which are to be ignored still consume args. */
2254 int doit
= !env
|| cs
->env
;
2267 *(int *) cs
->value_ptr
= cs
->type
== flag
;
2275 optarg
= cs
->noarg_value
;
2277 sl
= *(struct stringlist
**) cs
->value_ptr
;
2280 sl
= (struct stringlist
*)
2281 xmalloc (sizeof (struct stringlist
));
2284 sl
->list
= (char **) xmalloc (5 * sizeof (char *));
2285 *(struct stringlist
**) cs
->value_ptr
= sl
;
2287 else if (sl
->idx
== sl
->max
- 1)
2290 sl
->list
= (char **)
2291 xrealloc ((char *) sl
->list
,
2292 sl
->max
* sizeof (char *));
2294 sl
->list
[sl
->idx
++] = optarg
;
2295 sl
->list
[sl
->idx
] = 0;
2299 /* See if we have an option argument; if we do require that
2300 it's all digits, not something like "10foo". */
2301 if (optarg
== 0 && argc
> optind
)
2304 for (cp
=argv
[optind
]; ISDIGIT (cp
[0]); ++cp
)
2307 optarg
= argv
[optind
++];
2315 int i
= atoi (optarg
);
2318 /* Yes, I realize we're repeating this in some cases. */
2319 for (cp
= optarg
; ISDIGIT (cp
[0]); ++cp
)
2322 if (i
< 1 || cp
[0] != '\0')
2324 error (NILF
, _("the `-%c' option requires a positive integral argument"),
2329 *(unsigned int *) cs
->value_ptr
= i
;
2332 *(unsigned int *) cs
->value_ptr
2333 = *(unsigned int *) cs
->noarg_value
;
2338 if (optarg
== 0 && optind
< argc
2339 && (ISDIGIT (argv
[optind
][0]) || argv
[optind
][0] == '.'))
2340 optarg
= argv
[optind
++];
2343 *(double *) cs
->value_ptr
2344 = (optarg
!= 0 ? atof (optarg
)
2345 : *(double *) cs
->noarg_value
);
2351 /* We've found the switch. Stop looking. */
2356 /* There are no more options according to getting getopt, but there may
2357 be some arguments left. Since we have asked for non-option arguments
2358 to be returned in order, this only happens when there is a "--"
2359 argument to prevent later arguments from being options. */
2360 while (optind
< argc
)
2361 handle_non_switch_argument (argv
[optind
++], env
);
2364 if (!env
&& (bad
|| print_usage_flag
))
2371 /* Decode switches from environment variable ENVAR (which is LEN chars long).
2372 We do this by chopping the value into a vector of words, prepending a
2373 dash to the first word if it lacks one, and passing the vector to
2377 decode_env_switches (envar
, len
)
2381 char *varref
= (char *) alloca (2 + len
+ 2);
2386 /* Get the variable's value. */
2389 bcopy (envar
, &varref
[2], len
);
2390 varref
[2 + len
] = ')';
2391 varref
[2 + len
+ 1] = '\0';
2392 value
= variable_expand (varref
);
2394 /* Skip whitespace, and check for an empty value. */
2395 value
= next_token (value
);
2396 len
= strlen (value
);
2400 /* Allocate a vector that is definitely big enough. */
2401 argv
= (char **) alloca ((1 + len
+ 1) * sizeof (char *));
2403 /* Allocate a buffer to copy the value into while we split it into words
2404 and unquote it. We must use permanent storage for this because
2405 decode_switches may store pointers into the passed argument words. */
2406 p
= (char *) xmalloc (2 * len
);
2408 /* getopt will look at the arguments starting at ARGV[1].
2409 Prepend a spacer word. */
2413 while (*value
!= '\0')
2415 if (*value
== '\\' && value
[1] != '\0')
2416 ++value
; /* Skip the backslash. */
2417 else if (isblank ((unsigned char)*value
))
2419 /* End of the word. */
2424 while (isblank ((unsigned char)*value
));
2432 if (argv
[1][0] != '-' && strchr (argv
[1], '=') == 0)
2433 /* The first word doesn't start with a dash and isn't a variable
2434 definition. Add a dash and pass it along to decode_switches. We
2435 need permanent storage for this in case decode_switches saves
2436 pointers into the value. */
2437 argv
[1] = concat ("-", argv
[1], "");
2439 /* Parse those words. */
2440 decode_switches (argc
, argv
, 1);
2443 /* Quote the string IN so that it will be interpreted as a single word with
2444 no magic by decode_env_switches; also double dollar signs to avoid
2445 variable expansion in make itself. Write the result into OUT, returning
2446 the address of the next character to be written.
2447 Allocating space for OUT twice the length of IN is always sufficient. */
2450 quote_for_env (out
, in
)
2457 else if (isblank ((unsigned char)*in
) || *in
== '\\')
2465 /* Define the MAKEFLAGS and MFLAGS variables to reflect the settings of the
2466 command switches. Include options with args if ALL is nonzero.
2467 Don't include options with the `no_makefile' flag set if MAKEFILE. */
2470 define_makeflags (all
, makefile
)
2473 static const char ref
[] = "$(MAKEOVERRIDES)";
2474 static const char posixref
[] = "$(-*-command-variables-*-)";
2475 register const struct command_switch
*cs
;
2481 /* We will construct a linked list of `struct flag's describing
2482 all the flags which need to go in MAKEFLAGS. Then, once we
2483 know how many there are and their lengths, we can put them all
2484 together in a string. */
2489 const struct command_switch
*cs
;
2492 struct flag
*flags
= 0;
2493 unsigned int flagslen
= 0;
2494 #define ADD_FLAG(ARG, LEN) \
2496 struct flag *new = (struct flag *) alloca (sizeof (struct flag)); \
2499 new->next = flags; \
2501 if (new->arg == 0) \
2502 ++flagslen; /* Just a single flag letter. */ \
2504 flagslen += 1 + 1 + 1 + 1 + 3 * (LEN); /* " -x foo" */ \
2505 if (!short_option (cs->c)) \
2506 /* This switch has no single-letter version, so we use the long. */ \
2507 flagslen += 2 + strlen (cs->long_name); \
2510 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2511 if (cs
->toenv
&& (!makefile
|| !cs
->no_makefile
))
2522 if (!*(int *) cs
->value_ptr
== (cs
->type
== flag_off
)
2523 && (cs
->default_value
== 0
2524 || *(int *) cs
->value_ptr
!= *(int *) cs
->default_value
))
2531 if ((cs
->default_value
!= 0
2532 && (*(unsigned int *) cs
->value_ptr
2533 == *(unsigned int *) cs
->default_value
)))
2535 else if (cs
->noarg_value
!= 0
2536 && (*(unsigned int *) cs
->value_ptr
==
2537 *(unsigned int *) cs
->noarg_value
))
2538 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2539 else if (cs
->c
== 'j')
2540 /* Special case for `-j'. */
2544 char *buf
= (char *) alloca (30);
2545 sprintf (buf
, "%u", *(unsigned int *) cs
->value_ptr
);
2546 ADD_FLAG (buf
, strlen (buf
));
2555 if (cs
->default_value
!= 0
2556 && (*(double *) cs
->value_ptr
2557 == *(double *) cs
->default_value
))
2559 else if (cs
->noarg_value
!= 0
2560 && (*(double *) cs
->value_ptr
2561 == *(double *) cs
->noarg_value
))
2562 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2565 char *buf
= (char *) alloca (100);
2566 sprintf (buf
, "%g", *(double *) cs
->value_ptr
);
2567 ADD_FLAG (buf
, strlen (buf
));
2576 struct stringlist
*sl
= *(struct stringlist
**) cs
->value_ptr
;
2579 /* Add the elements in reverse order, because
2580 all the flags get reversed below; and the order
2581 matters for some switches (like -I). */
2582 register unsigned int i
= sl
->idx
;
2584 ADD_FLAG (sl
->list
[i
], strlen (sl
->list
[i
]));
2590 flagslen
+= 4 + sizeof posixref
; /* Four more for the possible " -- ". */
2594 /* Construct the value in FLAGSTRING.
2595 We allocate enough space for a preceding dash and trailing null. */
2596 flagstring
= (char *) alloca (1 + flagslen
+ 1);
2597 bzero (flagstring
, 1 + flagslen
+ 1);
2603 /* Add the flag letter or name to the string. */
2604 if (short_option (flags
->cs
->c
))
2605 *p
++ = flags
->cs
->c
;
2614 strcpy (p
, flags
->cs
->long_name
);
2617 if (flags
->arg
!= 0)
2619 /* A flag that takes an optional argument which in this case is
2620 omitted is specified by ARG being "". We must distinguish
2621 because a following flag appended without an intervening " -"
2622 is considered the arg for the first. */
2623 if (flags
->arg
[0] != '\0')
2625 /* Add its argument too. */
2626 *p
++ = !short_option (flags
->cs
->c
) ? '=' : ' ';
2627 p
= quote_for_env (p
, flags
->arg
);
2630 /* Write a following space and dash, for the next flag. */
2634 else if (!short_option (flags
->cs
->c
))
2637 /* Long options must each go in their own word,
2638 so we write the following space and dash. */
2642 flags
= flags
->next
;
2645 /* Define MFLAGS before appending variable definitions. */
2647 if (p
== &flagstring
[1])
2649 flagstring
[0] = '\0';
2650 else if (p
[-1] == '-')
2652 /* Kill the final space and dash. */
2657 /* Terminate the string. */
2660 /* Since MFLAGS is not parsed for flags, there is no reason to
2661 override any makefile redefinition. */
2662 (void) define_variable ("MFLAGS", 6, flagstring
, o_env
, 1);
2664 if (all
&& command_variables
!= 0)
2666 /* Now write a reference to $(MAKEOVERRIDES), which contains all the
2667 command-line variable definitions. */
2669 if (p
== &flagstring
[1])
2670 /* No flags written, so elide the leading dash already written. */
2674 /* Separate the variables from the switches with a "--" arg. */
2677 /* We did not already write a trailing " -". */
2681 /* There is a trailing " -"; fill it out to " -- ". */
2686 /* Copy in the string. */
2689 bcopy (posixref
, p
, sizeof posixref
- 1);
2690 p
+= sizeof posixref
- 1;
2694 bcopy (ref
, p
, sizeof ref
- 1);
2695 p
+= sizeof ref
- 1;
2698 else if (p
== &flagstring
[1])
2703 else if (p
[-1] == '-')
2704 /* Kill the final space and dash. */
2706 /* Terminate the string. */
2709 v
= define_variable ("MAKEFLAGS", 9,
2710 /* If there are switches, omit the leading dash
2711 unless it is a single long option with two
2713 &flagstring
[(flagstring
[0] == '-'
2714 && flagstring
[1] != '-')
2716 /* This used to use o_env, but that lost when a
2717 makefile defined MAKEFLAGS. Makefiles set
2718 MAKEFLAGS to add switches, but we still want
2719 to redefine its value with the full set of
2720 switches. Of course, an override or command
2721 definition will still take precedence. */
2724 /* The first time we are called, set MAKEFLAGS to always be exported.
2725 We should not do this again on the second call, because that is
2726 after reading makefiles which might have done `unexport MAKEFLAGS'. */
2727 v
->export
= v_export
;
2730 /* Print version information. */
2735 static int printed_version
= 0;
2737 char *precede
= print_data_base_flag
? "# " : "";
2739 if (printed_version
)
2740 /* Do it only once. */
2743 /* Print this untranslated. The coding standards recommend translating the
2744 (C) to the copyright symbol, but this string is going to change every
2745 year, and none of the rest of it should be translated (including the
2746 word "Copyright", so it hardly seems worth it. */
2748 printf ("%sGNU Make %s\n\
2749 %sCopyright (C) 2002 Free Software Foundation, Inc.\n",
2750 precede
, version_string
, precede
);
2752 printf (_("%sThis is free software; see the source for copying conditions.\n\
2753 %sThere is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
2754 %sPARTICULAR PURPOSE.\n"),
2755 precede
, precede
, precede
);
2757 printed_version
= 1;
2759 /* Flush stdout so the user doesn't have to wait to see the
2760 version information while things are thought about. */
2764 /* Print a bunch of information about this and that. */
2771 when
= time ((time_t *) 0);
2772 printf (_("\n# Make data base, printed on %s"), ctime (&when
));
2774 print_variable_data_base ();
2775 print_dir_data_base ();
2776 print_rule_data_base ();
2777 print_file_data_base ();
2778 print_vpath_data_base ();
2780 when
= time ((time_t *) 0);
2781 printf (_("\n# Finished Make data base on %s\n"), ctime (&when
));
2784 /* Exit with STATUS, cleaning up as necessary. */
2790 static char dying
= 0;
2798 if (print_version_flag
)
2801 /* Wait for children to die. */
2802 for (err
= (status
!= 0); job_slots_used
> 0; err
= 0)
2803 reap_children (1, err
);
2805 /* Let the remote job module clean up its state. */
2808 /* Remove the intermediate files. */
2809 remove_intermediates (0);
2811 if (print_data_base_flag
)
2814 /* Try to move back to the original directory. This is essential on
2815 MS-DOS (where there is really only one process), and on Unix it
2816 puts core files in the original directory instead of the -C
2817 directory. Must wait until after remove_intermediates(), or unlinks
2818 of relative pathnames fail. */
2819 if (directory_before_chdir
!= 0)
2820 chdir (directory_before_chdir
);
2822 log_working_directory (0);
2828 /* Write a message indicating that we've just entered or
2829 left (according to ENTERING) the current directory. */
2832 log_working_directory (entering
)
2835 static int entered
= 0;
2837 /* Print nothing without the flag. Don't print the entering message
2838 again if we already have. Don't print the leaving message if we
2839 haven't printed the entering message. */
2840 if (! print_directory_flag
|| entering
== entered
)
2845 if (print_data_base_flag
)
2846 fputs ("# ", stdout
);
2848 /* Use entire sentences to give the translators a fighting chance. */
2851 if (starting_directory
== 0)
2853 printf (_("%s: Entering an unknown directory"), program
);
2855 printf (_("%s: Leaving an unknown directory"), program
);
2858 printf (_("%s: Entering directory `%s'\n"),
2859 program
, starting_directory
);
2861 printf (_("%s: Leaving directory `%s'\n"),
2862 program
, starting_directory
);
2864 if (starting_directory
== 0)
2866 printf (_("%s[%u]: Entering an unknown directory"),
2867 program
, makelevel
);
2869 printf (_("%s[%u]: Leaving an unknown directory"),
2870 program
, makelevel
);
2873 printf (_("%s[%u]: Entering directory `%s'\n"),
2874 program
, makelevel
, starting_directory
);
2876 printf (_("%s[%u]: Leaving directory `%s'\n"),
2877 program
, makelevel
, starting_directory
);