1 /* Argument parsing and main program of GNU Make.
2 Copyright (C) 1988, 1989, 1990, 1991, 1994, 1995, 1996, 1997, 1998, 1999,
3 2002, 2003 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>
39 #include "pathstuff.h"
42 # include <sys/types.h>
43 # include <sys/wait.h>
50 int __stack
= 20000; /* Make sure we have 20K of stack space */
53 extern void init_dir
PARAMS ((void));
54 extern void remote_setup
PARAMS ((void));
55 extern void remote_cleanup
PARAMS ((void));
56 extern RETSIGTYPE fatal_error_signal
PARAMS ((int sig
));
58 extern void print_variable_data_base
PARAMS ((void));
59 extern void print_dir_data_base
PARAMS ((void));
60 extern void print_rule_data_base
PARAMS ((void));
61 extern void print_file_data_base
PARAMS ((void));
62 extern void print_vpath_data_base
PARAMS ((void));
64 #if defined HAVE_WAITPID || defined HAVE_WAIT3
65 # define HAVE_WAIT_NOHANG
72 # ifndef sun /* Sun has an incorrect decl in a header. */
73 extern void exit
PARAMS ((int)) __attribute__ ((noreturn
));
75 extern double atof ();
78 static void print_data_base
PARAMS ((void));
79 static void print_version
PARAMS ((void));
80 static void decode_switches
PARAMS ((int argc
, char **argv
, int env
));
81 static void decode_env_switches
PARAMS ((char *envar
, unsigned int len
));
82 static void define_makeflags
PARAMS ((int all
, int makefile
));
83 static char *quote_for_env
PARAMS ((char *out
, char *in
));
84 static void initialize_global_hash_tables
PARAMS ((void));
87 /* The structure that describes an accepted command switch. */
91 int c
; /* The switch character. */
93 enum /* Type of the value. */
95 flag
, /* Turn int flag on. */
96 flag_off
, /* Turn int flag off. */
97 string
, /* One string per switch. */
98 positive_int
, /* A positive integer. */
99 floating
, /* A floating-point number (double). */
100 ignore
/* Ignored. */
103 char *value_ptr
; /* Pointer to the value-holding variable. */
105 unsigned int env
:1; /* Can come from MAKEFLAGS. */
106 unsigned int toenv
:1; /* Should be put in MAKEFLAGS. */
107 unsigned int no_makefile
:1; /* Don't propagate when remaking makefiles. */
109 char *noarg_value
; /* Pointer to value used if no argument is given. */
110 char *default_value
;/* Pointer to default value. */
112 char *long_name
; /* Long option name. */
115 /* True if C is a switch value that corresponds to a short option. */
117 #define short_option(c) ((c) <= CHAR_MAX)
119 /* The structure used to hold the list of strings given
120 in command switches of a type that takes string arguments. */
124 char **list
; /* Nil-terminated list of strings. */
125 unsigned int idx
; /* Index into above. */
126 unsigned int max
; /* Number of pointers allocated. */
130 /* The recognized command switches. */
132 /* Nonzero means do not print commands to be executed (-s). */
136 /* Nonzero means just touch the files
137 that would appear to need remaking (-t) */
141 /* Nonzero means just print what commands would need to be executed,
142 don't actually execute them (-n). */
146 /* Print debugging info (--debug). */
148 static struct stringlist
*db_flags
;
149 static int debug_flag
= 0;
154 /* Suspend make in main for a short time to allow debugger to attach */
156 int suspend_flag
= 0;
159 /* Environment variables override makefile definitions. */
161 int env_overrides
= 0;
163 /* Nonzero means ignore status codes returned by commands
164 executed to remake files. Just treat them all as successful (-i). */
166 int ignore_errors_flag
= 0;
168 /* Nonzero means don't remake anything, just print the data base
169 that results from reading the makefile (-p). */
171 int print_data_base_flag
= 0;
173 /* Nonzero means don't remake anything; just return a nonzero status
174 if the specified targets are not up to date (-q). */
176 int question_flag
= 0;
178 /* Nonzero means do not use any of the builtin rules (-r) / variables (-R). */
180 int no_builtin_rules_flag
= 0;
181 int no_builtin_variables_flag
= 0;
183 /* Nonzero means keep going even if remaking some file fails (-k). */
186 int default_keep_going_flag
= 0;
188 /* Nonzero means print directory before starting and when done (-w). */
190 int print_directory_flag
= 0;
192 /* Nonzero means ignore print_directory_flag and never print the directory.
193 This is necessary because print_directory_flag is set implicitly. */
195 int inhibit_print_directory_flag
= 0;
197 /* Nonzero means print version information. */
199 int print_version_flag
= 0;
201 /* List of makefiles given with -f switches. */
203 static struct stringlist
*makefiles
= 0;
205 /* Number of job slots (commands that can be run at once). */
207 unsigned int job_slots
= 1;
208 unsigned int default_job_slots
= 1;
210 /* Value of job_slots that means no limit. */
212 static unsigned int inf_jobs
= 0;
214 /* File descriptors for the jobs pipe. */
216 static struct stringlist
*jobserver_fds
= 0;
218 int job_fds
[2] = { -1, -1 };
221 /* Maximum load average at which multiple jobs will be run.
222 Negative values mean unlimited, while zero means limit to
223 zero load (which could be useful to start infinite jobs remotely
224 but one at a time locally). */
226 double max_load_average
= -1.0;
227 double default_load_average
= -1.0;
229 int max_load_average
= -1;
230 int default_load_average
= -1;
233 /* List of directories given with -C switches. */
235 static struct stringlist
*directories
= 0;
237 /* List of include directories given with -I switches. */
239 static struct stringlist
*include_directories
= 0;
241 /* List of files given with -o switches. */
243 static struct stringlist
*old_files
= 0;
245 /* List of files given with -W switches. */
247 static struct stringlist
*new_files
= 0;
249 /* If nonzero, we should just print usage and exit. */
251 static int print_usage_flag
= 0;
253 /* If nonzero, we should print a warning message
254 for each reference to an undefined variable. */
256 int warn_undefined_variables_flag
;
258 /* If nonzero, always build all targets, regardless of whether
259 they appear out of date or not. */
261 int always_make_flag
= 0;
263 /* If nonzero, we're in the "try to rebuild makefiles" phase. */
265 int rebuilding_makefiles
= 0;
268 /* The usage output. We write it this way to make life easier for the
269 translators, especially those trying to translate to right-to-left
270 languages like Hebrew. */
272 static const char *const usage
[] =
276 -b, -m Ignored for compatibility.\n"),
278 -B, --always-make Unconditionally make all targets.\n"),
280 -C DIRECTORY, --directory=DIRECTORY\n\
281 Change to DIRECTORY before doing anything.\n"),
283 -d Print lots of debugging information.\n"),
285 --debug[=FLAGS] Print various types of debugging information.\n"),
287 -e, --environment-overrides\n\
288 Environment variables override makefiles.\n"),
290 -f FILE, --file=FILE, --makefile=FILE\n\
291 Read FILE as a makefile.\n"),
293 -h, --help Print this message and exit.\n"),
295 -i, --ignore-errors Ignore errors from commands.\n"),
297 -I DIRECTORY, --include-dir=DIRECTORY\n\
298 Search DIRECTORY for included makefiles.\n"),
300 -j [N], --jobs[=N] Allow N jobs at once; infinite jobs with no arg.\n"),
302 -k, --keep-going Keep going when some targets can't be made.\n"),
304 -l [N], --load-average[=N], --max-load[=N]\n\
305 Don't start multiple jobs unless load is below N.\n"),
307 -n, --just-print, --dry-run, --recon\n\
308 Don't actually run any commands; just print them.\n"),
310 -o FILE, --old-file=FILE, --assume-old=FILE\n\
311 Consider FILE to be very old and don't remake it.\n"),
313 -p, --print-data-base Print make's internal database.\n"),
315 -q, --question Run no commands; exit status says if up to date.\n"),
317 -r, --no-builtin-rules Disable the built-in implicit rules.\n"),
319 -R, --no-builtin-variables Disable the built-in variable settings.\n"),
321 -s, --silent, --quiet Don't echo commands.\n"),
323 -S, --no-keep-going, --stop\n\
326 -t, --touch Touch targets instead of remaking them.\n"),
328 -v, --version Print the version number of make and exit.\n"),
330 -w, --print-directory Print the current directory.\n"),
332 --no-print-directory Turn off -w, even if it was turned on implicitly.\n"),
334 -W FILE, --what-if=FILE, --new-file=FILE, --assume-new=FILE\n\
335 Consider FILE to be infinitely new.\n"),
337 --warn-undefined-variables Warn when an undefined variable is referenced.\n"),
341 /* The table of command switches. */
343 static const struct command_switch switches
[] =
345 { 'b', ignore
, 0, 0, 0, 0, 0, 0, 0 },
346 { 'B', flag
, (char *) &always_make_flag
, 1, 1, 0, 0, 0, "always-make" },
347 { 'C', string
, (char *) &directories
, 0, 0, 0, 0, 0, "directory" },
348 { 'd', flag
, (char *) &debug_flag
, 1, 1, 0, 0, 0, 0 },
349 { CHAR_MAX
+1, string
, (char *) &db_flags
, 1, 1, 0, "basic", 0, "debug" },
351 { 'D', flag
, (char *) &suspend_flag
, 1, 1, 0, 0, 0, "suspend-for-debug" },
353 { 'e', flag
, (char *) &env_overrides
, 1, 1, 0, 0, 0,
354 "environment-overrides", },
355 { 'f', string
, (char *) &makefiles
, 0, 0, 0, 0, 0, "file" },
356 { 'h', flag
, (char *) &print_usage_flag
, 0, 0, 0, 0, 0, "help" },
357 { 'i', flag
, (char *) &ignore_errors_flag
, 1, 1, 0, 0, 0,
359 { 'I', string
, (char *) &include_directories
, 1, 1, 0, 0, 0,
361 { 'j', positive_int
, (char *) &job_slots
, 1, 1, 0, (char *) &inf_jobs
,
362 (char *) &default_job_slots
, "jobs" },
363 { CHAR_MAX
+2, string
, (char *) &jobserver_fds
, 1, 1, 0, 0, 0,
365 { 'k', flag
, (char *) &keep_going_flag
, 1, 1, 0, 0,
366 (char *) &default_keep_going_flag
, "keep-going" },
368 { 'l', floating
, (char *) &max_load_average
, 1, 1, 0,
369 (char *) &default_load_average
, (char *) &default_load_average
,
372 { 'l', positive_int
, (char *) &max_load_average
, 1, 1, 0,
373 (char *) &default_load_average
, (char *) &default_load_average
,
376 { 'm', ignore
, 0, 0, 0, 0, 0, 0, 0 },
377 { 'n', flag
, (char *) &just_print_flag
, 1, 1, 1, 0, 0, "just-print" },
378 { 'o', string
, (char *) &old_files
, 0, 0, 0, 0, 0, "old-file" },
379 { 'p', flag
, (char *) &print_data_base_flag
, 1, 1, 0, 0, 0,
381 { 'q', flag
, (char *) &question_flag
, 1, 1, 1, 0, 0, "question" },
382 { 'r', flag
, (char *) &no_builtin_rules_flag
, 1, 1, 0, 0, 0,
383 "no-builtin-rules" },
384 { 'R', flag
, (char *) &no_builtin_variables_flag
, 1, 1, 0, 0, 0,
385 "no-builtin-variables" },
386 { 's', flag
, (char *) &silent_flag
, 1, 1, 0, 0, 0, "silent" },
387 { 'S', flag_off
, (char *) &keep_going_flag
, 1, 1, 0, 0,
388 (char *) &default_keep_going_flag
, "no-keep-going" },
389 { 't', flag
, (char *) &touch_flag
, 1, 1, 1, 0, 0, "touch" },
390 { 'v', flag
, (char *) &print_version_flag
, 1, 1, 0, 0, 0, "version" },
391 { 'w', flag
, (char *) &print_directory_flag
, 1, 1, 0, 0, 0,
393 { CHAR_MAX
+3, flag
, (char *) &inhibit_print_directory_flag
, 1, 1, 0, 0, 0,
394 "no-print-directory" },
395 { 'W', string
, (char *) &new_files
, 0, 0, 0, 0, 0, "what-if" },
396 { CHAR_MAX
+4, flag
, (char *) &warn_undefined_variables_flag
, 1, 1, 0, 0, 0,
397 "warn-undefined-variables" },
401 /* Secondary long names for options. */
403 static struct option long_option_aliases
[] =
405 { "quiet", no_argument
, 0, 's' },
406 { "stop", no_argument
, 0, 'S' },
407 { "new-file", required_argument
, 0, 'W' },
408 { "assume-new", required_argument
, 0, 'W' },
409 { "assume-old", required_argument
, 0, 'o' },
410 { "max-load", optional_argument
, 0, 'l' },
411 { "dry-run", no_argument
, 0, 'n' },
412 { "recon", no_argument
, 0, 'n' },
413 { "makefile", required_argument
, 0, 'f' },
416 /* List of goal targets. */
418 static struct dep
*goals
, *lastgoal
;
420 /* List of variables which were defined on the command line
421 (or, equivalently, in MAKEFLAGS). */
423 struct command_variable
425 struct command_variable
*next
;
426 struct variable
*variable
;
428 static struct command_variable
*command_variables
;
430 /* The name we were invoked with. */
434 /* Our current directory before processing any -C options. */
436 char *directory_before_chdir
;
438 /* Our current directory after processing all -C options. */
440 char *starting_directory
;
442 /* Value of the MAKELEVEL variable at startup (or 0). */
444 unsigned int makelevel
;
446 /* First file defined in the makefile whose name does not
447 start with `.'. This is the default to remake if the
448 command line does not specify. */
450 struct file
*default_goal_file
;
452 /* Pointer to structure for the file .DEFAULT
453 whose commands are used for any file that has none of its own.
454 This is zero if the makefiles do not define .DEFAULT. */
456 struct file
*default_file
;
458 /* Nonzero if we have seen the magic `.POSIX' target.
459 This turns on pedantic compliance with POSIX.2. */
463 /* Nonzero if we have seen the `.NOTPARALLEL' target.
464 This turns off parallel builds for this invocation of make. */
468 /* Nonzero if some rule detected clock skew; we keep track so (a) we only
469 print one warning about it during the run, and (b) we can print a final
470 warning at the end of the run. */
472 int clock_skew_detected
;
474 /* Mask of signals that are being caught with fatal_error_signal. */
477 sigset_t fatal_signal_set
;
479 # ifdef HAVE_SIGSETMASK
480 int fatal_signal_mask
;
484 #if !defined HAVE_BSD_SIGNAL && !defined bsd_signal
485 # if !defined HAVE_SIGACTION
486 # define bsd_signal signal
488 typedef RETSIGTYPE (*bsd_signal_ret_t
) ();
490 static bsd_signal_ret_t
491 bsd_signal (int sig
, bsd_signal_ret_t func
)
493 struct sigaction act
, oact
;
494 act
.sa_handler
= func
;
495 act
.sa_flags
= SA_RESTART
;
496 sigemptyset (&act
.sa_mask
);
497 sigaddset (&act
.sa_mask
, sig
);
498 if (sigaction (sig
, &act
, &oact
) != 0)
500 return oact
.sa_handler
;
506 initialize_global_hash_tables (void)
508 init_hash_global_variable_set ();
510 hash_init_directories ();
511 hash_init_function_table ();
515 enter_command_line_file (char *name
)
518 fatal (NILF
, _("empty string invalid as file name"));
522 char *expanded
= tilde_expand (name
);
524 name
= expanded
; /* Memory leak; I don't care. */
527 /* This is also done in parse_file_seq, so this is redundant
528 for names read from makefiles. It is here for names passed
529 on the command line. */
530 while (name
[0] == '.' && name
[1] == '/' && name
[2] != '\0')
534 /* Skip following slashes: ".//foo" is "foo", not "/foo". */
540 /* It was all slashes! Move back to the dot and truncate
541 it after the first slash, so it becomes just "./". */
544 while (name
[0] != '.');
548 return enter_file (xstrdup (name
));
551 /* Toggle -d on receipt of SIGUSR1. */
555 debug_signal_handler (int sig UNUSED
)
557 db_level
= db_level
? DB_NONE
: DB_BASIC
;
562 decode_debug_flags (void)
572 for (pp
=db_flags
->list
; *pp
; ++pp
)
578 switch (tolower (p
[0]))
584 db_level
|= DB_BASIC
;
587 db_level
|= DB_BASIC
| DB_IMPLICIT
;
593 db_level
|= DB_BASIC
| DB_MAKEFILES
;
596 db_level
|= DB_BASIC
| DB_VERBOSE
;
599 fatal (NILF
, _("unknown debug level specification `%s'"), p
);
602 while (*(++p
) != '\0')
603 if (*p
== ',' || *p
== ' ')
616 * HANDLE runtime exceptions by avoiding a requestor on the GUI. Capture
617 * exception and print it to stderr instead.
619 * If ! DB_VERBOSE, just print a simple message and exit.
620 * If DB_VERBOSE, print a more verbose message.
621 * If compiled for DEBUG, let exception pass through to GUI so that
622 * debuggers can attach.
625 handle_runtime_exceptions( struct _EXCEPTION_POINTERS
*exinfo
)
627 PEXCEPTION_RECORD exrec
= exinfo
->ExceptionRecord
;
628 LPSTR cmdline
= GetCommandLine();
629 LPSTR prg
= strtok(cmdline
, " ");
633 LPTSTR lpszStrings
[1];
636 if (! ISDB (DB_VERBOSE
))
639 _("%s: Interrupt/Exception caught (code = 0x%x, addr = 0x%x)\n"),
640 prg
, exrec
->ExceptionCode
, exrec
->ExceptionAddress
);
641 fprintf(stderr
, errmsg
);
646 _("\nUnhandled exception filter called from program %s\nExceptionCode = %x\nExceptionFlags = %x\nExceptionAddress = %x\n"),
647 prg
, exrec
->ExceptionCode
, exrec
->ExceptionFlags
,
648 exrec
->ExceptionAddress
);
650 if (exrec
->ExceptionCode
== EXCEPTION_ACCESS_VIOLATION
651 && exrec
->NumberParameters
>= 2)
652 sprintf(&errmsg
[strlen(errmsg
)],
653 (exrec
->ExceptionInformation
[0]
654 ? _("Access violation: write operation at address %x\n")
655 : _("Access violation: read operation at address %x\n")),
656 exrec
->ExceptionInformation
[1]);
658 /* turn this on if we want to put stuff in the event log too */
660 hEventSource
= RegisterEventSource(NULL
, "GNU Make");
661 lpszStrings
[0] = errmsg
;
663 if (hEventSource
!= NULL
)
665 ReportEvent(hEventSource
, /* handle of event source */
666 EVENTLOG_ERROR_TYPE
, /* event type */
667 0, /* event category */
669 NULL
, /* current user's SID */
670 1, /* strings in lpszStrings */
671 0, /* no bytes of raw data */
672 lpszStrings
, /* array of error strings */
673 NULL
); /* no raw data */
675 (VOID
) DeregisterEventSource(hEventSource
);
679 /* Write the error to stderr too */
680 fprintf(stderr
, errmsg
);
683 return EXCEPTION_CONTINUE_SEARCH
;
686 return (255); /* not reached */
691 * On WIN32 systems we don't have the luxury of a /bin directory that
692 * is mapped globally to every drive mounted to the system. Since make could
693 * be invoked from any drive, and we don't want to propogate /bin/sh
694 * to every single drive. Allow ourselves a chance to search for
695 * a value for default shell here (if the default path does not exist).
699 find_and_set_default_shell (char *token
)
704 extern char *default_shell
;
707 search_token
= default_shell
;
709 search_token
= token
;
711 if (!no_default_sh_exe
&&
712 (token
== NULL
|| !strcmp(search_token
, default_shell
))) {
713 /* no new information, path already set or known */
715 } else if (file_exists_p(search_token
)) {
716 /* search token path was found */
717 sprintf(sh_path
, "%s", search_token
);
718 default_shell
= xstrdup(w32ify(sh_path
,0));
720 (_("find_and_set_shell setting default_shell = %s\n"), default_shell
));
724 struct variable
*v
= lookup_variable ("Path", 4);
727 * Search Path for shell
733 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
738 if (dir_file_exists_p(p
, search_token
)) {
739 sprintf(sh_path
, "%s/%s", p
, search_token
);
740 default_shell
= xstrdup(w32ify(sh_path
,0));
742 *ep
= PATH_SEPARATOR_CHAR
;
747 *ep
= PATH_SEPARATOR_CHAR
;
751 ep
= strchr(p
, PATH_SEPARATOR_CHAR
);
754 /* be sure to check last element of Path */
755 if (p
&& *p
&& dir_file_exists_p(p
, search_token
)) {
756 sprintf(sh_path
, "%s/%s", p
, search_token
);
757 default_shell
= xstrdup(w32ify(sh_path
,0));
763 (_("find_and_set_shell path search set default_shell = %s\n"),
769 if (!unixy_shell
&& sh_found
&&
770 (strstr(default_shell
, "sh") || strstr(default_shell
, "SH"))) {
772 batch_mode_shell
= 0;
775 #ifdef BATCH_MODE_ONLY_SHELL
776 batch_mode_shell
= 1;
781 #endif /* WINDOWS32 */
786 msdos_return_to_initial_directory (void)
788 if (directory_before_chdir
)
789 chdir (directory_before_chdir
);
793 extern char *mktemp
PARAMS ((char *template));
794 extern int mkstemp
PARAMS ((char *template));
797 open_tmpfile(char **name
, const char *template)
801 #if defined HAVE_MKSTEMP || defined HAVE_MKTEMP
802 # define TEMPLATE_LEN strlen (template)
804 # define TEMPLATE_LEN L_tmpnam
806 *name
= xmalloc (TEMPLATE_LEN
+ 1);
807 strcpy (*name
, template);
809 #if defined HAVE_MKSTEMP && defined HAVE_FDOPEN
810 /* It's safest to use mkstemp(), if we can. */
811 fd
= mkstemp (*name
);
814 return fdopen (fd
, "w");
817 (void) mktemp (*name
);
819 (void) tmpnam (*name
);
823 /* Can't use mkstemp(), but guard against a race condition. */
824 fd
= open (*name
, O_CREAT
|O_EXCL
|O_WRONLY
, 0600);
827 return fdopen (fd
, "w");
829 /* Not secure, but what can we do? */
830 return fopen (*name
, "w");
838 main (int argc
, char **argv
)
841 main (int argc
, char **argv
, char **envp
)
844 static char *stdin_nm
= 0;
847 int makefile_status
= MAKE_SUCCESS
;
849 struct dep
*read_makefiles
;
850 PATH_VAR (current_directory
);
852 char *unix_path
= NULL
;
853 char *windows32_path
= NULL
;
855 SetUnhandledExceptionFilter(handle_runtime_exceptions
);
857 /* start off assuming we have no shell */
859 no_default_sh_exe
= 1;
862 /* Needed for OS/2 */
863 initialize_main(&argc
, &argv
);
865 default_goal_file
= 0;
868 #if defined (__MSDOS__) && !defined (_POSIX_SOURCE)
869 /* Request the most powerful version of `system', to
870 make up for the dumb default shell. */
871 __system_flags
= (__system_redirect
873 | __system_allow_multiple_cmds
874 | __system_allow_long_cmds
875 | __system_handle_null_commands
876 | __system_emulate_chdir
);
880 /* Set up gettext/internationalization support. */
881 setlocale (LC_ALL
, "");
882 bindtextdomain (PACKAGE
, LOCALEDIR
);
883 textdomain (PACKAGE
);
886 sigemptyset (&fatal_signal_set
);
887 #define ADD_SIG(sig) sigaddset (&fatal_signal_set, sig)
889 #ifdef HAVE_SIGSETMASK
890 fatal_signal_mask
= 0;
891 #define ADD_SIG(sig) fatal_signal_mask |= sigmask (sig)
897 #define FATAL_SIG(sig) \
898 if (bsd_signal (sig, fatal_error_signal) == SIG_IGN) \
899 bsd_signal (sig, SIG_IGN); \
913 /* Windows 9X delivers FP exceptions in child programs to their
914 parent! We don't want Make to die when a child divides by zero,
915 so we work around that lossage by catching SIGFPE. */
920 FATAL_SIG (SIGDANGER
);
931 /* Do not ignore the child-death signal. This must be done before
932 any children could possibly be created; otherwise, the wait
933 functions won't work on systems with the SVR4 ECHILD brain
934 damage, if our invoker is ignoring this signal. */
936 #ifdef HAVE_WAIT_NOHANG
938 (void) bsd_signal (SIGCHLD
, SIG_DFL
);
940 # if defined SIGCLD && SIGCLD != SIGCHLD
941 (void) bsd_signal (SIGCLD
, SIG_DFL
);
945 /* Make sure stdout is line-buffered. */
948 # ifdef SETVBUF_REVERSED
949 setvbuf (stdout
, _IOLBF
, xmalloc (BUFSIZ
), BUFSIZ
);
950 # else /* setvbuf not reversed. */
951 /* Some buggy systems lose if we pass 0 instead of allocating ourselves. */
952 setvbuf (stdout
, (char *) 0, _IOLBF
, BUFSIZ
);
953 # endif /* setvbuf reversed. */
954 #elif HAVE_SETLINEBUF
956 #endif /* setlinebuf missing. */
958 /* Figure out where this program lives. */
962 if (argv
[0][0] == '\0')
967 program
= strrchr (argv
[0], ']');
969 program
= strrchr (argv
[0], '/');
971 #if defined(__MSDOS__) || defined(__EMX__)
973 program
= strrchr (argv
[0], '\\');
976 /* Some weird environments might pass us argv[0] with
977 both kinds of slashes; we must find the rightmost. */
978 char *p
= strrchr (argv
[0], '\\');
979 if (p
&& p
> program
)
982 if (program
== 0 && argv
[0][1] == ':')
983 program
= argv
[0] + 1;
991 /* Set up to access user data (files). */
994 initialize_global_hash_tables ();
996 /* Figure out where we are. */
999 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
1001 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
1005 perror_with_name ("getcwd: ", "");
1007 error (NILF
, "getwd: %s", current_directory
);
1009 current_directory
[0] = '\0';
1010 directory_before_chdir
= 0;
1013 directory_before_chdir
= xstrdup (current_directory
);
1015 /* Make sure we will return to the initial directory, come what may. */
1016 atexit (msdos_return_to_initial_directory
);
1019 /* Initialize the special variables. */
1020 define_variable (".VARIABLES", 10, "", o_default
, 0)->special
= 1;
1021 /* define_variable (".TARGETS", 8, "", o_default, 0); */
1023 /* Read in variables from the environment. It is important that this be
1024 done before $(MAKE) is figured out so its definitions will not be
1025 from the environment. */
1028 for (i
= 0; envp
[i
] != 0; ++i
)
1031 register char *ep
= envp
[i
];
1033 /* by default, everything gets defined and exported */
1039 if (!unix_path
&& strneq(envp
[i
], "PATH=", 5))
1041 else if (!windows32_path
&& !strnicmp(envp
[i
], "Path=", 5)) {
1042 do_not_define
= 1; /* it gets defined after loop exits */
1043 windows32_path
= ep
+1;
1046 /* The result of pointer arithmetic is cast to unsigned int for
1047 machines where ptrdiff_t is a different size that doesn't widen
1050 define_variable (envp
[i
], (unsigned int) (ep
- envp
[i
]),
1052 /* Force exportation of every variable culled from the environment.
1053 We used to rely on target_environment's v_default code to do this.
1054 But that does not work for the case where an environment variable
1055 is redefined in a makefile with `override'; it should then still
1056 be exported, because it was originally in the environment. */
1057 ->export
= v_export
;
1061 * Make sure that this particular spelling of 'Path' is available
1064 define_variable("Path", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1066 define_variable("Path", 4, unix_path
, o_env
, 1)->export
= v_export
;
1068 define_variable("Path", 4, "", o_env
, 1)->export
= v_export
;
1071 * PATH defaults to Path iff PATH not found and Path is found.
1073 if (!unix_path
&& windows32_path
)
1074 define_variable("PATH", 4, windows32_path
, o_env
, 1)->export
= v_export
;
1076 #else /* For Amiga, read the ENV: device, ignoring all dirs */
1078 BPTR env
, file
, old
;
1081 __aligned
struct FileInfoBlock fib
;
1083 env
= Lock ("ENV:", ACCESS_READ
);
1086 old
= CurrentDir (DupLock(env
));
1087 Examine (env
, &fib
);
1089 while (ExNext (env
, &fib
))
1091 if (fib
.fib_DirEntryType
< 0) /* File */
1093 /* Define an empty variable. It will be filled in
1094 variable_lookup(). Makes startup quite a bit
1096 define_variable (fib
.fib_FileName
,
1097 strlen (fib
.fib_FileName
),
1098 "", o_env
, 1)->export
= v_export
;
1102 UnLock(CurrentDir(old
));
1107 /* Decode the switches. */
1109 decode_env_switches ("MAKEFLAGS", 9);
1111 /* People write things like:
1112 MFLAGS="CC=gcc -pipe" "CFLAGS=-g"
1113 and we set the -p, -i and -e switches. Doesn't seem quite right. */
1114 decode_env_switches ("MFLAGS", 6);
1116 decode_switches (argc
, argv
, 0);
1119 fprintf(stderr
, "%s (pid = %d)\n", argv
[0], GetCurrentProcessId());
1120 fprintf(stderr
, _("%s is suspending for 30 seconds..."), argv
[0]);
1122 fprintf(stderr
, _("done sleep(30). Continuing.\n"));
1126 decode_debug_flags ();
1128 /* Print version information. */
1130 if (print_version_flag
|| print_data_base_flag
|| db_level
)
1133 /* `make --version' is supposed to just print the version and exit. */
1134 if (print_version_flag
)
1138 /* Set the "MAKE_COMMAND" variable to the name we were invoked with.
1139 (If it is a relative pathname with a slash, prepend our directory name
1140 so the result will run the same program regardless of the current dir.
1141 If it is a name with no slash, we can only hope that PATH did not
1142 find it in the current directory.) */
1145 * Convert from backslashes to forward slashes for
1146 * programs like sh which don't like them. Shouldn't
1147 * matter if the path is one way or the other for
1150 if (strpbrk(argv
[0], "/:\\") ||
1151 strstr(argv
[0], "..") ||
1152 strneq(argv
[0], "//", 2))
1153 argv
[0] = xstrdup(w32ify(argv
[0],1));
1154 #else /* WINDOWS32 */
1155 #if defined (__MSDOS__) || defined (__EMX__)
1156 if (strchr (argv
[0], '\\'))
1160 argv
[0] = xstrdup (argv
[0]);
1161 for (p
= argv
[0]; *p
; p
++)
1165 /* If argv[0] is not in absolute form, prepend the current
1166 directory. This can happen when Make is invoked by another DJGPP
1167 program that uses a non-absolute name. */
1168 if (current_directory
[0] != '\0'
1170 && (argv
[0][0] != '/' && (argv
[0][0] == '\0' || argv
[0][1] != ':'))
1172 /* do not prepend cwd if argv[0] contains no '/', e.g. "make" */
1173 && (strchr (argv
[0], '/') != 0 || strchr (argv
[0], '\\') != 0)
1176 argv
[0] = concat (current_directory
, "/", argv
[0]);
1177 #else /* !__MSDOS__ */
1178 if (current_directory
[0] != '\0'
1179 && argv
[0] != 0 && argv
[0][0] != '/' && strchr (argv
[0], '/') != 0)
1180 argv
[0] = concat (current_directory
, "/", argv
[0]);
1181 #endif /* !__MSDOS__ */
1182 #endif /* WINDOWS32 */
1185 /* The extra indirection through $(MAKE_COMMAND) is done
1186 for hysterical raisins. */
1187 (void) define_variable ("MAKE_COMMAND", 12, argv
[0], o_default
, 0);
1188 (void) define_variable ("MAKE", 4, "$(MAKE_COMMAND)", o_default
, 1);
1190 if (command_variables
!= 0)
1192 struct command_variable
*cv
;
1194 unsigned int len
= 0;
1197 /* Figure out how much space will be taken up by the command-line
1198 variable definitions. */
1199 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1202 len
+= 2 * strlen (v
->name
);
1206 len
+= 2 * strlen (v
->value
);
1210 /* Now allocate a buffer big enough and fill it. */
1211 p
= value
= (char *) alloca (len
);
1212 for (cv
= command_variables
; cv
!= 0; cv
= cv
->next
)
1215 p
= quote_for_env (p
, v
->name
);
1219 p
= quote_for_env (p
, v
->value
);
1222 p
[-1] = '\0'; /* Kill the final space and terminate. */
1224 /* Define an unchangeable variable with a name that no POSIX.2
1225 makefile could validly use for its own variable. */
1226 (void) define_variable ("-*-command-variables-*-", 23,
1227 value
, o_automatic
, 0);
1229 /* Define the variable; this will not override any user definition.
1230 Normally a reference to this variable is written into the value of
1231 MAKEFLAGS, allowing the user to override this value to affect the
1232 exported value of MAKEFLAGS. In POSIX-pedantic mode, we cannot
1233 allow the user's setting of MAKEOVERRIDES to affect MAKEFLAGS, so
1234 a reference to this hidden variable is written instead. */
1235 (void) define_variable ("MAKEOVERRIDES", 13,
1236 "${-*-command-variables-*-}", o_env
, 1);
1239 /* If there were -C flags, move ourselves about. */
1240 if (directories
!= 0)
1241 for (i
= 0; directories
->list
[i
] != 0; ++i
)
1243 char *dir
= directories
->list
[i
];
1246 char *expanded
= tilde_expand (dir
);
1250 if (chdir (dir
) < 0)
1251 pfatal_with_name (dir
);
1252 if (dir
!= directories
->list
[i
])
1258 * THIS BLOCK OF CODE MUST COME AFTER chdir() CALL ABOVE IN ORDER
1259 * TO NOT CONFUSE THE DEPENDENCY CHECKING CODE IN implicit.c.
1261 * The functions in dir.c can incorrectly cache information for "."
1262 * before we have changed directory and this can cause file
1263 * lookups to fail because the current directory (.) was pointing
1264 * at the wrong place when it was first evaluated.
1266 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1268 #endif /* WINDOWS32 */
1269 /* Figure out the level of recursion. */
1271 struct variable
*v
= lookup_variable (MAKELEVEL_NAME
, MAKELEVEL_LENGTH
);
1272 if (v
!= 0 && v
->value
[0] != '\0' && v
->value
[0] != '-')
1273 makelevel
= (unsigned int) atoi (v
->value
);
1278 /* Except under -s, always do -w in sub-makes and under -C. */
1279 if (!silent_flag
&& (directories
!= 0 || makelevel
> 0))
1280 print_directory_flag
= 1;
1282 /* Let the user disable that with --no-print-directory. */
1283 if (inhibit_print_directory_flag
)
1284 print_directory_flag
= 0;
1286 /* If -R was given, set -r too (doesn't make sense otherwise!) */
1287 if (no_builtin_variables_flag
)
1288 no_builtin_rules_flag
= 1;
1290 /* Construct the list of include directories to search. */
1292 construct_include_path (include_directories
== 0 ? (char **) 0
1293 : include_directories
->list
);
1295 /* Figure out where we are now, after chdir'ing. */
1296 if (directories
== 0)
1297 /* We didn't move, so we're still in the same place. */
1298 starting_directory
= current_directory
;
1302 if (getcwd_fs (current_directory
, GET_PATH_MAX
) == 0)
1304 if (getcwd (current_directory
, GET_PATH_MAX
) == 0)
1308 perror_with_name ("getcwd: ", "");
1310 error (NILF
, "getwd: %s", current_directory
);
1312 starting_directory
= 0;
1315 starting_directory
= current_directory
;
1318 (void) define_variable ("CURDIR", 6, current_directory
, o_default
, 0);
1320 /* Read any stdin makefiles into temporary files. */
1324 register unsigned int i
;
1325 for (i
= 0; i
< makefiles
->idx
; ++i
)
1326 if (makefiles
->list
[i
][0] == '-' && makefiles
->list
[i
][1] == '\0')
1328 /* This makefile is standard input. Since we may re-exec
1329 and thus re-read the makefiles, we read standard input
1330 into a temporary file and read from that. */
1332 char *template, *tmpdir
;
1335 fatal (NILF
, _("Makefile from standard input specified twice."));
1338 # define DEFAULT_TMPDIR "sys$scratch:"
1341 # define DEFAULT_TMPDIR P_tmpdir
1343 # define DEFAULT_TMPDIR "/tmp"
1346 #define DEFAULT_TMPFILE "GmXXXXXX"
1348 if (((tmpdir
= getenv ("TMPDIR")) == NULL
|| *tmpdir
== '\0')
1349 #if defined (__MSDOS__) || defined (WINDOWS32) || defined (__EMX__)
1350 /* These are also used commonly on these platforms. */
1351 && ((tmpdir
= getenv ("TEMP")) == NULL
|| *tmpdir
== '\0')
1352 && ((tmpdir
= getenv ("TMP")) == NULL
|| *tmpdir
== '\0')
1355 tmpdir
= DEFAULT_TMPDIR
;
1357 template = (char *) alloca (strlen (tmpdir
)
1358 + sizeof (DEFAULT_TMPFILE
) + 1);
1359 strcpy (template, tmpdir
);
1361 #ifdef HAVE_DOS_PATHS
1362 if (strchr ("/\\", template[strlen (template) - 1]) == NULL
)
1363 strcat (template, "/");
1366 if (template[strlen (template) - 1] != '/')
1367 strcat (template, "/");
1369 #endif /* !HAVE_DOS_PATHS */
1371 strcat (template, DEFAULT_TMPFILE
);
1372 outfile
= open_tmpfile (&stdin_nm
, template);
1374 pfatal_with_name (_("fopen (temporary file)"));
1375 while (!feof (stdin
))
1378 unsigned int n
= fread (buf
, 1, sizeof (buf
), stdin
);
1379 if (n
> 0 && fwrite (buf
, 1, n
, outfile
) != n
)
1380 pfatal_with_name (_("fwrite (temporary file)"));
1382 (void) fclose (outfile
);
1384 /* Replace the name that read_all_makefiles will
1385 see with the name of the temporary file. */
1386 makefiles
->list
[i
] = xstrdup (stdin_nm
);
1388 /* Make sure the temporary file will not be remade. */
1389 f
= enter_file (stdin_nm
);
1391 f
->update_status
= 0;
1392 f
->command_state
= cs_finished
;
1393 /* Can't be intermediate, or it'll be removed too early for
1395 f
->intermediate
= 0;
1400 #ifndef __EMX__ /* Don't use a SIGCHLD handler for OS/2 */
1401 #if defined(MAKE_JOBSERVER) || !defined(HAVE_WAIT_NOHANG)
1402 /* Set up to handle children dying. This must be done before
1403 reading in the makefiles so that `shell' function calls will work.
1405 If we don't have a hanging wait we have to fall back to old, broken
1406 functionality here and rely on the signal handler and counting
1409 If we're using the jobs pipe we need a signal handler so that
1410 SIGCHLD is not ignored; we need it to interrupt the read(2) of the
1411 jobserver pipe in job.c if we're waiting for a token.
1413 If none of these are true, we don't need a signal handler at all. */
1415 extern RETSIGTYPE child_handler
PARAMS ((int sig
));
1416 # if defined SIGCHLD
1417 bsd_signal (SIGCHLD
, child_handler
);
1419 # if defined SIGCLD && SIGCLD != SIGCHLD
1420 bsd_signal (SIGCLD
, child_handler
);
1426 /* Let the user send us SIGUSR1 to toggle the -d flag during the run. */
1428 bsd_signal (SIGUSR1
, debug_signal_handler
);
1431 /* Define the initial list of suffixes for old-style rules. */
1433 set_default_suffixes ();
1435 /* Define the file rules for the built-in suffix rules. These will later
1436 be converted into pattern rules. We used to do this in
1437 install_default_implicit_rules, but since that happens after reading
1438 makefiles, it results in the built-in pattern rules taking precedence
1439 over makefile-specified suffix rules, which is wrong. */
1441 install_default_suffix_rules ();
1443 /* Define some internal and special variables. */
1445 define_automatic_variables ();
1447 /* Set up the MAKEFLAGS and MFLAGS variables
1448 so makefiles can look at them. */
1450 define_makeflags (0, 0);
1452 /* Define the default variables. */
1453 define_default_variables ();
1455 /* Read all the makefiles. */
1457 default_file
= enter_file (".DEFAULT");
1460 = read_all_makefiles (makefiles
== 0 ? (char **) 0 : makefiles
->list
);
1463 /* look one last time after reading all Makefiles */
1464 if (no_default_sh_exe
)
1465 no_default_sh_exe
= !find_and_set_default_shell(NULL
);
1467 if (no_default_sh_exe
&& job_slots
!= 1) {
1468 error (NILF
, _("Do not specify -j or --jobs if sh.exe is not available."));
1469 error (NILF
, _("Resetting make for single job mode."));
1472 #endif /* WINDOWS32 */
1474 #if defined (__MSDOS__) || defined (__EMX__)
1475 /* We need to know what kind of shell we will be using. */
1477 extern int _is_unixy_shell (const char *_path
);
1478 struct variable
*shv
= lookup_variable ("SHELL", 5);
1479 extern int unixy_shell
;
1480 extern char *default_shell
;
1482 if (shv
&& *shv
->value
)
1484 char *shell_path
= recursively_expand(shv
);
1486 if (shell_path
&& _is_unixy_shell (shell_path
))
1491 default_shell
= shell_path
;
1494 #endif /* __MSDOS__ || __EMX__ */
1496 /* Decode switches again, in case the variables were set by the makefile. */
1497 decode_env_switches ("MAKEFLAGS", 9);
1499 decode_env_switches ("MFLAGS", 6);
1502 #if defined (__MSDOS__) || defined (__EMX__)
1505 && _osmode
!= OS2_MODE
/* turn off -j if we are in DOS mode */
1510 _("Parallel jobs (-j) are not supported on this platform."));
1511 error (NILF
, _("Resetting to single job (-j1) mode."));
1516 #ifdef MAKE_JOBSERVER
1517 /* If the jobserver-fds option is seen, make sure that -j is reasonable. */
1524 for (ui
=1; ui
< jobserver_fds
->idx
; ++ui
)
1525 if (!streq (jobserver_fds
->list
[0], jobserver_fds
->list
[ui
]))
1526 fatal (NILF
, _("internal error: multiple --jobserver-fds options"));
1528 /* Now parse the fds string and make sure it has the proper format. */
1530 cp
= jobserver_fds
->list
[0];
1532 if (sscanf (cp
, "%d,%d", &job_fds
[0], &job_fds
[1]) != 2)
1534 _("internal error: invalid --jobserver-fds string `%s'"), cp
);
1536 /* The combination of a pipe + !job_slots means we're using the
1537 jobserver. If !job_slots and we don't have a pipe, we can start
1538 infinite jobs. If we see both a pipe and job_slots >0 that means the
1539 user set -j explicitly. This is broken; in this case obey the user
1540 (ignore the jobserver pipe for this make) but print a message. */
1544 _("warning: -jN forced in submake: disabling jobserver mode."));
1546 /* Create a duplicate pipe, that will be closed in the SIGCHLD
1547 handler. If this fails with EBADF, the parent has closed the pipe
1548 on us because it didn't think we were a submake. If so, print a
1549 warning then default to -j1. */
1551 else if ((job_rfd
= dup (job_fds
[0])) < 0)
1554 pfatal_with_name (_("dup jobserver"));
1557 _("warning: jobserver unavailable: using -j1. Add `+' to parent make rule."));
1565 job_fds
[0] = job_fds
[1] = -1;
1566 free (jobserver_fds
->list
);
1567 free (jobserver_fds
);
1572 /* If we have >1 slot but no jobserver-fds, then we're a top-level make.
1573 Set up the pipe and install the fds option for our children. */
1579 if (pipe (job_fds
) < 0 || (job_rfd
= dup (job_fds
[0])) < 0)
1580 pfatal_with_name (_("creating jobs pipe"));
1582 /* Every make assumes that it always has one job it can run. For the
1583 submakes it's the token they were given by their parent. For the
1584 top make, we just subtract one from the number the user wants. We
1585 want job_slots to be 0 to indicate we're using the jobserver. */
1591 EINTRLOOP (r
, write (job_fds
[1], &c
, 1));
1593 pfatal_with_name (_("init jobserver pipe"));
1596 /* Fill in the jobserver_fds struct for our children. */
1598 jobserver_fds
= (struct stringlist
*)
1599 xmalloc (sizeof (struct stringlist
));
1600 jobserver_fds
->list
= (char **) xmalloc (sizeof (char *));
1601 jobserver_fds
->list
[0] = xmalloc ((sizeof ("1024")*2)+1);
1603 sprintf (jobserver_fds
->list
[0], "%d,%d", job_fds
[0], job_fds
[1]);
1604 jobserver_fds
->idx
= 1;
1605 jobserver_fds
->max
= 1;
1609 /* Set up MAKEFLAGS and MFLAGS again, so they will be right. */
1611 define_makeflags (1, 0);
1613 /* Make each `struct dep' point at the `struct file' for the file
1614 depended on. Also do magic for special targets. */
1618 /* Convert old-style suffix rules to pattern rules. It is important to
1619 do this before installing the built-in pattern rules below, so that
1620 makefile-specified suffix rules take precedence over built-in pattern
1623 convert_to_pattern ();
1625 /* Install the default implicit pattern rules.
1626 This used to be done before reading the makefiles.
1627 But in that case, built-in pattern rules were in the chain
1628 before user-defined ones, so they matched first. */
1630 install_default_implicit_rules ();
1632 /* Compute implicit rule limits. */
1634 count_implicit_rule_limits ();
1636 /* Construct the listings of directories in VPATH lists. */
1638 build_vpath_lists ();
1640 /* Mark files given with -o flags as very old
1641 and as having been updated already, and files given with -W flags as
1642 brand new (time-stamp as far as possible into the future). */
1645 for (p
= old_files
->list
; *p
!= 0; ++p
)
1647 f
= enter_command_line_file (*p
);
1648 f
->last_mtime
= f
->mtime_before_update
= OLD_MTIME
;
1650 f
->update_status
= 0;
1651 f
->command_state
= cs_finished
;
1656 for (p
= new_files
->list
; *p
!= 0; ++p
)
1658 f
= enter_command_line_file (*p
);
1659 f
->last_mtime
= f
->mtime_before_update
= NEW_MTIME
;
1663 /* Initialize the remote job module. */
1666 if (read_makefiles
!= 0)
1668 /* Update any makefiles if necessary. */
1670 FILE_TIMESTAMP
*makefile_mtimes
= 0;
1671 unsigned int mm_idx
= 0;
1672 char **nargv
= argv
;
1674 int orig_db_level
= db_level
;
1677 if (! ISDB (DB_MAKEFILES
))
1680 DB (DB_BASIC
, (_("Updating makefiles....\n")));
1682 /* Remove any makefiles we don't want to try to update.
1683 Also record the current modtimes so we can compare them later. */
1685 register struct dep
*d
, *last
;
1690 register struct file
*f
= d
->file
;
1691 if (f
->double_colon
)
1692 for (f
= f
->double_colon
; f
!= NULL
; f
= f
->prev
)
1694 if (f
->deps
== 0 && f
->cmds
!= 0)
1696 /* This makefile is a :: target with commands, but
1697 no dependencies. So, it will always be remade.
1698 This might well cause an infinite loop, so don't
1699 try to remake it. (This will only happen if
1700 your makefiles are written exceptionally
1701 stupidly; but if you work for Athena, that's how
1702 you write your makefiles.) */
1705 (_("Makefile `%s' might loop; not remaking it.\n"),
1709 read_makefiles
= d
->next
;
1711 last
->next
= d
->next
;
1713 /* Free the storage. */
1716 d
= last
== 0 ? read_makefiles
: last
->next
;
1721 if (f
== NULL
|| !f
->double_colon
)
1723 makefile_mtimes
= (FILE_TIMESTAMP
*)
1724 xrealloc ((char *) makefile_mtimes
,
1725 (mm_idx
+ 1) * sizeof (FILE_TIMESTAMP
));
1726 makefile_mtimes
[mm_idx
++] = file_mtime_no_search (d
->file
);
1733 /* Set up `MAKEFLAGS' specially while remaking makefiles. */
1734 define_makeflags (1, 1);
1736 rebuilding_makefiles
= 1;
1737 status
= update_goal_chain (read_makefiles
);
1738 rebuilding_makefiles
= 0;
1743 /* The only way this can happen is if the user specified -q and asked
1744 * for one of the makefiles to be remade as a target on the command
1745 * line. Since we're not actually updating anything with -q we can
1746 * treat this as "did nothing".
1754 /* Failed to update. Figure out if we care. */
1756 /* Nonzero if any makefile was successfully remade. */
1758 /* Nonzero if any makefile we care about failed
1759 in updating or could not be found at all. */
1764 for (i
= 0, d
= read_makefiles
; d
!= 0; ++i
, d
= d
->next
)
1766 /* Reset the considered flag; we may need to look at the file
1767 again to print an error. */
1768 d
->file
->considered
= 0;
1770 if (d
->file
->updated
)
1772 /* This makefile was updated. */
1773 if (d
->file
->update_status
== 0)
1775 /* It was successfully updated. */
1776 any_remade
|= (file_mtime_no_search (d
->file
)
1777 != makefile_mtimes
[i
]);
1779 else if (! (d
->changed
& RM_DONTCARE
))
1781 FILE_TIMESTAMP mtime
;
1782 /* The update failed and this makefile was not
1783 from the MAKEFILES variable, so we care. */
1784 error (NILF
, _("Failed to remake makefile `%s'."),
1786 mtime
= file_mtime_no_search (d
->file
);
1787 any_remade
|= (mtime
!= NONEXISTENT_MTIME
1788 && mtime
!= makefile_mtimes
[i
]);
1789 makefile_status
= MAKE_FAILURE
;
1793 /* This makefile was not found at all. */
1794 if (! (d
->changed
& RM_DONTCARE
))
1796 /* This is a makefile we care about. See how much. */
1797 if (d
->changed
& RM_INCLUDED
)
1798 /* An included makefile. We don't need
1799 to die, but we do want to complain. */
1801 _("Included makefile `%s' was not found."),
1805 /* A normal makefile. We must die later. */
1806 error (NILF
, _("Makefile `%s' was not found"),
1812 /* Reset this to empty so we get the right error message below. */
1824 /* Updated successfully. Re-exec ourselves. */
1826 remove_intermediates (0);
1828 if (print_data_base_flag
)
1831 log_working_directory (0);
1835 /* These names might have changed. */
1837 for (i
= 1; i
< argc
; ++i
)
1838 if (strneq (argv
[i
], "-f", 2)) /* XXX */
1840 char *p
= &argv
[i
][2];
1842 argv
[++i
] = makefiles
->list
[j
];
1844 argv
[i
] = concat ("-f", makefiles
->list
[j
], "");
1849 /* Add -o option for the stdin temporary file, if necessary. */
1852 nargv
= (char **) xmalloc ((nargc
+ 2) * sizeof (char *));
1853 bcopy ((char *) argv
, (char *) nargv
, argc
* sizeof (char *));
1854 nargv
[nargc
++] = concat ("-o", stdin_nm
, "");
1858 if (directories
!= 0 && directories
->idx
> 0)
1861 if (directory_before_chdir
!= 0)
1863 if (chdir (directory_before_chdir
) < 0)
1865 perror_with_name ("chdir", "");
1874 fatal (NILF
, _("Couldn't change back to original directory."));
1878 for (p
= environ
; *p
!= 0; ++p
)
1879 if ((*p
)[MAKELEVEL_LENGTH
] == '='
1880 && strneq (*p
, MAKELEVEL_NAME
, MAKELEVEL_LENGTH
))
1882 /* The SGI compiler apparently can't understand
1883 the concept of storing the result of a function
1884 in something other than a local variable. */
1886 sgi_loses
= (char *) alloca (40);
1888 sprintf (*p
, "%s=%u", MAKELEVEL_NAME
, makelevel
);
1896 len
= GetVar (MAKELEVEL_NAME
, buffer
, sizeof (buffer
), GVF_GLOBAL_ONLY
);
1900 sprintf (buffer
, "%u", makelevel
);
1901 SetVar (MAKELEVEL_NAME
, buffer
, -1, GVF_GLOBAL_ONLY
);
1906 if (ISDB (DB_BASIC
))
1909 fputs (_("Re-executing:"), stdout
);
1910 for (p
= nargv
; *p
!= 0; ++p
)
1918 /* Close the dup'd jobserver pipe if we opened one. */
1923 exec_command (nargv
);
1925 #elif defined (__EMX__)
1927 /* It is not possible to use execve() here because this
1928 would cause the parent process to be terminated with
1929 exit code 0 before the child process has been terminated.
1930 Therefore it may be the best solution simply to spawn the
1931 child process including all file handles and to wait for its
1935 pid
= child_execute_job (0, 1, nargv
, environ
);
1937 /* is this loop really necessary? */
1939 pid
= wait (&status
);
1941 /* use the exit code of the child process */
1942 exit (WIFEXITED(status
) ? WEXITSTATUS(status
) : EXIT_FAILURE
);
1945 exec_command (nargv
, environ
);
1950 #define BOGUS_UPDATE_STATUS 0
1951 assert (BOGUS_UPDATE_STATUS
);
1955 db_level
= orig_db_level
;
1957 /* Free the makefile mtimes (if we allocated any). */
1958 if (makefile_mtimes
)
1959 free ((char *) makefile_mtimes
);
1962 /* Set up `MAKEFLAGS' again for the normal targets. */
1963 define_makeflags (1, 0);
1965 /* If there is a temp file from reading a makefile from stdin, get rid of
1967 if (stdin_nm
&& unlink (stdin_nm
) < 0 && errno
!= ENOENT
)
1968 perror_with_name (_("unlink (temporary file): "), stdin_nm
);
1973 /* If there were no command-line goals, use the default. */
1976 if (default_goal_file
!= 0)
1978 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
1981 goals
->ignore_mtime
= 0;
1982 goals
->file
= default_goal_file
;
1990 if (read_makefiles
== 0)
1991 fatal (NILF
, _("No targets specified and no makefile found"));
1993 fatal (NILF
, _("No targets"));
1996 /* Update the goals. */
1998 DB (DB_BASIC
, (_("Updating goal targets....\n")));
2000 switch (update_goal_chain (goals
))
2003 /* Nothing happened. */
2005 /* Updated successfully. */
2006 status
= makefile_status
;
2009 /* We are under -q and would run some commands. */
2010 status
= MAKE_TROUBLE
;
2013 /* Updating failed. POSIX.2 specifies exit status >1 for this;
2014 but in VMS, there is only success and failure. */
2015 status
= MAKE_FAILURE
;
2021 /* If we detected some clock skew, generate one last warning */
2022 if (clock_skew_detected
)
2024 _("warning: Clock skew detected. Your build may be incomplete."));
2033 /* Parsing of arguments, decoding of switches. */
2035 static char options
[1 + sizeof (switches
) / sizeof (switches
[0]) * 3];
2036 static struct option long_options
[(sizeof (switches
) / sizeof (switches
[0])) +
2037 (sizeof (long_option_aliases
) /
2038 sizeof (long_option_aliases
[0]))];
2040 /* Fill in the string and vector for getopt. */
2042 init_switches (void)
2048 if (options
[0] != '\0')
2054 /* Return switch and non-switch args in order, regardless of
2055 POSIXLY_CORRECT. Non-switch args are returned as option 1. */
2058 for (i
= 0; switches
[i
].c
!= '\0'; ++i
)
2060 long_options
[i
].name
= (switches
[i
].long_name
== 0 ? "" :
2061 switches
[i
].long_name
);
2062 long_options
[i
].flag
= 0;
2063 long_options
[i
].val
= switches
[i
].c
;
2064 if (short_option (switches
[i
].c
))
2065 *p
++ = switches
[i
].c
;
2066 switch (switches
[i
].type
)
2071 long_options
[i
].has_arg
= no_argument
;
2077 if (short_option (switches
[i
].c
))
2079 if (switches
[i
].noarg_value
!= 0)
2081 if (short_option (switches
[i
].c
))
2083 long_options
[i
].has_arg
= optional_argument
;
2086 long_options
[i
].has_arg
= required_argument
;
2091 for (c
= 0; c
< (sizeof (long_option_aliases
) /
2092 sizeof (long_option_aliases
[0]));
2094 long_options
[i
++] = long_option_aliases
[c
];
2095 long_options
[i
].name
= 0;
2099 handle_non_switch_argument (char *arg
, int env
)
2101 /* Non-option argument. It might be a variable definition. */
2103 if (arg
[0] == '-' && arg
[1] == '\0')
2104 /* Ignore plain `-' for compatibility. */
2106 v
= try_variable_definition (0, arg
, o_command
, 0);
2109 /* It is indeed a variable definition. Record a pointer to
2110 the variable for later use in define_makeflags. */
2111 struct command_variable
*cv
2112 = (struct command_variable
*) xmalloc (sizeof (*cv
));
2114 cv
->next
= command_variables
;
2115 command_variables
= cv
;
2119 /* Not an option or variable definition; it must be a goal
2120 target! Enter it as a file and add it to the dep chain of
2122 struct file
*f
= enter_command_line_file (arg
);
2127 goals
= (struct dep
*) xmalloc (sizeof (struct dep
));
2132 lastgoal
->next
= (struct dep
*) xmalloc (sizeof (struct dep
));
2133 lastgoal
= lastgoal
->next
;
2137 lastgoal
->ignore_mtime
= 0;
2140 /* Add this target name to the MAKECMDGOALS variable. */
2144 v
= lookup_variable ("MAKECMDGOALS", 12);
2149 /* Paste the old and new values together */
2150 unsigned int oldlen
, newlen
;
2152 oldlen
= strlen (v
->value
);
2153 newlen
= strlen (f
->name
);
2154 value
= (char *) alloca (oldlen
+ 1 + newlen
+ 1);
2155 bcopy (v
->value
, value
, oldlen
);
2156 value
[oldlen
] = ' ';
2157 bcopy (f
->name
, &value
[oldlen
+ 1], newlen
+ 1);
2159 define_variable ("MAKECMDGOALS", 12, value
, o_default
, 0);
2164 /* Print a nice usage method. */
2167 print_usage (int bad
)
2169 const char *const *cpp
;
2172 if (print_version_flag
)
2175 usageto
= bad
? stderr
: stdout
;
2177 fprintf (usageto
, _("Usage: %s [options] [target] ...\n"), program
);
2179 for (cpp
= usage
; *cpp
; ++cpp
)
2180 fputs (_(*cpp
), usageto
);
2182 if (!remote_description
|| *remote_description
== '\0')
2183 fprintf (usageto
, _("\nThis program built for %s\n"), make_host
);
2185 fprintf (usageto
, _("\nThis program built for %s (%s)\n"),
2186 make_host
, remote_description
);
2188 fprintf (usageto
, _("Report bugs to <bug-make@gnu.org>\n"));
2191 /* Decode switches from ARGC and ARGV.
2192 They came from the environment if ENV is nonzero. */
2195 decode_switches (int argc
, char **argv
, int env
)
2198 register const struct command_switch
*cs
;
2199 register struct stringlist
*sl
;
2202 /* getopt does most of the parsing for us.
2203 First, get its vectors set up. */
2207 /* Let getopt produce error messages for the command line,
2208 but not for options from the environment. */
2210 /* Reset getopt's state. */
2213 while (optind
< argc
)
2215 /* Parse the next argument. */
2216 c
= getopt_long (argc
, argv
, options
, long_options
, (int *) 0);
2218 /* End of arguments, or "--" marker seen. */
2221 /* An argument not starting with a dash. */
2222 handle_non_switch_argument (optarg
, env
);
2224 /* Bad option. We will print a usage message and die later.
2225 But continue to parse the other options so the user can
2226 see all he did wrong. */
2229 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2232 /* Whether or not we will actually do anything with
2233 this switch. We test this individually inside the
2234 switch below rather than just once outside it, so that
2235 options which are to be ignored still consume args. */
2236 int doit
= !env
|| cs
->env
;
2249 *(int *) cs
->value_ptr
= cs
->type
== flag
;
2257 optarg
= cs
->noarg_value
;
2258 else if (*optarg
== '\0')
2260 error (NILF
, _("the `-%c' option requires a non-empty string argument"),
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 (char *envar
, unsigned int len
)
2367 char *varref
= (char *) alloca (2 + len
+ 2);
2372 /* Get the variable's value. */
2375 bcopy (envar
, &varref
[2], len
);
2376 varref
[2 + len
] = ')';
2377 varref
[2 + len
+ 1] = '\0';
2378 value
= variable_expand (varref
);
2380 /* Skip whitespace, and check for an empty value. */
2381 value
= next_token (value
);
2382 len
= strlen (value
);
2386 /* Allocate a vector that is definitely big enough. */
2387 argv
= (char **) alloca ((1 + len
+ 1) * sizeof (char *));
2389 /* Allocate a buffer to copy the value into while we split it into words
2390 and unquote it. We must use permanent storage for this because
2391 decode_switches may store pointers into the passed argument words. */
2392 p
= (char *) xmalloc (2 * len
);
2394 /* getopt will look at the arguments starting at ARGV[1].
2395 Prepend a spacer word. */
2399 while (*value
!= '\0')
2401 if (*value
== '\\' && value
[1] != '\0')
2402 ++value
; /* Skip the backslash. */
2403 else if (isblank ((unsigned char)*value
))
2405 /* End of the word. */
2410 while (isblank ((unsigned char)*value
));
2418 if (argv
[1][0] != '-' && strchr (argv
[1], '=') == 0)
2419 /* The first word doesn't start with a dash and isn't a variable
2420 definition. Add a dash and pass it along to decode_switches. We
2421 need permanent storage for this in case decode_switches saves
2422 pointers into the value. */
2423 argv
[1] = concat ("-", argv
[1], "");
2425 /* Parse those words. */
2426 decode_switches (argc
, argv
, 1);
2429 /* Quote the string IN so that it will be interpreted as a single word with
2430 no magic by decode_env_switches; also double dollar signs to avoid
2431 variable expansion in make itself. Write the result into OUT, returning
2432 the address of the next character to be written.
2433 Allocating space for OUT twice the length of IN is always sufficient. */
2436 quote_for_env (char *out
, char *in
)
2442 else if (isblank ((unsigned char)*in
) || *in
== '\\')
2450 /* Define the MAKEFLAGS and MFLAGS variables to reflect the settings of the
2451 command switches. Include options with args if ALL is nonzero.
2452 Don't include options with the `no_makefile' flag set if MAKEFILE. */
2455 define_makeflags (int all
, int makefile
)
2457 static const char ref
[] = "$(MAKEOVERRIDES)";
2458 static const char posixref
[] = "$(-*-command-variables-*-)";
2459 register const struct command_switch
*cs
;
2465 /* We will construct a linked list of `struct flag's describing
2466 all the flags which need to go in MAKEFLAGS. Then, once we
2467 know how many there are and their lengths, we can put them all
2468 together in a string. */
2473 const struct command_switch
*cs
;
2476 struct flag
*flags
= 0;
2477 unsigned int flagslen
= 0;
2478 #define ADD_FLAG(ARG, LEN) \
2480 struct flag *new = (struct flag *) alloca (sizeof (struct flag)); \
2483 new->next = flags; \
2485 if (new->arg == 0) \
2486 ++flagslen; /* Just a single flag letter. */ \
2488 flagslen += 1 + 1 + 1 + 1 + 3 * (LEN); /* " -x foo" */ \
2489 if (!short_option (cs->c)) \
2490 /* This switch has no single-letter version, so we use the long. */ \
2491 flagslen += 2 + strlen (cs->long_name); \
2494 for (cs
= switches
; cs
->c
!= '\0'; ++cs
)
2495 if (cs
->toenv
&& (!makefile
|| !cs
->no_makefile
))
2506 if (!*(int *) cs
->value_ptr
== (cs
->type
== flag_off
)
2507 && (cs
->default_value
== 0
2508 || *(int *) cs
->value_ptr
!= *(int *) cs
->default_value
))
2515 if ((cs
->default_value
!= 0
2516 && (*(unsigned int *) cs
->value_ptr
2517 == *(unsigned int *) cs
->default_value
)))
2519 else if (cs
->noarg_value
!= 0
2520 && (*(unsigned int *) cs
->value_ptr
==
2521 *(unsigned int *) cs
->noarg_value
))
2522 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2523 else if (cs
->c
== 'j')
2524 /* Special case for `-j'. */
2528 char *buf
= (char *) alloca (30);
2529 sprintf (buf
, "%u", *(unsigned int *) cs
->value_ptr
);
2530 ADD_FLAG (buf
, strlen (buf
));
2539 if (cs
->default_value
!= 0
2540 && (*(double *) cs
->value_ptr
2541 == *(double *) cs
->default_value
))
2543 else if (cs
->noarg_value
!= 0
2544 && (*(double *) cs
->value_ptr
2545 == *(double *) cs
->noarg_value
))
2546 ADD_FLAG ("", 0); /* Optional value omitted; see below. */
2549 char *buf
= (char *) alloca (100);
2550 sprintf (buf
, "%g", *(double *) cs
->value_ptr
);
2551 ADD_FLAG (buf
, strlen (buf
));
2560 struct stringlist
*sl
= *(struct stringlist
**) cs
->value_ptr
;
2563 /* Add the elements in reverse order, because
2564 all the flags get reversed below; and the order
2565 matters for some switches (like -I). */
2566 register unsigned int i
= sl
->idx
;
2568 ADD_FLAG (sl
->list
[i
], strlen (sl
->list
[i
]));
2574 flagslen
+= 4 + sizeof posixref
; /* Four more for the possible " -- ". */
2578 /* Construct the value in FLAGSTRING.
2579 We allocate enough space for a preceding dash and trailing null. */
2580 flagstring
= (char *) alloca (1 + flagslen
+ 1);
2581 bzero (flagstring
, 1 + flagslen
+ 1);
2587 /* Add the flag letter or name to the string. */
2588 if (short_option (flags
->cs
->c
))
2589 *p
++ = flags
->cs
->c
;
2598 strcpy (p
, flags
->cs
->long_name
);
2601 if (flags
->arg
!= 0)
2603 /* A flag that takes an optional argument which in this case is
2604 omitted is specified by ARG being "". We must distinguish
2605 because a following flag appended without an intervening " -"
2606 is considered the arg for the first. */
2607 if (flags
->arg
[0] != '\0')
2609 /* Add its argument too. */
2610 *p
++ = !short_option (flags
->cs
->c
) ? '=' : ' ';
2611 p
= quote_for_env (p
, flags
->arg
);
2614 /* Write a following space and dash, for the next flag. */
2618 else if (!short_option (flags
->cs
->c
))
2621 /* Long options must each go in their own word,
2622 so we write the following space and dash. */
2626 flags
= flags
->next
;
2629 /* Define MFLAGS before appending variable definitions. */
2631 if (p
== &flagstring
[1])
2633 flagstring
[0] = '\0';
2634 else if (p
[-1] == '-')
2636 /* Kill the final space and dash. */
2641 /* Terminate the string. */
2644 /* Since MFLAGS is not parsed for flags, there is no reason to
2645 override any makefile redefinition. */
2646 (void) define_variable ("MFLAGS", 6, flagstring
, o_env
, 1);
2648 if (all
&& command_variables
!= 0)
2650 /* Now write a reference to $(MAKEOVERRIDES), which contains all the
2651 command-line variable definitions. */
2653 if (p
== &flagstring
[1])
2654 /* No flags written, so elide the leading dash already written. */
2658 /* Separate the variables from the switches with a "--" arg. */
2661 /* We did not already write a trailing " -". */
2665 /* There is a trailing " -"; fill it out to " -- ". */
2670 /* Copy in the string. */
2673 bcopy (posixref
, p
, sizeof posixref
- 1);
2674 p
+= sizeof posixref
- 1;
2678 bcopy (ref
, p
, sizeof ref
- 1);
2679 p
+= sizeof ref
- 1;
2682 else if (p
== &flagstring
[1])
2687 else if (p
[-1] == '-')
2688 /* Kill the final space and dash. */
2690 /* Terminate the string. */
2693 v
= define_variable ("MAKEFLAGS", 9,
2694 /* If there are switches, omit the leading dash
2695 unless it is a single long option with two
2697 &flagstring
[(flagstring
[0] == '-'
2698 && flagstring
[1] != '-')
2700 /* This used to use o_env, but that lost when a
2701 makefile defined MAKEFLAGS. Makefiles set
2702 MAKEFLAGS to add switches, but we still want
2703 to redefine its value with the full set of
2704 switches. Of course, an override or command
2705 definition will still take precedence. */
2708 /* The first time we are called, set MAKEFLAGS to always be exported.
2709 We should not do this again on the second call, because that is
2710 after reading makefiles which might have done `unexport MAKEFLAGS'. */
2711 v
->export
= v_export
;
2714 /* Print version information. */
2717 print_version (void)
2719 static int printed_version
= 0;
2721 char *precede
= print_data_base_flag
? "# " : "";
2723 if (printed_version
)
2724 /* Do it only once. */
2727 /* Print this untranslated. The coding standards recommend translating the
2728 (C) to the copyright symbol, but this string is going to change every
2729 year, and none of the rest of it should be translated (including the
2730 word "Copyright", so it hardly seems worth it. */
2732 printf ("%sGNU Make %s\n\
2733 %sCopyright (C) 2003 Free Software Foundation, Inc.\n",
2734 precede
, version_string
, precede
);
2736 printf (_("%sThis is free software; see the source for copying conditions.\n\
2737 %sThere is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
2738 %sPARTICULAR PURPOSE.\n"),
2739 precede
, precede
, precede
);
2741 if (!remote_description
|| *remote_description
== '\0')
2742 printf (_("\n%sThis program built for %s\n"), precede
, make_host
);
2744 printf (_("\n%sThis program built for %s (%s)\n"),
2745 precede
, make_host
, remote_description
);
2747 printed_version
= 1;
2749 /* Flush stdout so the user doesn't have to wait to see the
2750 version information while things are thought about. */
2754 /* Print a bunch of information about this and that. */
2757 print_data_base (void)
2761 when
= time ((time_t *) 0);
2762 printf (_("\n# Make data base, printed on %s"), ctime (&when
));
2764 print_variable_data_base ();
2765 print_dir_data_base ();
2766 print_rule_data_base ();
2767 print_file_data_base ();
2768 print_vpath_data_base ();
2770 when
= time ((time_t *) 0);
2771 printf (_("\n# Finished Make data base on %s\n"), ctime (&when
));
2774 /* Exit with STATUS, cleaning up as necessary. */
2779 static char dying
= 0;
2787 if (print_version_flag
)
2790 /* Wait for children to die. */
2791 for (err
= (status
!= 0); job_slots_used
> 0; err
= 0)
2792 reap_children (1, err
);
2794 /* Let the remote job module clean up its state. */
2797 /* Remove the intermediate files. */
2798 remove_intermediates (0);
2800 if (print_data_base_flag
)
2803 /* Try to move back to the original directory. This is essential on
2804 MS-DOS (where there is really only one process), and on Unix it
2805 puts core files in the original directory instead of the -C
2806 directory. Must wait until after remove_intermediates(), or unlinks
2807 of relative pathnames fail. */
2808 if (directory_before_chdir
!= 0)
2809 chdir (directory_before_chdir
);
2811 log_working_directory (0);
2817 /* Write a message indicating that we've just entered or
2818 left (according to ENTERING) the current directory. */
2821 log_working_directory (int 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\n"), program
);
2843 printf (_("%s: Leaving an unknown directory\n"), 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\n"),
2855 program
, makelevel
);
2857 printf (_("%s[%u]: Leaving an unknown directory\n"),
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
);