1 /* $NetBSD: main.c,v 1.255 2017/01/31 06:54:23 sjg Exp $ */
4 * Copyright (c) 1988, 1989, 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * Copyright (c) 1989 by Berkeley Softworks
37 * All rights reserved.
39 * This code is derived from software contributed to Berkeley by
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
45 * 1. Redistributions of source code must retain the above copyright
46 * notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice, this list of conditions and the following disclaimer in the
49 * documentation and/or other materials provided with the distribution.
50 * 3. All advertising materials mentioning features or use of this software
51 * must display the following acknowledgement:
52 * This product includes software developed by the University of
53 * California, Berkeley and its contributors.
54 * 4. Neither the name of the University nor the names of its contributors
55 * may be used to endorse or promote products derived from this software
56 * without specific prior written permission.
58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72 static char rcsid
[] = "$NetBSD: main.c,v 1.255 2017/01/31 06:54:23 sjg Exp $";
74 #include <sys/cdefs.h>
76 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993\
77 The Regents of the University of California. All rights reserved.");
82 static char sccsid
[] = "@(#)main.c 8.3 (Berkeley) 3/19/94";
84 __RCSID("$NetBSD: main.c,v 1.255 2017/01/31 06:54:23 sjg Exp $");
91 * The main file for this entire program. Exit routines etc
94 * Utility functions defined in this file:
95 * Main_ParseArgLine Takes a line of arguments, breaks them and
96 * treats them as if they were given when first
97 * invoked. Used by the parse module to implement
100 * Error Print a tagged error message. The global
101 * MAKE variable must have been defined. This
102 * takes a format string and optional arguments
105 * Fatal Print an error message and exit. Also takes
106 * a format string and arguments for it.
108 * Punt Aborts all jobs and exits with a message. Also
109 * takes a format string and arguments for it.
111 * Finish Finish things up by printing the number of
112 * errors which occurred, as passed to it, and
116 #include <sys/types.h>
117 #include <sys/time.h>
118 #include <sys/param.h>
119 #include <sys/resource.h>
120 #include <sys/stat.h>
121 #if defined(MAKE_NATIVE) && defined(HAVE_SYSCTL)
122 #include <sys/sysctl.h>
124 #include <sys/utsname.h>
139 #include "pathnames.h"
147 #define DEFMAXLOCAL DEFMAXJOBS
148 #endif /* DEFMAXLOCAL */
151 # define __arraycount(__x) (sizeof(__x) / sizeof(__x[0]))
154 Lst create
; /* Targets to be made */
155 time_t now
; /* Time at start of make */
156 GNode
*DEFAULT
; /* .DEFAULT node */
157 Boolean allPrecious
; /* .PRECIOUS given on line by itself */
158 Boolean deleteOnError
; /* .DELETE_ON_ERROR: set */
160 static Boolean noBuiltins
; /* -r flag */
161 static Lst makefiles
; /* ordered list of makefiles to read */
162 static Boolean printVars
; /* print value of one or more vars */
163 static Lst variables
; /* list of variables to print */
164 int maxJobs
; /* -j argument */
165 static int maxJobTokens
; /* -j argument */
166 Boolean compatMake
; /* -B argument */
167 int debug
; /* -d argument */
168 Boolean debugVflag
; /* -dV */
169 Boolean noExecute
; /* -n flag */
170 Boolean noRecursiveExecute
; /* -N flag */
171 Boolean keepgoing
; /* -k flag */
172 Boolean queryFlag
; /* -q flag */
173 Boolean touchFlag
; /* -t flag */
174 Boolean enterFlag
; /* -w flag */
175 Boolean enterFlagObj
; /* -w and objdir != srcdir */
176 Boolean ignoreErrors
; /* -i flag */
177 Boolean beSilent
; /* -s flag */
178 Boolean oldVars
; /* variable substitution style */
179 Boolean checkEnvFirst
; /* -e flag */
180 Boolean parseWarnFatal
; /* -W flag */
181 Boolean jobServer
; /* -J flag */
182 static int jp_0
= -1, jp_1
= -1; /* ends of parent job pipe */
183 Boolean varNoExportEnv
; /* -X flag */
184 Boolean doing_depend
; /* Set while reading .depend */
185 static Boolean jobsRunning
; /* TRUE if the jobs might be running */
186 static const char * tracefile
;
187 static void MainParseArgs(int, char **);
188 static int ReadMakefile(const void *, const void *);
189 static void usage(void) MAKE_ATTR_DEAD
;
191 static Boolean ignorePWD
; /* if we use -C, PWD is meaningless */
192 static char objdir
[MAXPATHLEN
+ 1]; /* where we chdir'ed to */
193 char curdir
[MAXPATHLEN
+ 1]; /* Startup directory */
194 char *progname
; /* the program name */
195 char *makeDependfile
;
199 Boolean forceJobs
= FALSE
;
202 * On some systems MACHINE is defined as something other than
207 # define MACHINE FORCE_MACHINE
210 extern Lst parseIncPath
;
213 * For compatibility with the POSIX version of MAKEFLAGS that includes
214 * all the options with out -, convert flags to -f -l -a -g -s.
217 explode(const char *flags
)
226 for (f
= flags
; *f
; f
++)
227 if (!isalpha((unsigned char)*f
))
231 return bmake_strdup(flags
);
234 st
= nf
= bmake_malloc(len
* 3 + 1);
245 parse_debug_options(const char *argvalue
)
252 for (modules
= argvalue
; *modules
; ++modules
) {
270 debug
|= DEBUG_ERROR
;
276 if (modules
[1] == '1') {
277 debug
|= DEBUG_GRAPH1
;
280 else if (modules
[1] == '2') {
281 debug
|= DEBUG_GRAPH2
;
284 else if (modules
[1] == '3') {
285 debug
|= DEBUG_GRAPH3
;
302 debug
|= DEBUG_SCRIPT
;
305 debug
|= DEBUG_PARSE
;
320 debug
|= DEBUG_SHELL
;
323 if (debug_file
!= stdout
&& debug_file
!= stderr
)
325 if (*++modules
== '+') {
330 if (strcmp(modules
, "stdout") == 0) {
334 if (strcmp(modules
, "stderr") == 0) {
338 len
= strlen(modules
);
339 fname
= malloc(len
+ 20);
340 memcpy(fname
, modules
, len
+ 1);
341 /* Let the filename be modified by the pid */
342 if (strcmp(fname
+ len
- 3, ".%d") == 0)
343 snprintf(fname
+ len
- 2, 20, "%d", getpid());
344 debug_file
= fopen(fname
, mode
);
346 fprintf(stderr
, "Cannot open debug file %s\n",
353 (void)fprintf(stderr
,
354 "%s: illegal argument to d option -- %c\n",
361 * Make the debug_file unbuffered, and make
362 * stdout line buffered (unless debugfile == stdout).
364 setvbuf(debug_file
, NULL
, _IONBF
, 0);
365 if (debug_file
!= stdout
) {
366 setvbuf(stdout
, NULL
, _IOLBF
, 0);
372 * Parse a given argument vector. Called from main() and from
373 * Main_ParseArgLine() when the .MAKEFLAGS target is used.
375 * XXX: Deal with command line overriding .MAKEFLAGS in makefile
381 * Various global and local flags will be set depending on the flags
385 MainParseArgs(int argc
, char **argv
)
391 const char *getopt_def
;
393 Boolean inOption
, dashDash
= FALSE
;
394 char found_path
[MAXPATHLEN
+ 1]; /* for searching for sys.mk */
396 #define OPTFLAGS "BC:D:I:J:NST:V:WXd:ef:ij:km:nqrstw"
397 /* Can't actually use getopt(3) because rescanning is not portable */
399 getopt_def
= OPTFLAGS
;
417 if (c
!= '-' || dashDash
)
422 /* '-' found at some earlier point */
423 getopt_spec
= strchr(getopt_def
, c
);
424 if(c
!= '\0' && getopt_spec
!= NULL
&& getopt_spec
[1] == ':') {
425 /* -<something> found, and <something> should have an arg */
429 if(*argvalue
== '\0') {
445 Var_Append(MAKEFLAGS
, "-B", VAR_GLOBAL
);
446 Var_Set(MAKE_MODE
, "compat", VAR_GLOBAL
, 0);
449 if (chdir(argvalue
) == -1) {
450 (void)fprintf(stderr
,
451 "%s: chdir %s: %s\n",
456 if (getcwd(curdir
, MAXPATHLEN
) == NULL
) {
457 (void)fprintf(stderr
, "%s: %s.\n", progname
, strerror(errno
));
463 if (argvalue
== NULL
|| argvalue
[0] == 0) goto noarg
;
464 Var_Set(argvalue
, "1", VAR_GLOBAL
, 0);
465 Var_Append(MAKEFLAGS
, "-D", VAR_GLOBAL
);
466 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
469 if (argvalue
== NULL
) goto noarg
;
470 Parse_AddIncludeDir(argvalue
);
471 Var_Append(MAKEFLAGS
, "-I", VAR_GLOBAL
);
472 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
475 if (argvalue
== NULL
) goto noarg
;
476 if (sscanf(argvalue
, "%d,%d", &jp_0
, &jp_1
) != 2) {
477 (void)fprintf(stderr
,
478 "%s: internal error -- J option malformed (%s)\n",
482 if ((fcntl(jp_0
, F_GETFD
, 0) < 0) ||
483 (fcntl(jp_1
, F_GETFD
, 0) < 0)) {
485 (void)fprintf(stderr
,
486 "%s: ###### warning -- J descriptors were closed!\n",
494 Var_Append(MAKEFLAGS
, "-J", VAR_GLOBAL
);
495 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
501 noRecursiveExecute
= TRUE
;
502 Var_Append(MAKEFLAGS
, "-N", VAR_GLOBAL
);
506 Var_Append(MAKEFLAGS
, "-S", VAR_GLOBAL
);
509 if (argvalue
== NULL
) goto noarg
;
510 tracefile
= bmake_strdup(argvalue
);
511 Var_Append(MAKEFLAGS
, "-T", VAR_GLOBAL
);
512 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
515 if (argvalue
== NULL
) goto noarg
;
517 (void)Lst_AtEnd(variables
, argvalue
);
518 Var_Append(MAKEFLAGS
, "-V", VAR_GLOBAL
);
519 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
522 parseWarnFatal
= TRUE
;
525 varNoExportEnv
= TRUE
;
526 Var_Append(MAKEFLAGS
, "-X", VAR_GLOBAL
);
529 if (argvalue
== NULL
) goto noarg
;
530 /* If '-d-opts' don't pass to children */
531 if (argvalue
[0] == '-')
534 Var_Append(MAKEFLAGS
, "-d", VAR_GLOBAL
);
535 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
537 parse_debug_options(argvalue
);
540 checkEnvFirst
= TRUE
;
541 Var_Append(MAKEFLAGS
, "-e", VAR_GLOBAL
);
544 if (argvalue
== NULL
) goto noarg
;
545 (void)Lst_AtEnd(makefiles
, argvalue
);
549 Var_Append(MAKEFLAGS
, "-i", VAR_GLOBAL
);
552 if (argvalue
== NULL
) goto noarg
;
554 maxJobs
= strtol(argvalue
, &p
, 0);
555 if (*p
!= '\0' || maxJobs
< 1) {
556 (void)fprintf(stderr
, "%s: illegal argument to -j -- must be positive integer!\n",
560 Var_Append(MAKEFLAGS
, "-j", VAR_GLOBAL
);
561 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
562 Var_Set(".MAKE.JOBS", argvalue
, VAR_GLOBAL
, 0);
563 maxJobTokens
= maxJobs
;
567 Var_Append(MAKEFLAGS
, "-k", VAR_GLOBAL
);
570 if (argvalue
== NULL
) goto noarg
;
571 /* look for magic parent directory search string */
572 if (strncmp(".../", argvalue
, 4) == 0) {
573 if (!Dir_FindHereOrAbove(curdir
, argvalue
+4,
574 found_path
, sizeof(found_path
)))
575 break; /* nothing doing */
576 (void)Dir_AddDir(sysIncPath
, found_path
);
578 (void)Dir_AddDir(sysIncPath
, argvalue
);
580 Var_Append(MAKEFLAGS
, "-m", VAR_GLOBAL
);
581 Var_Append(MAKEFLAGS
, argvalue
, VAR_GLOBAL
);
585 Var_Append(MAKEFLAGS
, "-n", VAR_GLOBAL
);
589 /* Kind of nonsensical, wot? */
590 Var_Append(MAKEFLAGS
, "-q", VAR_GLOBAL
);
594 Var_Append(MAKEFLAGS
, "-r", VAR_GLOBAL
);
598 Var_Append(MAKEFLAGS
, "-s", VAR_GLOBAL
);
602 Var_Append(MAKEFLAGS
, "-t", VAR_GLOBAL
);
606 Var_Append(MAKEFLAGS
, "-w", VAR_GLOBAL
);
614 fprintf(stderr
, "getopt(%s) -> %d (%c)\n",
626 * See if the rest of the arguments are variable assignments and
627 * perform them if so. Else take them to be targets and stuff them
628 * on the end of the "create" list.
630 for (; argc
> 1; ++argv
, --argc
)
631 if (Parse_IsVar(argv
[1])) {
632 Parse_DoVar(argv
[1], VAR_CMD
);
635 Punt("illegal (null) argument.");
636 if (*argv
[1] == '-' && !dashDash
)
638 (void)Lst_AtEnd(create
, bmake_strdup(argv
[1]));
643 (void)fprintf(stderr
, "%s: option requires an argument -- %c\n",
649 * Main_ParseArgLine --
650 * Used by the parse module when a .MFLAGS or .MAKEFLAGS target
651 * is encountered and by main() when reading the .MAKEFLAGS envariable.
652 * Takes a line of arguments and breaks it into its
653 * component words and passes those words and the number of them to the
654 * MainParseArgs function.
655 * The line should have all its leading whitespace removed.
658 * line Line to fracture
664 * Only those that come from the various arguments.
667 Main_ParseArgLine(const char *line
)
669 char **argv
; /* Manufactured argument vector */
670 int argc
; /* Number of arguments in argv */
671 char *args
; /* Space used by the args */
673 char *argv0
= Var_Value(".MAKE", VAR_GLOBAL
, &p1
);
678 for (; *line
== ' '; ++line
)
686 * $MAKE may simply be naming the make(1) binary
690 if (!(cp
= strrchr(line
, '/')))
692 if ((cp
= strstr(cp
, "make")) &&
693 strcmp(cp
, "make") == 0)
697 buf
= bmake_malloc(len
= strlen(line
) + strlen(argv0
) + 2);
698 (void)snprintf(buf
, len
, "%s %s", argv0
, line
);
701 argv
= brk_string(buf
, &argc
, TRUE
, &args
);
703 Error("Unterminated quoted string [%s]", buf
);
708 MainParseArgs(argc
, argv
);
715 Main_SetObjdir(const char *fmt
, ...)
719 char buf
[MAXPATHLEN
+ 1], pbuf
[MAXPATHLEN
+ 1];
724 vsnprintf(path
= pbuf
, MAXPATHLEN
, fmt
, ap
);
727 /* expand variable substitutions */
728 if (strchr(path
, '$') != 0) {
729 snprintf(buf
, MAXPATHLEN
, "%s", path
);
730 path
= p
= Var_Subst(NULL
, buf
, VAR_GLOBAL
, VARF_WANTRES
);
734 if (path
[0] != '/') {
735 snprintf(buf
, MAXPATHLEN
, "%s/%s", curdir
, path
);
739 /* look for the directory and try to chdir there */
740 if (stat(path
, &sb
) == 0 && S_ISDIR(sb
.st_mode
)) {
742 (void)fprintf(stderr
, "make warning: %s: %s.\n",
743 path
, strerror(errno
));
745 strncpy(objdir
, path
, MAXPATHLEN
);
746 Var_Set(".OBJDIR", objdir
, VAR_GLOBAL
, 0);
747 setenv("PWD", objdir
, 1);
750 if (enterFlag
&& strcmp(objdir
, curdir
) != 0)
760 Main_SetVarObjdir(const char *var
, const char *suffix
)
763 if ((path
= Var_Value(var
, VAR_CMD
, &p1
)) == NULL
)
766 (void)Main_SetObjdir("%s%s", path
, suffix
);
772 * ReadAllMakefiles --
773 * wrapper around ReadMakefile() to read all.
776 * TRUE if ok, FALSE on error
779 ReadAllMakefiles(const void *p
, const void *q
)
781 return (ReadMakefile(p
, q
) == 0);
785 str2Lst_Append(Lst lp
, char *str
, const char *sep
)
793 for (n
= 0, cp
= strtok(str
, sep
); cp
; cp
= strtok(NULL
, sep
)) {
794 (void)Lst_AtEnd(lp
, cp
);
803 siginfo(int signo MAKE_ATTR_UNUSED
)
805 char dir
[MAXPATHLEN
];
806 char str
[2 * MAXPATHLEN
];
808 if (getcwd(dir
, sizeof(dir
)) == NULL
)
810 len
= snprintf(str
, sizeof(str
), "%s: Working in: %s\n", progname
, dir
);
812 (void)write(STDERR_FILENO
, str
, (size_t)len
);
817 * Allow makefiles some control over the mode we run in.
820 MakeMode(const char *mode
)
825 mode
= mp
= Var_Subst(NULL
, "${" MAKE_MODE
":tl}",
826 VAR_GLOBAL
, VARF_WANTRES
);
829 if (strstr(mode
, "compat")) {
834 if (strstr(mode
, "meta"))
835 meta_mode_init(mode
);
844 * The main function, for obvious reasons. Initializes variables
845 * and a few modules, then parses the arguments give it in the
846 * environment and on the command line. Reads the system makefile
847 * followed by either Makefile, makefile or the file given by the
848 * -f argument. Sets the .MAKEFLAGS PMake variable based on all the
849 * flags it has received by then uses either the Make or the Compat
850 * module to create the initial list of targets.
853 * If -q was given, exits -1 if anything was out-of-date. Else it exits
857 * The program exits when done. Targets are created. etc. etc. etc.
860 main(int argc
, char **argv
)
862 Lst targs
; /* target nodes to create -- passed to Make_Init */
863 Boolean outOfDate
= FALSE
; /* FALSE if all targets up to date */
866 char mdpath
[MAXPATHLEN
];
868 const char *machine
= FORCE_MACHINE
;
870 const char *machine
= getenv("MACHINE");
872 const char *machine_arch
= getenv("MACHINE_ARCH");
873 char *syspath
= getenv("MAKESYSPATH");
874 Lst sysMkPath
; /* Path of sys.mk */
875 char *cp
= NULL
, *start
;
876 /* avoid faults on read-only strings */
877 static char defsyspath
[] = _PATH_DEFSYSPATH
;
878 char found_path
[MAXPATHLEN
+ 1]; /* for searching for sys.mk */
879 struct timeval rightnow
; /* to initialize random seed */
880 struct utsname utsname
;
882 /* default to writing debug to stderr */
886 (void)bmake_signal(SIGINFO
, siginfo
);
889 * Set the seed to produce a different random sequence
890 * on each program execution.
892 gettimeofday(&rightnow
, NULL
);
893 srandom(rightnow
.tv_sec
+ rightnow
.tv_usec
);
895 if ((progname
= strrchr(argv
[0], '/')) != NULL
)
899 #if defined(MAKE_NATIVE) || (defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE))
901 * get rid of resource limit on file descriptors
905 if (getrlimit(RLIMIT_NOFILE
, &rl
) != -1 &&
906 rl
.rlim_cur
!= rl
.rlim_max
) {
907 rl
.rlim_cur
= rl
.rlim_max
;
908 (void)setrlimit(RLIMIT_NOFILE
, &rl
);
913 if (uname(&utsname
) == -1) {
914 (void)fprintf(stderr
, "%s: uname failed (%s).\n", progname
,
920 * Get the name of this type of MACHINE from utsname
921 * so we can share an executable for similar machines.
922 * (i.e. m68k: amiga hp300, mac68k, sun3, ...)
924 * Note that both MACHINE and MACHINE_ARCH are decided at
929 machine
= utsname
.machine
;
932 machine
= MAKE_MACHINE
;
940 #if defined(MAKE_NATIVE) && defined(HAVE_SYSCTL) && defined(CTL_HW) && defined(HW_MACHINE_ARCH)
941 static char machine_arch_buf
[sizeof(utsname
.machine
)];
942 int mib
[2] = { CTL_HW
, HW_MACHINE_ARCH
};
943 size_t len
= sizeof(machine_arch_buf
);
945 if (sysctl(mib
, __arraycount(mib
), machine_arch_buf
,
946 &len
, NULL
, 0) < 0) {
947 (void)fprintf(stderr
, "%s: sysctl failed (%s).\n", progname
,
952 machine_arch
= machine_arch_buf
;
955 #ifdef MAKE_MACHINE_ARCH
956 machine_arch
= MAKE_MACHINE_ARCH
;
958 machine_arch
= "unknown";
961 machine_arch
= MACHINE_ARCH
;
966 myPid
= getpid(); /* remember this for vFork() */
969 * Just in case MAKEOBJDIR wants us to do something tricky.
971 Var_Init(); /* Initialize the lists of variables for
972 * parsing arguments */
973 Var_Set(".MAKE.OS", utsname
.sysname
, VAR_GLOBAL
, 0);
974 Var_Set("MACHINE", machine
, VAR_GLOBAL
, 0);
975 Var_Set("MACHINE_ARCH", machine_arch
, VAR_GLOBAL
, 0);
977 Var_Set("MAKE_VERSION", MAKE_VERSION
, VAR_GLOBAL
, 0);
979 Var_Set(".newline", "\n", VAR_GLOBAL
, 0); /* handy for :@ loops */
981 * This is the traditional preference for makefiles.
983 #ifndef MAKEFILE_PREFERENCE_LIST
984 # define MAKEFILE_PREFERENCE_LIST "makefile Makefile"
986 Var_Set(MAKEFILE_PREFERENCE
, MAKEFILE_PREFERENCE_LIST
,
988 Var_Set(MAKE_DEPENDFILE
, ".depend", VAR_GLOBAL
, 0);
990 create
= Lst_Init(FALSE
);
991 makefiles
= Lst_Init(FALSE
);
994 variables
= Lst_Init(FALSE
);
995 beSilent
= FALSE
; /* Print commands as executed */
996 ignoreErrors
= FALSE
; /* Pay attention to non-zero returns */
997 noExecute
= FALSE
; /* Execute all commands */
998 noRecursiveExecute
= FALSE
; /* Execute all .MAKE targets */
999 keepgoing
= FALSE
; /* Stop on error */
1000 allPrecious
= FALSE
; /* Remove targets when interrupted */
1001 deleteOnError
= FALSE
; /* Historical default behavior */
1002 queryFlag
= FALSE
; /* This is not just a check-run */
1003 noBuiltins
= FALSE
; /* Read the built-in rules */
1004 touchFlag
= FALSE
; /* Actually update targets */
1005 debug
= 0; /* No debug verbosity, please. */
1006 jobsRunning
= FALSE
;
1008 maxJobs
= DEFMAXLOCAL
; /* Set default local max concurrency */
1009 maxJobTokens
= maxJobs
;
1010 compatMake
= FALSE
; /* No compat mode */
1014 * Initialize the parsing, directory and variable modules to prepare
1015 * for the reading of inclusion paths and variable settings on the
1020 * Initialize various variables.
1021 * MAKE also gets this name, for compatibility
1022 * .MAKEFLAGS gets set to the empty string just in case.
1023 * MFLAGS also gets initialized empty, for compatibility.
1026 if (argv
[0][0] == '/' || strchr(argv
[0], '/') == NULL
) {
1028 * Leave alone if it is an absolute path, or if it does
1029 * not contain a '/' in which case we need to find it in
1030 * the path, like execvp(3) and the shells do.
1035 * A relative path, canonicalize it.
1037 p1
= cached_realpath(argv
[0], mdpath
);
1038 if (!p1
|| *p1
!= '/' || stat(p1
, &sb
) < 0) {
1039 p1
= argv
[0]; /* realpath failed */
1042 Var_Set("MAKE", p1
, VAR_GLOBAL
, 0);
1043 Var_Set(".MAKE", p1
, VAR_GLOBAL
, 0);
1044 Var_Set(MAKEFLAGS
, "", VAR_GLOBAL
, 0);
1045 Var_Set(MAKEOVERRIDES
, "", VAR_GLOBAL
, 0);
1046 Var_Set("MFLAGS", "", VAR_GLOBAL
, 0);
1047 Var_Set(".ALLTARGETS", "", VAR_GLOBAL
, 0);
1048 /* some makefiles need to know this */
1049 Var_Set(MAKE_LEVEL
".ENV", MAKE_LEVEL_ENV
, VAR_CMD
, 0);
1052 * Set some other useful macros
1057 makelevel
= ((ep
= getenv(MAKE_LEVEL_ENV
)) && *ep
) ? atoi(ep
) : 0;
1060 snprintf(tmp
, sizeof(tmp
), "%d", makelevel
);
1061 Var_Set(MAKE_LEVEL
, tmp
, VAR_GLOBAL
, 0);
1062 snprintf(tmp
, sizeof(tmp
), "%u", myPid
);
1063 Var_Set(".MAKE.PID", tmp
, VAR_GLOBAL
, 0);
1064 snprintf(tmp
, sizeof(tmp
), "%u", getppid());
1065 Var_Set(".MAKE.PPID", tmp
, VAR_GLOBAL
, 0);
1067 if (makelevel
> 0) {
1069 snprintf(pn
, sizeof(pn
), "%s[%d]", progname
, makelevel
);
1070 progname
= bmake_strdup(pn
);
1076 Dir_Init(NULL
); /* Dir_* safe to call from MainParseArgs */
1079 * First snag any flags out of the MAKE environment variable.
1080 * (Note this is *not* MAKEFLAGS since /bin/make uses that and it's
1081 * in a different format).
1084 p1
= explode(getenv("MAKEFLAGS"));
1085 Main_ParseArgLine(p1
);
1088 Main_ParseArgLine(getenv("MAKE"));
1092 * Find where we are (now).
1093 * We take care of PWD for the automounter below...
1095 if (getcwd(curdir
, MAXPATHLEN
) == NULL
) {
1096 (void)fprintf(stderr
, "%s: getcwd: %s.\n",
1097 progname
, strerror(errno
));
1101 MainParseArgs(argc
, argv
);
1104 printf("%s: Entering directory `%s'\n", progname
, curdir
);
1107 * Verify that cwd is sane.
1109 if (stat(curdir
, &sa
) == -1) {
1110 (void)fprintf(stderr
, "%s: %s: %s.\n",
1111 progname
, curdir
, strerror(errno
));
1116 * All this code is so that we know where we are when we start up
1117 * on a different machine with pmake.
1118 * Overriding getcwd() with $PWD totally breaks MAKEOBJDIRPREFIX
1119 * since the value of curdir can vary depending on how we got
1120 * here. Ie sitting at a shell prompt (shell that provides $PWD)
1121 * or via subdir.mk in which case its likely a shell which does
1123 * So, to stop it breaking this case only, we ignore PWD if
1124 * MAKEOBJDIRPREFIX is set or MAKEOBJDIR contains a transform.
1126 #ifndef NO_PWD_OVERRIDE
1128 char *pwd
, *ptmp1
= NULL
, *ptmp2
= NULL
;
1130 if ((pwd
= getenv("PWD")) != NULL
&&
1131 Var_Value("MAKEOBJDIRPREFIX", VAR_CMD
, &ptmp1
) == NULL
) {
1132 const char *makeobjdir
= Var_Value("MAKEOBJDIR",
1135 if (makeobjdir
== NULL
|| !strchr(makeobjdir
, '$')) {
1136 if (stat(pwd
, &sb
) == 0 &&
1137 sa
.st_ino
== sb
.st_ino
&&
1138 sa
.st_dev
== sb
.st_dev
)
1139 (void)strncpy(curdir
, pwd
, MAXPATHLEN
);
1146 Var_Set(".CURDIR", curdir
, VAR_GLOBAL
, 0);
1149 * Find the .OBJDIR. If MAKEOBJDIRPREFIX, or failing that,
1150 * MAKEOBJDIR is set in the environment, try only that value
1151 * and fall back to .CURDIR if it does not exist.
1153 * Otherwise, try _PATH_OBJDIR.MACHINE-MACHINE_ARCH, _PATH_OBJDIR.MACHINE,
1154 * and * finally _PATH_OBJDIRPREFIX`pwd`, in that order. If none
1155 * of these paths exist, just use .CURDIR.
1158 (void)Main_SetObjdir("%s", curdir
);
1160 if (!Main_SetVarObjdir("MAKEOBJDIRPREFIX", curdir
) &&
1161 !Main_SetVarObjdir("MAKEOBJDIR", "") &&
1162 !Main_SetObjdir("%s.%s-%s", _PATH_OBJDIR
, machine
, machine_arch
) &&
1163 !Main_SetObjdir("%s.%s", _PATH_OBJDIR
, machine
) &&
1164 !Main_SetObjdir("%s", _PATH_OBJDIR
))
1165 (void)Main_SetObjdir("%s%s", _PATH_OBJDIRPREFIX
, curdir
);
1168 * Initialize archive, target and suffix modules in preparation for
1169 * parsing the makefile(s)
1174 Trace_Init(tracefile
);
1179 Trace_Log(MAKESTART
, NULL
);
1182 * Set up the .TARGETS variable to contain the list of targets to be
1183 * created. If none specified, make the variable empty -- the parser
1184 * will fill the thing in with the default or .MAIN target.
1186 if (!Lst_IsEmpty(create
)) {
1189 for (ln
= Lst_First(create
); ln
!= NULL
;
1190 ln
= Lst_Succ(ln
)) {
1191 char *name
= (char *)Lst_Datum(ln
);
1193 Var_Append(".TARGETS", name
, VAR_GLOBAL
);
1196 Var_Set(".TARGETS", "", VAR_GLOBAL
, 0);
1200 * If no user-supplied system path was given (through the -m option)
1201 * add the directories from the DEFSYSPATH (more than one may be given
1202 * as dir1:...:dirn) to the system include path.
1204 if (syspath
== NULL
|| *syspath
== '\0')
1205 syspath
= defsyspath
;
1207 syspath
= bmake_strdup(syspath
);
1209 for (start
= syspath
; *start
!= '\0'; start
= cp
) {
1210 for (cp
= start
; *cp
!= '\0' && *cp
!= ':'; cp
++)
1215 /* look for magic parent directory search string */
1216 if (strncmp(".../", start
, 4) != 0) {
1217 (void)Dir_AddDir(defIncPath
, start
);
1219 if (Dir_FindHereOrAbove(curdir
, start
+4,
1220 found_path
, sizeof(found_path
))) {
1221 (void)Dir_AddDir(defIncPath
, found_path
);
1225 if (syspath
!= defsyspath
)
1229 * Read in the built-in rules first, followed by the specified
1230 * makefile, if it was (makefile != NULL), or the default
1231 * makefile and Makefile, in that order, if it wasn't.
1236 sysMkPath
= Lst_Init(FALSE
);
1237 Dir_Expand(_PATH_DEFSYSMK
,
1238 Lst_IsEmpty(sysIncPath
) ? defIncPath
: sysIncPath
,
1240 if (Lst_IsEmpty(sysMkPath
))
1241 Fatal("%s: no system rules (%s).", progname
,
1243 ln
= Lst_Find(sysMkPath
, NULL
, ReadMakefile
);
1245 Fatal("%s: cannot open %s.", progname
,
1246 (char *)Lst_Datum(ln
));
1249 if (!Lst_IsEmpty(makefiles
)) {
1252 ln
= Lst_Find(makefiles
, NULL
, ReadAllMakefiles
);
1254 Fatal("%s: cannot open %s.", progname
,
1255 (char *)Lst_Datum(ln
));
1257 p1
= Var_Subst(NULL
, "${" MAKEFILE_PREFERENCE
"}",
1258 VAR_CMD
, VARF_WANTRES
);
1260 (void)str2Lst_Append(makefiles
, p1
, NULL
);
1261 (void)Lst_Find(makefiles
, NULL
, ReadMakefile
);
1266 /* In particular suppress .depend for '-r -V .OBJDIR -f /dev/null' */
1267 if (!noBuiltins
|| !printVars
) {
1268 makeDependfile
= Var_Subst(NULL
, "${.MAKE.DEPENDFILE:T}",
1269 VAR_CMD
, VARF_WANTRES
);
1270 doing_depend
= TRUE
;
1271 (void)ReadMakefile(makeDependfile
, NULL
);
1272 doing_depend
= FALSE
;
1276 printf("%s: Entering directory `%s'\n", progname
, objdir
);
1280 Var_Append("MFLAGS", Var_Value(MAKEFLAGS
, VAR_GLOBAL
, &p1
), VAR_GLOBAL
);
1283 if (!forceJobs
&& !compatMake
&&
1284 Var_Exists(".MAKE.JOBS", VAR_GLOBAL
)) {
1288 value
= Var_Subst(NULL
, "${.MAKE.JOBS}", VAR_GLOBAL
, VARF_WANTRES
);
1289 n
= strtol(value
, NULL
, 0);
1291 (void)fprintf(stderr
, "%s: illegal value for .MAKE.JOBS -- must be positive integer!\n",
1296 Var_Append(MAKEFLAGS
, "-j", VAR_GLOBAL
);
1297 Var_Append(MAKEFLAGS
, value
, VAR_GLOBAL
);
1300 maxJobTokens
= maxJobs
;
1306 * Be compatible if user did not specify -j and did not explicitly
1307 * turned compatibility on
1309 if (!compatMake
&& !forceJobs
) {
1314 Job_ServerStart(maxJobTokens
, jp_0
, jp_1
);
1316 fprintf(debug_file
, "job_pipe %d %d, maxjobs %d, tokens %d, compat %d\n",
1317 jp_0
, jp_1
, maxJobs
, maxJobTokens
, compatMake
);
1320 Main_ExportMAKEFLAGS(TRUE
); /* initial export */
1323 * For compatibility, look at the directories in the VPATH variable
1324 * and add them to the search path, if the variable is defined. The
1325 * variable's value is in the same format as the PATH envariable, i.e.
1326 * <directory>:<directory>:<directory>...
1328 if (Var_Exists("VPATH", VAR_CMD
)) {
1331 * GCC stores string constants in read-only memory, but
1332 * Var_Subst will want to write this thing, so store it
1335 static char VPATH
[] = "${VPATH}";
1337 vpath
= Var_Subst(NULL
, VPATH
, VAR_CMD
, VARF_WANTRES
);
1340 /* skip to end of directory */
1341 for (cp
= path
; *cp
!= ':' && *cp
!= '\0'; cp
++)
1343 /* Save terminator character so know when to stop */
1346 /* Add directory to search path */
1347 (void)Dir_AddDir(dirSearchPath
, path
);
1350 } while (savec
== ':');
1355 * Now that all search paths have been read for suffixes et al, it's
1356 * time to add the default search path to their lists...
1361 * Propagate attributes through :: dependency lists.
1365 /* print the initial graph, if the user requested it */
1369 /* print the values of any variables requested by the user */
1377 expandVars
= getBoolean(".MAKE.EXPAND_VARIABLES", FALSE
);
1378 for (ln
= Lst_First(variables
); ln
!= NULL
;
1379 ln
= Lst_Succ(ln
)) {
1380 char *var
= (char *)Lst_Datum(ln
);
1383 if (strchr(var
, '$')) {
1384 value
= p1
= Var_Subst(NULL
, var
, VAR_GLOBAL
,
1386 } else if (expandVars
) {
1389 if (snprintf(tmp
, sizeof(tmp
), "${%s}", var
) >= (int)(sizeof(tmp
)))
1390 Fatal("%s: variable name too big: %s",
1392 value
= p1
= Var_Subst(NULL
, tmp
, VAR_GLOBAL
,
1395 value
= Var_Value(var
, VAR_GLOBAL
, &p1
);
1397 printf("%s\n", value
? value
: "");
1402 * Have now read the entire graph and need to make a list of
1403 * targets to create. If none was given on the command line,
1404 * we consult the parsing module to find the main target(s)
1407 if (Lst_IsEmpty(create
))
1408 targs
= Parse_MainName();
1410 targs
= Targ_FindList(create
, TARG_CREATE
);
1414 * Initialize job module before traversing the graph
1415 * now that any .BEGIN and .END targets have been read.
1416 * This is done only if the -q flag wasn't given
1417 * (to prevent the .BEGIN from being executed should
1425 /* Traverse the graph, checking on all the targets */
1426 outOfDate
= Make_Run(targs
);
1429 * Compat_Init will take care of creating all the
1430 * targets as well as initializing the module.
1437 Lst_Destroy(targs
, NULL
);
1438 Lst_Destroy(variables
, NULL
);
1439 Lst_Destroy(makefiles
, NULL
);
1440 Lst_Destroy(create
, (FreeProc
*)free
);
1443 /* print the graph now it's been processed if the user requested it */
1447 Trace_Log(MAKEEND
, 0);
1450 printf("%s: Leaving directory `%s'\n", progname
, objdir
);
1452 printf("%s: Leaving directory `%s'\n", progname
, curdir
);
1466 return outOfDate
? 1 : 0;
1471 * Open and parse the given makefile.
1474 * 0 if ok. -1 if couldn't open file.
1480 ReadMakefile(const void *p
, const void *q MAKE_ATTR_UNUSED
)
1482 const char *fname
= p
; /* makefile to read */
1484 size_t len
= MAXPATHLEN
;
1485 char *name
, *path
= bmake_malloc(len
);
1487 if (!strcmp(fname
, "-")) {
1488 Parse_File(NULL
/*stdin*/, -1);
1489 Var_Set("MAKEFILE", "", VAR_INTERNAL
, 0);
1491 /* if we've chdir'd, rebuild the path name */
1492 if (strcmp(curdir
, objdir
) && *fname
!= '/') {
1493 size_t plen
= strlen(curdir
) + strlen(fname
) + 2;
1495 path
= bmake_realloc(path
, len
= 2 * plen
);
1497 (void)snprintf(path
, len
, "%s/%s", curdir
, fname
);
1498 fd
= open(path
, O_RDONLY
);
1504 /* If curdir failed, try objdir (ala .depend) */
1505 plen
= strlen(objdir
) + strlen(fname
) + 2;
1507 path
= bmake_realloc(path
, len
= 2 * plen
);
1508 (void)snprintf(path
, len
, "%s/%s", objdir
, fname
);
1509 fd
= open(path
, O_RDONLY
);
1515 fd
= open(fname
, O_RDONLY
);
1519 /* look in -I and system include directories. */
1520 name
= Dir_FindFile(fname
, parseIncPath
);
1522 name
= Dir_FindFile(fname
,
1523 Lst_IsEmpty(sysIncPath
) ? defIncPath
: sysIncPath
);
1524 if (!name
|| (fd
= open(name
, O_RDONLY
)) == -1) {
1531 * set the MAKEFILE variable desired by System V fans -- the
1532 * placement of the setting here means it gets set to the last
1533 * makefile specified, as it is set by SysV make.
1537 Var_Set("MAKEFILE", fname
, VAR_INTERNAL
, 0);
1538 Parse_File(fname
, fd
);
1548 * Execute the command in cmd, and return the output of that command
1552 * A string containing the output of the command, or the empty string
1553 * If errnum is not NULL, it contains the reason for the command failure
1556 * The string must be freed by the caller.
1559 Cmd_Exec(const char *cmd
, const char **errnum
)
1561 const char *args
[4]; /* Args for invoking the shell */
1562 int fds
[2]; /* Pipe streams */
1563 int cpid
; /* Child PID */
1564 int pid
; /* PID from wait() */
1565 char *res
; /* result */
1566 WAIT_T status
; /* command exit status */
1567 Buffer buf
; /* buffer to store the result */
1569 int cc
; /* bytes read, or -1 */
1570 int savederr
; /* saved errno */
1578 * Set up arguments for shell
1580 args
[0] = shellName
;
1586 * Open a pipe for fetching its output
1588 if (pipe(fds
) == -1) {
1589 *errnum
= "Couldn't create pipe for \"%s\"";
1596 switch (cpid
= vFork()) {
1599 * Close input side of pipe
1601 (void)close(fds
[0]);
1604 * Duplicate the output stream to the shell's output, then
1605 * shut the extra thing down. Note we don't fetch the error
1606 * stream...why not? Why?
1608 (void)dup2(fds
[1], 1);
1609 (void)close(fds
[1]);
1613 (void)execv(shellPath
, UNCONST(args
));
1618 *errnum
= "Couldn't exec \"%s\"";
1623 * No need for the writing half
1625 (void)close(fds
[1]);
1631 char result
[BUFSIZ
];
1632 cc
= read(fds
[0], result
, sizeof(result
));
1634 Buf_AddBytes(&buf
, cc
, result
);
1636 while (cc
> 0 || (cc
== -1 && errno
== EINTR
));
1641 * Close the input side of the pipe.
1643 (void)close(fds
[0]);
1646 * Wait for the process to exit.
1648 while(((pid
= waitpid(cpid
, &status
, 0)) != cpid
) && (pid
>= 0)) {
1649 JobReapChild(pid
, status
, FALSE
);
1652 cc
= Buf_Size(&buf
);
1653 res
= Buf_Destroy(&buf
, FALSE
);
1656 *errnum
= "Couldn't read shell's output for \"%s\"";
1658 if (WIFSIGNALED(status
))
1659 *errnum
= "\"%s\" exited on a signal";
1660 else if (WEXITSTATUS(status
) != 0)
1661 *errnum
= "\"%s\" returned non-zero status";
1664 * Null-terminate the result, convert newlines to spaces and
1665 * install it in the variable.
1670 if (cc
> 0 && *--cp
== '\n') {
1672 * A final newline is just stripped
1686 res
= bmake_malloc(1);
1693 * Print an error message given its format.
1699 * The message is printed.
1703 Error(const char *fmt
, ...)
1708 err_file
= debug_file
;
1709 if (err_file
== stdout
)
1711 (void)fflush(stdout
);
1714 fprintf(err_file
, "%s: ", progname
);
1715 (void)vfprintf(err_file
, fmt
, ap
);
1717 (void)fprintf(err_file
, "\n");
1718 (void)fflush(err_file
);
1719 if (err_file
== stderr
)
1727 * Produce a Fatal error message. If jobs are running, waits for them
1738 Fatal(const char *fmt
, ...)
1746 (void)fflush(stdout
);
1747 (void)vfprintf(stderr
, fmt
, ap
);
1749 (void)fprintf(stderr
, "\n");
1750 (void)fflush(stderr
);
1752 PrintOnError(NULL
, NULL
);
1754 if (DEBUG(GRAPH2
) || DEBUG(GRAPH3
))
1756 Trace_Log(MAKEERROR
, 0);
1757 exit(2); /* Not 1 so -q can distinguish error */
1762 * Major exception once jobs are being created. Kills all jobs, prints
1763 * a message and exits.
1769 * All children are killed indiscriminately and the program Lib_Exits
1773 Punt(const char *fmt
, ...)
1778 (void)fflush(stdout
);
1779 (void)fprintf(stderr
, "%s: ", progname
);
1780 (void)vfprintf(stderr
, fmt
, ap
);
1782 (void)fprintf(stderr
, "\n");
1783 (void)fflush(stderr
);
1785 PrintOnError(NULL
, NULL
);
1792 * Exit without giving a message.
1807 Trace_Log(MAKEERROR
, 0);
1808 exit(2); /* Not 1, so -q can distinguish error */
1813 * Called when aborting due to errors in child shell to signal
1824 /* number of errors encountered in Make_Make */
1826 Fatal("%d error%s", errors
, errors
== 1 ? "" : "s");
1831 * Remove a file carefully, avoiding directories.
1834 eunlink(const char *file
)
1838 if (lstat(file
, &st
) == -1)
1841 if (S_ISDIR(st
.st_mode
)) {
1845 return unlink(file
);
1850 * Print why exec failed, avoiding stdio.
1853 execError(const char *af
, const char *av
)
1857 struct iovec iov
[8];
1859 (void)(iov[i].iov_base = UNCONST(s), \
1860 iov[i].iov_len = strlen(iov[i].iov_base), \
1863 #define IOADD(s) (void)write(2, s, strlen(s))
1871 IOADD(") failed (");
1872 IOADD(strerror(errno
));
1876 while (writev(2, iov
, 8) == -1 && errno
== EAGAIN
)
1883 * exit with usage message
1889 if ((p
= strchr(progname
, '[')) != NULL
)
1892 (void)fprintf(stderr
,
1893 "usage: %s [-BeikNnqrstWwX] \n\
1894 [-C directory] [-D variable] [-d flags] [-f makefile]\n\
1895 [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]\n\
1896 [-V variable] [variable=value] [target ...]\n", progname
);
1902 * realpath(3) can get expensive, cache results...
1905 cached_realpath(const char *pathname
, char *resolved
)
1907 static GNode
*cache
;
1910 if (!pathname
|| !pathname
[0])
1914 cache
= Targ_NewGN("Realpath");
1915 #ifndef DEBUG_REALPATH_CACHE
1916 cache
->flags
= INTERNAL
;
1920 if ((rp
= Var_Value(pathname
, cache
, &cp
)) != NULL
) {
1922 strlcpy(resolved
, rp
, MAXPATHLEN
);
1923 } else if ((rp
= realpath(pathname
, resolved
)) != NULL
) {
1924 Var_Set(pathname
, rp
, cache
, 0);
1927 return rp
? resolved
: NULL
;
1931 PrintAddr(void *a
, void *b
)
1933 printf("%lx ", (unsigned long) a
);
1939 addErrorCMD(void *cmdp
, void *gnp MAKE_ATTR_UNUSED
)
1942 return 1; /* stop */
1943 Var_Append(".ERROR_CMD", cmdp
, VAR_GLOBAL
);
1948 PrintOnError(GNode
*gn
, const char *s
)
1950 static GNode
*en
= NULL
;
1957 printf("\n%s: stopped in %s\n", progname
, curdir
);
1960 return; /* we've been here! */
1963 * We can print this even if there is no .ERROR target.
1965 Var_Set(".ERROR_TARGET", gn
->name
, VAR_GLOBAL
, 0);
1966 Var_Delete(".ERROR_CMD", VAR_GLOBAL
);
1967 Lst_ForEach(gn
->commands
, addErrorCMD
, gn
);
1969 strncpy(tmp
, "${MAKE_PRINT_VAR_ON_ERROR:@v@$v='${$v}'\n@}",
1971 cp
= Var_Subst(NULL
, tmp
, VAR_GLOBAL
, VARF_WANTRES
);
1980 * Finally, see if there is a .ERROR target, and run it if so.
1982 en
= Targ_FindNode(".ERROR", TARG_NOCREATE
);
1984 en
->type
|= OP_SPECIAL
;
1985 Compat_Make(en
, en
);
1990 Main_ExportMAKEFLAGS(Boolean first
)
1992 static int once
= 1;
2000 strncpy(tmp
, "${.MAKEFLAGS} ${.MAKEOVERRIDES:O:u:@v@$v=${$v:Q}@}",
2002 s
= Var_Subst(NULL
, tmp
, VAR_CMD
, VARF_WANTRES
);
2005 setenv("MAKEFLAGS", s
, 1);
2007 setenv("MAKE", s
, 1);
2015 static char *tmpdir
= NULL
;
2021 * Honor $TMPDIR but only if it is valid.
2022 * Ensure it ends with /.
2024 tmpdir
= Var_Subst(NULL
, "${TMPDIR:tA:U" _PATH_TMP
"}/", VAR_GLOBAL
,
2026 if (stat(tmpdir
, &st
) < 0 || !S_ISDIR(st
.st_mode
)) {
2028 tmpdir
= bmake_strdup(_PATH_TMP
);
2035 * Create and open a temp file using "pattern".
2036 * If "fnamep" is provided set it to a copy of the filename created.
2037 * Otherwise unlink the file once open.
2040 mkTempFile(const char *pattern
, char **fnamep
)
2042 static char *tmpdir
= NULL
;
2043 char tfile
[MAXPATHLEN
];
2049 tmpdir
= getTmpdir();
2050 if (pattern
[0] == '/') {
2051 snprintf(tfile
, sizeof(tfile
), "%s", pattern
);
2053 snprintf(tfile
, sizeof(tfile
), "%s%s", tmpdir
, pattern
);
2055 if ((fd
= mkstemp(tfile
)) < 0)
2056 Punt("Could not create temporary file %s: %s", tfile
, strerror(errno
));
2058 *fnamep
= bmake_strdup(tfile
);
2060 unlink(tfile
); /* we just want the descriptor */
2066 * Convert a string representation of a boolean.
2067 * Anything that looks like "No", "False", "Off", "0" etc,
2068 * is FALSE, otherwise TRUE.
2071 s2Boolean(const char *s
, Boolean bf
)
2075 case '\0': /* not set - the default wins */
2105 * Return a Boolean based on setting of a knob.
2107 * If the knob is not set, the supplied default is the return value.
2108 * If set, anything that looks or smells like "No", "False", "Off", "0" etc,
2109 * is FALSE, otherwise TRUE.
2112 getBoolean(const char *name
, Boolean bf
)
2117 if (snprintf(tmp
, sizeof(tmp
), "${%s:U:tl}", name
) < (int)(sizeof(tmp
))) {
2118 cp
= Var_Subst(NULL
, tmp
, VAR_GLOBAL
, VARF_WANTRES
);
2121 bf
= s2Boolean(cp
, bf
);