1 /* $NetBSD: main.c,v 1.250 2016/08/11 19:53:17 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 1.250 2016/08/11 19:53:17 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 1.250 2016/08/11 19:53:17 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 */
159 static Boolean noBuiltins; /* -r flag */
160 static Lst makefiles; /* ordered list of makefiles to read */
161 static Boolean printVars; /* print value of one or more vars */
162 static Lst variables; /* list of variables to print */
163 int maxJobs; /* -j argument */
164 static int maxJobTokens; /* -j argument */
165 Boolean compatMake; /* -B argument */
166 int debug; /* -d argument */
167 Boolean debugVflag; /* -dV */
168 Boolean noExecute; /* -n flag */
169 Boolean noRecursiveExecute; /* -N flag */
170 Boolean keepgoing; /* -k flag */
171 Boolean queryFlag; /* -q flag */
172 Boolean touchFlag; /* -t flag */
173 Boolean enterFlag; /* -w flag */
174 Boolean enterFlagObj; /* -w and objdir != srcdir */
175 Boolean ignoreErrors; /* -i flag */
176 Boolean beSilent; /* -s flag */
177 Boolean oldVars; /* variable substitution style */
178 Boolean checkEnvFirst; /* -e flag */
179 Boolean parseWarnFatal; /* -W flag */
180 Boolean jobServer; /* -J flag */
181 static int jp_0 = -1, jp_1 = -1; /* ends of parent job pipe */
182 Boolean varNoExportEnv; /* -X flag */
183 Boolean doing_depend; /* Set while reading .depend */
184 static Boolean jobsRunning; /* TRUE if the jobs might be running */
185 static const char * tracefile;
186 static void MainParseArgs(int, char **);
187 static int ReadMakefile(const void *, const void *);
188 static void usage(void) MAKE_ATTR_DEAD;
190 static Boolean ignorePWD; /* if we use -C, PWD is meaningless */
191 static char objdir[MAXPATHLEN + 1]; /* where we chdir'ed to */
192 char curdir[MAXPATHLEN + 1]; /* Startup directory */
193 char *progname; /* the program name */
194 char *makeDependfile;
200 Boolean forceJobs = FALSE;
203 * On some systems MACHINE is defined as something other than
208 # define MACHINE FORCE_MACHINE
211 extern Lst parseIncPath;
214 * For compatibility with the POSIX version of MAKEFLAGS that includes
215 * all the options with out -, convert flags to -f -l -a -g -s.
218 explode(const char *flags)
227 for (f = flags; *f; f++)
228 if (!isalpha((unsigned char)*f))
232 return bmake_strdup(flags);
235 st = nf = bmake_malloc(len * 3 + 1);
246 parse_debug_options(const char *argvalue)
253 for (modules = argvalue; *modules; ++modules) {
271 debug |= DEBUG_ERROR;
277 if (modules[1] == '1') {
278 debug |= DEBUG_GRAPH1;
281 else if (modules[1] == '2') {
282 debug |= DEBUG_GRAPH2;
285 else if (modules[1] == '3') {
286 debug |= DEBUG_GRAPH3;
303 debug |= DEBUG_SCRIPT;
306 debug |= DEBUG_PARSE;
321 debug |= DEBUG_SHELL;
324 if (debug_file != stdout && debug_file != stderr)
326 if (*++modules == '+') {
331 if (strcmp(modules, "stdout") == 0) {
335 if (strcmp(modules, "stderr") == 0) {
339 len = strlen(modules);
340 fname = malloc(len + 20);
341 memcpy(fname, modules, len + 1);
342 /* Let the filename be modified by the pid */
343 if (strcmp(fname + len - 3, ".%d") == 0)
344 snprintf(fname + len - 2, 20, "%d", getpid());
345 debug_file = fopen(fname, mode);
347 fprintf(stderr, "Cannot open debug file %s\n",
354 (void)fprintf(stderr,
355 "%s: illegal argument to d option -- %c\n",
362 * Make the debug_file unbuffered, and make
363 * stdout line buffered (unless debugfile == stdout).
365 setvbuf(debug_file, NULL, _IONBF, 0);
366 if (debug_file != stdout) {
367 setvbuf(stdout, NULL, _IOLBF, 0);
373 * Parse a given argument vector. Called from main() and from
374 * Main_ParseArgLine() when the .MAKEFLAGS target is used.
376 * XXX: Deal with command line overriding .MAKEFLAGS in makefile
382 * Various global and local flags will be set depending on the flags
386 MainParseArgs(int argc, char **argv)
392 const char *getopt_def;
394 Boolean inOption, dashDash = FALSE;
395 char found_path[MAXPATHLEN + 1]; /* for searching for sys.mk */
397 #define OPTFLAGS "BC:D:I:J:NST:V:WXd:ef:ij:km:nqrstw"
398 /* Can't actually use getopt(3) because rescanning is not portable */
400 getopt_def = OPTFLAGS;
418 if (c != '-' || dashDash)
423 /* '-' found at some earlier point */
424 getopt_spec = strchr(getopt_def, c);
425 if(c != '\0' && getopt_spec != NULL && getopt_spec[1] == ':') {
426 /* -<something> found, and <something> should have an arg */
430 if(*argvalue == '\0') {
446 Var_Append(MAKEFLAGS, "-B", VAR_GLOBAL);
447 Var_Set(MAKE_MODE, "compat", VAR_GLOBAL, 0);
450 if (chdir(argvalue) == -1) {
451 (void)fprintf(stderr,
452 "%s: chdir %s: %s\n",
457 if (getcwd(curdir, MAXPATHLEN) == NULL) {
458 (void)fprintf(stderr, "%s: %s.\n", progname, strerror(errno));
464 if (argvalue == NULL || argvalue[0] == 0) goto noarg;
465 Var_Set(argvalue, "1", VAR_GLOBAL, 0);
466 Var_Append(MAKEFLAGS, "-D", VAR_GLOBAL);
467 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
470 if (argvalue == NULL) goto noarg;
471 Parse_AddIncludeDir(argvalue);
472 Var_Append(MAKEFLAGS, "-I", VAR_GLOBAL);
473 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
476 if (argvalue == NULL) goto noarg;
477 if (sscanf(argvalue, "%d,%d", &jp_0, &jp_1) != 2) {
478 (void)fprintf(stderr,
479 "%s: internal error -- J option malformed (%s)\n",
483 if ((fcntl(jp_0, F_GETFD, 0) < 0) ||
484 (fcntl(jp_1, F_GETFD, 0) < 0)) {
486 (void)fprintf(stderr,
487 "%s: ###### warning -- J descriptors were closed!\n",
495 Var_Append(MAKEFLAGS, "-J", VAR_GLOBAL);
496 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
502 noRecursiveExecute = TRUE;
503 Var_Append(MAKEFLAGS, "-N", VAR_GLOBAL);
507 Var_Append(MAKEFLAGS, "-S", VAR_GLOBAL);
510 if (argvalue == NULL) goto noarg;
511 tracefile = bmake_strdup(argvalue);
512 Var_Append(MAKEFLAGS, "-T", VAR_GLOBAL);
513 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
516 if (argvalue == NULL) goto noarg;
518 (void)Lst_AtEnd(variables, argvalue);
519 Var_Append(MAKEFLAGS, "-V", VAR_GLOBAL);
520 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
523 parseWarnFatal = TRUE;
526 varNoExportEnv = TRUE;
527 Var_Append(MAKEFLAGS, "-X", VAR_GLOBAL);
530 if (argvalue == NULL) goto noarg;
531 /* If '-d-opts' don't pass to children */
532 if (argvalue[0] == '-')
535 Var_Append(MAKEFLAGS, "-d", VAR_GLOBAL);
536 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
538 parse_debug_options(argvalue);
541 checkEnvFirst = TRUE;
542 Var_Append(MAKEFLAGS, "-e", VAR_GLOBAL);
545 if (argvalue == NULL) goto noarg;
546 (void)Lst_AtEnd(makefiles, argvalue);
550 Var_Append(MAKEFLAGS, "-i", VAR_GLOBAL);
553 if (argvalue == NULL) goto noarg;
555 maxJobs = strtol(argvalue, &p, 0);
556 if (*p != '\0' || maxJobs < 1) {
557 (void)fprintf(stderr, "%s: illegal argument to -j -- must be positive integer!\n",
561 Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
562 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
563 Var_Set(".MAKE.JOBS", argvalue, VAR_GLOBAL, 0);
564 maxJobTokens = maxJobs;
568 Var_Append(MAKEFLAGS, "-k", VAR_GLOBAL);
571 if (argvalue == NULL) goto noarg;
572 /* look for magic parent directory search string */
573 if (strncmp(".../", argvalue, 4) == 0) {
574 if (!Dir_FindHereOrAbove(curdir, argvalue+4,
575 found_path, sizeof(found_path)))
576 break; /* nothing doing */
577 (void)Dir_AddDir(sysIncPath, found_path);
579 (void)Dir_AddDir(sysIncPath, argvalue);
581 Var_Append(MAKEFLAGS, "-m", VAR_GLOBAL);
582 Var_Append(MAKEFLAGS, argvalue, VAR_GLOBAL);
586 Var_Append(MAKEFLAGS, "-n", VAR_GLOBAL);
590 /* Kind of nonsensical, wot? */
591 Var_Append(MAKEFLAGS, "-q", VAR_GLOBAL);
595 Var_Append(MAKEFLAGS, "-r", VAR_GLOBAL);
599 Var_Append(MAKEFLAGS, "-s", VAR_GLOBAL);
603 Var_Append(MAKEFLAGS, "-t", VAR_GLOBAL);
607 Var_Append(MAKEFLAGS, "-w", VAR_GLOBAL);
615 fprintf(stderr, "getopt(%s) -> %d (%c)\n",
627 * See if the rest of the arguments are variable assignments and
628 * perform them if so. Else take them to be targets and stuff them
629 * on the end of the "create" list.
631 for (; argc > 1; ++argv, --argc)
632 if (Parse_IsVar(argv[1])) {
633 Parse_DoVar(argv[1], VAR_CMD);
636 Punt("illegal (null) argument.");
637 if (*argv[1] == '-' && !dashDash)
639 (void)Lst_AtEnd(create, bmake_strdup(argv[1]));
644 (void)fprintf(stderr, "%s: option requires an argument -- %c\n",
650 * Main_ParseArgLine --
651 * Used by the parse module when a .MFLAGS or .MAKEFLAGS target
652 * is encountered and by main() when reading the .MAKEFLAGS envariable.
653 * Takes a line of arguments and breaks it into its
654 * component words and passes those words and the number of them to the
655 * MainParseArgs function.
656 * The line should have all its leading whitespace removed.
659 * line Line to fracture
665 * Only those that come from the various arguments.
668 Main_ParseArgLine(const char *line)
670 char **argv; /* Manufactured argument vector */
671 int argc; /* Number of arguments in argv */
672 char *args; /* Space used by the args */
674 char *argv0 = Var_Value(".MAKE", VAR_GLOBAL, &p1);
679 for (; *line == ' '; ++line)
687 * $MAKE may simply be naming the make(1) binary
691 if (!(cp = strrchr(line, '/')))
693 if ((cp = strstr(cp, "make")) &&
694 strcmp(cp, "make") == 0)
698 buf = bmake_malloc(len = strlen(line) + strlen(argv0) + 2);
699 (void)snprintf(buf, len, "%s %s", argv0, line);
702 argv = brk_string(buf, &argc, TRUE, &args);
704 Error("Unterminated quoted string [%s]", buf);
709 MainParseArgs(argc, argv);
716 Main_SetObjdir(const char *path)
720 char buf[MAXPATHLEN + 1];
723 /* expand variable substitutions */
724 if (strchr(path, '$') != 0) {
725 snprintf(buf, MAXPATHLEN, "%s", path);
726 path = p = Var_Subst(NULL, buf, VAR_GLOBAL, VARF_WANTRES);
729 if (path[0] != '/') {
730 snprintf(buf, MAXPATHLEN, "%s/%s", curdir, path);
734 /* look for the directory and try to chdir there */
735 if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
737 (void)fprintf(stderr, "make warning: %s: %s.\n",
738 path, strerror(errno));
740 strncpy(objdir, path, MAXPATHLEN);
741 Var_Set(".OBJDIR", objdir, VAR_GLOBAL, 0);
742 setenv("PWD", objdir, 1);
745 if (enterFlag && strcmp(objdir, curdir) != 0)
755 * ReadAllMakefiles --
756 * wrapper around ReadMakefile() to read all.
759 * TRUE if ok, FALSE on error
762 ReadAllMakefiles(const void *p, const void *q)
764 return (ReadMakefile(p, q) == 0);
768 str2Lst_Append(Lst lp, char *str, const char *sep)
776 for (n = 0, cp = strtok(str, sep); cp; cp = strtok(NULL, sep)) {
777 (void)Lst_AtEnd(lp, cp);
786 siginfo(int signo MAKE_ATTR_UNUSED)
788 char dir[MAXPATHLEN];
789 char str[2 * MAXPATHLEN];
791 if (getcwd(dir, sizeof(dir)) == NULL)
793 len = snprintf(str, sizeof(str), "%s: Working in: %s\n", progname, dir);
795 (void)write(STDERR_FILENO, str, (size_t)len);
800 * Allow makefiles some control over the mode we run in.
803 MakeMode(const char *mode)
808 mode = mp = Var_Subst(NULL, "${" MAKE_MODE ":tl}",
809 VAR_GLOBAL, VARF_WANTRES);
812 if (strstr(mode, "compat")) {
817 if (strstr(mode, "meta"))
818 meta_mode_init(mode);
827 * The main function, for obvious reasons. Initializes variables
828 * and a few modules, then parses the arguments give it in the
829 * environment and on the command line. Reads the system makefile
830 * followed by either Makefile, makefile or the file given by the
831 * -f argument. Sets the .MAKEFLAGS PMake variable based on all the
832 * flags it has received by then uses either the Make or the Compat
833 * module to create the initial list of targets.
836 * If -q was given, exits -1 if anything was out-of-date. Else it exits
840 * The program exits when done. Targets are created. etc. etc. etc.
843 main(int argc, char **argv)
845 Lst targs; /* target nodes to create -- passed to Make_Init */
846 Boolean outOfDate = FALSE; /* FALSE if all targets up to date */
849 char mdpath[MAXPATHLEN];
851 const char *machine = FORCE_MACHINE;
853 const char *machine = getenv("MACHINE");
855 const char *machine_arch = getenv("MACHINE_ARCH");
856 char *syspath = getenv("MAKESYSPATH");
857 Lst sysMkPath; /* Path of sys.mk */
858 char *cp = NULL, *start;
859 /* avoid faults on read-only strings */
860 static char defsyspath[] = _PATH_DEFSYSPATH;
861 char found_path[MAXPATHLEN + 1]; /* for searching for sys.mk */
862 struct timeval rightnow; /* to initialize random seed */
863 struct utsname utsname;
865 /* default to writing debug to stderr */
869 (void)bmake_signal(SIGINFO, siginfo);
872 * Set the seed to produce a different random sequence
873 * on each program execution.
875 gettimeofday(&rightnow, NULL);
876 srandom(rightnow.tv_sec + rightnow.tv_usec);
878 if ((progname = strrchr(argv[0], '/')) != NULL)
882 #if defined(MAKE_NATIVE) || (defined(HAVE_SETRLIMIT) && defined(RLIMIT_NOFILE))
884 * get rid of resource limit on file descriptors
888 if (getrlimit(RLIMIT_NOFILE, &rl) != -1 &&
889 rl.rlim_cur != rl.rlim_max) {
890 rl.rlim_cur = rl.rlim_max;
891 (void)setrlimit(RLIMIT_NOFILE, &rl);
896 if (uname(&utsname) == -1) {
897 (void)fprintf(stderr, "%s: uname failed (%s).\n", progname,
903 * Get the name of this type of MACHINE from utsname
904 * so we can share an executable for similar machines.
905 * (i.e. m68k: amiga hp300, mac68k, sun3, ...)
907 * Note that both MACHINE and MACHINE_ARCH are decided at
912 machine = utsname.machine;
915 machine = MAKE_MACHINE;
923 #if defined(MAKE_NATIVE) && defined(HAVE_SYSCTL) && defined(CTL_HW) && defined(HW_MACHINE_ARCH)
924 static char machine_arch_buf[sizeof(utsname.machine)];
925 int mib[2] = { CTL_HW, HW_MACHINE_ARCH };
926 size_t len = sizeof(machine_arch_buf);
928 if (sysctl(__DECONST(int *, mib) /* XXX */, __arraycount(mib), machine_arch_buf,
929 &len, NULL, 0) < 0) {
930 (void)fprintf(stderr, "%s: sysctl failed (%s).\n", progname,
935 machine_arch = machine_arch_buf;
938 #ifdef MAKE_MACHINE_ARCH
939 machine_arch = MAKE_MACHINE_ARCH;
941 machine_arch = "unknown";
944 machine_arch = MACHINE_ARCH;
949 myPid = getpid(); /* remember this for vFork() */
952 * Just in case MAKEOBJDIR wants us to do something tricky.
954 Var_Init(); /* Initialize the lists of variables for
955 * parsing arguments */
956 Var_Set(".MAKE.OS", utsname.sysname, VAR_GLOBAL, 0);
957 Var_Set("MACHINE", machine, VAR_GLOBAL, 0);
958 Var_Set("MACHINE_ARCH", machine_arch, VAR_GLOBAL, 0);
960 Var_Set("MAKE_VERSION", MAKE_VERSION, VAR_GLOBAL, 0);
962 Var_Set(".newline", "\n", VAR_GLOBAL, 0); /* handy for :@ loops */
964 * This is the traditional preference for makefiles.
966 #ifndef MAKEFILE_PREFERENCE_LIST
967 # define MAKEFILE_PREFERENCE_LIST "makefile Makefile"
969 Var_Set(MAKEFILE_PREFERENCE, MAKEFILE_PREFERENCE_LIST,
971 Var_Set(MAKE_DEPENDFILE, ".depend", VAR_GLOBAL, 0);
973 create = Lst_Init(FALSE);
974 makefiles = Lst_Init(FALSE);
977 variables = Lst_Init(FALSE);
978 beSilent = FALSE; /* Print commands as executed */
979 ignoreErrors = FALSE; /* Pay attention to non-zero returns */
980 noExecute = FALSE; /* Execute all commands */
981 noRecursiveExecute = FALSE; /* Execute all .MAKE targets */
982 keepgoing = FALSE; /* Stop on error */
983 allPrecious = FALSE; /* Remove targets when interrupted */
984 queryFlag = FALSE; /* This is not just a check-run */
985 noBuiltins = FALSE; /* Read the built-in rules */
986 touchFlag = FALSE; /* Actually update targets */
987 debug = 0; /* No debug verbosity, please. */
990 maxJobs = DEFMAXLOCAL; /* Set default local max concurrency */
991 maxJobTokens = maxJobs;
992 compatMake = FALSE; /* No compat mode */
996 * Initialize the parsing, directory and variable modules to prepare
997 * for the reading of inclusion paths and variable settings on the
1002 * Initialize various variables.
1003 * MAKE also gets this name, for compatibility
1004 * .MAKEFLAGS gets set to the empty string just in case.
1005 * MFLAGS also gets initialized empty, for compatibility.
1008 if (argv[0][0] == '/' || strchr(argv[0], '/') == NULL) {
1010 * Leave alone if it is an absolute path, or if it does
1011 * not contain a '/' in which case we need to find it in
1012 * the path, like execvp(3) and the shells do.
1017 * A relative path, canonicalize it.
1019 p1 = cached_realpath(argv[0], mdpath);
1020 if (!p1 || *p1 != '/' || stat(p1, &sb) < 0) {
1021 p1 = argv[0]; /* realpath failed */
1024 Var_Set("MAKE", p1, VAR_GLOBAL, 0);
1025 Var_Set(".MAKE", p1, VAR_GLOBAL, 0);
1026 Var_Set(MAKEFLAGS, "", VAR_GLOBAL, 0);
1027 Var_Set(MAKEOVERRIDES, "", VAR_GLOBAL, 0);
1028 Var_Set("MFLAGS", "", VAR_GLOBAL, 0);
1029 Var_Set(".ALLTARGETS", "", VAR_GLOBAL, 0);
1030 /* some makefiles need to know this */
1031 Var_Set(MAKE_LEVEL ".ENV", MAKE_LEVEL_ENV, VAR_CMD, 0);
1034 * Set some other useful macros
1039 makelevel = ((ep = getenv(MAKE_LEVEL_ENV)) && *ep) ? atoi(ep) : 0;
1042 snprintf(tmp, sizeof(tmp), "%d", makelevel);
1043 Var_Set(MAKE_LEVEL, tmp, VAR_GLOBAL, 0);
1044 snprintf(tmp, sizeof(tmp), "%u", myPid);
1045 Var_Set(".MAKE.PID", tmp, VAR_GLOBAL, 0);
1046 snprintf(tmp, sizeof(tmp), "%u", getppid());
1047 Var_Set(".MAKE.PPID", tmp, VAR_GLOBAL, 0);
1048 Var_Set(".MAKE.BUILT.BY", CCVER, VAR_GLOBAL, 0);
1049 Var_Set(".MAKE.DF.VERSION", DFVER, VAR_GLOBAL, 0);
1050 Var_Set(".MAKE.DF.OSREL", OSREL, VAR_GLOBAL, 0);
1052 if (makelevel > 0) {
1054 snprintf(pn, sizeof(pn), "%s[%d]", progname, makelevel);
1055 progname = bmake_strdup(pn);
1062 * First snag any flags out of the MAKE environment variable.
1063 * (Note this is *not* MAKEFLAGS since /bin/make uses that and it's
1064 * in a different format).
1067 p1 = explode(getenv("MAKEFLAGS"));
1068 Main_ParseArgLine(p1);
1071 Main_ParseArgLine(getenv("MAKE"));
1075 * Find where we are (now).
1076 * We take care of PWD for the automounter below...
1078 if (getcwd(curdir, MAXPATHLEN) == NULL) {
1079 (void)fprintf(stderr, "%s: getcwd: %s.\n",
1080 progname, strerror(errno));
1084 MainParseArgs(argc, argv);
1087 printf("%s: Entering directory `%s'\n", progname, curdir);
1090 * Verify that cwd is sane.
1092 if (stat(curdir, &sa) == -1) {
1093 (void)fprintf(stderr, "%s: %s: %s.\n",
1094 progname, curdir, strerror(errno));
1099 * All this code is so that we know where we are when we start up
1100 * on a different machine with pmake.
1101 * Overriding getcwd() with $PWD totally breaks MAKEOBJDIRPREFIX
1102 * since the value of curdir can vary depending on how we got
1103 * here. Ie sitting at a shell prompt (shell that provides $PWD)
1104 * or via subdir.mk in which case its likely a shell which does
1106 * So, to stop it breaking this case only, we ignore PWD if
1107 * MAKEOBJDIRPREFIX is set or MAKEOBJDIR contains a transform.
1109 #ifndef NO_PWD_OVERRIDE
1111 char *pwd, *ptmp1 = NULL, *ptmp2 = NULL;
1113 if ((pwd = getenv("PWD")) != NULL &&
1114 Var_Value("MAKEOBJDIRPREFIX", VAR_CMD, &ptmp1) == NULL) {
1115 const char *makeobjdir = Var_Value("MAKEOBJDIR",
1118 if (makeobjdir == NULL || !strchr(makeobjdir, '$')) {
1119 if (stat(pwd, &sb) == 0 &&
1120 sa.st_ino == sb.st_ino &&
1121 sa.st_dev == sb.st_dev)
1122 (void)strncpy(curdir, pwd, MAXPATHLEN);
1129 Var_Set(".CURDIR", curdir, VAR_GLOBAL, 0);
1132 * Find the .OBJDIR. If MAKEOBJDIRPREFIX, or failing that,
1133 * MAKEOBJDIR is set in the environment, try only that value
1134 * and fall back to .CURDIR if it does not exist.
1136 * Otherwise, try _PATH_OBJDIR.MACHINE, _PATH_OBJDIR, and
1137 * finally _PATH_OBJDIRPREFIX`pwd`, in that order. If none
1138 * of these paths exist, just use .CURDIR.
1141 (void)Main_SetObjdir(curdir);
1143 if ((path = Var_Value("MAKEOBJDIRPREFIX", VAR_CMD, &p1)) != NULL) {
1144 (void)snprintf(mdpath, MAXPATHLEN, "%s%s", path, curdir);
1145 (void)Main_SetObjdir(mdpath);
1147 } else if ((path = Var_Value("MAKEOBJDIR", VAR_CMD, &p1)) != NULL) {
1148 (void)Main_SetObjdir(path);
1151 (void)snprintf(mdpath, MAXPATHLEN, "%s.%s", _PATH_OBJDIR, machine);
1152 if (!Main_SetObjdir(mdpath) && !Main_SetObjdir(_PATH_OBJDIR)) {
1153 (void)snprintf(mdpath, MAXPATHLEN, "%s%s",
1154 _PATH_OBJDIRPREFIX, curdir);
1155 (void)Main_SetObjdir(mdpath);
1160 * Initialize archive, target and suffix modules in preparation for
1161 * parsing the makefile(s)
1166 Trace_Init(tracefile);
1171 Trace_Log(MAKESTART, NULL);
1174 * Set up the .TARGETS variable to contain the list of targets to be
1175 * created. If none specified, make the variable empty -- the parser
1176 * will fill the thing in with the default or .MAIN target.
1178 if (!Lst_IsEmpty(create)) {
1181 for (ln = Lst_First(create); ln != NULL;
1182 ln = Lst_Succ(ln)) {
1183 char *name = (char *)Lst_Datum(ln);
1185 Var_Append(".TARGETS", name, VAR_GLOBAL);
1188 Var_Set(".TARGETS", "", VAR_GLOBAL, 0);
1192 * If no user-supplied system path was given (through the -m option)
1193 * add the directories from the DEFSYSPATH (more than one may be given
1194 * as dir1:...:dirn) to the system include path.
1196 if (syspath == NULL || *syspath == '\0')
1197 syspath = defsyspath;
1199 syspath = bmake_strdup(syspath);
1201 for (start = syspath; *start != '\0'; start = cp) {
1202 for (cp = start; *cp != '\0' && *cp != ':'; cp++)
1207 /* look for magic parent directory search string */
1208 if (strncmp(".../", start, 4) != 0) {
1209 (void)Dir_AddDir(defIncPath, start);
1211 if (Dir_FindHereOrAbove(curdir, start+4,
1212 found_path, sizeof(found_path))) {
1213 (void)Dir_AddDir(defIncPath, found_path);
1217 if (syspath != defsyspath)
1221 * Read in the built-in rules first, followed by the specified
1222 * makefile, if it was (makefile != NULL), or the default
1223 * makefile and Makefile, in that order, if it wasn't.
1228 sysMkPath = Lst_Init(FALSE);
1229 Dir_Expand(_PATH_DEFSYSMK,
1230 Lst_IsEmpty(sysIncPath) ? defIncPath : sysIncPath,
1232 if (Lst_IsEmpty(sysMkPath))
1233 Fatal("%s: no system rules (%s).", progname,
1235 ln = Lst_Find(sysMkPath, NULL, ReadMakefile);
1237 Fatal("%s: cannot open %s.", progname,
1238 (char *)Lst_Datum(ln));
1241 if (!Lst_IsEmpty(makefiles)) {
1244 ln = Lst_Find(makefiles, NULL, ReadAllMakefiles);
1246 Fatal("%s: cannot open %s.", progname,
1247 (char *)Lst_Datum(ln));
1249 p1 = Var_Subst(NULL, "${" MAKEFILE_PREFERENCE "}",
1250 VAR_CMD, VARF_WANTRES);
1252 (void)str2Lst_Append(makefiles, p1, NULL);
1253 (void)Lst_Find(makefiles, NULL, ReadMakefile);
1258 /* In particular suppress .depend for '-r -V .OBJDIR -f /dev/null' */
1259 if (!noBuiltins || !printVars) {
1260 makeDependfile = Var_Subst(NULL, "${.MAKE.DEPENDFILE:T}",
1261 VAR_CMD, VARF_WANTRES);
1262 doing_depend = TRUE;
1263 (void)ReadMakefile(makeDependfile, NULL);
1264 doing_depend = FALSE;
1268 printf("%s: Entering directory `%s'\n", progname, objdir);
1272 Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL, &p1), VAR_GLOBAL);
1275 if (!forceJobs && !compatMake &&
1276 Var_Exists(".MAKE.JOBS", VAR_GLOBAL)) {
1280 value = Var_Subst(NULL, "${.MAKE.JOBS}", VAR_GLOBAL, VARF_WANTRES);
1281 n = strtol(value, NULL, 0);
1283 (void)fprintf(stderr, "%s: illegal value for .MAKE.JOBS -- must be positive integer!\n",
1288 Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
1289 Var_Append(MAKEFLAGS, value, VAR_GLOBAL);
1292 maxJobTokens = maxJobs;
1298 * Be compatible if user did not specify -j and did not explicitly
1299 * turned compatibility on
1301 if (!compatMake && !forceJobs) {
1306 Job_ServerStart(maxJobTokens, jp_0, jp_1);
1308 fprintf(debug_file, "job_pipe %d %d, maxjobs %d, tokens %d, compat %d\n",
1309 jp_0, jp_1, maxJobs, maxJobTokens, compatMake);
1311 Main_ExportMAKEFLAGS(TRUE); /* initial export */
1314 * For compatibility, look at the directories in the VPATH variable
1315 * and add them to the search path, if the variable is defined. The
1316 * variable's value is in the same format as the PATH envariable, i.e.
1317 * <directory>:<directory>:<directory>...
1319 if (Var_Exists("VPATH", VAR_CMD)) {
1322 * GCC stores string constants in read-only memory, but
1323 * Var_Subst will want to write this thing, so store it
1326 static char VPATH[] = "${VPATH}";
1328 vpath = Var_Subst(NULL, VPATH, VAR_CMD, VARF_WANTRES);
1331 /* skip to end of directory */
1332 for (cp = path; *cp != ':' && *cp != '\0'; cp++)
1334 /* Save terminator character so know when to stop */
1337 /* Add directory to search path */
1338 (void)Dir_AddDir(dirSearchPath, path);
1341 } while (savec == ':');
1346 * Now that all search paths have been read for suffixes et al, it's
1347 * time to add the default search path to their lists...
1352 * Propagate attributes through :: dependency lists.
1356 /* print the initial graph, if the user requested it */
1360 /* print the values of any variables requested by the user */
1368 expandVars = getBoolean(".MAKE.EXPAND_VARIABLES", FALSE);
1369 for (ln = Lst_First(variables); ln != NULL;
1370 ln = Lst_Succ(ln)) {
1371 char *var = (char *)Lst_Datum(ln);
1374 if (strchr(var, '$')) {
1375 value = p1 = Var_Subst(NULL, var, VAR_GLOBAL,
1377 } else if (expandVars) {
1380 if (snprintf(tmp, sizeof(tmp), "${%s}", var) >= (int)(sizeof(tmp)))
1381 Fatal("%s: variable name too big: %s",
1383 value = p1 = Var_Subst(NULL, tmp, VAR_GLOBAL,
1386 value = Var_Value(var, VAR_GLOBAL, &p1);
1388 printf("%s\n", value ? value : "");
1393 * Have now read the entire graph and need to make a list of
1394 * targets to create. If none was given on the command line,
1395 * we consult the parsing module to find the main target(s)
1398 if (Lst_IsEmpty(create))
1399 targs = Parse_MainName();
1401 targs = Targ_FindList(create, TARG_CREATE);
1405 * Initialize job module before traversing the graph
1406 * now that any .BEGIN and .END targets have been read.
1407 * This is done only if the -q flag wasn't given
1408 * (to prevent the .BEGIN from being executed should
1416 /* Traverse the graph, checking on all the targets */
1417 outOfDate = Make_Run(targs);
1420 * Compat_Init will take care of creating all the
1421 * targets as well as initializing the module.
1428 Lst_Destroy(targs, NULL);
1429 Lst_Destroy(variables, NULL);
1430 Lst_Destroy(makefiles, NULL);
1431 Lst_Destroy(create, (FreeProc *)free);
1434 /* print the graph now it's been processed if the user requested it */
1438 Trace_Log(MAKEEND, 0);
1441 printf("%s: Leaving directory `%s'\n", progname, objdir);
1443 printf("%s: Leaving directory `%s'\n", progname, curdir);
1457 return outOfDate ? 1 : 0;
1462 * Open and parse the given makefile.
1465 * 0 if ok. -1 if couldn't open file.
1471 ReadMakefile(const void *p, const void *q MAKE_ATTR_UNUSED)
1473 const char *fname = p; /* makefile to read */
1475 size_t len = MAXPATHLEN;
1476 char *name, *path = bmake_malloc(len);
1478 if (!strcmp(fname, "-")) {
1479 Parse_File(NULL /*stdin*/, -1);
1480 Var_Set("MAKEFILE", "", VAR_INTERNAL, 0);
1482 /* if we've chdir'd, rebuild the path name */
1483 if (strcmp(curdir, objdir) && *fname != '/') {
1484 size_t plen = strlen(curdir) + strlen(fname) + 2;
1486 path = bmake_realloc(path, len = 2 * plen);
1488 (void)snprintf(path, len, "%s/%s", curdir, fname);
1489 fd = open(path, O_RDONLY);
1495 /* If curdir failed, try objdir (ala .depend) */
1496 plen = strlen(objdir) + strlen(fname) + 2;
1498 path = bmake_realloc(path, len = 2 * plen);
1499 (void)snprintf(path, len, "%s/%s", objdir, fname);
1500 fd = open(path, O_RDONLY);
1506 fd = open(fname, O_RDONLY);
1510 /* look in -I and system include directories. */
1511 name = Dir_FindFile(fname, parseIncPath);
1513 name = Dir_FindFile(fname,
1514 Lst_IsEmpty(sysIncPath) ? defIncPath : sysIncPath);
1515 if (!name || (fd = open(name, O_RDONLY)) == -1) {
1522 * set the MAKEFILE variable desired by System V fans -- the
1523 * placement of the setting here means it gets set to the last
1524 * makefile specified, as it is set by SysV make.
1528 Var_Set("MAKEFILE", fname, VAR_INTERNAL, 0);
1529 Parse_File(fname, fd);
1539 * Execute the command in cmd, and return the output of that command
1543 * A string containing the output of the command, or the empty string
1544 * If errnum is not NULL, it contains the reason for the command failure
1547 * The string must be freed by the caller.
1550 Cmd_Exec(const char *cmd, const char **errnum)
1552 const char *args[4]; /* Args for invoking the shell */
1553 int fds[2]; /* Pipe streams */
1554 int cpid; /* Child PID */
1555 int pid; /* PID from wait() */
1556 char *res; /* result */
1557 WAIT_T status; /* command exit status */
1558 Buffer buf; /* buffer to store the result */
1560 int cc; /* bytes read, or -1 */
1561 int savederr; /* saved errno */
1569 * Set up arguments for shell
1571 args[0] = shellName;
1577 * Open a pipe for fetching its output
1579 if (pipe(fds) == -1) {
1580 *errnum = "Couldn't create pipe for \"%s\"";
1587 switch (cpid = vFork()) {
1590 * Close input side of pipe
1592 (void)close(fds[0]);
1595 * Duplicate the output stream to the shell's output, then
1596 * shut the extra thing down. Note we don't fetch the error
1597 * stream...why not? Why?
1599 (void)dup2(fds[1], 1);
1600 (void)close(fds[1]);
1604 (void)execv(shellPath, UNCONST(args));
1609 *errnum = "Couldn't exec \"%s\"";
1614 * No need for the writing half
1616 (void)close(fds[1]);
1622 char result[BUFSIZ];
1623 cc = read(fds[0], result, sizeof(result));
1625 Buf_AddBytes(&buf, cc, result);
1627 while (cc > 0 || (cc == -1 && errno == EINTR));
1632 * Close the input side of the pipe.
1634 (void)close(fds[0]);
1637 * Wait for the process to exit.
1639 while(((pid = waitpid(cpid, &status, 0)) != cpid) && (pid >= 0)) {
1640 JobReapChild(pid, status, FALSE);
1643 cc = Buf_Size(&buf);
1644 res = Buf_Destroy(&buf, FALSE);
1647 *errnum = "Couldn't read shell's output for \"%s\"";
1649 if (WIFSIGNALED(status))
1650 *errnum = "\"%s\" exited on a signal";
1651 else if (WEXITSTATUS(status) != 0)
1652 *errnum = "\"%s\" returned non-zero status";
1655 * Null-terminate the result, convert newlines to spaces and
1656 * install it in the variable.
1661 if (cc > 0 && *--cp == '\n') {
1663 * A final newline is just stripped
1677 res = bmake_malloc(1);
1684 * Print an error message given its format.
1690 * The message is printed.
1694 Error(const char *fmt, ...)
1699 err_file = debug_file;
1700 if (err_file == stdout)
1702 (void)fflush(stdout);
1705 fprintf(err_file, "%s: ", progname);
1706 (void)vfprintf(err_file, fmt, ap);
1708 (void)fprintf(err_file, "\n");
1709 (void)fflush(err_file);
1710 if (err_file == stderr)
1718 * Produce a Fatal error message. If jobs are running, waits for them
1729 Fatal(const char *fmt, ...)
1737 (void)fflush(stdout);
1738 (void)vfprintf(stderr, fmt, ap);
1740 (void)fprintf(stderr, "\n");
1741 (void)fflush(stderr);
1743 PrintOnError(NULL, NULL);
1745 if (DEBUG(GRAPH2) || DEBUG(GRAPH3))
1747 Trace_Log(MAKEERROR, 0);
1748 exit(2); /* Not 1 so -q can distinguish error */
1753 * Major exception once jobs are being created. Kills all jobs, prints
1754 * a message and exits.
1760 * All children are killed indiscriminately and the program Lib_Exits
1764 Punt(const char *fmt, ...)
1769 (void)fflush(stdout);
1770 (void)fprintf(stderr, "%s: ", progname);
1771 (void)vfprintf(stderr, fmt, ap);
1773 (void)fprintf(stderr, "\n");
1774 (void)fflush(stderr);
1776 PrintOnError(NULL, NULL);
1783 * Exit without giving a message.
1798 Trace_Log(MAKEERROR, 0);
1799 exit(2); /* Not 1, so -q can distinguish error */
1804 * Called when aborting due to errors in child shell to signal
1815 /* number of errors encountered in Make_Make */
1817 Fatal("%d error%s", errors, errors == 1 ? "" : "s");
1822 * Remove a file carefully, avoiding directories.
1825 eunlink(const char *file)
1829 if (lstat(file, &st) == -1)
1832 if (S_ISDIR(st.st_mode)) {
1836 return unlink(file);
1841 * Print why exec failed, avoiding stdio.
1844 execError(const char *af, const char *av)
1848 struct iovec iov[8];
1850 (void)(iov[i].iov_base = UNCONST(s), \
1851 iov[i].iov_len = strlen(iov[i].iov_base), \
1854 #define IOADD(s) (void)write(2, s, strlen(s))
1862 IOADD(") failed (");
1863 IOADD(strerror(errno));
1867 while (writev(2, iov, 8) == -1 && errno == EAGAIN)
1874 * exit with usage message
1880 if ((p = strchr(progname, '[')) != NULL)
1883 (void)fprintf(stderr,
1884 "usage: %s [-BeikNnqrstWwX] \n\
1885 [-C directory] [-D variable] [-d flags] [-f makefile]\n\
1886 [-I directory] [-J private] [-j max_jobs] [-m directory] [-T file]\n\
1887 [-V variable] [variable=value] [target ...]\n", progname);
1893 * realpath(3) can get expensive, cache results...
1896 cached_realpath(const char *pathname, char *resolved)
1898 static GNode *cache;
1901 if (!pathname || !pathname[0])
1905 cache = Targ_NewGN("Realpath");
1906 #ifndef DEBUG_REALPATH_CACHE
1907 cache->flags = INTERNAL;
1911 if ((rp = Var_Value(pathname, cache, &cp)) != NULL) {
1913 strlcpy(resolved, rp, MAXPATHLEN);
1914 } else if ((rp = realpath(pathname, resolved)) != NULL) {
1915 Var_Set(pathname, rp, cache, 0);
1918 return rp ? resolved : NULL;
1922 PrintAddr(void *a, void *b)
1924 printf("%lx ", (unsigned long) a);
1930 addErrorCMD(void *cmdp, void __unused *gnp)
1933 return 1; /* stop */
1934 Var_Append(".ERROR_CMD", cmdp, VAR_GLOBAL);
1939 PrintOnError(GNode *gn, const char *s)
1941 static GNode *en = NULL;
1948 printf("\n%s: stopped in %s\n", progname, curdir);
1951 return; /* we've been here! */
1954 * We can print this even if there is no .ERROR target.
1956 Var_Set(".ERROR_TARGET", gn->name, VAR_GLOBAL, 0);
1957 Var_Delete(".ERROR_CMD", VAR_GLOBAL);
1958 Lst_ForEach(gn->commands, addErrorCMD, gn);
1960 strncpy(tmp, "${MAKE_PRINT_VAR_ON_ERROR:@v@$v='${$v}'\n@}",
1962 cp = Var_Subst(NULL, tmp, VAR_GLOBAL, VARF_WANTRES);
1971 * Finally, see if there is a .ERROR target, and run it if so.
1973 en = Targ_FindNode(".ERROR", TARG_NOCREATE);
1975 en->type |= OP_SPECIAL;
1976 Compat_Make(en, en);
1981 Main_ExportMAKEFLAGS(Boolean first)
1983 static int once = 1;
1991 strncpy(tmp, "${.MAKEFLAGS} ${.MAKEOVERRIDES:O:u:@v@$v=${$v:Q}@}",
1993 s = Var_Subst(NULL, tmp, VAR_CMD, VARF_WANTRES);
1996 setenv("MAKEFLAGS", s, 1);
1998 setenv("MAKE", s, 1);
2006 static char *tmpdir = NULL;
2012 * Honor $TMPDIR but only if it is valid.
2013 * Ensure it ends with /.
2015 tmpdir = Var_Subst(NULL, "${TMPDIR:tA:U" _PATH_TMP "}/", VAR_GLOBAL,
2017 if (stat(tmpdir, &st) < 0 || !S_ISDIR(st.st_mode)) {
2019 tmpdir = bmake_strdup(_PATH_TMP);
2026 * Create and open a temp file using "pattern".
2027 * If "fnamep" is provided set it to a copy of the filename created.
2028 * Otherwise unlink the file once open.
2031 mkTempFile(const char *pattern, char **fnamep)
2033 static char *tmpdir = NULL;
2034 char tfile[MAXPATHLEN];
2040 tmpdir = getTmpdir();
2041 if (pattern[0] == '/') {
2042 snprintf(tfile, sizeof(tfile), "%s", pattern);
2044 snprintf(tfile, sizeof(tfile), "%s%s", tmpdir, pattern);
2046 if ((fd = mkstemp(tfile)) < 0)
2047 Punt("Could not create temporary file %s: %s", tfile, strerror(errno));
2049 *fnamep = bmake_strdup(tfile);
2051 unlink(tfile); /* we just want the descriptor */
2057 * Convert a string representation of a boolean.
2058 * Anything that looks like "No", "False", "Off", "0" etc,
2059 * is FALSE, otherwise TRUE.
2062 s2Boolean(const char *s, Boolean bf)
2066 case '\0': /* not set - the default wins */
2096 * Return a Boolean based on setting of a knob.
2098 * If the knob is not set, the supplied default is the return value.
2099 * If set, anything that looks or smells like "No", "False", "Off", "0" etc,
2100 * is FALSE, otherwise TRUE.
2103 getBoolean(const char *name, Boolean bf)
2108 if (snprintf(tmp, sizeof(tmp), "${%s:U:tl}", name) < (int)(sizeof(tmp))) {
2109 cp = Var_Subst(NULL, tmp, VAR_GLOBAL, VARF_WANTRES);
2112 bf = s2Boolean(cp, bf);