Annotation of src/usr.bin/make/main.c, Revision 1.98
1.98 ! espie 1: /* $OpenBSD: main.c,v 1.97 2012/10/02 10:29:31 espie Exp $ */
1.12 millert 2: /* $NetBSD: main.c,v 1.34 1997/03/24 20:56:36 gwr Exp $ */
1.1 deraadt 3:
4: /*
1.9 millert 5: * Copyright (c) 1988, 1989, 1990, 1993
6: * The Regents of the University of California. All rights reserved.
1.1 deraadt 7: * Copyright (c) 1989 by Berkeley Softworks
8: * All rights reserved.
9: *
10: * This code is derived from software contributed to Berkeley by
11: * Adam de Boor.
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions
15: * are met:
16: * 1. Redistributions of source code must retain the above copyright
17: * notice, this list of conditions and the following disclaimer.
18: * 2. Redistributions in binary form must reproduce the above copyright
19: * notice, this list of conditions and the following disclaimer in the
20: * documentation and/or other materials provided with the distribution.
1.62 millert 21: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
36: */
37:
1.49 espie 38: #include <sys/param.h>
1.1 deraadt 39: #include <sys/types.h>
40: #include <sys/stat.h>
1.12 millert 41: #ifndef MAKE_BOOTSTRAP
1.1 deraadt 42: #include <sys/utsname.h>
1.9 millert 43: #endif
1.1 deraadt 44: #include <errno.h>
45: #include <stdio.h>
1.49 espie 46: #include <stdlib.h>
1.48 espie 47: #include <string.h>
48: #include <unistd.h>
49: #include "config.h"
50: #include "defines.h"
51: #include "var.h"
1.96 espie 52: #include "lowparse.h"
1.48 espie 53: #include "parse.h"
54: #include "parsevar.h"
1.1 deraadt 55: #include "dir.h"
1.78 espie 56: #include "direxpand.h"
1.48 espie 57: #include "error.h"
58: #include "pathnames.h"
59: #include "init.h"
1.1 deraadt 60: #include "job.h"
1.48 espie 61: #include "compat.h"
62: #include "targ.h"
63: #include "suff.h"
64: #include "str.h"
65: #include "main.h"
66: #include "lst.h"
67: #include "memory.h"
68: #include "make.h"
1.96 espie 69: #include "dump.h"
1.1 deraadt 70:
1.53 espie 71: #ifndef PATH_MAX
72: # ifdef MAXPATHLEN
73: # define PATH_MAX (MAXPATHLEN+1)
74: # else
75: # define PATH_MAX 1024
76: # endif
77: #endif
78:
1.84 espie 79:
1.46 espie 80: #define MAKEFLAGS ".MAKEFLAGS"
1.1 deraadt 81:
1.48 espie 82: static LIST to_create; /* Targets to be made */
83: Lst create = &to_create;
84: bool allPrecious; /* .PRECIOUS given on line by itself */
1.1 deraadt 85:
1.48 espie 86: static bool noBuiltins; /* -r flag */
1.33 espie 87: static LIST makefiles; /* ordered list of makefiles to read */
1.48 espie 88: static LIST varstoprint; /* list of variables to print */
1.2 deraadt 89: int maxJobs; /* -j argument */
1.48 espie 90: bool compatMake; /* -B argument */
1.86 espie 91: static bool forceJobs = false;
1.63 espie 92: int debug; /* -d flag */
1.48 espie 93: bool noExecute; /* -n flag */
94: bool keepgoing; /* -k flag */
95: bool queryFlag; /* -q flag */
96: bool touchFlag; /* -t flag */
97: bool ignoreErrors; /* -i flag */
98: bool beSilent; /* -s flag */
1.96 espie 99: bool dumpData; /* -p flag */
1.1 deraadt 100:
1.75 espie 101: struct dirs {
102: char *current;
103: char *object;
104: };
105:
106: static void MainParseArgs(int, char **);
107: static void add_dirpath(Lst, const char *);
108: static void usage(void);
109: static void posixParseOptLetter(int);
110: static void record_option(int, const char *);
111:
112: static char *figure_out_MACHINE(void);
113: static char *figure_out_MACHINE_ARCH(void);
1.93 miod 114: static char *figure_out_MACHINE_CPU(void);
1.75 espie 115:
116: static char *chdir_verify_path(const char *, struct dirs *);
117: static char *concat_verify(const char *, const char *, char, struct dirs *);
118: static char *figure_out_CURDIR(void);
119: static void setup_CURDIR_OBJDIR(struct dirs *, const char *);
120:
121: static void setup_VPATH(void);
122:
1.89 espie 123: static void read_all_make_rules(bool, bool, Lst, struct dirs *);
1.75 espie 124: static void read_makefile_list(Lst, struct dirs *);
125: static int ReadMakefile(void *, void *);
1.1 deraadt 126:
1.64 espie 127: static void record_option(int c, const char *arg)
1.48 espie 128: {
129: char opt[3];
130:
1.75 espie 131: opt[0] = '-';
132: opt[1] = c;
133: opt[2] = '\0';
1.76 espie 134: Var_Append(MAKEFLAGS, opt);
1.75 espie 135: if (arg != NULL)
1.76 espie 136: Var_Append(MAKEFLAGS, arg);
1.48 espie 137: }
138:
1.39 espie 139: static void
1.64 espie 140: posixParseOptLetter(int c)
1.39 espie 141: {
142: switch(c) {
143: case 'B':
1.48 espie 144: compatMake = true;
145: return; /* XXX don't pass to submakes. */
1.39 espie 146: case 'P':
1.82 espie 147: break; /* old option */
1.39 espie 148: case 'S':
1.48 espie 149: keepgoing = false;
1.39 espie 150: break;
151: case 'e':
1.70 espie 152: Var_setCheckEnvFirst(true);
1.39 espie 153: break;
154: case 'i':
1.48 espie 155: ignoreErrors = true;
1.39 espie 156: break;
157: case 'k':
1.48 espie 158: keepgoing = true;
1.39 espie 159: break;
160: case 'n':
1.48 espie 161: noExecute = true;
1.39 espie 162: break;
1.96 espie 163: case 'p':
164: dumpData = true;
165: break;
1.39 espie 166: case 'q':
1.48 espie 167: queryFlag = true;
1.39 espie 168: /* Kind of nonsensical, wot? */
169: break;
170: case 'r':
1.48 espie 171: noBuiltins = true;
1.39 espie 172: break;
173: case 's':
1.48 espie 174: beSilent = true;
1.39 espie 175: break;
176: case 't':
1.48 espie 177: touchFlag = true;
1.39 espie 178: break;
179: default:
180: case '?':
181: usage();
182: }
1.48 espie 183: record_option(c, NULL);
1.39 espie 184: }
185:
1.1 deraadt 186: /*-
187: * MainParseArgs --
188: * Parse a given argument vector. Called from main() and from
189: * Main_ParseArgLine() when the .MAKEFLAGS target is used.
190: *
191: * XXX: Deal with command line overriding .MAKEFLAGS in makefile
192: *
193: * Side Effects:
194: * Various global and local flags will be set depending on the flags
195: * given
196: */
197: static void
1.64 espie 198: MainParseArgs(int argc, char **argv)
1.1 deraadt 199: {
1.61 millert 200: int c, optend;
1.1 deraadt 201:
1.96 espie 202: #define OPTFLAGS "BD:I:PSV:d:ef:ij:km:npqrst"
203: #define OPTLETTERS "BPSiknpqrst"
1.58 millert 204:
1.1 deraadt 205: optind = 1; /* since we're called more than once */
1.58 millert 206: optreset = 1;
1.61 millert 207: optend = 0;
1.58 millert 208: while (optind < argc) {
1.61 millert 209: if (!optend && argv[optind][0] == '-') {
210: if (argv[optind][1] == '\0')
211: optind++; /* ignore "-" */
212: else if (argv[optind][1] == '-' &&
213: argv[optind][2] == '\0') {
214: optind++; /* ignore "--" */
215: optend++; /* "--" denotes end of flags */
216: }
217: }
218: c = optend ? -1 : getopt(argc, argv, OPTFLAGS);
219: switch (c) {
1.1 deraadt 220: case 'D':
1.76 espie 221: Var_Set(optarg, "1");
1.48 espie 222: record_option(c, optarg);
1.1 deraadt 223: break;
224: case 'I':
225: Parse_AddIncludeDir(optarg);
1.48 espie 226: record_option(c, optarg);
1.1 deraadt 227: break;
1.9 millert 228: case 'V':
1.48 espie 229: Lst_AtEnd(&varstoprint, optarg);
230: record_option(c, optarg);
1.9 millert 231: break;
1.1 deraadt 232: case 'd': {
233: char *modules = optarg;
234:
235: for (; *modules; ++modules)
236: switch (*modules) {
237: case 'A':
238: debug = ~0;
239: break;
240: case 'a':
241: debug |= DEBUG_ARCH;
242: break;
243: case 'c':
244: debug |= DEBUG_COND;
245: break;
246: case 'd':
247: debug |= DEBUG_DIR;
248: break;
1.96 espie 249: case 'e':
250: debug |= DEBUG_EXPENSIVE;
251: break;
1.1 deraadt 252: case 'f':
253: debug |= DEBUG_FOR;
254: break;
255: case 'g':
256: if (modules[1] == '1') {
257: debug |= DEBUG_GRAPH1;
258: ++modules;
259: }
260: else if (modules[1] == '2') {
261: debug |= DEBUG_GRAPH2;
262: ++modules;
263: }
264: break;
265: case 'j':
1.98 ! espie 266: debug |= DEBUG_JOB | DEBUG_KILL;
1.1 deraadt 267: break;
1.87 espie 268: case 'J':
1.96 espie 269: /* ignore */
1.98 ! espie 270: break;
! 271: case 'k':
! 272: debug |= DEBUG_KILL;
1.87 espie 273: break;
1.46 espie 274: case 'l':
275: debug |= DEBUG_LOUD;
276: break;
1.1 deraadt 277: case 'm':
278: debug |= DEBUG_MAKE;
1.92 espie 279: break;
280: case 'n':
281: debug |= DEBUG_NAME_MATCHING;
1.1 deraadt 282: break;
1.90 espie 283: case 'p':
284: debug |= DEBUG_PARALLEL;
285: break;
1.96 espie 286: case 'q':
287: debug |= DEBUG_QUICKDEATH;
288: break;
1.1 deraadt 289: case 's':
290: debug |= DEBUG_SUFF;
291: break;
292: case 't':
293: debug |= DEBUG_TARG;
294: break;
295: case 'v':
296: debug |= DEBUG_VAR;
297: break;
298: default:
299: (void)fprintf(stderr,
1.67 jmc 300: "make: illegal argument to -d option -- %c\n",
1.1 deraadt 301: *modules);
302: usage();
303: }
1.48 espie 304: record_option(c, optarg);
1.1 deraadt 305: break;
306: }
307: case 'f':
1.33 espie 308: Lst_AtEnd(&makefiles, optarg);
1.1 deraadt 309: break;
1.15 espie 310: case 'j': {
311: char *endptr;
312:
1.48 espie 313: forceJobs = true;
1.15 espie 314: maxJobs = strtol(optarg, &endptr, 0);
315: if (endptr == optarg) {
316: fprintf(stderr,
317: "make: illegal argument to -j option -- %s -- not a number\n",
318: optarg);
319: usage();
320: }
1.48 espie 321: record_option(c, optarg);
1.1 deraadt 322: break;
1.15 espie 323: }
1.5 niklas 324: case 'm':
1.81 espie 325: Dir_AddDir(systemIncludePath, optarg);
1.48 espie 326: record_option(c, optarg);
1.5 niklas 327: break;
1.58 millert 328: case -1:
329: /* Check for variable assignments and targets. */
1.59 millert 330: if (argv[optind] != NULL &&
1.70 espie 331: !Parse_CmdlineVar(argv[optind])) {
1.58 millert 332: if (!*argv[optind])
333: Punt("illegal (null) argument.");
1.61 millert 334: Lst_AtEnd(create, estrdup(argv[optind]));
1.58 millert 335: }
336: optind++; /* skip over non-option */
337: break;
1.1 deraadt 338: default:
1.39 espie 339: posixParseOptLetter(c);
1.1 deraadt 340: }
341: }
342:
343: }
344:
345: /*-
346: * Main_ParseArgLine --
1.46 espie 347: * Used by the parse module when a .MFLAGS or .MAKEFLAGS target
1.1 deraadt 348: * is encountered and by main() when reading the .MAKEFLAGS envariable.
349: * Takes a line of arguments and breaks it into its
1.46 espie 350: * component words and passes those words and the number of them to the
1.1 deraadt 351: * MainParseArgs function.
352: * The line should have all its leading whitespace removed.
353: *
354: * Side Effects:
355: * Only those that come from the various arguments.
356: */
357: void
1.64 espie 358: Main_ParseArgLine(const char *line) /* Line to fracture */
1.1 deraadt 359: {
360: char **argv; /* Manufactured argument vector */
361: int argc; /* Number of arguments in argv */
1.14 espie 362: char *args; /* Space used by the args */
1.19 espie 363: char *buf;
1.39 espie 364: char *argv0;
1.48 espie 365: const char *s;
1.60 espie 366: size_t len;
1.1 deraadt 367:
1.46 espie 368:
1.1 deraadt 369: if (line == NULL)
370: return;
371: for (; *line == ' '; ++line)
372: continue;
373: if (!*line)
374: return;
375:
1.39 espie 376: /* POSIX rule: MAKEFLAGS can hold a set of option letters without
377: * any blanks or dashes. */
378: for (s = line;; s++) {
379: if (*s == '\0') {
1.46 espie 380: while (line != s)
1.39 espie 381: posixParseOptLetter(*line++);
382: return;
1.46 espie 383: }
1.39 espie 384: if (strchr(OPTLETTERS, *s) == NULL)
385: break;
386: }
1.46 espie 387: argv0 = Var_Value(".MAKE");
1.60 espie 388: len = strlen(line) + strlen(argv0) + 2;
389: buf = emalloc(len);
390: (void)snprintf(buf, len, "%s %s", argv0, line);
1.14 espie 391:
1.46 espie 392: argv = brk_string(buf, &argc, &args);
1.14 espie 393: free(buf);
1.1 deraadt 394: MainParseArgs(argc, argv);
1.14 espie 395:
396: free(args);
397: free(argv);
1.1 deraadt 398: }
399:
1.75 espie 400: /* Add a :-separated path to a Lst of directories. */
401: static void
402: add_dirpath(Lst l, const char *n)
1.9 millert 403: {
1.75 espie 404: const char *start;
405: const char *cp;
1.9 millert 406:
1.75 espie 407: for (start = n;;) {
408: for (cp = start; *cp != '\0' && *cp != ':';)
409: cp++;
410: Dir_AddDiri(l, start, cp);
411: if (*cp == '\0')
412: break;
413: else
414: start= cp+1;
1.9 millert 415: }
416: }
417:
1.75 espie 418: /*
1.80 espie 419: * Get the name of this type of MACHINE from utsname so we can share an
1.75 espie 420: * executable for similar machines. (i.e. m68k: amiga hp300, mac68k, sun3, ...)
421: *
1.93 miod 422: * Note that MACHINE, MACHINE_ARCH and MACHINE_CPU are decided at
1.75 espie 423: * run-time.
424: */
425: static char *
426: figure_out_MACHINE()
1.42 espie 427: {
1.75 espie 428: char *r = getenv("MACHINE");
429: if (r == NULL) {
430: #ifndef MAKE_BOOTSTRAP
431: static struct utsname utsname;
1.42 espie 432:
1.75 espie 433: if (uname(&utsname) == -1) {
434: perror("make: uname");
435: exit(2);
436: }
437: r = utsname.machine;
438: #else
439: r = MACHINE;
440: #endif
441: }
442: return r;
1.42 espie 443: }
444:
1.75 espie 445: static char *
446: figure_out_MACHINE_ARCH()
1.1 deraadt 447: {
1.75 espie 448: char *r = getenv("MACHINE_ARCH");
449: if (r == NULL) {
450: #ifndef MACHINE_ARCH
451: r = "unknown"; /* XXX: no uname -p yet */
452: #else
453: r = MACHINE_ARCH;
454: #endif
455: }
456: return r;
457: }
1.93 miod 458: static char *
459: figure_out_MACHINE_CPU()
460: {
461: char *r = getenv("MACHINE_CPU");
462: if (r == NULL) {
463: #if !defined(MACHINE_CPU) && ! defined(MACHINE_ARCH)
464: r = "unknown"; /* XXX: no uname -p yet */
465: #else
466: #if defined(MACHINE_CPU)
467: r = MACHINE_CPU;
468: #else
469: r = MACHINE_ARCH;
470: #endif
471: #endif
472: }
473: return r;
474: }
1.46 espie 475:
1.75 espie 476: static char *
477: figure_out_CURDIR()
478: {
479: char *dir, *cwd;
480: struct stat sa, sb;
481:
482: /* curdir is cwd... */
483: cwd = dogetcwd();
484: if (cwd == NULL) {
1.1 deraadt 485: (void)fprintf(stderr, "make: %s.\n", strerror(errno));
486: exit(2);
487: }
488:
1.75 espie 489: if (stat(cwd, &sa) == -1) {
490: (void)fprintf(stderr, "make: %s: %s.\n", cwd, strerror(errno));
491: exit(2);
1.1 deraadt 492: }
493:
1.80 espie 494: /* ...but we can use the alias $PWD if we can prove it is the same
1.75 espie 495: * directory */
496: if ((dir = getenv("PWD")) != NULL) {
497: if (stat(dir, &sb) == 0 && sa.st_ino == sb.st_ino &&
1.91 espie 498: sa.st_dev == sb.st_dev) {
1.75 espie 499: free(cwd);
500: return estrdup(dir);
1.91 espie 501: }
1.1 deraadt 502: }
503:
1.75 espie 504: return cwd;
505: }
506:
507: static char *
508: chdir_verify_path(const char *path, struct dirs *d)
509: {
510: struct stat sb;
1.9 millert 511:
1.75 espie 512: if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
513: if (chdir(path)) {
514: (void)fprintf(stderr, "make warning: %s: %s.\n",
515: path, strerror(errno));
516: return NULL;
517: } else {
518: if (path[0] != '/')
519: return Str_concat(d->current, path, '/');
520: else
521: return estrdup(path);
522: }
1.1 deraadt 523: }
524:
1.75 espie 525: return NULL;
526: }
527:
528: static char *
529: concat_verify(const char *p1, const char *p2, char c, struct dirs *d)
530: {
531: char *tmp = Str_concat(p1, p2, c);
532: char *result = chdir_verify_path(tmp, d);
533: free(tmp);
534: return result;
535: }
536:
537: static void
538: setup_CURDIR_OBJDIR(struct dirs *d, const char *machine)
539: {
540: char *path, *prefix;
1.12 millert 541:
1.75 espie 542: d->current = figure_out_CURDIR();
543: d->object = NULL;
1.1 deraadt 544: /*
1.9 millert 545: * If the MAKEOBJDIR (or by default, the _PATH_OBJDIR) directory
546: * exists, change into it and build there. (If a .${MACHINE} suffix
547: * exists, use that directory instead).
548: * Otherwise check MAKEOBJDIRPREFIX`cwd` (or by default,
549: * _PATH_OBJDIRPREFIX`cwd`) and build there if it exists.
550: * If all fails, use the current directory to build.
551: *
552: * Once things are initted,
553: * have to add the original directory to the search path,
1.66 jolan 554: * and modify the paths for the Makefiles appropriately. The
1.1 deraadt 555: * current directory is also placed as a variable for make scripts.
556: */
1.75 espie 557: if ((prefix = getenv("MAKEOBJDIRPREFIX")) != NULL) {
558: d->object = concat_verify(prefix, d->current, 0, d);
559: } else if ((path = getenv("MAKEOBJDIR")) != NULL) {
560: d->object = chdir_verify_path(path, d);
561: } else {
562: path = _PATH_OBJDIR;
563: prefix = _PATH_OBJDIRPREFIX;
564: d->object = concat_verify(path, machine, '.', d);
565: if (!d->object)
566: d->object=chdir_verify_path(path, d);
567: if (!d->object)
568: d->object = concat_verify(prefix, d->current, 0, d);
569: }
570: if (d->object == NULL)
571: d->object = d->current;
572: }
573:
574: /*
575: * if the VPATH variable is defined, add its contents to the search path.
576: * Uses the same format as the PATH env variable, i.e.,
577: * <directory>:<directory>:<directory>...
578: */
579: static void
580: setup_VPATH()
581: {
582: if (Var_Value("VPATH") != NULL) {
583: char *vpath;
584:
585: vpath = Var_Subst("${VPATH}", NULL, false);
1.79 espie 586: add_dirpath(defaultPath, vpath);
1.75 espie 587: (void)free(vpath);
1.1 deraadt 588: }
1.75 espie 589: }
590:
591: static void
592: read_makefile_list(Lst mk, struct dirs *d)
593: {
594: LstNode ln;
595: ln = Lst_Find(mk, ReadMakefile, d);
596: if (ln != NULL)
597: Fatal("make: cannot open %s.", (char *)Lst_Datum(ln));
598: }
599:
600: static void
1.89 espie 601: read_all_make_rules(bool noBuiltins, bool read_depend,
602: Lst makefiles, struct dirs *d)
1.75 espie 603: {
604: /*
605: * Read in the built-in rules first, followed by the specified
606: * makefile(s), or the default BSDmakefile, Makefile or
607: * makefile, in that order.
608: */
609: if (!noBuiltins) {
610: LIST sysMkPath; /* Path of sys.mk */
611:
612: Lst_Init(&sysMkPath);
1.81 espie 613: Dir_Expand(_PATH_DEFSYSMK, systemIncludePath, &sysMkPath);
1.75 espie 614: if (Lst_IsEmpty(&sysMkPath))
615: Fatal("make: no system rules (%s).", _PATH_DEFSYSMK);
616:
617: read_makefile_list(&sysMkPath, d);
1.1 deraadt 618: }
619:
1.75 espie 620: if (!Lst_IsEmpty(makefiles)) {
621: read_makefile_list(makefiles, d);
622: } else if (!ReadMakefile("BSDmakefile", d))
623: if (!ReadMakefile("makefile", d))
624: (void)ReadMakefile("Makefile", d);
625:
1.89 espie 626: /* read a .depend file, if it exists, and we're not building depend */
1.94 espie 627:
1.89 espie 628: if (read_depend)
629: (void)ReadMakefile(".depend", d);
1.75 espie 630: }
631:
632:
633: int main(int, char **);
634: /*-
635: * main --
636: * The main function, for obvious reasons. Initializes variables
637: * and a few modules, then parses the arguments give it in the
638: * environment and on the command line. Reads the system makefile
639: * followed by either Makefile, makefile or the file given by the
640: * -f argument. Sets the .MAKEFLAGS PMake variable based on all the
641: * flags it has received by then uses either the Make or the Compat
642: * module to create the initial list of targets.
643: *
644: * Results:
645: * If -q was given, exits -1 if anything was out-of-date. Else it exits
646: * 0.
647: *
648: * Side Effects:
649: * The program exits when done. Targets are created. etc. etc. etc.
650: */
651: int
652: main(int argc, char **argv)
653: {
654: static LIST targs; /* target nodes to create */
655: bool outOfDate = true; /* false if all targets up to date */
656: char *machine = figure_out_MACHINE();
657: char *machine_arch = figure_out_MACHINE_ARCH();
1.93 miod 658: char *machine_cpu = figure_out_MACHINE_CPU();
1.75 espie 659: const char *syspath = _PATH_DEFSYSPATH;
660: char *p;
661: static struct dirs d;
1.89 espie 662: bool read_depend = true;/* false if we don't want to read .depend */
1.75 espie 663:
664: setup_CURDIR_OBJDIR(&d, machine);
665:
666: esetenv("PWD", d.object);
1.30 espie 667: unsetenv("CDPATH");
1.1 deraadt 668:
1.56 espie 669: Static_Lst_Init(create);
670: Static_Lst_Init(&makefiles);
671: Static_Lst_Init(&varstoprint);
672: Static_Lst_Init(&targs);
1.52 espie 673:
1.48 espie 674: beSilent = false; /* Print commands as executed */
675: ignoreErrors = false; /* Pay attention to non-zero returns */
676: noExecute = false; /* Execute all commands */
677: keepgoing = false; /* Stop on error */
678: allPrecious = false; /* Remove targets when interrupted */
679: queryFlag = false; /* This is not just a check-run */
680: noBuiltins = false; /* Read the built-in rules */
681: touchFlag = false; /* Actually update targets */
1.1 deraadt 682: debug = 0; /* No debug verbosity, please. */
683:
1.85 espie 684: maxJobs = DEFMAXJOBS;
1.48 espie 685: compatMake = false; /* No compat mode */
1.9 millert 686:
1.1 deraadt 687:
688: /*
1.48 espie 689: * Initialize all external modules.
1.1 deraadt 690: */
1.48 espie 691: Init();
692:
1.75 espie 693: if (d.object != d.current)
1.79 espie 694: Dir_AddDir(defaultPath, d.current);
1.76 espie 695: Var_Set(".CURDIR", d.current);
696: Var_Set(".OBJDIR", d.object);
1.96 espie 697: Parse_setcurdir(d.current);
1.87 espie 698: Targ_setdirs(d.current, d.object);
1.1 deraadt 699:
700: /*
701: * Initialize various variables.
702: * MAKE also gets this name, for compatibility
703: * .MAKEFLAGS gets set to the empty string just in case.
704: * MFLAGS also gets initialized empty, for compatibility.
705: */
1.76 espie 706: Var_Set("MAKE", argv[0]);
707: Var_Set(".MAKE", argv[0]);
708: Var_Set(MAKEFLAGS, "");
709: Var_Set("MFLAGS", "");
710: Var_Set("MACHINE", machine);
711: Var_Set("MACHINE_ARCH", machine_arch);
1.93 miod 712: Var_Set("MACHINE_CPU", machine_cpu);
1.1 deraadt 713:
714: /*
1.46 espie 715: * First snag any flags out of the MAKEFLAGS environment variable.
1.1 deraadt 716: */
717: Main_ParseArgLine(getenv("MAKEFLAGS"));
1.9 millert 718:
1.1 deraadt 719: MainParseArgs(argc, argv);
1.86 espie 720:
721: /*
1.97 espie 722: * Be compatible if user did not specify -j
1.86 espie 723: */
1.97 espie 724: if (!forceJobs)
1.86 espie 725: compatMake = true;
1.30 espie 726:
1.46 espie 727: /* And set up everything for sub-makes */
1.39 espie 728: Var_AddCmdline(MAKEFLAGS);
1.46 espie 729:
1.1 deraadt 730:
731: /*
732: * Set up the .TARGETS variable to contain the list of targets to be
733: * created. If none specified, make the variable empty -- the parser
734: * will fill the thing in with the default or .MAIN target.
735: */
1.48 espie 736: if (!Lst_IsEmpty(create)) {
1.1 deraadt 737: LstNode ln;
738:
1.48 espie 739: for (ln = Lst_First(create); ln != NULL; ln = Lst_Adv(ln)) {
1.1 deraadt 740: char *name = (char *)Lst_Datum(ln);
741:
1.89 espie 742: if (strcmp(name, "depend") == 0)
743: read_depend = false;
744:
1.76 espie 745: Var_Append(".TARGETS", name);
1.1 deraadt 746: }
747: } else
1.76 espie 748: Var_Set(".TARGETS", "");
1.1 deraadt 749:
1.5 niklas 750:
751: /*
752: * If no user-supplied system path was given (through the -m option)
753: * add the directories from the DEFSYSPATH (more than one may be given
754: * as dir1:...:dirn) to the system include path.
755: */
1.81 espie 756: if (Lst_IsEmpty(systemIncludePath))
757: add_dirpath(systemIncludePath, syspath);
1.5 niklas 758:
1.89 espie 759: read_all_make_rules(noBuiltins, read_depend, &makefiles, &d);
1.1 deraadt 760:
1.76 espie 761: Var_Append("MFLAGS", Var_Value(MAKEFLAGS));
1.1 deraadt 762:
1.46 espie 763: /* Install all the flags into the MAKEFLAGS env variable. */
764: if (((p = Var_Value(MAKEFLAGS)) != NULL) && *p)
1.44 espie 765: esetenv("MAKEFLAGS", p);
1.1 deraadt 766:
1.75 espie 767: setup_VPATH();
1.1 deraadt 768:
1.83 espie 769: process_suffixes_after_makefile_is_read();
1.1 deraadt 770:
1.96 espie 771: if (dumpData) {
772: dump_data();
773: exit(0);
774: }
1.97 espie 775:
776: /* Print the initial graph, if the user requested it. */
777: if (DEBUG(GRAPH1))
778: dump_data();
779:
1.46 espie 780: /* Print the values of any variables requested by the user. */
1.48 espie 781: if (!Lst_IsEmpty(&varstoprint)) {
1.75 espie 782: LstNode ln;
1.9 millert 783:
1.80 espie 784: for (ln = Lst_First(&varstoprint); ln != NULL;
1.75 espie 785: ln = Lst_Adv(ln)) {
786: char *value = Var_Value((char *)Lst_Datum(ln));
1.9 millert 787:
1.75 espie 788: printf("%s\n", value ? value : "");
789: }
1.48 espie 790: } else {
1.80 espie 791: /* Have now read the entire graph and need to make a list
792: * of targets to create. If none was given on the command
793: * line, we consult the parsing module to find the main
1.75 espie 794: * target(s) to create. */
795: if (Lst_IsEmpty(create))
796: Parse_MainName(&targs);
797: else
798: Targ_FindList(&targs, create);
799:
1.96 espie 800: Job_Init(maxJobs);
801: /* If the user has defined a .BEGIN target, execute the commands
802: * attached to it. */
803: if (!queryFlag)
804: Job_Begin();
1.75 espie 805: if (compatMake)
1.80 espie 806: /* Compat_Init will take care of creating all the
1.75 espie 807: * targets as well as initializing the module. */
808: Compat_Run(&targs);
809: else {
810: /* Traverse the graph, checking on all the targets. */
811: outOfDate = Make_Run(&targs);
1.1 deraadt 812: }
1.9 millert 813: }
814:
1.1 deraadt 815: /* print the graph now it's been processed if the user requested it */
816: if (DEBUG(GRAPH2))
1.97 espie 817: post_mortem();
1.1 deraadt 818:
819: if (queryFlag && outOfDate)
1.46 espie 820: return 1;
1.1 deraadt 821: else
1.46 espie 822: return 0;
1.1 deraadt 823: }
824:
825: /*-
826: * ReadMakefile --
827: * Open and parse the given makefile.
828: *
829: * Results:
1.48 espie 830: * true if ok. false if couldn't open file.
1.1 deraadt 831: *
832: * Side Effects:
833: * lots
834: */
1.48 espie 835: static bool
1.75 espie 836: ReadMakefile(void *p, void *q)
1.1 deraadt 837: {
1.64 espie 838: char *fname = (char *)p; /* makefile to read */
1.75 espie 839: struct dirs *d = (struct dirs *)q;
1.1 deraadt 840: FILE *stream;
1.53 espie 841: char *name;
1.1 deraadt 842:
843: if (!strcmp(fname, "-")) {
1.76 espie 844: Var_Set("MAKEFILE", "");
1.37 espie 845: Parse_File(estrdup("(stdin)"), stdin);
1.1 deraadt 846: } else {
847: if ((stream = fopen(fname, "r")) != NULL)
848: goto found;
849: /* if we've chdir'd, rebuild the path name */
1.75 espie 850: if (d->current != d->object && *fname != '/') {
1.53 espie 851: char *path;
852:
1.75 espie 853: path = Str_concat(d->current, fname, '/');
1.53 espie 854: if ((stream = fopen(path, "r")) == NULL)
1.75 espie 855: free(path);
1.53 espie 856: else {
1.75 espie 857: fname = path;
858: goto found;
1.1 deraadt 859: }
860: }
861: /* look in -I and system include directories. */
1.81 espie 862: name = Dir_FindFile(fname, userIncludePath);
1.1 deraadt 863: if (!name)
1.81 espie 864: name = Dir_FindFile(fname, systemIncludePath);
1.1 deraadt 865: if (!name || !(stream = fopen(name, "r")))
1.48 espie 866: return false;
1.1 deraadt 867: fname = name;
868: /*
869: * set the MAKEFILE variable desired by System V fans -- the
870: * placement of the setting here means it gets set to the last
871: * makefile specified, as it is set by SysV make.
872: */
1.76 espie 873: found: Var_Set("MAKEFILE", fname);
1.1 deraadt 874: Parse_File(fname, stream);
875: }
1.48 espie 876: return true;
1.1 deraadt 877: }
878:
1.46 espie 879:
1.1 deraadt 880: /*
881: * usage --
882: * exit with usage message
883: */
884: static void
885: usage()
886: {
887: (void)fprintf(stderr,
1.65 jmc 888: "usage: make [-BeiknPqrSst] [-D variable] [-d flags] [-f makefile]\n\
1.46 espie 889: [-I directory] [-j max_jobs] [-m directory] [-V variable]\n\
1.65 jmc 890: [NAME=value] [target ...]\n");
1.1 deraadt 891: exit(2);
892: }
893:
894:
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