Annotation of src/usr.bin/make/main.c, Revision 1.112
1.111 deraadt 1: /* $OpenBSD: main.c,v 1.110 2015/02/07 18:52:35 jmc 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:
1.106 deraadt 38: #include <sys/param.h> /* MACHINE MACHINE_ARCH */
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
1.109 espie 44: #include <err.h>
1.1 deraadt 45: #include <errno.h>
46: #include <stdio.h>
1.49 espie 47: #include <stdlib.h>
1.48 espie 48: #include <string.h>
49: #include <unistd.h>
50: #include "config.h"
51: #include "defines.h"
52: #include "var.h"
1.96 espie 53: #include "lowparse.h"
1.48 espie 54: #include "parse.h"
55: #include "parsevar.h"
1.1 deraadt 56: #include "dir.h"
1.78 espie 57: #include "direxpand.h"
1.48 espie 58: #include "error.h"
59: #include "pathnames.h"
60: #include "init.h"
1.1 deraadt 61: #include "job.h"
1.48 espie 62: #include "compat.h"
63: #include "targ.h"
64: #include "suff.h"
65: #include "str.h"
66: #include "main.h"
67: #include "lst.h"
68: #include "memory.h"
69: #include "make.h"
1.96 espie 70: #include "dump.h"
1.84 espie 71:
1.46 espie 72: #define MAKEFLAGS ".MAKEFLAGS"
1.1 deraadt 73:
1.48 espie 74: static LIST to_create; /* Targets to be made */
75: Lst create = &to_create;
76: bool allPrecious; /* .PRECIOUS given on line by itself */
1.1 deraadt 77:
1.48 espie 78: static bool noBuiltins; /* -r flag */
1.33 espie 79: static LIST makefiles; /* ordered list of makefiles to read */
1.48 espie 80: static LIST varstoprint; /* list of variables to print */
1.2 deraadt 81: int maxJobs; /* -j argument */
1.48 espie 82: bool compatMake; /* -B argument */
1.86 espie 83: static bool forceJobs = false;
1.63 espie 84: int debug; /* -d flag */
1.48 espie 85: bool noExecute; /* -n flag */
86: bool keepgoing; /* -k flag */
87: bool queryFlag; /* -q flag */
88: bool touchFlag; /* -t flag */
89: bool ignoreErrors; /* -i flag */
90: bool beSilent; /* -s flag */
1.96 espie 91: bool dumpData; /* -p flag */
1.1 deraadt 92:
1.75 espie 93: struct dirs {
94: char *current;
95: char *object;
96: };
97:
98: static void MainParseArgs(int, char **);
99: static void add_dirpath(Lst, const char *);
100: static void usage(void);
101: static void posixParseOptLetter(int);
102: static void record_option(int, const char *);
103:
104: static char *figure_out_MACHINE(void);
105: static char *figure_out_MACHINE_ARCH(void);
1.93 miod 106: static char *figure_out_MACHINE_CPU(void);
1.75 espie 107:
108: static char *chdir_verify_path(const char *, struct dirs *);
109: static char *figure_out_CURDIR(void);
110: static void setup_CURDIR_OBJDIR(struct dirs *, const char *);
111:
112: static void setup_VPATH(void);
113:
1.89 espie 114: static void read_all_make_rules(bool, bool, Lst, struct dirs *);
1.75 espie 115: static void read_makefile_list(Lst, struct dirs *);
116: static int ReadMakefile(void *, void *);
1.1 deraadt 117:
1.100 espie 118: static void
119: record_option(int c, const char *arg)
1.48 espie 120: {
1.100 espie 121: char opt[3];
1.48 espie 122:
1.75 espie 123: opt[0] = '-';
124: opt[1] = c;
125: opt[2] = '\0';
1.76 espie 126: Var_Append(MAKEFLAGS, opt);
1.75 espie 127: if (arg != NULL)
1.76 espie 128: Var_Append(MAKEFLAGS, arg);
1.48 espie 129: }
130:
1.39 espie 131: static void
1.64 espie 132: posixParseOptLetter(int c)
1.39 espie 133: {
134: switch(c) {
135: case 'B':
1.48 espie 136: compatMake = true;
137: return; /* XXX don't pass to submakes. */
1.39 espie 138: case 'S':
1.48 espie 139: keepgoing = false;
1.39 espie 140: break;
141: case 'e':
1.70 espie 142: Var_setCheckEnvFirst(true);
1.39 espie 143: break;
144: case 'i':
1.48 espie 145: ignoreErrors = true;
1.39 espie 146: break;
147: case 'k':
1.48 espie 148: keepgoing = true;
1.39 espie 149: break;
150: case 'n':
1.48 espie 151: noExecute = true;
1.39 espie 152: break;
1.96 espie 153: case 'p':
154: dumpData = true;
155: break;
1.39 espie 156: case 'q':
1.48 espie 157: queryFlag = true;
1.39 espie 158: /* Kind of nonsensical, wot? */
159: break;
160: case 'r':
1.48 espie 161: noBuiltins = true;
1.39 espie 162: break;
163: case 's':
1.48 espie 164: beSilent = true;
1.39 espie 165: break;
166: case 't':
1.48 espie 167: touchFlag = true;
1.39 espie 168: break;
169: default:
170: case '?':
171: usage();
172: }
1.48 espie 173: record_option(c, NULL);
1.39 espie 174: }
175:
1.1 deraadt 176: /*-
177: * MainParseArgs --
178: * Parse a given argument vector. Called from main() and from
179: * Main_ParseArgLine() when the .MAKEFLAGS target is used.
180: *
181: * XXX: Deal with command line overriding .MAKEFLAGS in makefile
182: *
183: * Side Effects:
184: * Various global and local flags will be set depending on the flags
185: * given
186: */
187: static void
1.64 espie 188: MainParseArgs(int argc, char **argv)
1.1 deraadt 189: {
1.61 millert 190: int c, optend;
1.1 deraadt 191:
1.109 espie 192: #define OPTFLAGS "BC:D:I:SV:d:ef:ij:km:npqrst"
1.101 espie 193: #define OPTLETTERS "BSiknpqrst"
1.111 deraadt 194:
1.1 deraadt 195: optind = 1; /* since we're called more than once */
1.58 millert 196: optreset = 1;
1.61 millert 197: optend = 0;
1.58 millert 198: while (optind < argc) {
1.61 millert 199: if (!optend && argv[optind][0] == '-') {
200: if (argv[optind][1] == '\0')
201: optind++; /* ignore "-" */
202: else if (argv[optind][1] == '-' &&
203: argv[optind][2] == '\0') {
204: optind++; /* ignore "--" */
205: optend++; /* "--" denotes end of flags */
206: }
207: }
208: c = optend ? -1 : getopt(argc, argv, OPTFLAGS);
209: switch (c) {
1.109 espie 210: case 'C':
211: break;
1.1 deraadt 212: case 'D':
1.76 espie 213: Var_Set(optarg, "1");
1.48 espie 214: record_option(c, optarg);
1.1 deraadt 215: break;
216: case 'I':
217: Parse_AddIncludeDir(optarg);
1.48 espie 218: record_option(c, optarg);
1.1 deraadt 219: break;
1.9 millert 220: case 'V':
1.48 espie 221: Lst_AtEnd(&varstoprint, optarg);
222: record_option(c, optarg);
1.9 millert 223: break;
1.1 deraadt 224: case 'd': {
225: char *modules = optarg;
226:
227: for (; *modules; ++modules)
228: switch (*modules) {
229: case 'A':
230: debug = ~0;
231: break;
232: case 'a':
233: debug |= DEBUG_ARCH;
234: break;
235: case 'c':
236: debug |= DEBUG_COND;
237: break;
238: case 'd':
239: debug |= DEBUG_DIR;
240: break;
1.99 espie 241: case 'D':
242: debug |= DEBUG_DOUBLE;
243: break;
1.96 espie 244: case 'e':
245: debug |= DEBUG_EXPENSIVE;
246: break;
1.1 deraadt 247: case 'f':
248: debug |= DEBUG_FOR;
249: break;
250: case 'g':
251: if (modules[1] == '1') {
252: debug |= DEBUG_GRAPH1;
253: ++modules;
254: }
255: else if (modules[1] == '2') {
256: debug |= DEBUG_GRAPH2;
257: ++modules;
258: }
259: break;
1.99 espie 260: case 'h':
261: debug |= DEBUG_HELDJOBS;
262: break;
1.1 deraadt 263: case 'j':
1.98 espie 264: debug |= DEBUG_JOB | DEBUG_KILL;
1.1 deraadt 265: break;
1.87 espie 266: case 'J':
1.96 espie 267: /* ignore */
1.98 espie 268: break;
269: case 'k':
270: debug |= DEBUG_KILL;
1.87 espie 271: break;
1.46 espie 272: case 'l':
273: debug |= DEBUG_LOUD;
274: break;
1.1 deraadt 275: case 'm':
276: debug |= DEBUG_MAKE;
1.92 espie 277: break;
278: case 'n':
279: debug |= DEBUG_NAME_MATCHING;
1.1 deraadt 280: break;
1.90 espie 281: case 'p':
282: debug |= DEBUG_PARALLEL;
283: break;
1.96 espie 284: case 'q':
285: debug |= DEBUG_QUICKDEATH;
286: break;
1.1 deraadt 287: case 's':
288: debug |= DEBUG_SUFF;
289: break;
290: case 't':
291: debug |= DEBUG_TARG;
1.99 espie 292: break;
293: case 'T':
294: debug |= DEBUG_TARGGROUP;
1.1 deraadt 295: break;
296: case 'v':
297: debug |= DEBUG_VAR;
298: break;
299: default:
300: (void)fprintf(stderr,
1.67 jmc 301: "make: illegal argument to -d option -- %c\n",
1.1 deraadt 302: *modules);
303: usage();
304: }
1.48 espie 305: record_option(c, optarg);
1.1 deraadt 306: break;
307: }
308: case 'f':
1.33 espie 309: Lst_AtEnd(&makefiles, optarg);
1.1 deraadt 310: break;
1.15 espie 311: case 'j': {
312: char *endptr;
313:
1.48 espie 314: forceJobs = true;
1.15 espie 315: maxJobs = strtol(optarg, &endptr, 0);
316: if (endptr == optarg) {
317: fprintf(stderr,
318: "make: illegal argument to -j option -- %s -- not a number\n",
319: optarg);
320: usage();
321: }
1.48 espie 322: record_option(c, optarg);
1.1 deraadt 323: break;
1.15 espie 324: }
1.5 niklas 325: case 'm':
1.81 espie 326: Dir_AddDir(systemIncludePath, optarg);
1.48 espie 327: record_option(c, optarg);
1.5 niklas 328: break;
1.58 millert 329: case -1:
330: /* Check for variable assignments and targets. */
1.59 millert 331: if (argv[optind] != NULL &&
1.70 espie 332: !Parse_CmdlineVar(argv[optind])) {
1.58 millert 333: if (!*argv[optind])
334: Punt("illegal (null) argument.");
1.61 millert 335: Lst_AtEnd(create, estrdup(argv[optind]));
1.58 millert 336: }
337: optind++; /* skip over non-option */
338: break;
1.1 deraadt 339: default:
1.39 espie 340: posixParseOptLetter(c);
1.1 deraadt 341: }
342: }
1.109 espie 343: }
1.1 deraadt 344:
1.109 espie 345: static void
346: MainParseChdir(int argc, char **argv)
347: {
348: int c, optend, oldopterr;
349:
350: optind = 1; /* since we're called more than once */
351: optreset = 1;
352: optend = 0;
353: oldopterr = opterr;
354: opterr = 0;
355: while (optind < argc) {
356: if (!optend && argv[optind][0] == '-') {
357: if (argv[optind][1] == '\0')
358: optind++; /* ignore "-" */
359: else if (argv[optind][1] == '-' &&
360: argv[optind][2] == '\0') {
361: optind++; /* ignore "--" */
362: optend++; /* "--" denotes end of flags */
363: }
364: }
365: c = optend ? -1 : getopt(argc, argv, OPTFLAGS);
366: switch (c) {
367: case 'C':
368: if (chdir(optarg) == -1)
369: err(1, "chdir(%s)", optarg);
370: break;
371: case -1:
372: optind++; /* skip over non-option */
373: break;
374: default:
375: break;
376: }
377: }
378: opterr = oldopterr;
1.1 deraadt 379: }
380:
381: /*-
382: * Main_ParseArgLine --
1.46 espie 383: * Used by the parse module when a .MFLAGS or .MAKEFLAGS target
1.1 deraadt 384: * is encountered and by main() when reading the .MAKEFLAGS envariable.
385: * Takes a line of arguments and breaks it into its
1.46 espie 386: * component words and passes those words and the number of them to the
1.1 deraadt 387: * MainParseArgs function.
388: * The line should have all its leading whitespace removed.
389: *
390: * Side Effects:
391: * Only those that come from the various arguments.
392: */
393: void
1.64 espie 394: Main_ParseArgLine(const char *line) /* Line to fracture */
1.1 deraadt 395: {
396: char **argv; /* Manufactured argument vector */
397: int argc; /* Number of arguments in argv */
1.14 espie 398: char *args; /* Space used by the args */
1.19 espie 399: char *buf;
1.39 espie 400: char *argv0;
1.48 espie 401: const char *s;
1.60 espie 402: size_t len;
1.1 deraadt 403:
1.46 espie 404:
1.1 deraadt 405: if (line == NULL)
406: return;
407: for (; *line == ' '; ++line)
408: continue;
409: if (!*line)
410: return;
411:
1.39 espie 412: /* POSIX rule: MAKEFLAGS can hold a set of option letters without
413: * any blanks or dashes. */
414: for (s = line;; s++) {
415: if (*s == '\0') {
1.46 espie 416: while (line != s)
1.39 espie 417: posixParseOptLetter(*line++);
418: return;
1.46 espie 419: }
1.39 espie 420: if (strchr(OPTLETTERS, *s) == NULL)
421: break;
422: }
1.46 espie 423: argv0 = Var_Value(".MAKE");
1.60 espie 424: len = strlen(line) + strlen(argv0) + 2;
425: buf = emalloc(len);
426: (void)snprintf(buf, len, "%s %s", argv0, line);
1.14 espie 427:
1.46 espie 428: argv = brk_string(buf, &argc, &args);
1.14 espie 429: free(buf);
1.1 deraadt 430: MainParseArgs(argc, argv);
1.14 espie 431:
432: free(args);
433: free(argv);
1.1 deraadt 434: }
435:
1.75 espie 436: /* Add a :-separated path to a Lst of directories. */
437: static void
438: add_dirpath(Lst l, const char *n)
1.9 millert 439: {
1.75 espie 440: const char *start;
441: const char *cp;
1.9 millert 442:
1.75 espie 443: for (start = n;;) {
444: for (cp = start; *cp != '\0' && *cp != ':';)
445: cp++;
446: Dir_AddDiri(l, start, cp);
447: if (*cp == '\0')
448: break;
449: else
450: start= cp+1;
1.9 millert 451: }
452: }
453:
1.75 espie 454: /*
1.80 espie 455: * Get the name of this type of MACHINE from utsname so we can share an
1.75 espie 456: * executable for similar machines. (i.e. m68k: amiga hp300, mac68k, sun3, ...)
457: *
1.93 miod 458: * Note that MACHINE, MACHINE_ARCH and MACHINE_CPU are decided at
1.75 espie 459: * run-time.
460: */
461: static char *
462: figure_out_MACHINE()
1.42 espie 463: {
1.75 espie 464: char *r = getenv("MACHINE");
465: if (r == NULL) {
466: #ifndef MAKE_BOOTSTRAP
467: static struct utsname utsname;
1.42 espie 468:
1.75 espie 469: if (uname(&utsname) == -1) {
470: perror("make: uname");
471: exit(2);
472: }
473: r = utsname.machine;
474: #else
475: r = MACHINE;
476: #endif
477: }
478: return r;
1.42 espie 479: }
480:
1.75 espie 481: static char *
482: figure_out_MACHINE_ARCH()
1.1 deraadt 483: {
1.75 espie 484: char *r = getenv("MACHINE_ARCH");
485: if (r == NULL) {
486: #ifndef MACHINE_ARCH
487: r = "unknown"; /* XXX: no uname -p yet */
488: #else
489: r = MACHINE_ARCH;
490: #endif
491: }
492: return r;
493: }
1.93 miod 494: static char *
495: figure_out_MACHINE_CPU()
496: {
497: char *r = getenv("MACHINE_CPU");
498: if (r == NULL) {
499: #if !defined(MACHINE_CPU) && ! defined(MACHINE_ARCH)
500: r = "unknown"; /* XXX: no uname -p yet */
501: #else
502: #if defined(MACHINE_CPU)
503: r = MACHINE_CPU;
504: #else
505: r = MACHINE_ARCH;
506: #endif
507: #endif
508: }
509: return r;
510: }
1.46 espie 511:
1.75 espie 512: static char *
513: figure_out_CURDIR()
514: {
515: char *dir, *cwd;
516: struct stat sa, sb;
517:
518: /* curdir is cwd... */
519: cwd = dogetcwd();
520: if (cwd == NULL) {
1.1 deraadt 521: (void)fprintf(stderr, "make: %s.\n", strerror(errno));
522: exit(2);
523: }
524:
1.75 espie 525: if (stat(cwd, &sa) == -1) {
526: (void)fprintf(stderr, "make: %s: %s.\n", cwd, strerror(errno));
527: exit(2);
1.1 deraadt 528: }
529:
1.80 espie 530: /* ...but we can use the alias $PWD if we can prove it is the same
1.75 espie 531: * directory */
532: if ((dir = getenv("PWD")) != NULL) {
533: if (stat(dir, &sb) == 0 && sa.st_ino == sb.st_ino &&
1.91 espie 534: sa.st_dev == sb.st_dev) {
1.75 espie 535: free(cwd);
536: return estrdup(dir);
1.91 espie 537: }
1.1 deraadt 538: }
539:
1.75 espie 540: return cwd;
541: }
542:
543: static char *
544: chdir_verify_path(const char *path, struct dirs *d)
545: {
1.102 espie 546: if (chdir(path) == 0) {
547: if (path[0] != '/')
548: return Str_concat(d->current, path, '/');
549: else
550: return estrdup(path);
1.1 deraadt 551: }
1.75 espie 552: return NULL;
553: }
554:
555: static void
556: setup_CURDIR_OBJDIR(struct dirs *d, const char *machine)
557: {
1.103 chl 558: char *path;
1.12 millert 559:
1.75 espie 560: d->current = figure_out_CURDIR();
1.1 deraadt 561: /*
1.9 millert 562: * If the MAKEOBJDIR (or by default, the _PATH_OBJDIR) directory
1.102 espie 563: * exists, change into it and build there.
1.9 millert 564: *
565: * Once things are initted,
566: * have to add the original directory to the search path,
1.66 jolan 567: * and modify the paths for the Makefiles appropriately. The
1.1 deraadt 568: * current directory is also placed as a variable for make scripts.
569: */
1.102 espie 570: if ((path = getenv("MAKEOBJDIR")) == NULL) {
1.75 espie 571: path = _PATH_OBJDIR;
1.102 espie 572: }
573: d->object = chdir_verify_path(path, d);
1.75 espie 574: if (d->object == NULL)
575: d->object = d->current;
576: }
577:
578: /*
579: * if the VPATH variable is defined, add its contents to the search path.
580: * Uses the same format as the PATH env variable, i.e.,
581: * <directory>:<directory>:<directory>...
582: */
583: static void
584: setup_VPATH()
585: {
586: if (Var_Value("VPATH") != NULL) {
587: char *vpath;
588:
589: vpath = Var_Subst("${VPATH}", NULL, false);
1.79 espie 590: add_dirpath(defaultPath, vpath);
1.75 espie 591: (void)free(vpath);
1.1 deraadt 592: }
1.75 espie 593: }
594:
595: static void
596: read_makefile_list(Lst mk, struct dirs *d)
597: {
598: LstNode ln;
599: ln = Lst_Find(mk, ReadMakefile, d);
600: if (ln != NULL)
601: Fatal("make: cannot open %s.", (char *)Lst_Datum(ln));
602: }
603:
604: static void
1.89 espie 605: read_all_make_rules(bool noBuiltins, bool read_depend,
606: Lst makefiles, struct dirs *d)
1.75 espie 607: {
608: /*
609: * Read in the built-in rules first, followed by the specified
1.104 deraadt 610: * makefile(s), or the default Makefile or makefile, in that order.
1.75 espie 611: */
612: if (!noBuiltins) {
613: LIST sysMkPath; /* Path of sys.mk */
614:
615: Lst_Init(&sysMkPath);
1.81 espie 616: Dir_Expand(_PATH_DEFSYSMK, systemIncludePath, &sysMkPath);
1.75 espie 617: if (Lst_IsEmpty(&sysMkPath))
618: Fatal("make: no system rules (%s).", _PATH_DEFSYSMK);
619:
620: read_makefile_list(&sysMkPath, d);
1.1 deraadt 621: }
622:
1.75 espie 623: if (!Lst_IsEmpty(makefiles)) {
624: read_makefile_list(makefiles, d);
1.104 deraadt 625: } else if (!ReadMakefile("makefile", d))
626: (void)ReadMakefile("Makefile", d);
1.75 espie 627:
1.89 espie 628: /* read a .depend file, if it exists, and we're not building depend */
1.94 espie 629:
1.89 espie 630: if (read_depend)
631: (void)ReadMakefile(".depend", d);
1.75 espie 632: }
633:
634:
635: int main(int, char **);
636: /*-
637: * main --
638: * The main function, for obvious reasons. Initializes variables
639: * and a few modules, then parses the arguments give it in the
640: * environment and on the command line. Reads the system makefile
641: * followed by either Makefile, makefile or the file given by the
642: * -f argument. Sets the .MAKEFLAGS PMake variable based on all the
643: * flags it has received by then uses either the Make or the Compat
644: * module to create the initial list of targets.
645: *
646: * Results:
647: * If -q was given, exits -1 if anything was out-of-date. Else it exits
648: * 0.
649: *
650: * Side Effects:
651: * The program exits when done. Targets are created. etc. etc. etc.
652: */
653: int
654: main(int argc, char **argv)
655: {
656: static LIST targs; /* target nodes to create */
657: bool outOfDate = true; /* false if all targets up to date */
658: char *machine = figure_out_MACHINE();
659: char *machine_arch = figure_out_MACHINE_ARCH();
1.93 miod 660: char *machine_cpu = figure_out_MACHINE_CPU();
1.75 espie 661: const char *syspath = _PATH_DEFSYSPATH;
662: char *p;
663: static struct dirs d;
1.89 espie 664: bool read_depend = true;/* false if we don't want to read .depend */
1.75 espie 665:
1.109 espie 666: MainParseChdir(argc, argv);
1.75 espie 667: setup_CURDIR_OBJDIR(&d, machine);
668:
669: esetenv("PWD", d.object);
1.30 espie 670: unsetenv("CDPATH");
1.1 deraadt 671:
1.56 espie 672: Static_Lst_Init(create);
673: Static_Lst_Init(&makefiles);
674: Static_Lst_Init(&varstoprint);
675: Static_Lst_Init(&targs);
1.52 espie 676:
1.48 espie 677: beSilent = false; /* Print commands as executed */
678: ignoreErrors = false; /* Pay attention to non-zero returns */
679: noExecute = false; /* Execute all commands */
680: keepgoing = false; /* Stop on error */
681: allPrecious = false; /* Remove targets when interrupted */
682: queryFlag = false; /* This is not just a check-run */
683: noBuiltins = false; /* Read the built-in rules */
684: touchFlag = false; /* Actually update targets */
1.1 deraadt 685: debug = 0; /* No debug verbosity, please. */
686:
1.85 espie 687: maxJobs = DEFMAXJOBS;
1.48 espie 688: compatMake = false; /* No compat mode */
1.9 millert 689:
1.1 deraadt 690:
691: /*
1.48 espie 692: * Initialize all external modules.
1.1 deraadt 693: */
1.48 espie 694: Init();
695:
1.75 espie 696: if (d.object != d.current)
1.79 espie 697: Dir_AddDir(defaultPath, d.current);
1.76 espie 698: Var_Set(".CURDIR", d.current);
699: Var_Set(".OBJDIR", d.object);
1.96 espie 700: Parse_setcurdir(d.current);
1.87 espie 701: Targ_setdirs(d.current, d.object);
1.1 deraadt 702:
703: /*
704: * Initialize various variables.
705: * MAKE also gets this name, for compatibility
706: * .MAKEFLAGS gets set to the empty string just in case.
707: * MFLAGS also gets initialized empty, for compatibility.
708: */
1.76 espie 709: Var_Set("MAKE", argv[0]);
710: Var_Set(".MAKE", argv[0]);
711: Var_Set(MAKEFLAGS, "");
712: Var_Set("MFLAGS", "");
713: Var_Set("MACHINE", machine);
714: Var_Set("MACHINE_ARCH", machine_arch);
1.93 miod 715: Var_Set("MACHINE_CPU", machine_cpu);
1.1 deraadt 716:
717: /*
1.46 espie 718: * First snag any flags out of the MAKEFLAGS environment variable.
1.1 deraadt 719: */
720: Main_ParseArgLine(getenv("MAKEFLAGS"));
1.100 espie 721:
722: basedirectory = getenv("MAKEBASEDIRECTORY");
723: if (basedirectory == NULL)
724: setenv("MAKEBASEDIRECTORY", d.current, 0);
1.9 millert 725:
1.1 deraadt 726: MainParseArgs(argc, argv);
1.86 espie 727:
728: /*
1.97 espie 729: * Be compatible if user did not specify -j
1.86 espie 730: */
1.97 espie 731: if (!forceJobs)
1.86 espie 732: compatMake = true;
1.30 espie 733:
1.46 espie 734: /* And set up everything for sub-makes */
1.39 espie 735: Var_AddCmdline(MAKEFLAGS);
1.46 espie 736:
1.1 deraadt 737:
738: /*
739: * Set up the .TARGETS variable to contain the list of targets to be
740: * created. If none specified, make the variable empty -- the parser
741: * will fill the thing in with the default or .MAIN target.
742: */
1.48 espie 743: if (!Lst_IsEmpty(create)) {
1.1 deraadt 744: LstNode ln;
745:
1.48 espie 746: for (ln = Lst_First(create); ln != NULL; ln = Lst_Adv(ln)) {
1.1 deraadt 747: char *name = (char *)Lst_Datum(ln);
748:
1.89 espie 749: if (strcmp(name, "depend") == 0)
750: read_depend = false;
751:
1.76 espie 752: Var_Append(".TARGETS", name);
1.1 deraadt 753: }
754: } else
1.76 espie 755: Var_Set(".TARGETS", "");
1.1 deraadt 756:
1.5 niklas 757:
758: /*
759: * If no user-supplied system path was given (through the -m option)
760: * add the directories from the DEFSYSPATH (more than one may be given
761: * as dir1:...:dirn) to the system include path.
762: */
1.81 espie 763: if (Lst_IsEmpty(systemIncludePath))
764: add_dirpath(systemIncludePath, syspath);
1.5 niklas 765:
1.89 espie 766: read_all_make_rules(noBuiltins, read_depend, &makefiles, &d);
1.1 deraadt 767:
1.76 espie 768: Var_Append("MFLAGS", Var_Value(MAKEFLAGS));
1.1 deraadt 769:
1.46 espie 770: /* Install all the flags into the MAKEFLAGS env variable. */
771: if (((p = Var_Value(MAKEFLAGS)) != NULL) && *p)
1.44 espie 772: esetenv("MAKEFLAGS", p);
1.1 deraadt 773:
1.75 espie 774: setup_VPATH();
1.1 deraadt 775:
1.83 espie 776: process_suffixes_after_makefile_is_read();
1.1 deraadt 777:
1.96 espie 778: if (dumpData) {
779: dump_data();
780: exit(0);
781: }
1.97 espie 782:
783: /* Print the initial graph, if the user requested it. */
784: if (DEBUG(GRAPH1))
785: dump_data();
786:
1.46 espie 787: /* Print the values of any variables requested by the user. */
1.48 espie 788: if (!Lst_IsEmpty(&varstoprint)) {
1.75 espie 789: LstNode ln;
1.9 millert 790:
1.80 espie 791: for (ln = Lst_First(&varstoprint); ln != NULL;
1.75 espie 792: ln = Lst_Adv(ln)) {
793: char *value = Var_Value((char *)Lst_Datum(ln));
1.9 millert 794:
1.75 espie 795: printf("%s\n", value ? value : "");
796: }
1.48 espie 797: } else {
1.80 espie 798: /* Have now read the entire graph and need to make a list
799: * of targets to create. If none was given on the command
800: * line, we consult the parsing module to find the main
1.75 espie 801: * target(s) to create. */
802: if (Lst_IsEmpty(create))
803: Parse_MainName(&targs);
804: else
805: Targ_FindList(&targs, create);
806:
1.96 espie 807: Job_Init(maxJobs);
808: /* If the user has defined a .BEGIN target, execute the commands
809: * attached to it. */
810: if (!queryFlag)
811: Job_Begin();
1.75 espie 812: if (compatMake)
1.80 espie 813: /* Compat_Init will take care of creating all the
1.75 espie 814: * targets as well as initializing the module. */
815: Compat_Run(&targs);
816: else {
817: /* Traverse the graph, checking on all the targets. */
818: outOfDate = Make_Run(&targs);
1.1 deraadt 819: }
1.9 millert 820: }
821:
1.1 deraadt 822: /* print the graph now it's been processed if the user requested it */
823: if (DEBUG(GRAPH2))
1.97 espie 824: post_mortem();
1.1 deraadt 825:
826: if (queryFlag && outOfDate)
1.46 espie 827: return 1;
1.1 deraadt 828: else
1.46 espie 829: return 0;
1.1 deraadt 830: }
831:
832: /*-
833: * ReadMakefile --
834: * Open and parse the given makefile.
835: *
836: * Results:
1.48 espie 837: * true if ok. false if couldn't open file.
1.1 deraadt 838: *
839: * Side Effects:
840: * lots
841: */
1.48 espie 842: static bool
1.75 espie 843: ReadMakefile(void *p, void *q)
1.1 deraadt 844: {
1.108 espie 845: const char *fname = p; /* makefile to read */
1.107 espie 846: struct dirs *d = q;
1.1 deraadt 847: FILE *stream;
1.53 espie 848: char *name;
1.1 deraadt 849:
850: if (!strcmp(fname, "-")) {
1.76 espie 851: Var_Set("MAKEFILE", "");
1.37 espie 852: Parse_File(estrdup("(stdin)"), stdin);
1.1 deraadt 853: } else {
854: if ((stream = fopen(fname, "r")) != NULL)
855: goto found;
856: /* if we've chdir'd, rebuild the path name */
1.75 espie 857: if (d->current != d->object && *fname != '/') {
1.53 espie 858: char *path;
859:
1.75 espie 860: path = Str_concat(d->current, fname, '/');
1.53 espie 861: if ((stream = fopen(path, "r")) == NULL)
1.75 espie 862: free(path);
1.53 espie 863: else {
1.75 espie 864: fname = path;
865: goto found;
1.1 deraadt 866: }
867: }
868: /* look in -I and system include directories. */
1.81 espie 869: name = Dir_FindFile(fname, userIncludePath);
1.1 deraadt 870: if (!name)
1.81 espie 871: name = Dir_FindFile(fname, systemIncludePath);
1.1 deraadt 872: if (!name || !(stream = fopen(name, "r")))
1.48 espie 873: return false;
1.1 deraadt 874: fname = name;
875: /*
876: * set the MAKEFILE variable desired by System V fans -- the
877: * placement of the setting here means it gets set to the last
878: * makefile specified, as it is set by SysV make.
879: */
1.76 espie 880: found: Var_Set("MAKEFILE", fname);
1.1 deraadt 881: Parse_File(fname, stream);
882: }
1.48 espie 883: return true;
1.1 deraadt 884: }
885:
1.46 espie 886:
1.1 deraadt 887: /*
888: * usage --
889: * exit with usage message
890: */
891: static void
892: usage()
893: {
894: (void)fprintf(stderr,
1.110 jmc 895: "usage: make [-BeiknpqrSst] [-C directory] [-D variable] [-d flags] [-f mk]\n\
896: [-I directory] [-j max_processes] [-m directory] [-V variable]\n\
1.65 jmc 897: [NAME=value] [target ...]\n");
1.1 deraadt 898: exit(2);
899: }
900:
901:
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