mkmakefile.c revision 73199
1/* 2 * Copyright (c) 1993, 19801990 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35#if 0 36static char sccsid[] = "@(#)mkmakefile.c 8.1 (Berkeley) 6/6/93"; 37#endif 38static const char rcsid[] = 39 "$FreeBSD: head/usr.sbin/config/mkmakefile.c 73199 2001-02-28 02:30:30Z peter $"; 40#endif /* not lint */ 41 42/* 43 * Build the makefile for the system, from 44 * the information in the files files and the 45 * additional files for the machine being compiled to. 46 */ 47 48#include <ctype.h> 49#include <err.h> 50#include <stdio.h> 51#include <string.h> 52#include <sys/param.h> 53#include "y.tab.h" 54#include "config.h" 55#include "configvers.h" 56 57#define next_word(fp, wd) \ 58 { char *word = get_word(fp); \ 59 if (word == (char *)EOF) \ 60 return; \ 61 else \ 62 wd = word; \ 63 } 64#define next_quoted_word(fp, wd) \ 65 { char *word = get_quoted_word(fp); \ 66 if (word == (char *)EOF) \ 67 return; \ 68 else \ 69 wd = word; \ 70 } 71 72static struct file_list *fcur; 73 74static char *tail(char *); 75static void do_clean(FILE *); 76static void do_rules(FILE *); 77static void do_xxfiles(char *, FILE *); 78static void do_objs(FILE *); 79static void do_before_depend(FILE *); 80static int opteq(const char *, const char *); 81static void read_files(void); 82 83/* 84 * Lookup a file, by name. 85 */ 86static struct file_list * 87fl_lookup(char *file) 88{ 89 struct file_list *fp; 90 91 for (fp = ftab ; fp != 0; fp = fp->f_next) { 92 if (eq(fp->f_fn, file)) 93 return (fp); 94 } 95 return (0); 96} 97 98/* 99 * Make a new file list entry 100 */ 101static struct file_list * 102new_fent(void) 103{ 104 struct file_list *fp; 105 106 fp = (struct file_list *) malloc(sizeof *fp); 107 bzero(fp, sizeof *fp); 108 if (fcur == 0) 109 fcur = ftab = fp; 110 else 111 fcur->f_next = fp; 112 fcur = fp; 113 return (fp); 114} 115 116/* 117 * Build the makefile from the skeleton 118 */ 119void 120makefile(void) 121{ 122 FILE *ifp, *ofp; 123 char line[BUFSIZ]; 124 struct opt *op; 125 int versreq; 126 char *s; 127 128 read_files(); 129 snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename); 130 ifp = fopen(line, "r"); 131 if (ifp == 0) { 132 snprintf(line, sizeof(line), "Makefile.%s", machinename); 133 ifp = fopen(line, "r"); 134 } 135 if (ifp == 0) 136 err(1, "%s", line); 137 ofp = fopen(path("Makefile.new"), "w"); 138 if (ofp == 0) 139 err(1, "%s", path("Makefile.new")); 140 fprintf(ofp, "KERN_IDENT=%s\n", raisestr(ident)); 141 fprintf(ofp, "IDENT="); 142 if (profiling) 143 fprintf(ofp, " -DGPROF"); 144 145 if (cputype == 0) { 146 printf("cpu type must be specified\n"); 147 exit(1); 148 } 149 fprintf(ofp, "\n"); 150 for (op = mkopt; op; op = op->op_next) 151 fprintf(ofp, "%s=%s\n", op->op_name, op->op_value); 152 if (debugging) 153 fprintf(ofp, "DEBUG=-g\n"); 154 if (profiling) { 155 fprintf(ofp, "PROF=-pg\n"); 156 fprintf(ofp, "PROFLEVEL=%d\n", profiling); 157 } 158 if (*srcdir != '\0') 159 fprintf(ofp,"S=%s\n", srcdir); 160 while (fgets(line, BUFSIZ, ifp) != 0) { 161 if (*line != '%') { 162 fprintf(ofp, "%s", line); 163 continue; 164 } 165 if (eq(line, "%BEFORE_DEPEND\n")) 166 do_before_depend(ofp); 167 else if (eq(line, "%OBJS\n")) 168 do_objs(ofp); 169 else if (strncmp(line, "%FILES.", 7) == 0) 170 do_xxfiles(line, ofp); 171 else if (eq(line, "%RULES\n")) 172 do_rules(ofp); 173 else if (eq(line, "%CLEAN\n")) 174 do_clean(ofp); 175 else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) { 176 versreq = atoi(line + sizeof("%VERSREQ=") - 1); 177 if (versreq != CONFIGVERS) { 178 fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n"); 179 fprintf(stderr, "config version = %d, ", CONFIGVERS); 180 fprintf(stderr, "version required = %d\n\n", versreq); 181 fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n"); 182 fprintf(stderr, "with your /usr/src/sys and install a new config binary\n"); 183 fprintf(stderr, "before trying this again.\n\n"); 184 fprintf(stderr, "If running the new config fails check your config\n"); 185 fprintf(stderr, "file against the GENERIC or LINT config files for\n"); 186 fprintf(stderr, "changes in config syntax, or option/device naming\n"); 187 fprintf(stderr, "conventions\n\n"); 188 exit(1); 189 } 190 } else 191 fprintf(stderr, 192 "Unknown %% construct in generic makefile: %s", 193 line); 194 } 195 (void) fclose(ifp); 196 (void) fclose(ofp); 197 moveifchanged(path("Makefile.new"), path("Makefile")); 198 199 if (hints) { 200 ifp = fopen(hints, "r"); 201 if (ifp == NULL) 202 err(1, "%s", hints); 203 } else { 204 ifp = NULL; 205 } 206 ofp = fopen(path("hints.c.new"), "w"); 207 if (ofp == NULL) 208 err(1, "%s", path("hints.c.new")); 209 if (hintmode == 0) { 210 snprintf(line, sizeof(line), "%s.hints", PREFIX); 211 ifp = fopen(line, "r"); 212 if (ifp) 213 hintmode = 2; 214 } 215 fprintf(ofp, "int hintmode = %d;\n", hintmode); 216 fprintf(ofp, "char static_hints[] = {\n"); 217 if (ifp) { 218 while (fgets(line, BUFSIZ, ifp) != 0) { 219 /* zap trailing CR and/or LF */ 220 while ((s = rindex(line, '\n')) != NULL) 221 *s = '\0'; 222 while ((s = rindex(line, '\r')) != NULL) 223 *s = '\0'; 224 /* remove # comments */ 225 s = index(line, '#'); 226 if (s) 227 *s = '\0'; 228 /* remove any whitespace and " characters */ 229 s = line; 230 while (*s) { 231 if (*s == ' ' || *s == '\t' || *s == '"') { 232 while (*s) { 233 s[0] = s[1]; 234 s++; 235 } 236 /* start over */ 237 s = line; 238 continue; 239 } 240 s++; 241 } 242 /* anything left? */ 243 if (*line == '\0') 244 continue; 245 fprintf(ofp, "\"%s\\0\"\n", line); 246 } 247 } 248 fprintf(ofp, "\"\\0\"\n};\n"); 249 if (ifp) 250 fclose(ifp); 251 fclose(ofp); 252 moveifchanged(path("hints.c.new"), path("hints.c")); 253} 254 255/* 256 * Read in the information about files used in making the system. 257 * Store it in the ftab linked list. 258 */ 259static void 260read_files(void) 261{ 262 FILE *fp; 263 struct file_list *tp, *pf; 264 struct device *dp; 265 struct opt *op; 266 char *wd, *this, *needs, *compilewith, *depends, *clean, *warning; 267 char fname[MAXPATHLEN]; 268 int nreqs, first = 1, configdep, isdup, std, filetype, 269 imp_rule, no_obj, needcount, before_depend, mandatory; 270 271 ftab = 0; 272 if (ident == NULL) { 273 printf("no ident line specified\n"); 274 exit(1); 275 } 276 (void) snprintf(fname, sizeof(fname), "../../conf/files"); 277openit: 278 fp = fopen(fname, "r"); 279 if (fp == 0) 280 err(1, "%s", fname); 281next: 282 /* 283 * filename [ standard | mandatory | optional | count ] 284 * [ config-dependent ] 285 * [ dev* | profiling-routine ] [ no-obj ] 286 * [ compile-with "compile rule" [no-implicit-rule] ] 287 * [ dependency "dependency-list"] [ before-depend ] 288 * [ clean "file-list"] [ warning "text warning" ] 289 */ 290 wd = get_word(fp); 291 if (wd == (char *)EOF) { 292 (void) fclose(fp); 293 if (first == 1) { 294 first++; 295 (void) snprintf(fname, sizeof(fname), 296 "../../conf/files.%s", machinename); 297 fp = fopen(fname, "r"); 298 if (fp != 0) 299 goto next; 300 (void) snprintf(fname, sizeof(fname), 301 "files.%s", machinename); 302 goto openit; 303 } 304 return; 305 } 306 if (wd == 0) 307 goto next; 308 if (wd[0] == '#') 309 { 310 while (((wd = get_word(fp)) != (char *)EOF) && wd) 311 ; 312 goto next; 313 } 314 this = ns(wd); 315 next_word(fp, wd); 316 if (wd == 0) { 317 printf("%s: No type for %s.\n", 318 fname, this); 319 exit(1); 320 } 321 if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags)) 322 isdup = ISDUP; 323 else 324 isdup = 0; 325 tp = 0; 326 nreqs = 0; 327 compilewith = 0; 328 depends = 0; 329 clean = 0; 330 warning = 0; 331 configdep = 0; 332 needs = 0; 333 std = mandatory = 0; 334 imp_rule = 0; 335 no_obj = 0; 336 needcount = 0; 337 before_depend = 0; 338 filetype = NORMAL; 339 if (eq(wd, "standard")) { 340 std = 1; 341 /* 342 * If an entry is marked "mandatory", config will abort if it's 343 * not called by a configuration line in the config file. Apart 344 * from this, the device is handled like one marked "optional". 345 */ 346 } else if (eq(wd, "mandatory")) { 347 mandatory = 1; 348 } else if (eq(wd, "count")) { 349 needcount = 1; 350 } else if (!eq(wd, "optional")) { 351 printf("%s: %s must be count, optional, mandatory or standard\n", 352 fname, this); 353 exit(1); 354 } 355nextparam: 356 next_word(fp, wd); 357 if (wd == 0) 358 goto doneparam; 359 if (eq(wd, "config-dependent")) { 360 configdep++; 361 goto nextparam; 362 } 363 if (eq(wd, "no-obj")) { 364 no_obj++; 365 goto nextparam; 366 } 367 if (eq(wd, "no-implicit-rule")) { 368 if (compilewith == 0) { 369 printf("%s: alternate rule required when " 370 "\"no-implicit-rule\" is specified.\n", 371 fname); 372 } 373 imp_rule++; 374 goto nextparam; 375 } 376 if (eq(wd, "before-depend")) { 377 before_depend++; 378 goto nextparam; 379 } 380 if (eq(wd, "dependency")) { 381 next_quoted_word(fp, wd); 382 if (wd == 0) { 383 printf("%s: %s missing compile command string.\n", 384 fname, this); 385 exit(1); 386 } 387 depends = ns(wd); 388 goto nextparam; 389 } 390 if (eq(wd, "clean")) { 391 next_quoted_word(fp, wd); 392 if (wd == 0) { 393 printf("%s: %s missing clean file list.\n", 394 fname, this); 395 exit(1); 396 } 397 clean = ns(wd); 398 goto nextparam; 399 } 400 if (eq(wd, "compile-with")) { 401 next_quoted_word(fp, wd); 402 if (wd == 0) { 403 printf("%s: %s missing compile command string.\n", 404 fname, this); 405 exit(1); 406 } 407 compilewith = ns(wd); 408 goto nextparam; 409 } 410 if (eq(wd, "warning")) { 411 next_quoted_word(fp, wd); 412 if (wd == 0) { 413 printf("%s: %s missing warning text string.\n", 414 fname, this); 415 exit(1); 416 } 417 warning = ns(wd); 418 goto nextparam; 419 } 420 nreqs++; 421 if (eq(wd, "local")) { 422 filetype = LOCAL; 423 goto nextparam; 424 } 425 if (eq(wd, "no-depend")) { 426 filetype = NODEPEND; 427 goto nextparam; 428 } 429 if (eq(wd, "profiling-routine")) { 430 filetype = PROFILING; 431 goto nextparam; 432 } 433 if (needs == 0 && nreqs == 1) 434 needs = ns(wd); 435 if (isdup) 436 goto invis; 437 for (dp = dtab; dp != 0; dp = dp->d_next) 438 if (eq(dp->d_name, wd)) { 439 if (std && dp->d_count <= 0) 440 dp->d_count = 1; 441 goto nextparam; 442 } 443 if (mandatory) { 444 printf("%s: mandatory device \"%s\" not found\n", 445 fname, wd); 446 exit(1); 447 } 448 if (std) { 449 printf("standard entry %s has a device keyword - %s!\n", 450 this, wd); 451 exit(1); 452 } 453 for (op = opt; op != 0; op = op->op_next) 454 if (op->op_value == 0 && opteq(op->op_name, wd)) { 455 if (nreqs == 1) { 456 free(needs); 457 needs = 0; 458 } 459 goto nextparam; 460 } 461invis: 462 while ((wd = get_word(fp)) != 0) 463 ; 464 if (tp == 0) 465 tp = new_fent(); 466 tp->f_fn = this; 467 tp->f_type = INVISIBLE; 468 tp->f_needs = needs; 469 tp->f_flags |= isdup; 470 if (needcount) 471 tp->f_flags |= NEED_COUNT; 472 tp->f_compilewith = compilewith; 473 tp->f_depends = depends; 474 tp->f_clean = clean; 475 tp->f_warn = warning; 476 goto next; 477 478doneparam: 479 if (std == 0 && nreqs == 0) { 480 printf("%s: what is %s optional on?\n", 481 fname, this); 482 exit(1); 483 } 484 485 if (wd) { 486 printf("%s: syntax error describing %s\n", 487 fname, this); 488 exit(1); 489 } 490 if (filetype == PROFILING && profiling == 0) 491 goto next; 492 if (tp == 0) 493 tp = new_fent(); 494 tp->f_fn = this; 495 tp->f_type = filetype; 496 tp->f_flags &= ~ISDUP; 497 if (configdep) 498 tp->f_flags |= CONFIGDEP; 499 if (imp_rule) 500 tp->f_flags |= NO_IMPLCT_RULE; 501 if (no_obj) 502 tp->f_flags |= NO_OBJ; 503 if (before_depend) 504 tp->f_flags |= BEFORE_DEPEND; 505 if (imp_rule) 506 tp->f_flags |= NO_IMPLCT_RULE; 507 if (no_obj) 508 tp->f_flags |= NO_OBJ; 509 if (needcount) 510 tp->f_flags |= NEED_COUNT; 511 tp->f_needs = needs; 512 tp->f_compilewith = compilewith; 513 tp->f_depends = depends; 514 tp->f_clean = clean; 515 tp->f_warn = warning; 516 if (pf && pf->f_type == INVISIBLE) 517 pf->f_flags |= ISDUP; /* mark as duplicate */ 518 goto next; 519} 520 521static int 522opteq(const char *cp, const char *dp) 523{ 524 char c, d; 525 526 for (; ; cp++, dp++) { 527 if (*cp != *dp) { 528 c = isupper(*cp) ? tolower(*cp) : *cp; 529 d = isupper(*dp) ? tolower(*dp) : *dp; 530 if (c != d) 531 return (0); 532 } 533 if (*cp == 0) 534 return (1); 535 } 536} 537 538static void 539do_before_depend(FILE *fp) 540{ 541 struct file_list *tp; 542 int lpos, len; 543 544 fputs("BEFORE_DEPEND=", fp); 545 lpos = 15; 546 for (tp = ftab; tp; tp = tp->f_next) 547 if (tp->f_flags & BEFORE_DEPEND) { 548 len = strlen(tp->f_fn); 549 if ((len = 3 + len) + lpos > 72) { 550 lpos = 8; 551 fputs("\\\n\t", fp); 552 } 553 if (tp->f_flags & NO_IMPLCT_RULE) 554 fprintf(fp, "%s ", tp->f_fn); 555 else 556 fprintf(fp, "$S/%s ", tp->f_fn); 557 lpos += len + 1; 558 } 559 if (lpos != 8) 560 putc('\n', fp); 561} 562 563static void 564do_objs(FILE *fp) 565{ 566 struct file_list *tp; 567 int lpos, len; 568 char *cp, och, *sp; 569 570 fprintf(fp, "OBJS="); 571 lpos = 6; 572 for (tp = ftab; tp != 0; tp = tp->f_next) { 573 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ) 574 continue; 575 sp = tail(tp->f_fn); 576 cp = sp + (len = strlen(sp)) - 1; 577 och = *cp; 578 *cp = 'o'; 579 if (len + lpos > 72) { 580 lpos = 8; 581 fprintf(fp, "\\\n\t"); 582 } 583 fprintf(fp, "%s ", sp); 584 lpos += len + 1; 585 *cp = och; 586 } 587 if (lpos != 8) 588 putc('\n', fp); 589} 590 591static void 592do_xxfiles(char *tag, FILE *fp) 593{ 594 struct file_list *tp; 595 int lpos, len, slen; 596 char *suff, *SUFF; 597 598 if (tag[strlen(tag) - 1] == '\n') 599 tag[strlen(tag) - 1] = '\0'; 600 601 suff = ns(tag + 7); 602 SUFF = ns(suff); 603 raisestr(SUFF); 604 slen = strlen(suff); 605 606 fprintf(fp, "%sFILES=", SUFF); 607 lpos = 8; 608 for (tp = ftab; tp; tp = tp->f_next) 609 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) { 610 len = strlen(tp->f_fn); 611 if (tp->f_fn[len - slen - 1] != '.') 612 continue; 613 if (strcasecmp(&tp->f_fn[len - slen], suff) != 0) 614 continue; 615 if ((len = 3 + len) + lpos > 72) { 616 lpos = 8; 617 fputs("\\\n\t", fp); 618 } 619 if (tp->f_type != LOCAL) 620 fprintf(fp, "$S/%s ", tp->f_fn); 621 else 622 fprintf(fp, "%s ", tp->f_fn); 623 lpos += len + 1; 624 } 625 if (lpos != 8) 626 putc('\n', fp); 627} 628 629static char * 630tail(char *fn) 631{ 632 char *cp; 633 634 cp = rindex(fn, '/'); 635 if (cp == 0) 636 return (fn); 637 return (cp+1); 638} 639 640/* 641 * Create the makerules for each file 642 * which is part of the system. 643 */ 644static void 645do_rules(FILE *f) 646{ 647 char *cp, *np, och, *tp; 648 struct file_list *ftp; 649 char *compilewith; 650 651 for (ftp = ftab; ftp != 0; ftp = ftp->f_next) { 652 if (ftp->f_type == INVISIBLE) 653 continue; 654 if (ftp->f_warn) 655 printf("WARNING: %s\n", ftp->f_warn); 656 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1; 657 och = *cp; 658 if (ftp->f_flags & NO_IMPLCT_RULE) { 659 if (ftp->f_depends) 660 fprintf(f, "%s: %s\n", np, ftp->f_depends); 661 else 662 fprintf(f, "%s: \n", np); 663 } 664 else { 665 *cp = '\0'; 666 if (och == 'o') { 667 fprintf(f, "%so:\n\t-cp $S/%so .\n\n", 668 tail(np), np); 669 continue; 670 } 671 if (ftp->f_depends) 672 fprintf(f, "%so: $S/%s%c %s\n", tail(np), 673 np, och, ftp->f_depends); 674 else 675 fprintf(f, "%so: $S/%s%c\n", tail(np), 676 np, och); 677 } 678 tp = tail(np); 679 compilewith = ftp->f_compilewith; 680 if (compilewith == 0) { 681 const char *ftype = NULL; 682 static char cmd[128]; 683 684 switch (ftp->f_type) { 685 686 case NORMAL: 687 ftype = "NORMAL"; 688 break; 689 690 case PROFILING: 691 if (!profiling) 692 continue; 693 ftype = "PROFILE"; 694 break; 695 696 default: 697 printf("config: don't know rules for %s\n", np); 698 break; 699 } 700 (void)snprintf(cmd, sizeof(cmd), "${%s_%c%s}", ftype, toupper(och), 701 ftp->f_flags & CONFIGDEP? "_C" : ""); 702 compilewith = cmd; 703 } 704 *cp = och; 705 fprintf(f, "\t%s\n\n", compilewith); 706 } 707} 708 709static void 710do_clean(FILE *fp) 711{ 712 struct file_list *tp; 713 int lpos, len; 714 715 fputs("CLEAN=", fp); 716 lpos = 7; 717 for (tp = ftab; tp; tp = tp->f_next) 718 if (tp->f_clean) { 719 len = strlen(tp->f_clean); 720 if (len + lpos > 72) { 721 lpos = 8; 722 fputs("\\\n\t", fp); 723 } 724 fprintf(fp, "%s ", tp->f_clean); 725 lpos += len + 1; 726 } 727 if (lpos != 8) 728 putc('\n', fp); 729} 730 731char * 732raisestr(char *str) 733{ 734 char *cp = str; 735 736 while (*str) { 737 if (islower(*str)) 738 *str = toupper(*str); 739 str++; 740 } 741 return (cp); 742} 743