usr.sbin/config/mkmakefile.c

   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  * @(#)mkmakefile.c     8.1 (Berkeley) 6/6/93
  34  * $FreeBSD: src/usr.sbin/config/mkmakefile.c,v 1.51.2.3 2001/01/23 00:09:32 peter Exp $
  35  * $DragonFly: src/usr.sbin/config/mkmakefile.c,v 1.10 2004/03/08 03:28:01 dillon Exp $
  36  */
  37
  38 /*
  39  * Build the makefile for the system, from
  40  * the information in the 'files' files and the
  41  * additional files for the machine being compiled to.
  42  */
  43
  44 #include <ctype.h>
  45 #include <err.h>
  46 #include <stdio.h>
  47 #include <string.h>
  48 #include <sys/param.h>
  49 #include "y.tab.h"
  50 #include "config.h"
  51 #include "configvers.h"
  52
  53 #define next_word(fp, wd)                                               \
  54         {                                                               \
  55                 char *word;                                             \
  56                                                                         \
  57                 word = get_word(fp);                                    \
  58                 if (word == (char *)EOF)                                \
  59                         return;                                         \
  60                 else                                                    \
  61                         wd = word;                                      \
  62         }
  63 #define next_quoted_word(fp, wd)                                        \
  64         {                                                               \
  65                 char *word;                                             \
  66                                                                         \
  67                 word = get_quoted_word(fp);                             \
  68                 if (word == (char *)EOF)                                \
  69                         return;                                         \
  70                 else                                                    \
  71                         wd = word;                                      \
  72         }
  73
  74 static struct file_list *fcur;
  75
  76 static char *tail(char *);
  77 static void do_clean(FILE *);
  78 static void do_rules(FILE *);
  79 static void do_sfiles(FILE *);
  80 static void do_mfiles(FILE *);
  81 static void do_cfiles(FILE *);
  82 static void do_objs(FILE *);
  83 static void do_before_depend(FILE *);
  84 static int opteq(char *, char *);
  85 static void read_files(void);
  86
  87 /*
  88  * Lookup a file, by name.
  89  */
  90 static struct file_list *
  91 fl_lookup(char *file)
  92 {
  93         struct file_list *fp;
  94
  95         for (fp = ftab; fp != NULL; fp = fp->f_next) {
  96                 if (!strcmp(fp->f_fn, file))
  97                         return(fp);
  98         }
  99         return(0);
 100 }
 101
 102 /*
 103  * Lookup a file, by final component name.
 104  */
 105 static struct file_list *
 106 fltail_lookup(char *file)
 107 {
 108         struct file_list *fp;
 109
 110         for (fp = ftab; fp != NULL; fp = fp->f_next) {
 111                 if (!strcmp(tail(fp->f_fn), tail(file)))
 112                         return(fp);
 113         }
 114         return(0);
 115 }
 116
 117 /*
 118  * Make a new file list entry
 119  */
 120 static struct file_list *
 121 new_fent(void)
 122 {
 123         struct file_list *fp;
 124
 125         fp = malloc(sizeof(*fp));
 126         bzero(fp, sizeof(*fp));
 127         if (fcur == NULL)
 128                 fcur = ftab = fp;
 129         else
 130                 fcur->f_next = fp;
 131         fcur = fp;
 132         return(fp);
 133 }
 134
 135 /*
 136  * Build the makefile from the skeleton
 137  */
 138 void
 139 makefile(void)
 140 {
 141         FILE *ifp, *ofp;
 142         char line[BUFSIZ];
 143         struct opt *op;
 144         int versreq;
 145
 146         read_files();
 147         snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
 148         ifp = fopen(line, "r");
 149         if (ifp == NULL) {
 150                 snprintf(line, sizeof(line), "Makefile.%s", machinename);
 151                 ifp = fopen(line, "r");
 152         }
 153         if (ifp == NULL)
 154                 err(1, "%s", line);
 155         ofp = fopen(path("Makefile.new"), "w");
 156         if (ofp == NULL)
 157                 err(1, "%s", path("Makefile.new"));
 158         fprintf(ofp, "KERN_IDENT=%s\n", raisestr(ident));
 159         fprintf(ofp, "IDENT=");
 160         if (profiling)
 161                 fprintf(ofp, " -DGPROF");
 162
 163         if (cputype == 0) {
 164                 printf("cpu type must be specified\n");
 165                 exit(1);
 166         }
 167         fprintf(ofp, "\n");
 168         for (op = mkopt; op != NULL; op = op->op_next)
 169                 fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
 170         if (debugging)
 171                 fprintf(ofp, "DEBUG=-g\n");
 172         if (profiling) {
 173                 fprintf(ofp, "PROF=-pg\n");
 174                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 175         }
 176         if (*srcdir != '\0')
 177                 fprintf(ofp,"S=%s\n", srcdir);
 178         while (fgets(line, BUFSIZ, ifp) != 0) {
 179                 if (*line != '%') {
 180                         fprintf(ofp, "%s", line);
 181                         continue;
 182                 }
 183                 if (!strcmp(line, "%BEFORE_DEPEND\n"))
 184                         do_before_depend(ofp);
 185                 else if (!strcmp(line, "%OBJS\n"))
 186                         do_objs(ofp);
 187                 else if (!strcmp(line, "%MFILES\n"))
 188                         do_mfiles(ofp);
 189                 else if (!strcmp(line, "%CFILES\n"))
 190                         do_cfiles(ofp);
 191                 else if (!strcmp(line, "%SFILES\n"))
 192                         do_sfiles(ofp);
 193                 else if (!strcmp(line, "%RULES\n"))
 194                         do_rules(ofp);
 195                 else if (!strcmp(line, "%CLEAN\n"))
 196                         do_clean(ofp);
 197                 else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
 198                         versreq = atoi(line + sizeof("%VERSREQ=") - 1);
 199                         if (versreq != CONFIGVERS) {
 200                                 fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n");
 201                                 fprintf(stderr, "config version = %d, ", CONFIGVERS);
 202                                 fprintf(stderr, "version required = %d\n\n", versreq);
 203                                 fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
 204                                 fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
 205                                 fprintf(stderr, "before trying this again.\n\n");
 206                                 fprintf(stderr, "If running the new config fails check your config\n");
 207                                 fprintf(stderr, "file against the GENERIC or LINT config files for\n");
 208                                 fprintf(stderr, "changes in config syntax, or option/device naming\n");
 209                                 fprintf(stderr, "conventions\n\n");
 210                                 exit(1);
 211                         }
 212                 } else
 213                         fprintf(stderr,
 214                             "Unknown %% construct in generic makefile: %s",
 215                             line);
 216         }
 217         fclose(ifp);
 218         fclose(ofp);
 219         moveifchanged(path("Makefile.new"), path("Makefile"));
 220
 221         printf("Don't forget to do a ``make depend''\n");
 222 }
 223
 224 /*
 225  * Read in the information about files used in making the system.
 226  * Store it in the ftab linked list.
 227  */
 228 static void
 229 read_files(void)
 230 {
 231         FILE *fp;
 232         struct file_list *tp, *pf;
 233         struct device *dp;
 234         struct device *save_dp;
 235         struct opt *op;
 236         char *wd, *this, *needs, *special, *depends, *clean, *warn;
 237         char fname[MAXPATHLEN];
 238         int nreqs, first = 1, configdep, isdup, std, filetype,
 239             imp_rule, no_obj, before_depend, mandatory;
 240
 241         ftab = 0;
 242         save_dp = NULL;
 243         if (ident == NULL) {
 244                 printf("no ident line specified\n");
 245                 exit(1);
 246         }
 247         snprintf(fname, sizeof(fname), "../../conf/files");
 248 openit:
 249         fp = fopen(fname, "r");
 250         if (fp == NULL)
 251                 err(1, "%s", fname);
 252 next:
 253         /*
 254          * filename    [ standard | mandatory | optional ] [ config-dependent ]
 255          *      [ dev* | profiling-routine ] [ no-obj ]
 256          *      [ compile-with "compile rule" [no-implicit-rule] ]
 257          *      [ dependency "dependency-list"] [ before-depend ]
 258          *      [ clean "file-list"] [ warning "text warning" ]
 259          */
 260         wd = get_word(fp);
 261         if (wd == (char *)EOF) {
 262                 fclose(fp);
 263                 if (first == 1) {
 264                         first++;
 265                         snprintf(fname, sizeof(fname),
 266                             "../../conf/files.%s", machinename);
 267                         fp = fopen(fname, "r");
 268                         if (fp != NULL)
 269                                 goto next;
 270                         snprintf(fname, sizeof(fname),
 271                             "files.%s", machinename);
 272                         goto openit;
 273                 }
 274                 if (first == 2) {
 275                         first++;
 276                         snprintf(fname, sizeof(fname),
 277                             "files.%s", raisestr(ident));
 278                         fp = fopen(fname, "r");
 279                         if (fp != NULL)
 280                                 goto next;
 281                 }
 282                 return;
 283         }
 284         if (wd == 0)
 285                 goto next;
 286         if (wd[0] == '#')
 287         {
 288                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 289                         ;
 290                 goto next;
 291         }
 292         this = strdup(wd);
 293         next_word(fp, wd);
 294         if (wd == 0) {
 295                 printf("%s: No type for %s.\n",
 296                     fname, this);
 297                 exit(1);
 298         }
 299         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 300                 isdup = 1;
 301         else
 302                 isdup = 0;
 303         tp = 0;
 304         if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
 305                 if (tp->f_type != INVISIBLE || tp->f_flags)
 306                         printf("%s: Local file %s overrides %s.\n",
 307                             fname, this, tp->f_fn);
 308                 else
 309                         printf("%s: Local file %s could override %s"
 310                             " with a different kernel configuration.\n",
 311                             fname, this, tp->f_fn);
 312         }
 313         nreqs = 0;
 314         special = NULL;
 315         depends = NULL;
 316         clean = NULL;
 317         warn = NULL;
 318         configdep = 0;
 319         needs = NULL;
 320         std = mandatory = 0;
 321         imp_rule = 0;
 322         no_obj = 0;
 323         before_depend = 0;
 324         filetype = NORMAL;
 325         if (!strcmp(wd, "standard"))
 326                 std = 1;
 327         /*
 328          * If an entry is marked "mandatory", config will abort if it's
 329          * not called by a configuration line in the config file.  Apart
 330          * from this, the device is handled like one marked "optional".
 331          */
 332         else if (!strcmp(wd, "mandatory"))
 333                 mandatory = 1;
 334         else if (strcmp(wd, "optional")) {
 335                 printf("%s: %s must be optional, mandatory or standard\n",
 336                        fname, this);
 337                 printf("Your version of config(8) is out of sync with your kernel source.\n");
 338                 exit(1);
 339         }
 340 nextparam:
 341         next_word(fp, wd);
 342         if (wd == NULL)
 343                 goto doneparam;
 344         if (!strcmp(wd, "config-dependent")) {
 345                 configdep++;
 346                 goto nextparam;
 347         }
 348         if (!strcmp(wd, "no-obj")) {
 349                 no_obj++;
 350                 goto nextparam;
 351         }
 352         if (!strcmp(wd, "no-implicit-rule")) {
 353                 if (special == NULL) {
 354                         printf("%s: alternate rule required when "
 355                                "\"no-implicit-rule\" is specified.\n",
 356                                fname);
 357                 }
 358                 imp_rule++;
 359                 goto nextparam;
 360         }
 361         if (!strcmp(wd, "before-depend")) {
 362                 before_depend++;
 363                 goto nextparam;
 364         }
 365         if (!strcmp(wd, "dependency")) {
 366                 next_quoted_word(fp, wd);
 367                 if (wd == NULL) {
 368                         printf("%s: %s missing compile command string.\n",
 369                                fname, this);
 370                         exit(1);
 371                 }
 372                 depends = strdup(wd);
 373                 goto nextparam;
 374         }
 375         if (!strcmp(wd, "clean")) {
 376                 next_quoted_word(fp, wd);
 377                 if (wd == NULL) {
 378                         printf("%s: %s missing clean file list.\n",
 379                                fname, this);
 380                         exit(1);
 381                 }
 382                 clean = strdup(wd);
 383                 goto nextparam;
 384         }
 385         if (!strcmp(wd, "compile-with")) {
 386                 next_quoted_word(fp, wd);
 387                 if (wd == NULL) {
 388                         printf("%s: %s missing compile command string.\n",
 389                                fname, this);
 390                         exit(1);
 391                 }
 392                 special = strdup(wd);
 393                 goto nextparam;
 394         }
 395         if (!strcmp(wd, "warning")) {
 396                 next_quoted_word(fp, wd);
 397                 if (wd == NULL) {
 398                         printf("%s: %s missing warning text string.\n",
 399                                 fname, this);
 400                         exit(1);
 401                 }
 402                 warn = strdup(wd);
 403                 goto nextparam;
 404         }
 405         nreqs++;
 406         if (!strcmp(wd, "local")) {
 407                 filetype = LOCAL;
 408                 goto nextparam;
 409         }
 410         if (!strcmp(wd, "no-depend")) {
 411                 filetype = NODEPEND;
 412                 goto nextparam;
 413         }
 414         if (!strcmp(wd, "device-driver")) {
 415                 printf("%s: `device-driver' flag obsolete.\n", fname);
 416                 exit(1);
 417         }
 418         if (!strcmp(wd, "profiling-routine")) {
 419                 filetype = PROFILING;
 420                 goto nextparam;
 421         }
 422         if (needs == 0 && nreqs == 1)
 423                 needs = strdup(wd);
 424         if (isdup)
 425                 goto invis;
 426         for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
 427                 if (!strcmp(dp->d_name, wd)) {
 428                         if (std && dp->d_type == PSEUDO_DEVICE &&
 429                             dp->d_count <= 0)
 430                                 dp->d_count = 1;
 431                         goto nextparam;
 432                 }
 433         if (mandatory) {
 434                 printf("%s: mandatory device \"%s\" not found\n",
 435                        fname, wd);
 436                 exit(1);
 437         }
 438         if (std) {
 439                 dp = malloc(sizeof(*dp));
 440                 bzero(dp, sizeof(*dp));
 441                 init_dev(dp);
 442                 dp->d_name = strdup(wd);
 443                 dp->d_type = PSEUDO_DEVICE;
 444                 dp->d_count = 1;
 445                 save_dp->d_next = dp;
 446                 goto nextparam;
 447         }
 448         for (op = opt; op != NULL; op = op->op_next)
 449                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 450                         if (nreqs == 1) {
 451                                 free(needs);
 452                                 needs = NULL;
 453                         }
 454                         goto nextparam;
 455                 }
 456 invis:
 457         while ((wd = get_word(fp)) != 0)
 458                 ;
 459         if (tp == NULL)
 460                 tp = new_fent();
 461         tp->f_fn = this;
 462         tp->f_type = INVISIBLE;
 463         tp->f_needs = needs;
 464         tp->f_flags = isdup;
 465         tp->f_special = special;
 466         tp->f_depends = depends;
 467         tp->f_clean = clean;
 468         tp->f_warn = warn;
 469         goto next;
 470
 471 doneparam:
 472         if (std == 0 && nreqs == 0) {
 473                 printf("%s: what is %s optional on?\n",
 474                     fname, this);
 475                 exit(1);
 476         }
 477
 478         if (wd != NULL) {
 479                 printf("%s: syntax error describing %s\n",
 480                     fname, this);
 481                 exit(1);
 482         }
 483         if (filetype == PROFILING && profiling == 0)
 484                 goto next;
 485         if (tp == NULL)
 486                 tp = new_fent();
 487         tp->f_fn = this;
 488         tp->f_type = filetype;
 489         tp->f_flags = 0;
 490         if (configdep)
 491                 tp->f_flags |= CONFIGDEP;
 492         if (imp_rule)
 493                 tp->f_flags |= NO_IMPLCT_RULE;
 494         if (no_obj)
 495                 tp->f_flags |= NO_OBJ;
 496         if (before_depend)
 497                 tp->f_flags |= BEFORE_DEPEND;
 498         if (imp_rule)
 499                 tp->f_flags |= NO_IMPLCT_RULE;
 500         if (no_obj)
 501                 tp->f_flags |= NO_OBJ;
 502         tp->f_needs = needs;
 503         tp->f_special = special;
 504         tp->f_depends = depends;
 505         tp->f_clean = clean;
 506         tp->f_warn = warn;
 507         if (pf && pf->f_type == INVISIBLE)
 508                 pf->f_flags = 1;                /* mark as duplicate */
 509         goto next;
 510 }
 511
 512 static int
 513 opteq(char *cp, char *dp)
 514 {
 515         char c, d;
 516
 517         for (;; cp++, dp++) {
 518                 if (*cp != *dp) {
 519                         c = isupper(*cp) ? tolower(*cp) : *cp;
 520                         d = isupper(*dp) ? tolower(*dp) : *dp;
 521                         if (c != d)
 522                                 return(0);
 523                 }
 524                 if (*cp == 0)
 525                         return(1);
 526         }
 527 }
 528
 529 static void
 530 do_before_depend(FILE *fp)
 531 {
 532         struct file_list *tp;
 533         int lpos, len;
 534
 535         fputs("BEFORE_DEPEND=", fp);
 536         lpos = 15;
 537         for (tp = ftab; tp != NULL; tp = tp->f_next)
 538                 if (tp->f_flags & BEFORE_DEPEND) {
 539                         len = strlen(tp->f_fn);
 540                         if ((len = 3 + len) + lpos > 72) {
 541                                 lpos = 8;
 542                                 fputs("\\\n\t", fp);
 543                         }
 544                         if (tp->f_flags & NO_IMPLCT_RULE)
 545                                 fprintf(fp, "%s ", tp->f_fn);
 546                         else
 547                                 fprintf(fp, "$S/%s ", tp->f_fn);
 548                         lpos += len + 1;
 549                 }
 550         if (lpos != 8)
 551                 putc('\n', fp);
 552 }
 553
 554 static void
 555 do_objs(FILE *fp)
 556 {
 557         struct file_list *tp;
 558         int lpos, len;
 559         char *cp, och, *sp;
 560
 561         fprintf(fp, "OBJS=");
 562         lpos = 6;
 563         for (tp = ftab; tp != NULL; tp = tp->f_next) {
 564                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 565                         continue;
 566                 sp = tail(tp->f_fn);
 567                 cp = sp + (len = strlen(sp)) - 1;
 568                 och = *cp;
 569                 *cp = 'o';
 570                 if (len + lpos > 72) {
 571                         lpos = 8;
 572                         fprintf(fp, "\\\n\t");
 573                 }
 574                 fprintf(fp, "%s ", sp);
 575                 lpos += len + 1;
 576                 *cp = och;
 577         }
 578         if (lpos != 8)
 579                 putc('\n', fp);
 580 }
 581
 582 static void
 583 do_cfiles(FILE *fp)
 584 {
 585         struct file_list *tp;
 586         int lpos, len;
 587
 588         fputs("CFILES=", fp);
 589         lpos = 8;
 590         for (tp = ftab; tp != NULL; tp = tp->f_next)
 591                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 592                         len = strlen(tp->f_fn);
 593                         if (tp->f_fn[len - 1] != 'c')
 594                                 continue;
 595                         if ((len = 3 + len) + lpos > 72) {
 596                                 lpos = 8;
 597                                 fputs("\\\n\t", fp);
 598                         }
 599                         if (tp->f_type != LOCAL)
 600                                 fprintf(fp, "$S/%s ", tp->f_fn);
 601                         else
 602                                 fprintf(fp, "%s ", tp->f_fn);
 603
 604                         lpos += len + 1;
 605                 }
 606         if (lpos != 8)
 607                 putc('\n', fp);
 608 }
 609
 610 static void
 611 do_mfiles(FILE *fp)
 612 {
 613         struct file_list *tp;
 614         int lpos, len;
 615
 616         fputs("MFILES=", fp);
 617         lpos = 8;
 618         for (tp = ftab; tp != NULL; tp = tp->f_next)
 619                 if (tp->f_type != INVISIBLE) {
 620                         len = strlen(tp->f_fn);
 621                         if (tp->f_fn[len - 1] != 'm' || tp->f_fn[len - 2] != '.')
 622                                 continue;
 623                         if ((len = 3 + len) + lpos > 72) {
 624                                 lpos = 8;
 625                                 fputs("\\\n\t", fp);
 626                         }
 627                         fprintf(fp, "$S/%s ", tp->f_fn);
 628                         lpos += len + 1;
 629                 }
 630         if (lpos != 8)
 631                 putc('\n', fp);
 632 }
 633
 634 static void
 635 do_sfiles(FILE *fp)
 636 {
 637         struct file_list *tp;
 638         int lpos, len;
 639
 640         fputs("SFILES=", fp);
 641         lpos = 8;
 642         for (tp = ftab; tp != NULL; tp = tp->f_next)
 643                 if (tp->f_type != INVISIBLE) {
 644                         len = strlen(tp->f_fn);
 645                         if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
 646                                 continue;
 647                         if ((len = 3 + len) + lpos > 72) {
 648                                 lpos = 8;
 649                                 fputs("\\\n\t", fp);
 650                         }
 651                         fprintf(fp, "$S/%s ", tp->f_fn);
 652                         lpos += len + 1;
 653                 }
 654         if (lpos != 8)
 655                 putc('\n', fp);
 656 }
 657
 658
 659 static char *
 660 tail(char *fn)
 661 {
 662         char *cp;
 663
 664         cp = rindex(fn, '/');
 665         if (cp == 0)
 666                 return(fn);
 667         return(cp + 1);
 668 }
 669
 670 /*
 671  * Create the makerules for each file
 672  * which is part of the system.
 673  * Devices are processed with the special c2 option -i
 674  * which avoids any problem areas with i/o addressing
 675  * (e.g. for the VAX); assembler files are processed by as.
 676  */
 677 static void
 678 do_rules(FILE *f)
 679 {
 680         char *cp, *np, och, *tp;
 681         struct file_list *ftp;
 682         char *special;
 683
 684         for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
 685                 if (ftp->f_type == INVISIBLE)
 686                         continue;
 687                 if (ftp->f_warn != NULL)
 688                         printf("WARNING: %s\n", ftp->f_warn);
 689                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 690                 och = *cp;
 691                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 692                         if (ftp->f_depends)
 693                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 694                         else
 695                                 fprintf(f, "%s: \n", np);
 696                 }
 697                 else {
 698                         *cp = '\0';
 699                         if (och == 'o') {
 700                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 701                                         tail(np), np);
 702                                 continue;
 703                         }
 704                         if (ftp->f_depends)
 705                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 706                                         np, och, ftp->f_depends);
 707                         else
 708                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 709                                         np, och);
 710                 }
 711                 tp = tail(np);
 712                 special = ftp->f_special;
 713                 if (special == NULL) {
 714                         char *ftype = NULL;
 715                         static char cmd[128];
 716
 717                         switch (ftp->f_type) {
 718
 719                         case NORMAL:
 720                                 ftype = "NORMAL";
 721                                 break;
 722
 723                         case PROFILING:
 724                                 if (!profiling)
 725                                         continue;
 726                                 ftype = "PROFILE";
 727                                 break;
 728
 729                         default:
 730                                 printf("config: don't know rules for %s\n", np);
 731                                 break;
 732                         }
 733                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}",
 734                             ftype, toupper(och),
 735                             ftp->f_flags & CONFIGDEP ? "_C" : "");
 736                         special = cmd;
 737                 }
 738                 *cp = och;
 739                 fprintf(f, "\t%s\n\n", special);
 740         }
 741 }
 742
 743 static void
 744 do_clean(FILE *fp)
 745 {
 746         struct file_list *tp;
 747         int lpos, len;
 748
 749         fputs("CLEAN=", fp);
 750         lpos = 7;
 751         for (tp = ftab; tp != NULL; tp = tp->f_next)
 752                 if (tp->f_clean) {
 753                         len = strlen(tp->f_clean);
 754                         if (len + lpos > 72) {
 755                                 lpos = 8;
 756                                 fputs("\\\n\t", fp);
 757                         }
 758                         fprintf(fp, "%s ", tp->f_clean);
 759                         lpos += len + 1;
 760                 }
 761         if (lpos != 8)
 762                 putc('\n', fp);
 763 }
 764
 765 char *
 766 raisestr(char *str)
 767 {
 768         char *cp = str;
 769
 770         while (*str) {
 771                 if (islower(*str))
 772                         *str = toupper(*str);
 773                 str++;
 774         }
 775         return(cp);
 776 }