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 1.13 2005/01/01 01:36:02 cpressey 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) == 0)
  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)) == 0)
 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") == 0)
 184                         do_before_depend(ofp);
 185                 else if (strcmp(line, "%OBJS\n") == 0)
 186                         do_objs(ofp);
 187                 else if (strcmp(line, "%MFILES\n") == 0)
 188                         do_mfiles(ofp);
 189                 else if (strcmp(line, "%CFILES\n") == 0)
 190                         do_cfiles(ofp);
 191                 else if (strcmp(line, "%SFILES\n") == 0)
 192                         do_sfiles(ofp);
 193                 else if (strcmp(line, "%RULES\n") == 0)
 194                         do_rules(ofp);
 195                 else if (strcmp(line, "%CLEAN\n") == 0)
 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
 222 /*
 223  * Read in the information about files used in making the system.
 224  * Store it in the ftab linked list.
 225  */
 226 static void
 227 read_files(void)
 228 {
 229         FILE *fp;
 230         struct file_list *tp, *pf;
 231         struct device *dp;
 232         struct device *save_dp;
 233         struct opt *op;
 234         char *wd, *this, *needs, *special, *depends, *clean, *warn;
 235         char fname[MAXPATHLEN];
 236         int nreqs, first = 1, configdep, isdup, std, filetype,
 237             imp_rule, no_obj, before_depend, mandatory;
 238
 239         ftab = 0;
 240         save_dp = NULL;
 241         if (ident == NULL) {
 242                 printf("no ident line specified\n");
 243                 exit(1);
 244         }
 245         snprintf(fname, sizeof(fname), "../../conf/files");
 246 openit:
 247         fp = fopen(fname, "r");
 248         if (fp == NULL)
 249                 err(1, "%s", fname);
 250 next:
 251         /*
 252          * filename    [ standard | mandatory | optional ] [ config-dependent ]
 253          *      [ dev* | profiling-routine ] [ no-obj ]
 254          *      [ compile-with "compile rule" [no-implicit-rule] ]
 255          *      [ dependency "dependency-list"] [ before-depend ]
 256          *      [ clean "file-list"] [ warning "text warning" ]
 257          */
 258         wd = get_word(fp);
 259         if (wd == (char *)EOF) {
 260                 fclose(fp);
 261                 if (first == 1) {
 262                         first++;
 263                         snprintf(fname, sizeof(fname),
 264                             "../../conf/files.%s", machinename);
 265                         fp = fopen(fname, "r");
 266                         if (fp != NULL)
 267                                 goto next;
 268                         snprintf(fname, sizeof(fname),
 269                             "files.%s", machinename);
 270                         goto openit;
 271                 }
 272                 if (first == 2) {
 273                         first++;
 274                         snprintf(fname, sizeof(fname),
 275                             "files.%s", raisestr(ident));
 276                         fp = fopen(fname, "r");
 277                         if (fp != NULL)
 278                                 goto next;
 279                 }
 280                 return;
 281         }
 282         if (wd == 0)
 283                 goto next;
 284         if (wd[0] == '#')
 285         {
 286                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 287                         ;
 288                 goto next;
 289         }
 290         this = strdup(wd);
 291         next_word(fp, wd);
 292         if (wd == 0) {
 293                 printf("%s: No type for %s.\n",
 294                     fname, this);
 295                 exit(1);
 296         }
 297         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 298                 isdup = 1;
 299         else
 300                 isdup = 0;
 301         tp = 0;
 302         if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
 303                 if (tp->f_type != INVISIBLE || tp->f_flags)
 304                         printf("%s: Local file %s overrides %s.\n",
 305                             fname, this, tp->f_fn);
 306                 else
 307                         printf("%s: Local file %s could override %s"
 308                             " with a different kernel configuration.\n",
 309                             fname, this, tp->f_fn);
 310         }
 311         nreqs = 0;
 312         special = NULL;
 313         depends = NULL;
 314         clean = NULL;
 315         warn = NULL;
 316         configdep = 0;
 317         needs = NULL;
 318         std = mandatory = 0;
 319         imp_rule = 0;
 320         no_obj = 0;
 321         before_depend = 0;
 322         filetype = NORMAL;
 323         if (strcmp(wd, "standard") == 0)
 324                 std = 1;
 325         /*
 326          * If an entry is marked "mandatory", config will abort if it's
 327          * not called by a configuration line in the config file.  Apart
 328          * from this, the device is handled like one marked "optional".
 329          */
 330         else if (strcmp(wd, "mandatory") == 0)
 331                 mandatory = 1;
 332         else if (strcmp(wd, "optional") != 0) {
 333                 printf("%s: %s must be optional, mandatory or standard\n",
 334                        fname, this);
 335                 printf("Your version of config(8) is out of sync with your kernel source.\n");
 336                 exit(1);
 337         }
 338 nextparam:
 339         next_word(fp, wd);
 340         if (wd == NULL)
 341                 goto doneparam;
 342         if (strcmp(wd, "config-dependent") == 0) {
 343                 configdep++;
 344                 goto nextparam;
 345         }
 346         if (strcmp(wd, "no-obj") == 0) {
 347                 no_obj++;
 348                 goto nextparam;
 349         }
 350         if (strcmp(wd, "no-implicit-rule") == 0) {
 351                 if (special == NULL) {
 352                         printf("%s: alternate rule required when "
 353                                "\"no-implicit-rule\" is specified.\n",
 354                                fname);
 355                 }
 356                 imp_rule++;
 357                 goto nextparam;
 358         }
 359         if (strcmp(wd, "before-depend") == 0) {
 360                 before_depend++;
 361                 goto nextparam;
 362         }
 363         if (strcmp(wd, "dependency") == 0) {
 364                 next_quoted_word(fp, wd);
 365                 if (wd == NULL) {
 366                         printf("%s: %s missing compile command string.\n",
 367                                fname, this);
 368                         exit(1);
 369                 }
 370                 depends = strdup(wd);
 371                 goto nextparam;
 372         }
 373         if (strcmp(wd, "clean") == 0) {
 374                 next_quoted_word(fp, wd);
 375                 if (wd == NULL) {
 376                         printf("%s: %s missing clean file list.\n",
 377                                fname, this);
 378                         exit(1);
 379                 }
 380                 clean = strdup(wd);
 381                 goto nextparam;
 382         }
 383         if (strcmp(wd, "compile-with") == 0) {
 384                 next_quoted_word(fp, wd);
 385                 if (wd == NULL) {
 386                         printf("%s: %s missing compile command string.\n",
 387                                fname, this);
 388                         exit(1);
 389                 }
 390                 special = strdup(wd);
 391                 goto nextparam;
 392         }
 393         if (strcmp(wd, "warning") == 0) {
 394                 next_quoted_word(fp, wd);
 395                 if (wd == NULL) {
 396                         printf("%s: %s missing warning text string.\n",
 397                                 fname, this);
 398                         exit(1);
 399                 }
 400                 warn = strdup(wd);
 401                 goto nextparam;
 402         }
 403         nreqs++;
 404         if (strcmp(wd, "local") == 0) {
 405                 filetype = LOCAL;
 406                 goto nextparam;
 407         }
 408         if (strcmp(wd, "no-depend") == 0) {
 409                 filetype = NODEPEND;
 410                 goto nextparam;
 411         }
 412         if (strcmp(wd, "device-driver") == 0) {
 413                 printf("%s: `device-driver' flag obsolete.\n", fname);
 414                 exit(1);
 415         }
 416         if (strcmp(wd, "profiling-routine") == 0) {
 417                 filetype = PROFILING;
 418                 goto nextparam;
 419         }
 420         if (needs == 0 && nreqs == 1)
 421                 needs = strdup(wd);
 422         if (isdup)
 423                 goto invis;
 424         for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
 425                 if (strcmp(dp->d_name, wd) == 0) {
 426                         if (std && dp->d_type == PSEUDO_DEVICE &&
 427                             dp->d_count <= 0)
 428                                 dp->d_count = 1;
 429                         goto nextparam;
 430                 }
 431         if (mandatory) {
 432                 printf("%s: mandatory device \"%s\" not found\n",
 433                        fname, wd);
 434                 exit(1);
 435         }
 436         if (std) {
 437                 dp = malloc(sizeof(*dp));
 438                 bzero(dp, sizeof(*dp));
 439                 init_dev(dp);
 440                 dp->d_name = strdup(wd);
 441                 dp->d_type = PSEUDO_DEVICE;
 442                 dp->d_count = 1;
 443                 save_dp->d_next = dp;
 444                 goto nextparam;
 445         }
 446         for (op = opt; op != NULL; op = op->op_next)
 447                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 448                         if (nreqs == 1) {
 449                                 free(needs);
 450                                 needs = NULL;
 451                         }
 452                         goto nextparam;
 453                 }
 454 invis:
 455         while ((wd = get_word(fp)) != 0)
 456                 ;
 457         if (tp == NULL)
 458                 tp = new_fent();
 459         tp->f_fn = this;
 460         tp->f_type = INVISIBLE;
 461         tp->f_needs = needs;
 462         tp->f_flags = isdup;
 463         tp->f_special = special;
 464         tp->f_depends = depends;
 465         tp->f_clean = clean;
 466         tp->f_warn = warn;
 467         goto next;
 468
 469 doneparam:
 470         if (std == 0 && nreqs == 0) {
 471                 printf("%s: what is %s optional on?\n",
 472                     fname, this);
 473                 exit(1);
 474         }
 475
 476         if (wd != NULL) {
 477                 printf("%s: syntax error describing %s\n",
 478                     fname, this);
 479                 exit(1);
 480         }
 481         if (filetype == PROFILING && profiling == 0)
 482                 goto next;
 483         if (tp == NULL)
 484                 tp = new_fent();
 485         tp->f_fn = this;
 486         tp->f_type = filetype;
 487         tp->f_flags = 0;
 488         if (configdep)
 489                 tp->f_flags |= CONFIGDEP;
 490         if (imp_rule)
 491                 tp->f_flags |= NO_IMPLCT_RULE;
 492         if (no_obj)
 493                 tp->f_flags |= NO_OBJ;
 494         if (before_depend)
 495                 tp->f_flags |= BEFORE_DEPEND;
 496         if (imp_rule)
 497                 tp->f_flags |= NO_IMPLCT_RULE;
 498         if (no_obj)
 499                 tp->f_flags |= NO_OBJ;
 500         tp->f_needs = needs;
 501         tp->f_special = special;
 502         tp->f_depends = depends;
 503         tp->f_clean = clean;
 504         tp->f_warn = warn;
 505         if (pf && pf->f_type == INVISIBLE)
 506                 pf->f_flags = 1;                /* mark as duplicate */
 507         goto next;
 508 }
 509
 510 static int
 511 opteq(char *cp, char *dp)
 512 {
 513         char c, d;
 514
 515         for (;; cp++, dp++) {
 516                 if (*cp != *dp) {
 517                         c = isupper(*cp) ? tolower(*cp) : *cp;
 518                         d = isupper(*dp) ? tolower(*dp) : *dp;
 519                         if (c != d)
 520                                 return(0);
 521                 }
 522                 if (*cp == 0)
 523                         return(1);
 524         }
 525 }
 526
 527 static void
 528 do_before_depend(FILE *fp)
 529 {
 530         struct file_list *tp;
 531         int lpos, len;
 532
 533         fputs("BEFORE_DEPEND=", fp);
 534         lpos = 15;
 535         for (tp = ftab; tp != NULL; tp = tp->f_next)
 536                 if (tp->f_flags & BEFORE_DEPEND) {
 537                         len = strlen(tp->f_fn);
 538                         if ((len = 3 + len) + lpos > 72) {
 539                                 lpos = 8;
 540                                 fputs("\\\n\t", fp);
 541                         }
 542                         if (tp->f_flags & NO_IMPLCT_RULE)
 543                                 fprintf(fp, "%s ", tp->f_fn);
 544                         else
 545                                 fprintf(fp, "$S/%s ", tp->f_fn);
 546                         lpos += len + 1;
 547                 }
 548         if (lpos != 8)
 549                 putc('\n', fp);
 550 }
 551
 552 static void
 553 do_objs(FILE *fp)
 554 {
 555         struct file_list *tp;
 556         int lpos, len;
 557         char *cp, och, *sp;
 558
 559         fprintf(fp, "OBJS=");
 560         lpos = 6;
 561         for (tp = ftab; tp != NULL; tp = tp->f_next) {
 562                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 563                         continue;
 564                 sp = tail(tp->f_fn);
 565                 cp = sp + (len = strlen(sp)) - 1;
 566                 och = *cp;
 567                 *cp = 'o';
 568                 if (len + lpos > 72) {
 569                         lpos = 8;
 570                         fprintf(fp, "\\\n\t");
 571                 }
 572                 fprintf(fp, "%s ", sp);
 573                 lpos += len + 1;
 574                 *cp = och;
 575         }
 576         if (lpos != 8)
 577                 putc('\n', fp);
 578 }
 579
 580 static void
 581 do_cfiles(FILE *fp)
 582 {
 583         struct file_list *tp;
 584         int lpos, len;
 585
 586         fputs("CFILES=", fp);
 587         lpos = 8;
 588         for (tp = ftab; tp != NULL; tp = tp->f_next)
 589                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 590                         len = strlen(tp->f_fn);
 591                         if (tp->f_fn[len - 1] != 'c')
 592                                 continue;
 593                         if ((len = 3 + len) + lpos > 72) {
 594                                 lpos = 8;
 595                                 fputs("\\\n\t", fp);
 596                         }
 597                         if (tp->f_type != LOCAL)
 598                                 fprintf(fp, "$S/%s ", tp->f_fn);
 599                         else
 600                                 fprintf(fp, "%s ", tp->f_fn);
 601
 602                         lpos += len + 1;
 603                 }
 604         if (lpos != 8)
 605                 putc('\n', fp);
 606 }
 607
 608 static void
 609 do_mfiles(FILE *fp)
 610 {
 611         struct file_list *tp;
 612         int lpos, len;
 613
 614         fputs("MFILES=", fp);
 615         lpos = 8;
 616         for (tp = ftab; tp != NULL; tp = tp->f_next)
 617                 if (tp->f_type != INVISIBLE) {
 618                         len = strlen(tp->f_fn);
 619                         if (tp->f_fn[len - 1] != 'm' || tp->f_fn[len - 2] != '.')
 620                                 continue;
 621                         if ((len = 3 + len) + lpos > 72) {
 622                                 lpos = 8;
 623                                 fputs("\\\n\t", fp);
 624                         }
 625                         fprintf(fp, "$S/%s ", tp->f_fn);
 626                         lpos += len + 1;
 627                 }
 628         if (lpos != 8)
 629                 putc('\n', fp);
 630 }
 631
 632 static void
 633 do_sfiles(FILE *fp)
 634 {
 635         struct file_list *tp;
 636         int lpos, len;
 637
 638         fputs("SFILES=", fp);
 639         lpos = 8;
 640         for (tp = ftab; tp != NULL; tp = tp->f_next)
 641                 if (tp->f_type != INVISIBLE) {
 642                         len = strlen(tp->f_fn);
 643                         if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
 644                                 continue;
 645                         if ((len = 3 + len) + lpos > 72) {
 646                                 lpos = 8;
 647                                 fputs("\\\n\t", fp);
 648                         }
 649                         fprintf(fp, "$S/%s ", tp->f_fn);
 650                         lpos += len + 1;
 651                 }
 652         if (lpos != 8)
 653                 putc('\n', fp);
 654 }
 655
 656
 657 static char *
 658 tail(char *fn)
 659 {
 660         char *cp;
 661
 662         cp = strrchr(fn, '/');
 663         if (cp == 0)
 664                 return(fn);
 665         return(cp + 1);
 666 }
 667
 668 /*
 669  * Create the makerules for each file
 670  * which is part of the system.
 671  * Devices are processed with the special c2 option -i
 672  * which avoids any problem areas with i/o addressing
 673  * (e.g. for the VAX); assembler files are processed by as.
 674  */
 675 static void
 676 do_rules(FILE *f)
 677 {
 678         char *cp, *np, och, *tp;
 679         struct file_list *ftp;
 680         char *special;
 681
 682         for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
 683                 if (ftp->f_type == INVISIBLE)
 684                         continue;
 685                 if (ftp->f_warn != NULL)
 686                         printf("WARNING: %s\n", ftp->f_warn);
 687                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 688                 och = *cp;
 689                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 690                         if (ftp->f_depends)
 691                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 692                         else
 693                                 fprintf(f, "%s: \n", np);
 694                 }
 695                 else {
 696                         *cp = '\0';
 697                         if (och == 'o') {
 698                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 699                                         tail(np), np);
 700                                 continue;
 701                         }
 702                         if (ftp->f_depends)
 703                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 704                                         np, och, ftp->f_depends);
 705                         else
 706                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 707                                         np, och);
 708                 }
 709                 tp = tail(np);
 710                 special = ftp->f_special;
 711                 if (special == NULL) {
 712                         char *ftype = NULL;
 713                         static char cmd[128];
 714
 715                         switch (ftp->f_type) {
 716
 717                         case NORMAL:
 718                                 ftype = "NORMAL";
 719                                 break;
 720
 721                         case PROFILING:
 722                                 if (!profiling)
 723                                         continue;
 724                                 ftype = "PROFILE";
 725                                 break;
 726
 727                         default:
 728                                 printf("config: don't know rules for %s\n", np);
 729                                 break;
 730                         }
 731                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}",
 732                             ftype, toupper(och),
 733                             ftp->f_flags & CONFIGDEP ? "_C" : "");
 734                         special = cmd;
 735                 }
 736                 *cp = och;
 737                 fprintf(f, "\t%s\n\n", special);
 738         }
 739 }
 740
 741 static void
 742 do_clean(FILE *fp)
 743 {
 744         struct file_list *tp;
 745         int lpos, len;
 746
 747         fputs("CLEAN=", fp);
 748         lpos = 7;
 749         for (tp = ftab; tp != NULL; tp = tp->f_next)
 750                 if (tp->f_clean) {
 751                         len = strlen(tp->f_clean);
 752                         if (len + lpos > 72) {
 753                                 lpos = 8;
 754                                 fputs("\\\n\t", fp);
 755                         }
 756                         fprintf(fp, "%s ", tp->f_clean);
 757                         lpos += len + 1;
 758                 }
 759         if (lpos != 8)
 760                 putc('\n', fp);
 761 }
 762
 763 char *
 764 raisestr(char *str)
 765 {
 766         char *cp = str;
 767
 768         while (*str) {
 769                 if (islower(*str))
 770                         *str = toupper(*str);
 771                 str++;
 772         }
 773         return(cp);
 774 }