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  */
  36
  37 /*
  38  * Build the makefile for the system, from
  39  * the information in the 'files' files and the
  40  * additional files for the machine being compiled to.
  41  */
  42
  43 #include <ctype.h>
  44 #include <err.h>
  45 #include <stdio.h>
  46 #include <string.h>
  47 #include <sys/param.h>
  48 #include "y.tab.h"
  49 #include "config.h"
  50 #include "configvers.h"
  51
  52 #define next_word(fp, wd)                                               \
  53         {                                                               \
  54                 char *word;                                             \
  55                                                                         \
  56                 word = get_word(fp);                                    \
  57                 if (word == (char *)EOF)                                \
  58                         return;                                         \
  59                 else                                                    \
  60                         wd = word;                                      \
  61         }
  62 #define next_quoted_word(fp, wd)                                        \
  63         {                                                               \
  64                 char *word;                                             \
  65                                                                         \
  66                 word = get_quoted_word(fp);                             \
  67                 if (word == (char *)EOF)                                \
  68                         return;                                         \
  69                 else                                                    \
  70                         wd = word;                                      \
  71         }
  72
  73 static struct file_list *fcur;
  74
  75 static char *tail(char *);
  76 static void do_clean(FILE *);
  77 static void do_rules(FILE *);
  78 static void do_sfiles(FILE *);
  79 static void do_mfiles(FILE *);
  80 static void do_cfiles(FILE *);
  81 static void do_objs(FILE *);
  82 static void do_before_depend(FILE *);
  83 static int opteq(char *, char *);
  84 static void read_files(void);
  85
  86 /*
  87  * Lookup a file, by name.
  88  */
  89 static struct file_list *
  90 fl_lookup(char *file)
  91 {
  92         struct file_list *fp;
  93
  94         for (fp = ftab; fp != NULL; fp = fp->f_next) {
  95                 if (strcmp(fp->f_fn, file) == 0)
  96                         return(fp);
  97         }
  98         return(0);
  99 }
 100
 101 /*
 102  * Lookup a file, by final component name.
 103  */
 104 static struct file_list *
 105 fltail_lookup(char *file)
 106 {
 107         struct file_list *fp;
 108
 109         for (fp = ftab; fp != NULL; fp = fp->f_next) {
 110                 if (strcmp(tail(fp->f_fn), tail(file)) == 0)
 111                         return(fp);
 112         }
 113         return(0);
 114 }
 115
 116 /*
 117  * Make a new file list entry
 118  */
 119 static struct file_list *
 120 new_fent(void)
 121 {
 122         struct file_list *fp;
 123
 124         fp = malloc(sizeof(*fp));
 125         bzero(fp, sizeof(*fp));
 126         if (fcur == NULL)
 127                 fcur = ftab = fp;
 128         else
 129                 fcur->f_next = fp;
 130         fcur = fp;
 131         return(fp);
 132 }
 133
 134 /*
 135  * Build the makefile from the skeleton
 136  */
 137 void
 138 makefile(void)
 139 {
 140         FILE *ifp, *ofp;
 141         char line[BUFSIZ];
 142         struct opt *op;
 143         int versreq;
 144
 145         read_files();
 146         snprintf(line, sizeof(line), "../platform/%s/conf/Makefile",
 147                  platformname);
 148         ifp = fopen(line, "r");
 149         if (ifp == NULL) {
 150                 snprintf(line, sizeof(line), "Makefile.%s", platformname);
 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, "MACHINE_PLATFORM=%s\n", platformname);
 160         fprintf(ofp, "MACHINE=%s\n", machinename);
 161         fprintf(ofp, "MACHINE_ARCH=%s\n", machinearchname);
 162         fprintf(ofp, ".makeenv MACHINE_PLATFORM\n");
 163         fprintf(ofp, ".makeenv MACHINE\n");
 164         fprintf(ofp, ".makeenv MACHINE_ARCH\n");
 165         fprintf(ofp, "IDENT=");
 166         if (profiling) {
 167                 /* Don't compile kernel profiling code for vkernel */
 168                 if (strncmp(platformname, "vkernel", 6) != 0)
 169                         fprintf(ofp, " -DGPROF");
 170         }
 171
 172         if (cputype == 0) {
 173                 printf("cpu type must be specified\n");
 174                 exit(1);
 175         }
 176         fprintf(ofp, "\n");
 177         for (op = mkopt; op != NULL; op = op->op_next)
 178                 fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
 179         if (debugging)
 180                 fprintf(ofp, "DEBUG=-g\n");
 181         if (profiling) {
 182                 fprintf(ofp, "PROF=-pg\n");
 183                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 184         }
 185         if (*srcdir != '\0')
 186                 fprintf(ofp,"S=%s\n", srcdir);
 187         while (fgets(line, BUFSIZ, ifp) != 0) {
 188                 if (*line != '%') {
 189                         fprintf(ofp, "%s", line);
 190                         continue;
 191                 }
 192                 if (strcmp(line, "%BEFORE_DEPEND\n") == 0)
 193                         do_before_depend(ofp);
 194                 else if (strcmp(line, "%OBJS\n") == 0)
 195                         do_objs(ofp);
 196                 else if (strcmp(line, "%MFILES\n") == 0)
 197                         do_mfiles(ofp);
 198                 else if (strcmp(line, "%CFILES\n") == 0)
 199                         do_cfiles(ofp);
 200                 else if (strcmp(line, "%SFILES\n") == 0)
 201                         do_sfiles(ofp);
 202                 else if (strcmp(line, "%RULES\n") == 0)
 203                         do_rules(ofp);
 204                 else if (strcmp(line, "%CLEAN\n") == 0)
 205                         do_clean(ofp);
 206                 else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
 207                         versreq = atoi(line + sizeof("%VERSREQ=") - 1);
 208                         if (versreq != CONFIGVERS) {
 209                                 fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n");
 210                                 fprintf(stderr, "config version = %d, ", CONFIGVERS);
 211                                 fprintf(stderr, "version required = %d\n\n", versreq);
 212                                 fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
 213                                 fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
 214                                 fprintf(stderr, "before trying this again.\n\n");
 215                                 fprintf(stderr, "If running the new config fails check your config\n");
 216                                 fprintf(stderr, "file against the GENERIC or LINT config files for\n");
 217                                 fprintf(stderr, "changes in config syntax, or option/device naming\n");
 218                                 fprintf(stderr, "conventions\n\n");
 219                                 exit(1);
 220                         }
 221                 } else
 222                         fprintf(stderr,
 223                             "Unknown %% construct in generic makefile: %s",
 224                             line);
 225         }
 226         fclose(ifp);
 227         fclose(ofp);
 228         moveifchanged(path("Makefile.new"), path("Makefile"));
 229 }
 230
 231 /*
 232  * Read in the information about files used in making the system.
 233  * Store it in the ftab linked list.
 234  */
 235 static void
 236 read_files(void)
 237 {
 238         FILE *fp;
 239         struct file_list *tp, *pf;
 240         struct device *dp;
 241         struct device *save_dp;
 242         struct opt *op;
 243         char *wd, *this, *needs, *special, *depends, *clean, *warning;
 244         char fname[MAXPATHLEN];
 245         int nonoptional;
 246         int nreqs, first = 1, configdep, isdup, std, filetype,
 247             imp_rule, no_obj, before_depend, nowerror, mandatory;
 248
 249         ftab = 0;
 250         save_dp = NULL;
 251         if (ident == NULL) {
 252                 printf("no ident line specified\n");
 253                 exit(1);
 254         }
 255         snprintf(fname, sizeof(fname), "../conf/files");
 256 openit:
 257         fp = fopen(fname, "r");
 258         if (fp == NULL)
 259                 err(1, "%s", fname);
 260 next:
 261         /*
 262          * filename    [ standard | mandatory | optional ] [ config-dependent ]
 263          *      [ dev* | profiling-routine ] [ no-obj ]
 264          *      [ compile-with "compile rule" [no-implicit-rule] ]
 265          *      [ dependency "dependency-list"] [ before-depend ]
 266          *      [ clean "file-list"] [ warning "text warning" ]
 267          */
 268         wd = get_word(fp);
 269         if (wd == (char *)EOF) {
 270                 fclose(fp);
 271                 if (first == 1) {
 272                         first++;
 273                         snprintf(fname, sizeof(fname),
 274                             "../platform/%s/conf/files",
 275                             platformname);
 276                         fp = fopen(fname, "r");
 277                         if (fp != NULL)
 278                                 goto next;
 279                         snprintf(fname, sizeof(fname),
 280                             "files.%s", platformname);
 281                         goto openit;
 282                 }
 283                 if (first == 2) {
 284                         first++;
 285                         snprintf(fname, sizeof(fname),
 286                             "files.%s", raisestr(ident));
 287                         fp = fopen(fname, "r");
 288                         if (fp != NULL)
 289                                 goto next;
 290                 }
 291                 return;
 292         }
 293         if (wd == NULL)
 294                 goto next;
 295         if (wd[0] == '#')
 296         {
 297                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 298                         ;
 299                 goto next;
 300         }
 301         this = strdup(wd);
 302         next_word(fp, wd);
 303         if (wd == NULL) {
 304                 printf("%s: No type for %s.\n",
 305                     fname, this);
 306                 exit(1);
 307         }
 308         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 309                 isdup = 1;
 310         else
 311                 isdup = 0;
 312         tp = NULL;
 313         if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
 314                 if (tp->f_type != INVISIBLE || tp->f_flags)
 315                         printf("%s: Local file %s overrides %s.\n",
 316                             fname, this, tp->f_fn);
 317                 else
 318                         printf("%s: Local file %s could override %s"
 319                             " with a different kernel configuration.\n",
 320                             fname, this, tp->f_fn);
 321         }
 322         nreqs = 0;
 323         special = NULL;
 324         depends = NULL;
 325         clean = NULL;
 326         warning = NULL;
 327         configdep = 0;
 328         needs = NULL;
 329         std = mandatory = nonoptional = 0;
 330         imp_rule = 0;
 331         no_obj = 0;
 332         before_depend = 0;
 333         nowerror = 0;
 334         filetype = NORMAL;
 335         if (strcmp(wd, "standard") == 0) {
 336                 std = 1;
 337         } else if (strcmp(wd, "mandatory") == 0) {
 338                 /*
 339                  * If an entry is marked "mandatory", config will abort if
 340                  * it's not called by a configuration line in the config
 341                  * file.  Apart from this, the device is handled like one
 342                  * marked "optional".
 343                  */
 344                 mandatory = 1;
 345         } else if (strcmp(wd, "nonoptional") == 0) {
 346                 nonoptional = 1;
 347         } else if (strcmp(wd, "optional") == 0) {
 348                 /* don't need to do anything */
 349         } else {
 350                 printf("%s: %s must be optional, mandatory or standard\n",
 351                        fname, this);
 352                 printf("Alternatively, your version of config(8) may be out of sync with your\nkernel source.\n");
 353                 exit(1);
 354         }
 355 nextparam:
 356         next_word(fp, wd);
 357         if (wd == NULL)
 358                 goto doneparam;
 359         if (strcmp(wd, "config-dependent") == 0) {
 360                 configdep++;
 361                 goto nextparam;
 362         }
 363         if (strcmp(wd, "no-obj") == 0) {
 364                 no_obj++;
 365                 goto nextparam;
 366         }
 367         if (strcmp(wd, "no-implicit-rule") == 0) {
 368                 if (special == NULL) {
 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 (strcmp(wd, "before-depend") == 0) {
 377                 before_depend++;
 378                 goto nextparam;
 379         }
 380         if (strcmp(wd, "dependency") == 0) {
 381                 next_quoted_word(fp, wd);
 382                 if (wd == NULL) {
 383                         printf("%s: %s missing compile command string.\n",
 384                                fname, this);
 385                         exit(1);
 386                 }
 387                 depends = strdup(wd);
 388                 goto nextparam;
 389         }
 390         if (strcmp(wd, "clean") == 0) {
 391                 next_quoted_word(fp, wd);
 392                 if (wd == NULL) {
 393                         printf("%s: %s missing clean file list.\n",
 394                                fname, this);
 395                         exit(1);
 396                 }
 397                 clean = strdup(wd);
 398                 goto nextparam;
 399         }
 400         if (strcmp(wd, "compile-with") == 0) {
 401                 next_quoted_word(fp, wd);
 402                 if (wd == NULL) {
 403                         printf("%s: %s missing compile command string.\n",
 404                                fname, this);
 405                         exit(1);
 406                 }
 407                 special = strdup(wd);
 408                 goto nextparam;
 409         }
 410         if (strcmp(wd, "nowerror") == 0) {
 411                 nowerror++;
 412                 goto nextparam;
 413         }
 414         if (strcmp(wd, "warning") == 0) {
 415                 next_quoted_word(fp, wd);
 416                 if (wd == NULL) {
 417                         printf("%s: %s missing warning text string.\n",
 418                                 fname, this);
 419                         exit(1);
 420                 }
 421                 warning = strdup(wd);
 422                 goto nextparam;
 423         }
 424         nreqs++;
 425         if (strcmp(wd, "local") == 0) {
 426                 filetype = LOCAL;
 427                 goto nextparam;
 428         }
 429         if (strcmp(wd, "no-depend") == 0) {
 430                 filetype = NODEPEND;
 431                 goto nextparam;
 432         }
 433         if (strcmp(wd, "device-driver") == 0) {
 434                 printf("%s: `device-driver' flag obsolete.\n", fname);
 435                 exit(1);
 436         }
 437         if (strcmp(wd, "profiling-routine") == 0) {
 438                 filetype = PROFILING;
 439                 goto nextparam;
 440         }
 441         if (needs == NULL && nreqs == 1)
 442                 needs = strdup(wd);
 443         if (isdup)
 444                 goto invis;
 445         for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
 446                 if (strcmp(dp->d_name, wd) == 0) {
 447                         if (std && dp->d_type == PSEUDO_DEVICE &&
 448                             dp->d_count <= 0)
 449                                 dp->d_count = 1;
 450                         goto nextparam;
 451                 }
 452         if (mandatory) {
 453                 printf("%s: mandatory device \"%s\" not found\n",
 454                        fname, wd);
 455                 exit(1);
 456         }
 457         if (std) {
 458                 dp = malloc(sizeof(*dp));
 459                 bzero(dp, sizeof(*dp));
 460                 init_dev(dp);
 461                 dp->d_name = strdup(wd);
 462                 dp->d_type = PSEUDO_DEVICE;
 463                 dp->d_count = 1;
 464                 save_dp->d_next = dp;
 465                 goto nextparam;
 466         }
 467         for (op = opt; op != NULL; op = op->op_next) {
 468                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 469                         if (nreqs == 1) {
 470                                 free(needs);
 471                                 needs = NULL;
 472                         }
 473                         goto nextparam;
 474                 }
 475         }
 476         if (nonoptional) {
 477                 printf("%s: the option \"%s\" MUST be specified\n",
 478                         fname, wd);
 479                 exit(1);
 480         }
 481 invis:
 482         while ((wd = get_word(fp)) != NULL)
 483                 ;
 484         if (tp == NULL)
 485                 tp = new_fent();
 486         tp->f_fn = this;
 487         tp->f_type = INVISIBLE;
 488         tp->f_needs = needs;
 489         tp->f_flags = isdup;
 490         tp->f_special = special;
 491         tp->f_depends = depends;
 492         tp->f_clean = clean;
 493         tp->f_warn = warning;
 494         goto next;
 495
 496 doneparam:
 497         if (std == 0 && nreqs == 0) {
 498                 printf("%s: what is %s optional on?\n",
 499                     fname, this);
 500                 exit(1);
 501         }
 502
 503         if (wd != NULL) {
 504                 printf("%s: syntax error describing %s\n",
 505                     fname, this);
 506                 exit(1);
 507         }
 508         if (filetype == PROFILING && profiling == 0)
 509                 goto next;
 510         if (tp == NULL)
 511                 tp = new_fent();
 512         tp->f_fn = this;
 513         tp->f_type = filetype;
 514         tp->f_flags = 0;
 515         if (configdep)
 516                 tp->f_flags |= CONFIGDEP;
 517         if (imp_rule)
 518                 tp->f_flags |= NO_IMPLCT_RULE;
 519         if (no_obj)
 520                 tp->f_flags |= NO_OBJ;
 521         if (before_depend)
 522                 tp->f_flags |= BEFORE_DEPEND;
 523         if (nowerror)
 524                 tp->f_flags |= NOWERROR;
 525         if (imp_rule)
 526                 tp->f_flags |= NO_IMPLCT_RULE;
 527         if (no_obj)
 528                 tp->f_flags |= NO_OBJ;
 529         tp->f_needs = needs;
 530         tp->f_special = special;
 531         tp->f_depends = depends;
 532         tp->f_clean = clean;
 533         tp->f_warn = warning;
 534         if (pf && pf->f_type == INVISIBLE)
 535                 pf->f_flags = 1;                /* mark as duplicate */
 536         goto next;
 537 }
 538
 539 static int
 540 opteq(char *cp, char *dp)
 541 {
 542         char c, d;
 543
 544         for (;; cp++, dp++) {
 545                 if (*cp != *dp) {
 546                         c = isupper(*cp) ? tolower(*cp) : *cp;
 547                         d = isupper(*dp) ? tolower(*dp) : *dp;
 548                         if (c != d)
 549                                 return(0);
 550                 }
 551                 if (*cp == 0)
 552                         return(1);
 553         }
 554 }
 555
 556 static void
 557 do_before_depend(FILE *fp)
 558 {
 559         struct file_list *tp;
 560         int lpos, len;
 561
 562         fputs("BEFORE_DEPEND=", fp);
 563         lpos = 15;
 564         for (tp = ftab; tp != NULL; tp = tp->f_next)
 565                 if (tp->f_flags & BEFORE_DEPEND) {
 566                         len = strlen(tp->f_fn);
 567                         if ((len = 3 + len) + lpos > 72) {
 568                                 lpos = 8;
 569                                 fputs("\\\n\t", fp);
 570                         }
 571                         if (tp->f_flags & NO_IMPLCT_RULE)
 572                                 fprintf(fp, "%s ", tp->f_fn);
 573                         else
 574                                 fprintf(fp, "$S/%s ", tp->f_fn);
 575                         lpos += len + 1;
 576                 }
 577         if (lpos != 8)
 578                 putc('\n', fp);
 579 }
 580
 581 static void
 582 do_objs(FILE *fp)
 583 {
 584         struct file_list *tp;
 585         int lpos, len;
 586         char *cp, och, *sp;
 587
 588         fprintf(fp, "OBJS=");
 589         lpos = 6;
 590         for (tp = ftab; tp != NULL; tp = tp->f_next) {
 591                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 592                         continue;
 593                 sp = tail(tp->f_fn);
 594                 cp = sp + (len = strlen(sp)) - 1;
 595                 och = *cp;
 596                 *cp = 'o';
 597                 if (len + lpos > 72) {
 598                         lpos = 8;
 599                         fprintf(fp, "\\\n\t");
 600                 }
 601                 fprintf(fp, "%s ", sp);
 602                 lpos += len + 1;
 603                 *cp = och;
 604         }
 605         if (lpos != 8)
 606                 putc('\n', fp);
 607 }
 608
 609 static void
 610 do_cfiles(FILE *fp)
 611 {
 612         struct file_list *tp;
 613         int lpos, len;
 614
 615         fputs("CFILES=", fp);
 616         lpos = 8;
 617         for (tp = ftab; tp != NULL; tp = tp->f_next)
 618                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 619                         len = strlen(tp->f_fn);
 620                         if (tp->f_fn[len - 1] != 'c')
 621                                 continue;
 622                         if ((len = 3 + len) + lpos > 72) {
 623                                 lpos = 8;
 624                                 fputs("\\\n\t", fp);
 625                         }
 626                         if (tp->f_type != LOCAL)
 627                                 fprintf(fp, "$S/%s ", tp->f_fn);
 628                         else
 629                                 fprintf(fp, "%s ", tp->f_fn);
 630
 631                         lpos += len + 1;
 632                 }
 633         if (lpos != 8)
 634                 putc('\n', fp);
 635 }
 636
 637 static void
 638 do_mfiles(FILE *fp)
 639 {
 640         struct file_list *tp;
 641         int lpos, len;
 642
 643         fputs("MFILES=", fp);
 644         lpos = 8;
 645         for (tp = ftab; tp != NULL; tp = tp->f_next)
 646                 if (tp->f_type != INVISIBLE) {
 647                         len = strlen(tp->f_fn);
 648                         if (tp->f_fn[len - 1] != 'm' || tp->f_fn[len - 2] != '.')
 649                                 continue;
 650                         if ((len = 3 + len) + lpos > 72) {
 651                                 lpos = 8;
 652                                 fputs("\\\n\t", fp);
 653                         }
 654                         fprintf(fp, "$S/%s ", tp->f_fn);
 655                         lpos += len + 1;
 656                 }
 657         if (lpos != 8)
 658                 putc('\n', fp);
 659 }
 660
 661 static void
 662 do_sfiles(FILE *fp)
 663 {
 664         struct file_list *tp;
 665         int lpos, len;
 666
 667         fputs("SFILES=", fp);
 668         lpos = 8;
 669         for (tp = ftab; tp != NULL; tp = tp->f_next)
 670                 if (tp->f_type != INVISIBLE) {
 671                         len = strlen(tp->f_fn);
 672                         if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
 673                                 continue;
 674                         if ((len = 3 + len) + lpos > 72) {
 675                                 lpos = 8;
 676                                 fputs("\\\n\t", fp);
 677                         }
 678                         fprintf(fp, "$S/%s ", tp->f_fn);
 679                         lpos += len + 1;
 680                 }
 681         if (lpos != 8)
 682                 putc('\n', fp);
 683 }
 684
 685
 686 static char *
 687 tail(char *fn)
 688 {
 689         char *cp;
 690
 691         cp = strrchr(fn, '/');
 692         if (cp == NULL)
 693                 return(fn);
 694         return(cp + 1);
 695 }
 696
 697 /*
 698  * Create the makerules for each file
 699  * which is part of the system.
 700  * Devices are processed with the special c2 option -i
 701  * which avoids any problem areas with i/o addressing
 702  * (e.g. for the VAX); assembler files are processed by as.
 703  */
 704 static void
 705 do_rules(FILE *f)
 706 {
 707         char *cp, *np, och;
 708         struct file_list *ftp;
 709         char *special;
 710
 711         for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
 712                 if (ftp->f_type == INVISIBLE)
 713                         continue;
 714                 if (ftp->f_warn != NULL)
 715                         printf("WARNING: %s\n", ftp->f_warn);
 716                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 717                 och = *cp;
 718                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 719                         if (ftp->f_depends)
 720                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 721                         else
 722                                 fprintf(f, "%s: \n", np);
 723                 }
 724                 else {
 725                         *cp = '\0';
 726                         if (och == 'o') {
 727                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 728                                         tail(np), np);
 729                                 continue;
 730                         }
 731                         if (ftp->f_depends)
 732                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 733                                         np, och, ftp->f_depends);
 734                         else
 735                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 736                                         np, och);
 737                 }
 738                 special = ftp->f_special;
 739                 if (special == NULL) {
 740                         const char *ftype = NULL;
 741                         static char cmd[128];
 742
 743                         switch (ftp->f_type) {
 744
 745                         case NORMAL:
 746                                 ftype = "NORMAL";
 747                                 break;
 748
 749                         case PROFILING:
 750                                 if (!profiling)
 751                                         continue;
 752                                 ftype = "PROFILE";
 753                                 break;
 754
 755                         default:
 756                                 printf("config: don't know rules for %s\n", np);
 757                                 break;
 758                         }
 759                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}%s",
 760                             ftype, toupper(och),
 761                             ftp->f_flags & CONFIGDEP ? "_C" : "",
 762                             ftp->f_flags & NOWERROR ? "" : " ${WERROR}");
 763                         special = cmd;
 764                 }
 765                 *cp = och;
 766                 fprintf(f, "\t%s\n\n", special);
 767         }
 768 }
 769
 770 static void
 771 do_clean(FILE *fp)
 772 {
 773         struct file_list *tp;
 774         int lpos, len;
 775
 776         fputs("CLEAN=", fp);
 777         lpos = 7;
 778         for (tp = ftab; tp != NULL; tp = tp->f_next)
 779                 if (tp->f_clean) {
 780                         len = strlen(tp->f_clean);
 781                         if (len + lpos > 72) {
 782                                 lpos = 8;
 783                                 fputs("\\\n\t", fp);
 784                         }
 785                         fprintf(fp, "%s ", tp->f_clean);
 786                         lpos += len + 1;
 787                 }
 788         if (lpos != 8)
 789                 putc('\n', fp);
 790 }
 791
 792 char *
 793 raisestr(char *str)
 794 {
 795         char *cp = str;
 796
 797         while (*str) {
 798                 if (islower(*str))
 799                         *str = toupper(*str);
 800                 str++;
 801         }
 802         return(cp);
 803 }