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. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * @(#)mkmakefile.c     8.1 (Berkeley) 6/6/93
  30  * $FreeBSD: src/usr.sbin/config/mkmakefile.c,v 1.51.2.3 2001/01/23 00:09:32 peter Exp $
  31  */
  32
  33 /*
  34  * Build the makefile for the system, from
  35  * the information in the 'files' files and the
  36  * additional files for the machine being compiled to.
  37  */
  38
  39 #include <ctype.h>
  40 #include <err.h>
  41 #include <stdio.h>
  42 #include <string.h>
  43 #include <sys/param.h>
  44 #include "y.tab.h"
  45 #include "config.h"
  46 #include "configvers.h"
  47
  48 #define next_word(fp, wd)                                               \
  49         {                                                               \
  50                 char *word;                                             \
  51                                                                         \
  52                 word = get_word(fp);                                    \
  53                 if (word == (char *)EOF)                                \
  54                         return;                                         \
  55                 else                                                    \
  56                         wd = word;                                      \
  57         }
  58 #define next_quoted_word(fp, wd)                                        \
  59         {                                                               \
  60                 char *word;                                             \
  61                                                                         \
  62                 word = get_quoted_word(fp);                             \
  63                 if (word == (char *)EOF)                                \
  64                         return;                                         \
  65                 else                                                    \
  66                         wd = word;                                      \
  67         }
  68
  69 static struct file_list *fcur;
  70
  71 static char *tail(char *);
  72 static void do_clean(FILE *);
  73 static void do_rules(FILE *);
  74 static void do_sfiles(FILE *);
  75 static void do_mfiles(FILE *);
  76 static void do_cfiles(FILE *);
  77 static void do_objs(FILE *);
  78 static void do_before_depend(FILE *);
  79 static int opteq(char *, char *);
  80 static void read_files(void);
  81
  82 /*
  83  * Lookup a file, by name.
  84  */
  85 static struct file_list *
  86 fl_lookup(char *file)
  87 {
  88         struct file_list *fp;
  89
  90         for (fp = ftab; fp != NULL; fp = fp->f_next) {
  91                 if (strcmp(fp->f_fn, file) == 0)
  92                         return(fp);
  93         }
  94         return(0);
  95 }
  96
  97 /*
  98  * Lookup a file, by final component name.
  99  */
 100 static struct file_list *
 101 fltail_lookup(char *file)
 102 {
 103         struct file_list *fp;
 104
 105         for (fp = ftab; fp != NULL; fp = fp->f_next) {
 106                 if (strcmp(tail(fp->f_fn), tail(file)) == 0)
 107                         return(fp);
 108         }
 109         return(0);
 110 }
 111
 112 /*
 113  * Make a new file list entry
 114  */
 115 static struct file_list *
 116 new_fent(void)
 117 {
 118         struct file_list *fp;
 119
 120         fp = malloc(sizeof(*fp));
 121         bzero(fp, sizeof(*fp));
 122         if (fcur == NULL)
 123                 fcur = ftab = fp;
 124         else
 125                 fcur->f_next = fp;
 126         fcur = fp;
 127         return(fp);
 128 }
 129
 130 /*
 131  * Build the makefile from the skeleton
 132  */
 133 void
 134 makefile(void)
 135 {
 136         FILE *ifp, *ofp;
 137         char line[BUFSIZ];
 138         struct opt *op;
 139         int versreq;
 140
 141         read_files();
 142         snprintf(line, sizeof(line), "../platform/%s/conf/Makefile",
 143                  platformname);
 144         ifp = fopen(line, "r");
 145         if (ifp == NULL) {
 146                 snprintf(line, sizeof(line), "Makefile.%s", platformname);
 147                 ifp = fopen(line, "r");
 148         }
 149         if (ifp == NULL)
 150                 err(1, "%s", line);
 151         ofp = fopen(path("Makefile.new"), "w");
 152         if (ofp == NULL)
 153                 err(1, "%s", path("Makefile.new"));
 154         fprintf(ofp, "KERN_IDENT=%s\n", raisestr(ident));
 155         fprintf(ofp, "MACHINE_PLATFORM=%s\n", platformname);
 156         fprintf(ofp, "MACHINE=%s\n", machinename);
 157         fprintf(ofp, "MACHINE_ARCH=%s\n", machinearchname);
 158         fprintf(ofp, ".export MACHINE_PLATFORM\n");
 159         fprintf(ofp, ".export MACHINE\n");
 160         fprintf(ofp, ".export MACHINE_ARCH\n");
 161         fprintf(ofp, "IDENT=");
 162         if (profiling) {
 163                 /* Don't compile kernel profiling code for vkernel */
 164                 if (strncmp(platformname, "vkernel", 6) != 0)
 165                         fprintf(ofp, " -DGPROF");
 166         }
 167
 168         if (cputype == 0) {
 169                 printf("cpu type must be specified\n");
 170                 exit(1);
 171         }
 172         fprintf(ofp, "\n");
 173         for (op = mkopt; op != NULL; op = op->op_next)
 174                 fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
 175         if (debugging)
 176                 fprintf(ofp, "DEBUG=-g\n");
 177         if (profiling) {
 178                 fprintf(ofp, "PROF=-pg\n");
 179                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 180         }
 181         if (*srcdir != '\0')
 182                 fprintf(ofp,"S=%s\n", srcdir);
 183         while (fgets(line, BUFSIZ, ifp) != 0) {
 184                 if (*line != '%') {
 185                         fprintf(ofp, "%s", line);
 186                         continue;
 187                 }
 188                 if (strcmp(line, "%BEFORE_DEPEND\n") == 0)
 189                         do_before_depend(ofp);
 190                 else if (strcmp(line, "%OBJS\n") == 0)
 191                         do_objs(ofp);
 192                 else if (strcmp(line, "%MFILES\n") == 0)
 193                         do_mfiles(ofp);
 194                 else if (strcmp(line, "%CFILES\n") == 0)
 195                         do_cfiles(ofp);
 196                 else if (strcmp(line, "%SFILES\n") == 0)
 197                         do_sfiles(ofp);
 198                 else if (strcmp(line, "%RULES\n") == 0)
 199                         do_rules(ofp);
 200                 else if (strcmp(line, "%CLEAN\n") == 0)
 201                         do_clean(ofp);
 202                 else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
 203                         versreq = atoi(line + sizeof("%VERSREQ=") - 1);
 204                         if (versreq != CONFIGVERS) {
 205                                 fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n");
 206                                 fprintf(stderr, "config version = %d, ", CONFIGVERS);
 207                                 fprintf(stderr, "version required = %d\n\n", versreq);
 208                                 fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
 209                                 fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
 210                                 fprintf(stderr, "before trying this again.\n\n");
 211                                 fprintf(stderr, "If running the new config fails check your config\n");
 212                                 fprintf(stderr, "file against the GENERIC or LINT config files for\n");
 213                                 fprintf(stderr, "changes in config syntax, or option/device naming\n");
 214                                 fprintf(stderr, "conventions\n\n");
 215                                 exit(1);
 216                         }
 217                 } else
 218                         fprintf(stderr,
 219                             "Unknown %% construct in generic makefile: %s",
 220                             line);
 221         }
 222         fclose(ifp);
 223         fclose(ofp);
 224         moveifchanged(path("Makefile.new"), path("Makefile"));
 225 }
 226
 227 /*
 228  * Read in the information about files used in making the system.
 229  * Store it in the ftab linked list.
 230  */
 231 static void
 232 read_files(void)
 233 {
 234         FILE *fp;
 235         struct file_list *tp, *pf;
 236         struct device *dp;
 237         struct device *save_dp;
 238         struct opt *op;
 239         char *wd, *this, *needs, *special, *depends, *clean, *warning;
 240         char fname[MAXPATHLEN];
 241         int nonoptional;
 242         int nreqs, first = 1, configdep, isdup, std, filetype,
 243             imp_rule, no_obj, before_depend, nowerror, mandatory;
 244
 245         ftab = 0;
 246         save_dp = NULL;
 247         if (ident == NULL) {
 248                 printf("no ident line specified\n");
 249                 exit(1);
 250         }
 251         snprintf(fname, sizeof(fname), "../conf/files");
 252 openit:
 253         fp = fopen(fname, "r");
 254         if (fp == NULL)
 255                 err(1, "%s", fname);
 256 next:
 257         /*
 258          * filename    [ standard | mandatory | optional ] [ config-dependent ]
 259          *      [ dev* | profiling-routine ] [ no-obj ]
 260          *      [ compile-with "compile rule" [no-implicit-rule] ]
 261          *      [ dependency "dependency-list"] [ before-depend ]
 262          *      [ clean "file-list"] [ warning "text warning" ]
 263          */
 264         wd = get_word(fp);
 265         if (wd == (char *)EOF) {
 266                 fclose(fp);
 267                 if (first == 1) {
 268                         first++;
 269                         snprintf(fname, sizeof(fname),
 270                             "../platform/%s/conf/files",
 271                             platformname);
 272                         fp = fopen(fname, "r");
 273                         if (fp != NULL)
 274                                 goto next;
 275                         snprintf(fname, sizeof(fname),
 276                             "files.%s", platformname);
 277                         goto openit;
 278                 }
 279                 if (first == 2) {
 280                         first++;
 281                         snprintf(fname, sizeof(fname),
 282                             "files.%s", raisestr(ident));
 283                         fp = fopen(fname, "r");
 284                         if (fp != NULL)
 285                                 goto next;
 286                 }
 287                 return;
 288         }
 289         if (wd == NULL)
 290                 goto next;
 291         if (wd[0] == '#')
 292         {
 293                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 294                         ;
 295                 goto next;
 296         }
 297         this = strdup(wd);
 298         next_word(fp, wd);
 299         if (wd == NULL) {
 300                 printf("%s: No type for %s.\n",
 301                     fname, this);
 302                 exit(1);
 303         }
 304         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 305                 isdup = 1;
 306         else
 307                 isdup = 0;
 308         tp = NULL;
 309         if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
 310                 if (tp->f_type != INVISIBLE || tp->f_flags)
 311                         printf("%s: Local file %s overrides %s.\n",
 312                             fname, this, tp->f_fn);
 313                 else
 314                         printf("%s: Local file %s could override %s"
 315                             " with a different kernel configuration.\n",
 316                             fname, this, tp->f_fn);
 317         }
 318         nreqs = 0;
 319         special = NULL;
 320         depends = NULL;
 321         clean = NULL;
 322         warning = NULL;
 323         configdep = 0;
 324         needs = NULL;
 325         std = mandatory = nonoptional = 0;
 326         imp_rule = 0;
 327         no_obj = 0;
 328         before_depend = 0;
 329         nowerror = 0;
 330         filetype = NORMAL;
 331         if (strcmp(wd, "standard") == 0) {
 332                 std = 1;
 333         } else if (strcmp(wd, "mandatory") == 0) {
 334                 /*
 335                  * If an entry is marked "mandatory", config will abort if
 336                  * it's not called by a configuration line in the config
 337                  * file.  Apart from this, the device is handled like one
 338                  * marked "optional".
 339                  */
 340                 mandatory = 1;
 341         } else if (strcmp(wd, "nonoptional") == 0) {
 342                 nonoptional = 1;
 343         } else if (strcmp(wd, "optional") == 0) {
 344                 /* don't need to do anything */
 345         } else {
 346                 printf("%s: %s must be optional, mandatory or standard\n",
 347                        fname, this);
 348                 printf("Alternatively, your version of config(8) may be out of sync with your\nkernel source.\n");
 349                 exit(1);
 350         }
 351 nextparam:
 352         next_word(fp, wd);
 353         if (wd == NULL)
 354                 goto doneparam;
 355         if (strcmp(wd, "config-dependent") == 0) {
 356                 configdep++;
 357                 goto nextparam;
 358         }
 359         if (strcmp(wd, "no-obj") == 0) {
 360                 no_obj++;
 361                 goto nextparam;
 362         }
 363         if (strcmp(wd, "no-implicit-rule") == 0) {
 364                 if (special == NULL) {
 365                         printf("%s: alternate rule required when "
 366                                "\"no-implicit-rule\" is specified.\n",
 367                                fname);
 368                 }
 369                 imp_rule++;
 370                 goto nextparam;
 371         }
 372         if (strcmp(wd, "before-depend") == 0) {
 373                 before_depend++;
 374                 goto nextparam;
 375         }
 376         if (strcmp(wd, "dependency") == 0) {
 377                 next_quoted_word(fp, wd);
 378                 if (wd == NULL) {
 379                         printf("%s: %s missing compile command string.\n",
 380                                fname, this);
 381                         exit(1);
 382                 }
 383                 depends = strdup(wd);
 384                 goto nextparam;
 385         }
 386         if (strcmp(wd, "clean") == 0) {
 387                 next_quoted_word(fp, wd);
 388                 if (wd == NULL) {
 389                         printf("%s: %s missing clean file list.\n",
 390                                fname, this);
 391                         exit(1);
 392                 }
 393                 clean = strdup(wd);
 394                 goto nextparam;
 395         }
 396         if (strcmp(wd, "compile-with") == 0) {
 397                 next_quoted_word(fp, wd);
 398                 if (wd == NULL) {
 399                         printf("%s: %s missing compile command string.\n",
 400                                fname, this);
 401                         exit(1);
 402                 }
 403                 special = strdup(wd);
 404                 goto nextparam;
 405         }
 406         if (strcmp(wd, "nowerror") == 0) {
 407                 nowerror++;
 408                 goto nextparam;
 409         }
 410         if (strcmp(wd, "warning") == 0) {
 411                 next_quoted_word(fp, wd);
 412                 if (wd == NULL) {
 413                         printf("%s: %s missing warning text string.\n",
 414                                 fname, this);
 415                         exit(1);
 416                 }
 417                 warning = strdup(wd);
 418                 goto nextparam;
 419         }
 420         nreqs++;
 421         if (strcmp(wd, "local") == 0) {
 422                 filetype = LOCAL;
 423                 goto nextparam;
 424         }
 425         if (strcmp(wd, "no-depend") == 0) {
 426                 filetype = NODEPEND;
 427                 goto nextparam;
 428         }
 429         if (strcmp(wd, "device-driver") == 0) {
 430                 printf("%s: `device-driver' flag obsolete.\n", fname);
 431                 exit(1);
 432         }
 433         if (strcmp(wd, "profiling-routine") == 0) {
 434                 filetype = PROFILING;
 435                 goto nextparam;
 436         }
 437         if (needs == NULL && nreqs == 1)
 438                 needs = strdup(wd);
 439         if (isdup)
 440                 goto invis;
 441         for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
 442                 if (strcmp(dp->d_name, wd) == 0) {
 443                         if (std && dp->d_type == PSEUDO_DEVICE &&
 444                             dp->d_count <= 0)
 445                                 dp->d_count = 1;
 446                         goto nextparam;
 447                 }
 448         if (mandatory) {
 449                 printf("%s: mandatory device \"%s\" not found\n",
 450                        fname, wd);
 451                 exit(1);
 452         }
 453         if (std) {
 454                 dp = malloc(sizeof(*dp));
 455                 bzero(dp, sizeof(*dp));
 456                 init_dev(dp);
 457                 dp->d_name = strdup(wd);
 458                 dp->d_type = PSEUDO_DEVICE;
 459                 dp->d_count = 1;
 460                 save_dp->d_next = dp;
 461                 goto nextparam;
 462         }
 463         for (op = opt; op != NULL; op = op->op_next) {
 464                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 465                         if (nreqs == 1) {
 466                                 free(needs);
 467                                 needs = NULL;
 468                         }
 469                         goto nextparam;
 470                 }
 471         }
 472         if (nonoptional) {
 473                 printf("%s: the option \"%s\" MUST be specified\n",
 474                         fname, wd);
 475                 exit(1);
 476         }
 477 invis:
 478         while ((wd = get_word(fp)) != NULL)
 479                 ;
 480         if (tp == NULL)
 481                 tp = new_fent();
 482         tp->f_fn = this;
 483         tp->f_type = INVISIBLE;
 484         tp->f_needs = needs;
 485         tp->f_flags = isdup;
 486         tp->f_special = special;
 487         tp->f_depends = depends;
 488         tp->f_clean = clean;
 489         tp->f_warn = warning;
 490         goto next;
 491
 492 doneparam:
 493         if (std == 0 && nreqs == 0) {
 494                 printf("%s: what is %s optional on?\n",
 495                     fname, this);
 496                 exit(1);
 497         }
 498
 499         if (wd != NULL) {
 500                 printf("%s: syntax error describing %s\n",
 501                     fname, this);
 502                 exit(1);
 503         }
 504         if (filetype == PROFILING && profiling == 0)
 505                 goto next;
 506         if (tp == NULL)
 507                 tp = new_fent();
 508         tp->f_fn = this;
 509         tp->f_type = filetype;
 510         tp->f_flags = 0;
 511         if (configdep)
 512                 tp->f_flags |= CONFIGDEP;
 513         if (imp_rule)
 514                 tp->f_flags |= NO_IMPLCT_RULE;
 515         if (no_obj)
 516                 tp->f_flags |= NO_OBJ;
 517         if (before_depend)
 518                 tp->f_flags |= BEFORE_DEPEND;
 519         if (nowerror)
 520                 tp->f_flags |= NOWERROR;
 521         if (imp_rule)
 522                 tp->f_flags |= NO_IMPLCT_RULE;
 523         if (no_obj)
 524                 tp->f_flags |= NO_OBJ;
 525         tp->f_needs = needs;
 526         tp->f_special = special;
 527         tp->f_depends = depends;
 528         tp->f_clean = clean;
 529         tp->f_warn = warning;
 530         if (pf && pf->f_type == INVISIBLE)
 531                 pf->f_flags = 1;                /* mark as duplicate */
 532         goto next;
 533 }
 534
 535 static int
 536 opteq(char *cp, char *dp)
 537 {
 538         char c, d;
 539
 540         for (;; cp++, dp++) {
 541                 if (*cp != *dp) {
 542                         c = isupper(*cp) ? tolower(*cp) : *cp;
 543                         d = isupper(*dp) ? tolower(*dp) : *dp;
 544                         if (c != d)
 545                                 return(0);
 546                 }
 547                 if (*cp == 0)
 548                         return(1);
 549         }
 550 }
 551
 552 static void
 553 do_before_depend(FILE *fp)
 554 {
 555         struct file_list *tp;
 556         int lpos, len;
 557
 558         fputs("BEFORE_DEPEND=", fp);
 559         lpos = 15;
 560         for (tp = ftab; tp != NULL; tp = tp->f_next)
 561                 if (tp->f_flags & BEFORE_DEPEND) {
 562                         len = strlen(tp->f_fn);
 563                         if ((len = 3 + len) + lpos > 72) {
 564                                 lpos = 8;
 565                                 fputs("\\\n\t", fp);
 566                         }
 567                         if (tp->f_flags & NO_IMPLCT_RULE)
 568                                 fprintf(fp, "%s ", tp->f_fn);
 569                         else
 570                                 fprintf(fp, "$S/%s ", tp->f_fn);
 571                         lpos += len + 1;
 572                 }
 573         if (lpos != 8)
 574                 putc('\n', fp);
 575 }
 576
 577 static void
 578 do_objs(FILE *fp)
 579 {
 580         struct file_list *tp;
 581         int lpos, len;
 582         char *cp, och, *sp;
 583
 584         fprintf(fp, "OBJS=");
 585         lpos = 6;
 586         for (tp = ftab; tp != NULL; tp = tp->f_next) {
 587                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 588                         continue;
 589                 sp = tail(tp->f_fn);
 590                 cp = sp + (len = strlen(sp)) - 1;
 591                 och = *cp;
 592                 *cp = 'o';
 593                 if (len + lpos > 72) {
 594                         lpos = 8;
 595                         fprintf(fp, "\\\n\t");
 596                 }
 597                 fprintf(fp, "%s ", sp);
 598                 lpos += len + 1;
 599                 *cp = och;
 600         }
 601         if (lpos != 8)
 602                 putc('\n', fp);
 603 }
 604
 605 static void
 606 do_cfiles(FILE *fp)
 607 {
 608         struct file_list *tp;
 609         int lpos, len;
 610
 611         fputs("CFILES=", fp);
 612         lpos = 8;
 613         for (tp = ftab; tp != NULL; tp = tp->f_next)
 614                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 615                         len = strlen(tp->f_fn);
 616                         if (tp->f_fn[len - 1] != 'c')
 617                                 continue;
 618                         if ((len = 3 + len) + lpos > 72) {
 619                                 lpos = 8;
 620                                 fputs("\\\n\t", fp);
 621                         }
 622                         if (tp->f_type != LOCAL)
 623                                 fprintf(fp, "$S/%s ", tp->f_fn);
 624                         else
 625                                 fprintf(fp, "%s ", tp->f_fn);
 626
 627                         lpos += len + 1;
 628                 }
 629         if (lpos != 8)
 630                 putc('\n', fp);
 631 }
 632
 633 static void
 634 do_mfiles(FILE *fp)
 635 {
 636         struct file_list *tp;
 637         int lpos, len;
 638
 639         fputs("MFILES=", fp);
 640         lpos = 8;
 641         for (tp = ftab; tp != NULL; tp = tp->f_next)
 642                 if (tp->f_type != INVISIBLE) {
 643                         len = strlen(tp->f_fn);
 644                         if (tp->f_fn[len - 1] != 'm' || tp->f_fn[len - 2] != '.')
 645                                 continue;
 646                         if ((len = 3 + len) + lpos > 72) {
 647                                 lpos = 8;
 648                                 fputs("\\\n\t", fp);
 649                         }
 650                         fprintf(fp, "$S/%s ", tp->f_fn);
 651                         lpos += len + 1;
 652                 }
 653         if (lpos != 8)
 654                 putc('\n', fp);
 655 }
 656
 657 static void
 658 do_sfiles(FILE *fp)
 659 {
 660         struct file_list *tp;
 661         int lpos, len;
 662
 663         fputs("SFILES=", fp);
 664         lpos = 8;
 665         for (tp = ftab; tp != NULL; tp = tp->f_next)
 666                 if (tp->f_type != INVISIBLE) {
 667                         len = strlen(tp->f_fn);
 668                         if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
 669                                 continue;
 670                         if ((len = 3 + len) + lpos > 72) {
 671                                 lpos = 8;
 672                                 fputs("\\\n\t", fp);
 673                         }
 674                         fprintf(fp, "$S/%s ", tp->f_fn);
 675                         lpos += len + 1;
 676                 }
 677         if (lpos != 8)
 678                 putc('\n', fp);
 679 }
 680
 681
 682 static char *
 683 tail(char *fn)
 684 {
 685         char *cp;
 686
 687         cp = strrchr(fn, '/');
 688         if (cp == NULL)
 689                 return(fn);
 690         return(cp + 1);
 691 }
 692
 693 /*
 694  * Create the makerules for each file
 695  * which is part of the system.
 696  * Devices are processed with the special c2 option -i
 697  * which avoids any problem areas with i/o addressing
 698  * (e.g. for the VAX); assembler files are processed by as.
 699  */
 700 static void
 701 do_rules(FILE *f)
 702 {
 703         char *cp, *np, och;
 704         struct file_list *ftp;
 705         char *special;
 706
 707         for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
 708                 if (ftp->f_type == INVISIBLE)
 709                         continue;
 710                 if (ftp->f_warn != NULL)
 711                         printf("WARNING: %s\n", ftp->f_warn);
 712                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 713                 och = *cp;
 714                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 715                         if (ftp->f_depends)
 716                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 717                         else
 718                                 fprintf(f, "%s: \n", np);
 719                 }
 720                 else {
 721                         *cp = '\0';
 722                         if (och == 'o') {
 723                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 724                                         tail(np), np);
 725                                 continue;
 726                         }
 727                         if (ftp->f_depends)
 728                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 729                                         np, och, ftp->f_depends);
 730                         else
 731                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 732                                         np, och);
 733                 }
 734                 special = ftp->f_special;
 735                 if (special == NULL) {
 736                         const char *ftype = NULL;
 737                         static char cmd[128];
 738
 739                         switch (ftp->f_type) {
 740
 741                         case NORMAL:
 742                                 ftype = "NORMAL";
 743                                 break;
 744
 745                         case PROFILING:
 746                                 if (!profiling)
 747                                         continue;
 748                                 ftype = "PROFILE";
 749                                 break;
 750
 751                         default:
 752                                 printf("config: don't know rules for %s\n", np);
 753                                 break;
 754                         }
 755                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}%s",
 756                             ftype, toupper(och),
 757                             ftp->f_flags & CONFIGDEP ? "_C" : "",
 758                             ftp->f_flags & NOWERROR ? "" : " ${WERROR}");
 759                         special = cmd;
 760                 }
 761                 *cp = och;
 762                 fprintf(f, "\t%s\n\n", special);
 763         }
 764 }
 765
 766 static void
 767 do_clean(FILE *fp)
 768 {
 769         struct file_list *tp;
 770         int lpos, len;
 771
 772         fputs("CLEAN=", fp);
 773         lpos = 7;
 774         for (tp = ftab; tp != NULL; tp = tp->f_next)
 775                 if (tp->f_clean) {
 776                         len = strlen(tp->f_clean);
 777                         if (len + lpos > 72) {
 778                                 lpos = 8;
 779                                 fputs("\\\n\t", fp);
 780                         }
 781                         fprintf(fp, "%s ", tp->f_clean);
 782                         lpos += len + 1;
 783                 }
 784         if (lpos != 8)
 785                 putc('\n', fp);
 786 }
 787
 788 char *
 789 raisestr(char *str)
 790 {
 791         char *cp = str;
 792
 793         while (*str) {
 794                 if (islower(*str))
 795                         *str = toupper(*str);
 796                 str++;
 797         }
 798         return(cp);
 799 }