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
 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 (*srcdir != '\0')
 173                 fprintf(ofp,"S=%s\n", srcdir);
 174         while (fgets(line, BUFSIZ, ifp) != 0) {
 175                 if (*line != '%') {
 176                         fprintf(ofp, "%s", line);
 177                         continue;
 178                 }
 179                 if (strcmp(line, "%BEFORE_DEPEND\n") == 0)
 180                         do_before_depend(ofp);
 181                 else if (strcmp(line, "%OBJS\n") == 0)
 182                         do_objs(ofp);
 183                 else if (strcmp(line, "%MFILES\n") == 0)
 184                         do_mfiles(ofp);
 185                 else if (strcmp(line, "%CFILES\n") == 0)
 186                         do_cfiles(ofp);
 187                 else if (strcmp(line, "%SFILES\n") == 0)
 188                         do_sfiles(ofp);
 189                 else if (strcmp(line, "%RULES\n") == 0)
 190                         do_rules(ofp);
 191                 else if (strcmp(line, "%CLEAN\n") == 0)
 192                         do_clean(ofp);
 193                 else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
 194                         versreq = atoi(line + sizeof("%VERSREQ=") - 1);
 195                         if (versreq != CONFIGVERS) {
 196                                 fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n");
 197                                 fprintf(stderr, "config version = %d, ", CONFIGVERS);
 198                                 fprintf(stderr, "version required = %d\n\n", versreq);
 199                                 fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
 200                                 fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
 201                                 fprintf(stderr, "before trying this again.\n\n");
 202                                 fprintf(stderr, "If running the new config fails check your config\n");
 203                                 fprintf(stderr, "file against the GENERIC or LINT config files for\n");
 204                                 fprintf(stderr, "changes in config syntax, or option/device naming\n");
 205                                 fprintf(stderr, "conventions\n\n");
 206                                 exit(1);
 207                         }
 208                 } else
 209                         fprintf(stderr,
 210                             "Unknown %% construct in generic makefile: %s",
 211                             line);
 212         }
 213         fclose(ifp);
 214         fclose(ofp);
 215         moveifchanged(path("Makefile.new"), path("Makefile"));
 216 }
 217
 218 /*
 219  * Read in the information about files used in making the system.
 220  * Store it in the ftab linked list.
 221  */
 222 static void
 223 read_files(void)
 224 {
 225         FILE *fp;
 226         struct file_list *tp, *pf;
 227         struct device *dp;
 228         struct device *save_dp;
 229         struct opt *op;
 230         char *wd, *this, *needs, *special, *depends, *clean, *warning;
 231         char fname[MAXPATHLEN];
 232         int nonoptional;
 233         int nreqs, first = 1, configdep, isdup, std, filetype,
 234             imp_rule, no_obj, before_depend, nowerror, mandatory;
 235
 236         ftab = 0;
 237         save_dp = NULL;
 238         if (ident == NULL) {
 239                 printf("no ident line specified\n");
 240                 exit(1);
 241         }
 242         snprintf(fname, sizeof(fname), "../conf/files");
 243 openit:
 244         fp = fopen(fname, "r");
 245         if (fp == NULL)
 246                 err(1, "%s", fname);
 247 next:
 248         /*
 249          * filename    [ standard | mandatory | optional ] [ config-dependent ]
 250          *      [ dev* ] [ no-obj ]
 251          *      [ compile-with "compile rule" [no-implicit-rule] ]
 252          *      [ dependency "dependency-list"] [ before-depend ]
 253          *      [ clean "file-list"] [ warning "text warning" ]
 254          */
 255         wd = get_word(fp);
 256         if (wd == (char *)EOF) {
 257                 fclose(fp);
 258                 if (first == 1) {
 259                         first++;
 260                         snprintf(fname, sizeof(fname),
 261                             "../platform/%s/conf/files",
 262                             platformname);
 263                         fp = fopen(fname, "r");
 264                         if (fp != NULL)
 265                                 goto next;
 266                         snprintf(fname, sizeof(fname),
 267                             "files.%s", platformname);
 268                         goto openit;
 269                 }
 270                 if (first == 2) {
 271                         first++;
 272                         snprintf(fname, sizeof(fname),
 273                             "files.%s", raisestr(ident));
 274                         fp = fopen(fname, "r");
 275                         if (fp != NULL)
 276                                 goto next;
 277                 }
 278                 return;
 279         }
 280         if (wd == NULL)
 281                 goto next;
 282         if (wd[0] == '#')
 283         {
 284                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 285                         ;
 286                 goto next;
 287         }
 288         this = strdup(wd);
 289         next_word(fp, wd);
 290         if (wd == NULL) {
 291                 printf("%s: No type for %s.\n",
 292                     fname, this);
 293                 exit(1);
 294         }
 295         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 296                 isdup = 1;
 297         else
 298                 isdup = 0;
 299         tp = NULL;
 300         if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
 301                 if (tp->f_type != INVISIBLE || tp->f_flags)
 302                         printf("%s: Local file %s overrides %s.\n",
 303                             fname, this, tp->f_fn);
 304                 else
 305                         printf("%s: Local file %s could override %s"
 306                             " with a different kernel configuration.\n",
 307                             fname, this, tp->f_fn);
 308         }
 309         nreqs = 0;
 310         special = NULL;
 311         depends = NULL;
 312         clean = NULL;
 313         warning = NULL;
 314         configdep = 0;
 315         needs = NULL;
 316         std = mandatory = nonoptional = 0;
 317         imp_rule = 0;
 318         no_obj = 0;
 319         before_depend = 0;
 320         nowerror = 0;
 321         filetype = NORMAL;
 322         if (strcmp(wd, "standard") == 0) {
 323                 std = 1;
 324         } else if (strcmp(wd, "mandatory") == 0) {
 325                 /*
 326                  * If an entry is marked "mandatory", config will abort if
 327                  * it's not called by a configuration line in the config
 328                  * file.  Apart from this, the device is handled like one
 329                  * marked "optional".
 330                  */
 331                 mandatory = 1;
 332         } else if (strcmp(wd, "nonoptional") == 0) {
 333                 nonoptional = 1;
 334         } else if (strcmp(wd, "optional") == 0) {
 335                 /* don't need to do anything */
 336         } else {
 337                 printf("%s: %s must be optional, mandatory or standard\n",
 338                        fname, this);
 339                 printf("Alternatively, your version of config(8) may be out of sync with your\nkernel source.\n");
 340                 exit(1);
 341         }
 342 nextparam:
 343         next_word(fp, wd);
 344         if (wd == NULL)
 345                 goto doneparam;
 346         if (strcmp(wd, "config-dependent") == 0) {
 347                 configdep++;
 348                 goto nextparam;
 349         }
 350         if (strcmp(wd, "no-obj") == 0) {
 351                 no_obj++;
 352                 goto nextparam;
 353         }
 354         if (strcmp(wd, "no-implicit-rule") == 0) {
 355                 if (special == NULL) {
 356                         printf("%s: alternate rule required when "
 357                                "\"no-implicit-rule\" is specified.\n",
 358                                fname);
 359                 }
 360                 imp_rule++;
 361                 goto nextparam;
 362         }
 363         if (strcmp(wd, "before-depend") == 0) {
 364                 before_depend++;
 365                 goto nextparam;
 366         }
 367         if (strcmp(wd, "dependency") == 0) {
 368                 next_quoted_word(fp, wd);
 369                 if (wd == NULL) {
 370                         printf("%s: %s missing compile command string.\n",
 371                                fname, this);
 372                         exit(1);
 373                 }
 374                 depends = strdup(wd);
 375                 goto nextparam;
 376         }
 377         if (strcmp(wd, "clean") == 0) {
 378                 next_quoted_word(fp, wd);
 379                 if (wd == NULL) {
 380                         printf("%s: %s missing clean file list.\n",
 381                                fname, this);
 382                         exit(1);
 383                 }
 384                 clean = strdup(wd);
 385                 goto nextparam;
 386         }
 387         if (strcmp(wd, "compile-with") == 0) {
 388                 next_quoted_word(fp, wd);
 389                 if (wd == NULL) {
 390                         printf("%s: %s missing compile command string.\n",
 391                                fname, this);
 392                         exit(1);
 393                 }
 394                 special = strdup(wd);
 395                 goto nextparam;
 396         }
 397         if (strcmp(wd, "nowerror") == 0) {
 398                 nowerror++;
 399                 goto nextparam;
 400         }
 401         if (strcmp(wd, "warning") == 0) {
 402                 next_quoted_word(fp, wd);
 403                 if (wd == NULL) {
 404                         printf("%s: %s missing warning text string.\n",
 405                                 fname, this);
 406                         exit(1);
 407                 }
 408                 warning = strdup(wd);
 409                 goto nextparam;
 410         }
 411         nreqs++;
 412         if (strcmp(wd, "local") == 0) {
 413                 filetype = LOCAL;
 414                 goto nextparam;
 415         }
 416         if (strcmp(wd, "no-depend") == 0) {
 417                 filetype = NODEPEND;
 418                 goto nextparam;
 419         }
 420         if (strcmp(wd, "device-driver") == 0) {
 421                 printf("%s: `device-driver' flag obsolete.\n", fname);
 422                 exit(1);
 423         }
 424         if (needs == NULL && nreqs == 1)
 425                 needs = strdup(wd);
 426         if (isdup)
 427                 goto invis;
 428         for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
 429                 if (strcmp(dp->d_name, wd) == 0) {
 430                         if (std && dp->d_type == PSEUDO_DEVICE &&
 431                             dp->d_count <= 0)
 432                                 dp->d_count = 1;
 433                         goto nextparam;
 434                 }
 435         if (mandatory) {
 436                 printf("%s: mandatory device \"%s\" not found\n",
 437                        fname, wd);
 438                 exit(1);
 439         }
 440         if (std) {
 441                 dp = malloc(sizeof(*dp));
 442                 bzero(dp, sizeof(*dp));
 443                 init_dev(dp);
 444                 dp->d_name = strdup(wd);
 445                 dp->d_type = PSEUDO_DEVICE;
 446                 dp->d_count = 1;
 447                 save_dp->d_next = dp;
 448                 goto nextparam;
 449         }
 450         for (op = opt; op != NULL; op = op->op_next) {
 451                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 452                         if (nreqs == 1) {
 453                                 free(needs);
 454                                 needs = NULL;
 455                         }
 456                         goto nextparam;
 457                 }
 458         }
 459         if (nonoptional) {
 460                 printf("%s: the option \"%s\" MUST be specified\n",
 461                         fname, wd);
 462                 exit(1);
 463         }
 464 invis:
 465         while ((wd = get_word(fp)) != NULL)
 466                 ;
 467         if (tp == NULL)
 468                 tp = new_fent();
 469         tp->f_fn = this;
 470         tp->f_type = INVISIBLE;
 471         tp->f_needs = needs;
 472         tp->f_flags = isdup;
 473         tp->f_special = special;
 474         tp->f_depends = depends;
 475         tp->f_clean = clean;
 476         tp->f_warn = warning;
 477         goto next;
 478
 479 doneparam:
 480         if (std == 0 && nreqs == 0) {
 481                 printf("%s: what is %s optional on?\n",
 482                     fname, this);
 483                 exit(1);
 484         }
 485
 486         if (wd != NULL) {
 487                 printf("%s: syntax error describing %s\n",
 488                     fname, this);
 489                 exit(1);
 490         }
 491         if (tp == NULL)
 492                 tp = new_fent();
 493         tp->f_fn = this;
 494         tp->f_type = filetype;
 495         tp->f_flags = 0;
 496         if (configdep)
 497                 tp->f_flags |= CONFIGDEP;
 498         if (imp_rule)
 499                 tp->f_flags |= NO_IMPLCT_RULE;
 500         if (no_obj)
 501                 tp->f_flags |= NO_OBJ;
 502         if (before_depend)
 503                 tp->f_flags |= BEFORE_DEPEND;
 504         if (nowerror)
 505                 tp->f_flags |= NOWERROR;
 506         if (imp_rule)
 507                 tp->f_flags |= NO_IMPLCT_RULE;
 508         if (no_obj)
 509                 tp->f_flags |= NO_OBJ;
 510         tp->f_needs = needs;
 511         tp->f_special = special;
 512         tp->f_depends = depends;
 513         tp->f_clean = clean;
 514         tp->f_warn = warning;
 515         if (pf && pf->f_type == INVISIBLE)
 516                 pf->f_flags = 1;                /* mark as duplicate */
 517         goto next;
 518 }
 519
 520 static int
 521 opteq(char *cp, char *dp)
 522 {
 523         char c, d;
 524
 525         for (;; cp++, dp++) {
 526                 if (*cp != *dp) {
 527                         c = isupper(*cp) ? tolower(*cp) : *cp;
 528                         d = isupper(*dp) ? tolower(*dp) : *dp;
 529                         if (c != d)
 530                                 return(0);
 531                 }
 532                 if (*cp == 0)
 533                         return(1);
 534         }
 535 }
 536
 537 static void
 538 do_before_depend(FILE *fp)
 539 {
 540         struct file_list *tp;
 541         int lpos, len;
 542
 543         fputs("BEFORE_DEPEND=", fp);
 544         lpos = 15;
 545         for (tp = ftab; tp != NULL; tp = tp->f_next)
 546                 if (tp->f_flags & BEFORE_DEPEND) {
 547                         len = strlen(tp->f_fn);
 548                         if ((len = 3 + len) + lpos > 72) {
 549                                 lpos = 8;
 550                                 fputs("\\\n\t", fp);
 551                         }
 552                         if (tp->f_flags & NO_IMPLCT_RULE)
 553                                 fprintf(fp, "%s ", tp->f_fn);
 554                         else
 555                                 fprintf(fp, "$S/%s ", tp->f_fn);
 556                         lpos += len + 1;
 557                 }
 558         if (lpos != 8)
 559                 putc('\n', fp);
 560 }
 561
 562 static void
 563 do_objs(FILE *fp)
 564 {
 565         struct file_list *tp;
 566         int lpos, len;
 567         char *cp, och, *sp;
 568
 569         fprintf(fp, "OBJS=");
 570         lpos = 6;
 571         for (tp = ftab; tp != NULL; tp = tp->f_next) {
 572                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 573                         continue;
 574                 sp = tail(tp->f_fn);
 575                 cp = sp + (len = strlen(sp)) - 1;
 576                 och = *cp;
 577                 *cp = 'o';
 578                 if (len + lpos > 72) {
 579                         lpos = 8;
 580                         fprintf(fp, "\\\n\t");
 581                 }
 582                 fprintf(fp, "%s ", sp);
 583                 lpos += len + 1;
 584                 *cp = och;
 585         }
 586         if (lpos != 8)
 587                 putc('\n', fp);
 588 }
 589
 590 static void
 591 do_cfiles(FILE *fp)
 592 {
 593         struct file_list *tp;
 594         int lpos, len;
 595
 596         fputs("CFILES=", fp);
 597         lpos = 8;
 598         for (tp = ftab; tp != NULL; tp = tp->f_next)
 599                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 600                         len = strlen(tp->f_fn);
 601                         if (tp->f_fn[len - 1] != 'c')
 602                                 continue;
 603                         if ((len = 3 + len) + lpos > 72) {
 604                                 lpos = 8;
 605                                 fputs("\\\n\t", fp);
 606                         }
 607                         if (tp->f_type != LOCAL)
 608                                 fprintf(fp, "$S/%s ", tp->f_fn);
 609                         else
 610                                 fprintf(fp, "%s ", tp->f_fn);
 611
 612                         lpos += len + 1;
 613                 }
 614         if (lpos != 8)
 615                 putc('\n', fp);
 616 }
 617
 618 static void
 619 do_mfiles(FILE *fp)
 620 {
 621         struct file_list *tp;
 622         int lpos, len;
 623
 624         fputs("MFILES=", fp);
 625         lpos = 8;
 626         for (tp = ftab; tp != NULL; tp = tp->f_next)
 627                 if (tp->f_type != INVISIBLE) {
 628                         len = strlen(tp->f_fn);
 629                         if (tp->f_fn[len - 1] != 'm' || tp->f_fn[len - 2] != '.')
 630                                 continue;
 631                         if ((len = 3 + len) + lpos > 72) {
 632                                 lpos = 8;
 633                                 fputs("\\\n\t", fp);
 634                         }
 635                         fprintf(fp, "$S/%s ", tp->f_fn);
 636                         lpos += len + 1;
 637                 }
 638         if (lpos != 8)
 639                 putc('\n', fp);
 640 }
 641
 642 static void
 643 do_sfiles(FILE *fp)
 644 {
 645         struct file_list *tp;
 646         int lpos, len;
 647
 648         fputs("SFILES=", fp);
 649         lpos = 8;
 650         for (tp = ftab; tp != NULL; tp = tp->f_next)
 651                 if (tp->f_type != INVISIBLE) {
 652                         len = strlen(tp->f_fn);
 653                         if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
 654                                 continue;
 655                         if ((len = 3 + len) + lpos > 72) {
 656                                 lpos = 8;
 657                                 fputs("\\\n\t", fp);
 658                         }
 659                         fprintf(fp, "$S/%s ", tp->f_fn);
 660                         lpos += len + 1;
 661                 }
 662         if (lpos != 8)
 663                 putc('\n', fp);
 664 }
 665
 666
 667 static char *
 668 tail(char *fn)
 669 {
 670         char *cp;
 671
 672         cp = strrchr(fn, '/');
 673         if (cp == NULL)
 674                 return(fn);
 675         return(cp + 1);
 676 }
 677
 678 /*
 679  * Create the makerules for each file
 680  * which is part of the system.
 681  * Devices are processed with the special c2 option -i
 682  * which avoids any problem areas with i/o addressing
 683  * (e.g. for the VAX); assembler files are processed by as.
 684  */
 685 static void
 686 do_rules(FILE *f)
 687 {
 688         char *cp, *np, och;
 689         struct file_list *ftp;
 690         char *special;
 691
 692         for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
 693                 if (ftp->f_type == INVISIBLE)
 694                         continue;
 695                 if (ftp->f_warn != NULL)
 696                         printf("WARNING: %s\n", ftp->f_warn);
 697                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 698                 och = *cp;
 699                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 700                         if (ftp->f_depends)
 701                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 702                         else
 703                                 fprintf(f, "%s: \n", np);
 704                 }
 705                 else {
 706                         *cp = '\0';
 707                         if (och == 'o') {
 708                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 709                                         tail(np), np);
 710                                 continue;
 711                         }
 712                         if (ftp->f_depends)
 713                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 714                                         np, och, ftp->f_depends);
 715                         else
 716                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 717                                         np, och);
 718                 }
 719                 special = ftp->f_special;
 720                 if (special == NULL) {
 721                         const char *ftype = NULL;
 722                         static char cmd[128];
 723
 724                         switch (ftp->f_type) {
 725
 726                         case NORMAL:
 727                                 ftype = "NORMAL";
 728                                 break;
 729
 730                         default:
 731                                 printf("config: don't know rules for %s\n", np);
 732                                 break;
 733                         }
 734                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}%s",
 735                             ftype, toupper(och),
 736                             ftp->f_flags & CONFIGDEP ? "_C" : "",
 737                             ftp->f_flags & NOWERROR ? "" : " ${WERROR}");
 738                         special = cmd;
 739                 }
 740                 *cp = och;
 741                 fprintf(f, "\t%s\n\n", special);
 742         }
 743 }
 744
 745 static void
 746 do_clean(FILE *fp)
 747 {
 748         struct file_list *tp;
 749         int lpos, len;
 750
 751         fputs("CLEAN=", fp);
 752         lpos = 7;
 753         for (tp = ftab; tp != NULL; tp = tp->f_next)
 754                 if (tp->f_clean) {
 755                         len = strlen(tp->f_clean);
 756                         if (len + lpos > 72) {
 757                                 lpos = 8;
 758                                 fputs("\\\n\t", fp);
 759                         }
 760                         fprintf(fp, "%s ", tp->f_clean);
 761                         lpos += len + 1;
 762                 }
 763         if (lpos != 8)
 764                 putc('\n', fp);
 765 }
 766
 767 char *
 768 raisestr(char *str)
 769 {
 770         char *cp = str;
 771
 772         while (*str) {
 773                 if (islower(*str))
 774                         *str = toupper(*str);
 775                 str++;
 776         }
 777         return(cp);
 778 }