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                 fprintf(ofp, " -DGPROF");
 168
 169         if (cputype == 0) {
 170                 printf("cpu type must be specified\n");
 171                 exit(1);
 172         }
 173         fprintf(ofp, "\n");
 174         for (op = mkopt; op != NULL; op = op->op_next)
 175                 fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
 176         if (debugging)
 177                 fprintf(ofp, "DEBUG=-g\n");
 178         if (profiling) {
 179                 fprintf(ofp, "PROF=-pg\n");
 180                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 181         }
 182         if (*srcdir != '\0')
 183                 fprintf(ofp,"S=%s\n", srcdir);
 184         while (fgets(line, BUFSIZ, ifp) != 0) {
 185                 if (*line != '%') {
 186                         fprintf(ofp, "%s", line);
 187                         continue;
 188                 }
 189                 if (strcmp(line, "%BEFORE_DEPEND\n") == 0)
 190                         do_before_depend(ofp);
 191                 else if (strcmp(line, "%OBJS\n") == 0)
 192                         do_objs(ofp);
 193                 else if (strcmp(line, "%MFILES\n") == 0)
 194                         do_mfiles(ofp);
 195                 else if (strcmp(line, "%CFILES\n") == 0)
 196                         do_cfiles(ofp);
 197                 else if (strcmp(line, "%SFILES\n") == 0)
 198                         do_sfiles(ofp);
 199                 else if (strcmp(line, "%RULES\n") == 0)
 200                         do_rules(ofp);
 201                 else if (strcmp(line, "%CLEAN\n") == 0)
 202                         do_clean(ofp);
 203                 else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
 204                         versreq = atoi(line + sizeof("%VERSREQ=") - 1);
 205                         if (versreq != CONFIGVERS) {
 206                                 fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n");
 207                                 fprintf(stderr, "config version = %d, ", CONFIGVERS);
 208                                 fprintf(stderr, "version required = %d\n\n", versreq);
 209                                 fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
 210                                 fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
 211                                 fprintf(stderr, "before trying this again.\n\n");
 212                                 fprintf(stderr, "If running the new config fails check your config\n");
 213                                 fprintf(stderr, "file against the GENERIC or LINT config files for\n");
 214                                 fprintf(stderr, "changes in config syntax, or option/device naming\n");
 215                                 fprintf(stderr, "conventions\n\n");
 216                                 exit(1);
 217                         }
 218                 } else
 219                         fprintf(stderr,
 220                             "Unknown %% construct in generic makefile: %s",
 221                             line);
 222         }
 223         fclose(ifp);
 224         fclose(ofp);
 225         moveifchanged(path("Makefile.new"), path("Makefile"));
 226 }
 227
 228 /*
 229  * Read in the information about files used in making the system.
 230  * Store it in the ftab linked list.
 231  */
 232 static void
 233 read_files(void)
 234 {
 235         FILE *fp;
 236         struct file_list *tp, *pf;
 237         struct device *dp;
 238         struct device *save_dp;
 239         struct opt *op;
 240         char *wd, *this, *needs, *special, *depends, *clean, *warning;
 241         char fname[MAXPATHLEN];
 242         int nonoptional;
 243         int nreqs, first = 1, configdep, isdup, std, filetype,
 244             imp_rule, no_obj, before_depend, nowerror, mandatory;
 245
 246         ftab = 0;
 247         save_dp = NULL;
 248         if (ident == NULL) {
 249                 printf("no ident line specified\n");
 250                 exit(1);
 251         }
 252         snprintf(fname, sizeof(fname), "../conf/files");
 253 openit:
 254         fp = fopen(fname, "r");
 255         if (fp == NULL)
 256                 err(1, "%s", fname);
 257 next:
 258         /*
 259          * filename    [ standard | mandatory | optional ] [ config-dependent ]
 260          *      [ dev* | profiling-routine ] [ no-obj ]
 261          *      [ compile-with "compile rule" [no-implicit-rule] ]
 262          *      [ dependency "dependency-list"] [ before-depend ]
 263          *      [ clean "file-list"] [ warning "text warning" ]
 264          */
 265         wd = get_word(fp);
 266         if (wd == (char *)EOF) {
 267                 fclose(fp);
 268                 if (first == 1) {
 269                         first++;
 270                         snprintf(fname, sizeof(fname),
 271                             "../platform/%s/conf/files",
 272                             platformname);
 273                         fp = fopen(fname, "r");
 274                         if (fp != NULL)
 275                                 goto next;
 276                         snprintf(fname, sizeof(fname),
 277                             "files.%s", platformname);
 278                         goto openit;
 279                 }
 280                 if (first == 2) {
 281                         first++;
 282                         snprintf(fname, sizeof(fname),
 283                             "files.%s", raisestr(ident));
 284                         fp = fopen(fname, "r");
 285                         if (fp != NULL)
 286                                 goto next;
 287                 }
 288                 return;
 289         }
 290         if (wd == 0)
 291                 goto next;
 292         if (wd[0] == '#')
 293         {
 294                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 295                         ;
 296                 goto next;
 297         }
 298         this = strdup(wd);
 299         next_word(fp, wd);
 300         if (wd == 0) {
 301                 printf("%s: No type for %s.\n",
 302                     fname, this);
 303                 exit(1);
 304         }
 305         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 306                 isdup = 1;
 307         else
 308                 isdup = 0;
 309         tp = 0;
 310         if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
 311                 if (tp->f_type != INVISIBLE || tp->f_flags)
 312                         printf("%s: Local file %s overrides %s.\n",
 313                             fname, this, tp->f_fn);
 314                 else
 315                         printf("%s: Local file %s could override %s"
 316                             " with a different kernel configuration.\n",
 317                             fname, this, tp->f_fn);
 318         }
 319         nreqs = 0;
 320         special = NULL;
 321         depends = NULL;
 322         clean = NULL;
 323         warning = NULL;
 324         configdep = 0;
 325         needs = NULL;
 326         std = mandatory = nonoptional = 0;
 327         imp_rule = 0;
 328         no_obj = 0;
 329         before_depend = 0;
 330         nowerror = 0;
 331         filetype = NORMAL;
 332         if (strcmp(wd, "standard") == 0) {
 333                 std = 1;
 334         } else if (strcmp(wd, "mandatory") == 0) {
 335                 /*
 336                  * If an entry is marked "mandatory", config will abort if
 337                  * it's not called by a configuration line in the config
 338                  * file.  Apart from this, the device is handled like one
 339                  * marked "optional".
 340                  */
 341                 mandatory = 1;
 342         } else if (strcmp(wd, "nonoptional") == 0) {
 343                 nonoptional = 1;
 344         } else if (strcmp(wd, "optional") == 0) {
 345                 /* don't need to do anything */
 346         } else {
 347                 printf("%s: %s must be optional, mandatory or standard\n",
 348                        fname, this);
 349                 printf("Alternatively, your version of config(8) may be out of sync with your\nkernel source.\n");
 350                 exit(1);
 351         }
 352 nextparam:
 353         next_word(fp, wd);
 354         if (wd == NULL)
 355                 goto doneparam;
 356         if (strcmp(wd, "config-dependent") == 0) {
 357                 configdep++;
 358                 goto nextparam;
 359         }
 360         if (strcmp(wd, "no-obj") == 0) {
 361                 no_obj++;
 362                 goto nextparam;
 363         }
 364         if (strcmp(wd, "no-implicit-rule") == 0) {
 365                 if (special == NULL) {
 366                         printf("%s: alternate rule required when "
 367                                "\"no-implicit-rule\" is specified.\n",
 368                                fname);
 369                 }
 370                 imp_rule++;
 371                 goto nextparam;
 372         }
 373         if (strcmp(wd, "before-depend") == 0) {
 374                 before_depend++;
 375                 goto nextparam;
 376         }
 377         if (strcmp(wd, "dependency") == 0) {
 378                 next_quoted_word(fp, wd);
 379                 if (wd == NULL) {
 380                         printf("%s: %s missing compile command string.\n",
 381                                fname, this);
 382                         exit(1);
 383                 }
 384                 depends = strdup(wd);
 385                 goto nextparam;
 386         }
 387         if (strcmp(wd, "clean") == 0) {
 388                 next_quoted_word(fp, wd);
 389                 if (wd == NULL) {
 390                         printf("%s: %s missing clean file list.\n",
 391                                fname, this);
 392                         exit(1);
 393                 }
 394                 clean = strdup(wd);
 395                 goto nextparam;
 396         }
 397         if (strcmp(wd, "compile-with") == 0) {
 398                 next_quoted_word(fp, wd);
 399                 if (wd == NULL) {
 400                         printf("%s: %s missing compile command string.\n",
 401                                fname, this);
 402                         exit(1);
 403                 }
 404                 special = strdup(wd);
 405                 goto nextparam;
 406         }
 407         if (strcmp(wd, "nowerror") == 0) {
 408                 nowerror++;
 409                 goto nextparam;
 410         }
 411         if (strcmp(wd, "warning") == 0) {
 412                 next_quoted_word(fp, wd);
 413                 if (wd == NULL) {
 414                         printf("%s: %s missing warning text string.\n",
 415                                 fname, this);
 416                         exit(1);
 417                 }
 418                 warning = strdup(wd);
 419                 goto nextparam;
 420         }
 421         nreqs++;
 422         if (strcmp(wd, "local") == 0) {
 423                 filetype = LOCAL;
 424                 goto nextparam;
 425         }
 426         if (strcmp(wd, "no-depend") == 0) {
 427                 filetype = NODEPEND;
 428                 goto nextparam;
 429         }
 430         if (strcmp(wd, "device-driver") == 0) {
 431                 printf("%s: `device-driver' flag obsolete.\n", fname);
 432                 exit(1);
 433         }
 434         if (strcmp(wd, "profiling-routine") == 0) {
 435                 filetype = PROFILING;
 436                 goto nextparam;
 437         }
 438         if (needs == 0 && nreqs == 1)
 439                 needs = strdup(wd);
 440         if (isdup)
 441                 goto invis;
 442         for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
 443                 if (strcmp(dp->d_name, wd) == 0) {
 444                         if (std && dp->d_type == PSEUDO_DEVICE &&
 445                             dp->d_count <= 0)
 446                                 dp->d_count = 1;
 447                         goto nextparam;
 448                 }
 449         if (mandatory) {
 450                 printf("%s: mandatory device \"%s\" not found\n",
 451                        fname, wd);
 452                 exit(1);
 453         }
 454         if (std) {
 455                 dp = malloc(sizeof(*dp));
 456                 bzero(dp, sizeof(*dp));
 457                 init_dev(dp);
 458                 dp->d_name = strdup(wd);
 459                 dp->d_type = PSEUDO_DEVICE;
 460                 dp->d_count = 1;
 461                 save_dp->d_next = dp;
 462                 goto nextparam;
 463         }
 464         for (op = opt; op != NULL; op = op->op_next) {
 465                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 466                         if (nreqs == 1) {
 467                                 free(needs);
 468                                 needs = NULL;
 469                         }
 470                         goto nextparam;
 471                 }
 472         }
 473         if (nonoptional) {
 474                 printf("%s: the option \"%s\" MUST be specified\n",
 475                         fname, wd);
 476                 exit(1);
 477         }
 478 invis:
 479         while ((wd = get_word(fp)) != 0)
 480                 ;
 481         if (tp == NULL)
 482                 tp = new_fent();
 483         tp->f_fn = this;
 484         tp->f_type = INVISIBLE;
 485         tp->f_needs = needs;
 486         tp->f_flags = isdup;
 487         tp->f_special = special;
 488         tp->f_depends = depends;
 489         tp->f_clean = clean;
 490         tp->f_warn = warning;
 491         goto next;
 492
 493 doneparam:
 494         if (std == 0 && nreqs == 0) {
 495                 printf("%s: what is %s optional on?\n",
 496                     fname, this);
 497                 exit(1);
 498         }
 499
 500         if (wd != NULL) {
 501                 printf("%s: syntax error describing %s\n",
 502                     fname, this);
 503                 exit(1);
 504         }
 505         if (filetype == PROFILING && profiling == 0)
 506                 goto next;
 507         if (tp == NULL)
 508                 tp = new_fent();
 509         tp->f_fn = this;
 510         tp->f_type = filetype;
 511         tp->f_flags = 0;
 512         if (configdep)
 513                 tp->f_flags |= CONFIGDEP;
 514         if (imp_rule)
 515                 tp->f_flags |= NO_IMPLCT_RULE;
 516         if (no_obj)
 517                 tp->f_flags |= NO_OBJ;
 518         if (before_depend)
 519                 tp->f_flags |= BEFORE_DEPEND;
 520         if (nowerror)
 521                 tp->f_flags |= NOWERROR;
 522         if (imp_rule)
 523                 tp->f_flags |= NO_IMPLCT_RULE;
 524         if (no_obj)
 525                 tp->f_flags |= NO_OBJ;
 526         tp->f_needs = needs;
 527         tp->f_special = special;
 528         tp->f_depends = depends;
 529         tp->f_clean = clean;
 530         tp->f_warn = warning;
 531         if (pf && pf->f_type == INVISIBLE)
 532                 pf->f_flags = 1;                /* mark as duplicate */
 533         goto next;
 534 }
 535
 536 static int
 537 opteq(char *cp, char *dp)
 538 {
 539         char c, d;
 540
 541         for (;; cp++, dp++) {
 542                 if (*cp != *dp) {
 543                         c = isupper(*cp) ? tolower(*cp) : *cp;
 544                         d = isupper(*dp) ? tolower(*dp) : *dp;
 545                         if (c != d)
 546                                 return(0);
 547                 }
 548                 if (*cp == 0)
 549                         return(1);
 550         }
 551 }
 552
 553 static void
 554 do_before_depend(FILE *fp)
 555 {
 556         struct file_list *tp;
 557         int lpos, len;
 558
 559         fputs("BEFORE_DEPEND=", fp);
 560         lpos = 15;
 561         for (tp = ftab; tp != NULL; tp = tp->f_next)
 562                 if (tp->f_flags & BEFORE_DEPEND) {
 563                         len = strlen(tp->f_fn);
 564                         if ((len = 3 + len) + lpos > 72) {
 565                                 lpos = 8;
 566                                 fputs("\\\n\t", fp);
 567                         }
 568                         if (tp->f_flags & NO_IMPLCT_RULE)
 569                                 fprintf(fp, "%s ", tp->f_fn);
 570                         else
 571                                 fprintf(fp, "$S/%s ", tp->f_fn);
 572                         lpos += len + 1;
 573                 }
 574         if (lpos != 8)
 575                 putc('\n', fp);
 576 }
 577
 578 static void
 579 do_objs(FILE *fp)
 580 {
 581         struct file_list *tp;
 582         int lpos, len;
 583         char *cp, och, *sp;
 584
 585         fprintf(fp, "OBJS=");
 586         lpos = 6;
 587         for (tp = ftab; tp != NULL; tp = tp->f_next) {
 588                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 589                         continue;
 590                 sp = tail(tp->f_fn);
 591                 cp = sp + (len = strlen(sp)) - 1;
 592                 och = *cp;
 593                 *cp = 'o';
 594                 if (len + lpos > 72) {
 595                         lpos = 8;
 596                         fprintf(fp, "\\\n\t");
 597                 }
 598                 fprintf(fp, "%s ", sp);
 599                 lpos += len + 1;
 600                 *cp = och;
 601         }
 602         if (lpos != 8)
 603                 putc('\n', fp);
 604 }
 605
 606 static void
 607 do_cfiles(FILE *fp)
 608 {
 609         struct file_list *tp;
 610         int lpos, len;
 611
 612         fputs("CFILES=", fp);
 613         lpos = 8;
 614         for (tp = ftab; tp != NULL; tp = tp->f_next)
 615                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 616                         len = strlen(tp->f_fn);
 617                         if (tp->f_fn[len - 1] != 'c')
 618                                 continue;
 619                         if ((len = 3 + len) + lpos > 72) {
 620                                 lpos = 8;
 621                                 fputs("\\\n\t", fp);
 622                         }
 623                         if (tp->f_type != LOCAL)
 624                                 fprintf(fp, "$S/%s ", tp->f_fn);
 625                         else
 626                                 fprintf(fp, "%s ", tp->f_fn);
 627
 628                         lpos += len + 1;
 629                 }
 630         if (lpos != 8)
 631                 putc('\n', fp);
 632 }
 633
 634 static void
 635 do_mfiles(FILE *fp)
 636 {
 637         struct file_list *tp;
 638         int lpos, len;
 639
 640         fputs("MFILES=", fp);
 641         lpos = 8;
 642         for (tp = ftab; tp != NULL; tp = tp->f_next)
 643                 if (tp->f_type != INVISIBLE) {
 644                         len = strlen(tp->f_fn);
 645                         if (tp->f_fn[len - 1] != 'm' || tp->f_fn[len - 2] != '.')
 646                                 continue;
 647                         if ((len = 3 + len) + lpos > 72) {
 648                                 lpos = 8;
 649                                 fputs("\\\n\t", fp);
 650                         }
 651                         fprintf(fp, "$S/%s ", tp->f_fn);
 652                         lpos += len + 1;
 653                 }
 654         if (lpos != 8)
 655                 putc('\n', fp);
 656 }
 657
 658 static void
 659 do_sfiles(FILE *fp)
 660 {
 661         struct file_list *tp;
 662         int lpos, len;
 663
 664         fputs("SFILES=", fp);
 665         lpos = 8;
 666         for (tp = ftab; tp != NULL; tp = tp->f_next)
 667                 if (tp->f_type != INVISIBLE) {
 668                         len = strlen(tp->f_fn);
 669                         if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
 670                                 continue;
 671                         if ((len = 3 + len) + lpos > 72) {
 672                                 lpos = 8;
 673                                 fputs("\\\n\t", fp);
 674                         }
 675                         fprintf(fp, "$S/%s ", tp->f_fn);
 676                         lpos += len + 1;
 677                 }
 678         if (lpos != 8)
 679                 putc('\n', fp);
 680 }
 681
 682
 683 static char *
 684 tail(char *fn)
 685 {
 686         char *cp;
 687
 688         cp = strrchr(fn, '/');
 689         if (cp == 0)
 690                 return(fn);
 691         return(cp + 1);
 692 }
 693
 694 /*
 695  * Create the makerules for each file
 696  * which is part of the system.
 697  * Devices are processed with the special c2 option -i
 698  * which avoids any problem areas with i/o addressing
 699  * (e.g. for the VAX); assembler files are processed by as.
 700  */
 701 static void
 702 do_rules(FILE *f)
 703 {
 704         char *cp, *np, och, *tp;
 705         struct file_list *ftp;
 706         char *special;
 707
 708         for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
 709                 if (ftp->f_type == INVISIBLE)
 710                         continue;
 711                 if (ftp->f_warn != NULL)
 712                         printf("WARNING: %s\n", ftp->f_warn);
 713                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 714                 och = *cp;
 715                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 716                         if (ftp->f_depends)
 717                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 718                         else
 719                                 fprintf(f, "%s: \n", np);
 720                 }
 721                 else {
 722                         *cp = '\0';
 723                         if (och == 'o') {
 724                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 725                                         tail(np), np);
 726                                 continue;
 727                         }
 728                         if (ftp->f_depends)
 729                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 730                                         np, och, ftp->f_depends);
 731                         else
 732                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 733                                         np, och);
 734                 }
 735                 tp = tail(np);
 736                 special = ftp->f_special;
 737                 if (special == NULL) {
 738                         const char *ftype = NULL;
 739                         static char cmd[128];
 740
 741                         switch (ftp->f_type) {
 742
 743                         case NORMAL:
 744                                 ftype = "NORMAL";
 745                                 break;
 746
 747                         case PROFILING:
 748                                 if (!profiling)
 749                                         continue;
 750                                 ftype = "PROFILE";
 751                                 break;
 752
 753                         default:
 754                                 printf("config: don't know rules for %s\n", np);
 755                                 break;
 756                         }
 757                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}%s",
 758                             ftype, toupper(och),
 759                             ftp->f_flags & CONFIGDEP ? "_C" : "",
 760                             ftp->f_flags & NOWERROR ? "" : " ${WERROR}");
 761                         special = cmd;
 762                 }
 763                 *cp = och;
 764                 fprintf(f, "\t%s\n\n", special);
 765         }
 766 }
 767
 768 static void
 769 do_clean(FILE *fp)
 770 {
 771         struct file_list *tp;
 772         int lpos, len;
 773
 774         fputs("CLEAN=", fp);
 775         lpos = 7;
 776         for (tp = ftab; tp != NULL; tp = tp->f_next)
 777                 if (tp->f_clean) {
 778                         len = strlen(tp->f_clean);
 779                         if (len + lpos > 72) {
 780                                 lpos = 8;
 781                                 fputs("\\\n\t", fp);
 782                         }
 783                         fprintf(fp, "%s ", tp->f_clean);
 784                         lpos += len + 1;
 785                 }
 786         if (lpos != 8)
 787                 putc('\n', fp);
 788 }
 789
 790 char *
 791 raisestr(char *str)
 792 {
 793         char *cp = str;
 794
 795         while (*str) {
 796                 if (islower(*str))
 797                         *str = toupper(*str);
 798                 str++;
 799         }
 800         return(cp);
 801 }