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