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