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 char *tail(char *);
  73 static void do_clean(FILE *);
  74 static void do_rules(FILE *);
  75 static void do_xxfiles(char *, FILE *);
  76 static void do_objs(FILE *);
  77 static void do_before_depend(FILE *);
  78 static int opteq(const char *, const char *);
  79 static void read_files(void);
  80
  81 /*
  82  * Lookup a file, by name.
  83  */
  84 static struct file_list *
  85 fl_lookup(char *file)
  86 {
  87         struct file_list *fp;
  88
  89         STAILQ_FOREACH(fp, &ftab, f_next) {
  90                 if (eq(fp->f_fn, file))
  91                         return (fp);
  92         }
  93         return (0);
  94 }
  95
  96 /*
  97  * Make a new file list entry
  98  */
  99 static struct file_list *
 100 new_fent(void)
 101 {
 102         struct file_list *fp;
 103
 104         fp = (struct file_list *) malloc(sizeof *fp);
 105         bzero(fp, sizeof *fp);
 106         STAILQ_INSERT_TAIL(&ftab, fp, f_next);
 107         return (fp);
 108 }
 109
 110 /*
 111  * Build the makefile from the skeleton
 112  */
 113 void
 114 makefile(void)
 115 {
 116         FILE *ifp, *ofp;
 117         char line[BUFSIZ];
 118         struct opt *op;
 119         int versreq;
 120         char *s;
 121
 122         read_files();
 123         snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
 124         ifp = fopen(line, "r");
 125         if (ifp == 0) {
 126                 snprintf(line, sizeof(line), "Makefile.%s", machinename);
 127                 ifp = fopen(line, "r");
 128         }
 129         if (ifp == 0)
 130                 err(1, "%s", line);
 131
 132         /* XXX this check seems to be misplaced. */
 133         if (SLIST_EMPTY(&cputype)) {
 134                 printf("cpu type must be specified\n");
 135                 exit(1);
 136         }
 137
 138         ofp = fopen(path("Makefile.new"), "w");
 139         if (ofp == 0)
 140                 err(1, "%s", path("Makefile.new"));
 141         fprintf(ofp, "KERN_IDENT=%s\n", ident);
 142         SLIST_FOREACH(op, &mkopt, op_next)
 143                 fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
 144         if (debugging)
 145                 fprintf(ofp, "DEBUG=-g\n");
 146         if (profiling)
 147                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 148         if (*srcdir != '\0')
 149                 fprintf(ofp,"S=%s\n", srcdir);
 150         while (fgets(line, BUFSIZ, ifp) != 0) {
 151                 if (*line != '%') {
 152                         fprintf(ofp, "%s", line);
 153                         continue;
 154                 }
 155                 if (eq(line, "%BEFORE_DEPEND\n"))
 156                         do_before_depend(ofp);
 157                 else if (eq(line, "%OBJS\n"))
 158                         do_objs(ofp);
 159                 else if (strncmp(line, "%FILES.", 7) == 0)
 160                         do_xxfiles(line, ofp);
 161                 else if (eq(line, "%RULES\n"))
 162                         do_rules(ofp);
 163                 else if (eq(line, "%CLEAN\n"))
 164                         do_clean(ofp);
 165                 else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
 166                         versreq = atoi(line + sizeof("%VERSREQ=") - 1);
 167                         if (versreq != CONFIGVERS) {
 168                                 fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n");
 169                                 fprintf(stderr, "config version = %d, ", CONFIGVERS);
 170                                 fprintf(stderr, "version required = %d\n\n", versreq);
 171                                 fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
 172                                 fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
 173                                 fprintf(stderr, "before trying this again.\n\n");
 174                                 fprintf(stderr, "If running the new config fails check your config\n");
 175                                 fprintf(stderr, "file against the GENERIC or LINT config files for\n");
 176                                 fprintf(stderr, "changes in config syntax, or option/device naming\n");
 177                                 fprintf(stderr, "conventions\n\n");
 178                                 exit(1);
 179                         }
 180                 } else
 181                         fprintf(stderr,
 182                             "Unknown %% construct in generic makefile: %s",
 183                             line);
 184         }
 185         (void) fclose(ifp);
 186         (void) fclose(ofp);
 187         moveifchanged(path("Makefile.new"), path("Makefile"));
 188
 189         /* XXX makefile() should make the Makefile, not hints.c. */
 190         if (hints) {
 191                 ifp = fopen(hints, "r");
 192                 if (ifp == NULL)
 193                         err(1, "%s", hints);
 194         } else {
 195                 ifp = NULL;
 196         }
 197         ofp = fopen(path("hints.c.new"), "w");
 198         if (ofp == NULL)
 199                 err(1, "%s", path("hints.c.new"));
 200         fprintf(ofp, "#include <sys/types.h>\n");
 201         fprintf(ofp, "#include <sys/systm.h>\n");
 202         fprintf(ofp, "\n");
 203         fprintf(ofp, "int hintmode = %d;\n", hintmode);
 204         fprintf(ofp, "char static_hints[] = {\n");
 205         if (ifp) {
 206                 while (fgets(line, BUFSIZ, ifp) != 0) {
 207                         /* zap trailing CR and/or LF */
 208                         while ((s = rindex(line, '\n')) != NULL)
 209                                 *s = '\0';
 210                         while ((s = rindex(line, '\r')) != NULL)
 211                                 *s = '\0';
 212                         /* remove # comments */
 213                         s = index(line, '#');
 214                         if (s)
 215                                 *s = '\0';
 216                         /* remove any whitespace and " characters */
 217                         s = line;
 218                         while (*s) {
 219                                 if (*s == ' ' || *s == '\t' || *s == '"') {
 220                                         while (*s) {
 221                                                 s[0] = s[1];
 222                                                 s++;
 223                                         }
 224                                         /* start over */
 225                                         s = line;
 226                                         continue;
 227                                 }
 228                                 s++;
 229                         }
 230                         /* anything left? */
 231                         if (*line == '\0')
 232                                 continue;
 233                         fprintf(ofp, "\"%s\\0\"\n", line);
 234                 }
 235         }
 236         fprintf(ofp, "\"\\0\"\n};\n");
 237         if (ifp)
 238                 fclose(ifp);
 239         fclose(ofp);
 240         moveifchanged(path("hints.c.new"), path("hints.c"));
 241
 242         /* XXX makefile() should make the Makefile, not env.c. */
 243         if (env) {
 244                 ifp = fopen(env, "r");
 245                 if (ifp == NULL)
 246                         err(1, "%s", env);
 247         } else {
 248                 ifp = NULL;
 249         }
 250         ofp = fopen(path("env.c.new"), "w");
 251         if (ofp == NULL)
 252                 err(1, "%s", path("env.c.new"));
 253         fprintf(ofp, "#include <sys/types.h>\n");
 254         fprintf(ofp, "#include <sys/systm.h>\n");
 255         fprintf(ofp, "\n");
 256         fprintf(ofp, "int envmode = %d;\n", envmode);
 257         fprintf(ofp, "char static_env[] = {\n");
 258         if (ifp) {
 259                 while (fgets(line, BUFSIZ, ifp) != 0) {
 260                         /* zap trailing CR and/or LF */
 261                         while ((s = rindex(line, '\n')) != NULL)
 262                                 *s = '\0';
 263                         while ((s = rindex(line, '\r')) != NULL)
 264                                 *s = '\0';
 265                         /* remove # comments */
 266                         s = index(line, '#');
 267                         if (s)
 268                                 *s = '\0';
 269                         /* remove any whitespace and " characters */
 270                         s = line;
 271                         while (*s) {
 272                                 if (*s == ' ' || *s == '\t' || *s == '"') {
 273                                         while (*s) {
 274                                                 s[0] = s[1];
 275                                                 s++;
 276                                         }
 277                                         /* start over */
 278                                         s = line;
 279                                         continue;
 280                                 }
 281                                 s++;
 282                         }
 283                         /* anything left? */
 284                         if (*line == '\0')
 285                                 continue;
 286                         fprintf(ofp, "\"%s\\0\"\n", line);
 287                 }
 288         }
 289         fprintf(ofp, "\"\\0\"\n};\n");
 290         if (ifp)
 291                 fclose(ifp);
 292         fclose(ofp);
 293         moveifchanged(path("env.c.new"), path("env.c"));
 294 }
 295
 296 /*
 297  * Read in the information about files used in making the system.
 298  * Store it in the ftab linked list.
 299  */
 300 static void
 301 read_files(void)
 302 {
 303         FILE *fp;
 304         struct file_list *tp, *pf;
 305         struct device *dp;
 306         struct opt *op;
 307         char *wd, *this, *needs, *compilewith, *depends, *clean, *warning;
 308         char fname[MAXPATHLEN];
 309         int nreqs, first = 1, isdup, std, filetype,
 310             imp_rule, no_obj, needcount, before_depend, mandatory, nowerror;
 311
 312         STAILQ_INIT(&ftab);
 313         if (ident == NULL) {
 314                 printf("no ident line specified\n");
 315                 exit(1);
 316         }
 317         (void) snprintf(fname, sizeof(fname), "../../conf/files");
 318 openit:
 319         fp = fopen(fname, "r");
 320         if (fp == 0)
 321                 err(1, "%s", fname);
 322 next:
 323         /*
 324          * filename    [ standard | mandatory | optional | count ]
 325          *      [ dev* | profiling-routine ] [ no-obj ]
 326          *      [ compile-with "compile rule" [no-implicit-rule] ]
 327          *      [ dependency "dependency-list"] [ before-depend ]
 328          *      [ clean "file-list"] [ warning "text warning" ]
 329          */
 330         wd = get_word(fp);
 331         if (wd == (char *)EOF) {
 332                 (void) fclose(fp);
 333                 if (first == 1) {
 334                         first++;
 335                         (void) snprintf(fname, sizeof(fname),
 336                             "../../conf/files.%s", machinename);
 337                         fp = fopen(fname, "r");
 338                         if (fp != 0)
 339                                 goto next;
 340                         (void) snprintf(fname, sizeof(fname),
 341                             "files.%s", machinename);
 342                         goto openit;
 343                 }
 344                 return;
 345         }
 346         if (wd == 0)
 347                 goto next;
 348         if (wd[0] == '#')
 349         {
 350                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 351                         ;
 352                 goto next;
 353         }
 354         this = ns(wd);
 355         next_word(fp, wd);
 356         if (wd == 0) {
 357                 printf("%s: No type for %s.\n",
 358                     fname, this);
 359                 exit(1);
 360         }
 361         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 362                 isdup = ISDUP;
 363         else
 364                 isdup = 0;
 365         tp = 0;
 366         nreqs = 0;
 367         compilewith = 0;
 368         depends = 0;
 369         clean = 0;
 370         warning = 0;
 371         needs = 0;
 372         std = mandatory = 0;
 373         imp_rule = 0;
 374         no_obj = 0;
 375         needcount = 0;
 376         before_depend = 0;
 377         nowerror = 0;
 378         filetype = NORMAL;
 379         if (eq(wd, "standard")) {
 380                 std = 1;
 381         /*
 382          * If an entry is marked "mandatory", config will abort if it's
 383          * not called by a configuration line in the config file.  Apart
 384          * from this, the device is handled like one marked "optional".
 385          */
 386         } else if (eq(wd, "mandatory")) {
 387                 mandatory = 1;
 388         } else if (eq(wd, "count")) {
 389                 needcount = 1;
 390         } else if (!eq(wd, "optional")) {
 391                 printf("%s: %s must be count, optional, mandatory or standard\n",
 392                        fname, this);
 393                 exit(1);
 394         }
 395 nextparam:
 396         next_word(fp, wd);
 397         if (wd == 0) {
 398                 if (isdup)
 399                         goto next;
 400                 goto doneparam;
 401         }
 402         if (eq(wd, "no-obj")) {
 403                 no_obj++;
 404                 goto nextparam;
 405         }
 406         if (eq(wd, "no-implicit-rule")) {
 407                 if (compilewith == 0) {
 408                         printf("%s: alternate rule required when "
 409                                "\"no-implicit-rule\" is specified.\n",
 410                                fname);
 411                 }
 412                 imp_rule++;
 413                 goto nextparam;
 414         }
 415         if (eq(wd, "before-depend")) {
 416                 before_depend++;
 417                 goto nextparam;
 418         }
 419         if (eq(wd, "dependency")) {
 420                 next_quoted_word(fp, wd);
 421                 if (wd == 0) {
 422                         printf("%s: %s missing compile command string.\n",
 423                                fname, this);
 424                         exit(1);
 425                 }
 426                 depends = ns(wd);
 427                 goto nextparam;
 428         }
 429         if (eq(wd, "clean")) {
 430                 next_quoted_word(fp, wd);
 431                 if (wd == 0) {
 432                         printf("%s: %s missing clean file list.\n",
 433                                fname, this);
 434                         exit(1);
 435                 }
 436                 clean = ns(wd);
 437                 goto nextparam;
 438         }
 439         if (eq(wd, "compile-with")) {
 440                 next_quoted_word(fp, wd);
 441                 if (wd == 0) {
 442                         printf("%s: %s missing compile command string.\n",
 443                                fname, this);
 444                         exit(1);
 445                 }
 446                 compilewith = ns(wd);
 447                 goto nextparam;
 448         }
 449         if (eq(wd, "warning")) {
 450                 next_quoted_word(fp, wd);
 451                 if (wd == 0) {
 452                         printf("%s: %s missing warning text string.\n",
 453                                 fname, this);
 454                         exit(1);
 455                 }
 456                 warning = ns(wd);
 457                 goto nextparam;
 458         }
 459         nreqs++;
 460         if (eq(wd, "local")) {
 461                 filetype = LOCAL;
 462                 goto nextparam;
 463         }
 464         if (eq(wd, "no-depend")) {
 465                 filetype = NODEPEND;
 466                 goto nextparam;
 467         }
 468         if (eq(wd, "profiling-routine")) {
 469                 filetype = PROFILING;
 470                 goto nextparam;
 471         }
 472         if (eq(wd, "nowerror")) {
 473                 nowerror = 1;
 474                 goto nextparam;
 475         }
 476         if (needs == 0 && nreqs == 1)
 477                 needs = ns(wd);
 478         if (isdup)
 479                 goto invis;
 480         STAILQ_FOREACH(dp, &dtab, d_next)
 481                 if (eq(dp->d_name, wd)) {
 482                         if (std && dp->d_count <= 0)
 483                                 dp->d_count = 1;
 484                         goto nextparam;
 485                 }
 486         if (mandatory) {
 487                 printf("%s: mandatory device \"%s\" not found\n",
 488                        fname, wd);
 489                 exit(1);
 490         }
 491         if (std) {
 492                 printf("standard entry %s has a device keyword - %s!\n",
 493                        this, wd);
 494                 exit(1);
 495         }
 496         SLIST_FOREACH(op, &opt, op_next)
 497                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 498                         if (nreqs == 1) {
 499                                 free(needs);
 500                                 needs = 0;
 501                         }
 502                         goto nextparam;
 503                 }
 504 invis:
 505         while ((wd = get_word(fp)) != 0)
 506                 ;
 507         if (tp == 0)
 508                 tp = new_fent();
 509         tp->f_fn = this;
 510         tp->f_type = INVISIBLE;
 511         tp->f_needs = needs;
 512         tp->f_flags |= isdup;
 513         if (needcount)
 514                 tp->f_flags |= NEED_COUNT;
 515         tp->f_compilewith = compilewith;
 516         tp->f_depends = depends;
 517         tp->f_clean = clean;
 518         tp->f_warn = warning;
 519         goto next;
 520
 521 doneparam:
 522         if (std == 0 && nreqs == 0) {
 523                 printf("%s: what is %s optional on?\n",
 524                     fname, this);
 525                 exit(1);
 526         }
 527
 528         if (wd) {
 529                 printf("%s: syntax error describing %s\n",
 530                     fname, this);
 531                 exit(1);
 532         }
 533         if (filetype == PROFILING && profiling == 0)
 534                 goto next;
 535         if (tp == 0)
 536                 tp = new_fent();
 537         tp->f_fn = this;
 538         tp->f_type = filetype;
 539         tp->f_flags &= ~ISDUP;
 540         if (imp_rule)
 541                 tp->f_flags |= NO_IMPLCT_RULE;
 542         if (no_obj)
 543                 tp->f_flags |= NO_OBJ;
 544         if (before_depend)
 545                 tp->f_flags |= BEFORE_DEPEND;
 546         if (needcount)
 547                 tp->f_flags |= NEED_COUNT;
 548         if (nowerror)
 549                 tp->f_flags |= NOWERROR;
 550         tp->f_needs = needs;
 551         tp->f_compilewith = compilewith;
 552         tp->f_depends = depends;
 553         tp->f_clean = clean;
 554         tp->f_warn = warning;
 555         if (pf && pf->f_type == INVISIBLE)
 556                 pf->f_flags |= ISDUP;           /* mark as duplicate */
 557         goto next;
 558 }
 559
 560 static int
 561 opteq(const char *cp, const char *dp)
 562 {
 563         char c, d;
 564
 565         for (; ; cp++, dp++) {
 566                 if (*cp != *dp) {
 567                         c = isupper(*cp) ? tolower(*cp) : *cp;
 568                         d = isupper(*dp) ? tolower(*dp) : *dp;
 569                         if (c != d)
 570                                 return (0);
 571                 }
 572                 if (*cp == 0)
 573                         return (1);
 574         }
 575 }
 576
 577 static void
 578 do_before_depend(FILE *fp)
 579 {
 580         struct file_list *tp;
 581         int lpos, len;
 582
 583         fputs("BEFORE_DEPEND=", fp);
 584         lpos = 15;
 585         STAILQ_FOREACH(tp, &ftab, f_next)
 586                 if (tp->f_flags & BEFORE_DEPEND) {
 587                         len = strlen(tp->f_fn);
 588                         if ((len = 3 + len) + lpos > 72) {
 589                                 lpos = 8;
 590                                 fputs("\\\n\t", fp);
 591                         }
 592                         if (tp->f_flags & NO_IMPLCT_RULE)
 593                                 fprintf(fp, "%s ", tp->f_fn);
 594                         else
 595                                 fprintf(fp, "$S/%s ", tp->f_fn);
 596                         lpos += len + 1;
 597                 }
 598         if (lpos != 8)
 599                 putc('\n', fp);
 600 }
 601
 602 static void
 603 do_objs(FILE *fp)
 604 {
 605         struct file_list *tp;
 606         int lpos, len;
 607         char *cp, och, *sp;
 608
 609         fprintf(fp, "OBJS=");
 610         lpos = 6;
 611         STAILQ_FOREACH(tp, &ftab, f_next) {
 612                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 613                         continue;
 614                 sp = tail(tp->f_fn);
 615                 cp = sp + (len = strlen(sp)) - 1;
 616                 och = *cp;
 617                 *cp = 'o';
 618                 if (len + lpos > 72) {
 619                         lpos = 8;
 620                         fprintf(fp, "\\\n\t");
 621                 }
 622                 fprintf(fp, "%s ", sp);
 623                 lpos += len + 1;
 624                 *cp = och;
 625         }
 626         if (lpos != 8)
 627                 putc('\n', fp);
 628 }
 629
 630 static void
 631 do_xxfiles(char *tag, FILE *fp)
 632 {
 633         struct file_list *tp;
 634         int lpos, len, slen;
 635         char *suff, *SUFF;
 636
 637         if (tag[strlen(tag) - 1] == '\n')
 638                 tag[strlen(tag) - 1] = '\0';
 639
 640         suff = ns(tag + 7);
 641         SUFF = ns(suff);
 642         raisestr(SUFF);
 643         slen = strlen(suff);
 644
 645         fprintf(fp, "%sFILES=", SUFF);
 646         lpos = 8;
 647         STAILQ_FOREACH(tp, &ftab, f_next)
 648                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 649                         len = strlen(tp->f_fn);
 650                         if (tp->f_fn[len - slen - 1] != '.')
 651                                 continue;
 652                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 653                                 continue;
 654                         if ((len = 3 + len) + lpos > 72) {
 655                                 lpos = 8;
 656                                 fputs("\\\n\t", fp);
 657                         }
 658                         if (tp->f_type != LOCAL)
 659                                 fprintf(fp, "$S/%s ", tp->f_fn);
 660                         else
 661                                 fprintf(fp, "%s ", tp->f_fn);
 662                         lpos += len + 1;
 663                 }
 664         if (lpos != 8)
 665                 putc('\n', fp);
 666 }
 667
 668 static char *
 669 tail(char *fn)
 670 {
 671         char *cp;
 672
 673         cp = rindex(fn, '/');
 674         if (cp == 0)
 675                 return (fn);
 676         return (cp+1);
 677 }
 678
 679 /*
 680  * Create the makerules for each file
 681  * which is part of the system.
 682  */
 683 static void
 684 do_rules(FILE *f)
 685 {
 686         char *cp, *np, och, *tp;
 687         struct file_list *ftp;
 688         char *compilewith;
 689
 690         STAILQ_FOREACH(ftp, &ftab, f_next) {
 691                 if (ftp->f_type == INVISIBLE)
 692                         continue;
 693                 if (ftp->f_warn)
 694                         printf("WARNING: %s\n", ftp->f_warn);
 695                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 696                 och = *cp;
 697                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 698                         if (ftp->f_depends)
 699                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 700                         else
 701                                 fprintf(f, "%s: \n", np);
 702                 }
 703                 else {
 704                         *cp = '\0';
 705                         if (och == 'o') {
 706                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 707                                         tail(np), np);
 708                                 continue;
 709                         }
 710                         if (ftp->f_depends) {
 711                                 fprintf(f, "%sln: $S/%s%c %s\n", tail(np),
 712                                         np, och, ftp->f_depends);
 713                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 714                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 715                                         np, och, ftp->f_depends);
 716                         }
 717                         else {
 718                                 fprintf(f, "%sln: $S/%s%c\n", tail(np),
 719                                         np, och);
 720                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 721                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 722                                         np, och);
 723                         }
 724                 }
 725                 tp = tail(np);
 726                 compilewith = ftp->f_compilewith;
 727                 if (compilewith == 0) {
 728                         const char *ftype = NULL;
 729                         static char cmd[128];
 730
 731                         switch (ftp->f_type) {
 732
 733                         case NORMAL:
 734                                 ftype = "NORMAL";
 735                                 break;
 736
 737                         case PROFILING:
 738                                 if (!profiling)
 739                                         continue;
 740                                 ftype = "PROFILE";
 741                                 break;
 742
 743                         default:
 744                                 printf("config: don't know rules for %s\n", np);
 745                                 break;
 746                         }
 747                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}", ftype,
 748                             toupper(och),
 749                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 750                         compilewith = cmd;
 751                 }
 752                 *cp = och;
 753                 fprintf(f, "\t%s\n\n", compilewith);
 754         }
 755 }
 756
 757 static void
 758 do_clean(FILE *fp)
 759 {
 760         struct file_list *tp;
 761         int lpos, len;
 762
 763         fputs("CLEAN=", fp);
 764         lpos = 7;
 765         STAILQ_FOREACH(tp, &ftab, f_next)
 766                 if (tp->f_clean) {
 767                         len = strlen(tp->f_clean);
 768                         if (len + lpos > 72) {
 769                                 lpos = 8;
 770                                 fputs("\\\n\t", fp);
 771                         }
 772                         fprintf(fp, "%s ", tp->f_clean);
 773                         lpos += len + 1;
 774                 }
 775         if (lpos != 8)
 776                 putc('\n', fp);
 777 }
 778
 779 char *
 780 raisestr(char *str)
 781 {
 782         char *cp = str;
 783
 784         while (*str) {
 785                 if (islower(*str))
 786                         *str = toupper(*str);
 787                 str++;
 788         }
 789         return (cp);
 790 }