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 static void
 297 read_file(char *fname)
 298 {
 299         FILE *fp;
 300         struct file_list *tp, *pf;
 301         struct device *dp;
 302         struct opt *op;
 303         char *wd, *this, *needs, *compilewith, *depends, *clean, *warning;
 304         int nreqs, isdup, std, filetype,
 305             imp_rule, no_obj, needcount, before_depend, mandatory, nowerror;
 306
 307         fp = fopen(fname, "r");
 308         if (fp == 0)
 309                 err(1, "%s", fname);
 310 next:
 311         /*
 312          * filename    [ standard | mandatory | optional | count ]
 313          *      [ dev* | profiling-routine ] [ no-obj ]
 314          *      [ compile-with "compile rule" [no-implicit-rule] ]
 315          *      [ dependency "dependency-list"] [ before-depend ]
 316          *      [ clean "file-list"] [ warning "text warning" ]
 317          */
 318         wd = get_word(fp);
 319         if (wd == (char *)EOF) {
 320                 (void) fclose(fp);
 321                 return;
 322         }
 323         if (wd == 0)
 324                 goto next;
 325         if (wd[0] == '#')
 326         {
 327                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 328                         ;
 329                 goto next;
 330         }
 331         this = ns(wd);
 332         next_word(fp, wd);
 333         if (wd == 0) {
 334                 printf("%s: No type for %s.\n",
 335                     fname, this);
 336                 exit(1);
 337         }
 338         if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
 339                 isdup = ISDUP;
 340         else
 341                 isdup = 0;
 342         tp = 0;
 343         nreqs = 0;
 344         compilewith = 0;
 345         depends = 0;
 346         clean = 0;
 347         warning = 0;
 348         needs = 0;
 349         std = mandatory = 0;
 350         imp_rule = 0;
 351         no_obj = 0;
 352         needcount = 0;
 353         before_depend = 0;
 354         nowerror = 0;
 355         filetype = NORMAL;
 356         if (eq(wd, "standard")) {
 357                 std = 1;
 358         /*
 359          * If an entry is marked "mandatory", config will abort if it's
 360          * not called by a configuration line in the config file.  Apart
 361          * from this, the device is handled like one marked "optional".
 362          */
 363         } else if (eq(wd, "mandatory")) {
 364                 mandatory = 1;
 365         } else if (eq(wd, "count")) {
 366                 needcount = 1;
 367         } else if (!eq(wd, "optional")) {
 368                 printf("%s: %s must be count, optional, mandatory or standard\n",
 369                        fname, this);
 370                 exit(1);
 371         }
 372 nextparam:
 373         next_word(fp, wd);
 374         if (wd == 0) {
 375                 if (isdup)
 376                         goto next;
 377                 goto doneparam;
 378         }
 379         if (eq(wd, "no-obj")) {
 380                 no_obj++;
 381                 goto nextparam;
 382         }
 383         if (eq(wd, "no-implicit-rule")) {
 384                 if (compilewith == 0) {
 385                         printf("%s: alternate rule required when "
 386                                "\"no-implicit-rule\" is specified.\n",
 387                                fname);
 388                 }
 389                 imp_rule++;
 390                 goto nextparam;
 391         }
 392         if (eq(wd, "before-depend")) {
 393                 before_depend++;
 394                 goto nextparam;
 395         }
 396         if (eq(wd, "dependency")) {
 397                 next_quoted_word(fp, wd);
 398                 if (wd == 0) {
 399                         printf("%s: %s missing compile command string.\n",
 400                                fname, this);
 401                         exit(1);
 402                 }
 403                 depends = ns(wd);
 404                 goto nextparam;
 405         }
 406         if (eq(wd, "clean")) {
 407                 next_quoted_word(fp, wd);
 408                 if (wd == 0) {
 409                         printf("%s: %s missing clean file list.\n",
 410                                fname, this);
 411                         exit(1);
 412                 }
 413                 clean = ns(wd);
 414                 goto nextparam;
 415         }
 416         if (eq(wd, "compile-with")) {
 417                 next_quoted_word(fp, wd);
 418                 if (wd == 0) {
 419                         printf("%s: %s missing compile command string.\n",
 420                                fname, this);
 421                         exit(1);
 422                 }
 423                 compilewith = ns(wd);
 424                 goto nextparam;
 425         }
 426         if (eq(wd, "warning")) {
 427                 next_quoted_word(fp, wd);
 428                 if (wd == 0) {
 429                         printf("%s: %s missing warning text string.\n",
 430                                 fname, this);
 431                         exit(1);
 432                 }
 433                 warning = ns(wd);
 434                 goto nextparam;
 435         }
 436         nreqs++;
 437         if (eq(wd, "local")) {
 438                 filetype = LOCAL;
 439                 goto nextparam;
 440         }
 441         if (eq(wd, "no-depend")) {
 442                 filetype = NODEPEND;
 443                 goto nextparam;
 444         }
 445         if (eq(wd, "profiling-routine")) {
 446                 filetype = PROFILING;
 447                 goto nextparam;
 448         }
 449         if (eq(wd, "nowerror")) {
 450                 nowerror = 1;
 451                 goto nextparam;
 452         }
 453         if (needs == 0 && nreqs == 1)
 454                 needs = ns(wd);
 455         if (isdup)
 456                 goto invis;
 457         STAILQ_FOREACH(dp, &dtab, d_next)
 458                 if (eq(dp->d_name, wd)) {
 459                         if (std && dp->d_count <= 0)
 460                                 dp->d_count = 1;
 461                         goto nextparam;
 462                 }
 463         if (mandatory) {
 464                 printf("%s: mandatory device \"%s\" not found\n",
 465                        fname, wd);
 466                 exit(1);
 467         }
 468         if (std) {
 469                 printf("standard entry %s has a device keyword - %s!\n",
 470                        this, wd);
 471                 exit(1);
 472         }
 473         SLIST_FOREACH(op, &opt, op_next)
 474                 if (op->op_value == 0 && opteq(op->op_name, wd)) {
 475                         if (nreqs == 1) {
 476                                 free(needs);
 477                                 needs = 0;
 478                         }
 479                         goto nextparam;
 480                 }
 481 invis:
 482         while ((wd = get_word(fp)) != 0)
 483                 ;
 484         if (tp == 0)
 485                 tp = new_fent();
 486         tp->f_fn = this;
 487         tp->f_type = INVISIBLE;
 488         tp->f_needs = needs;
 489         tp->f_flags |= isdup;
 490         if (needcount)
 491                 tp->f_flags |= NEED_COUNT;
 492         tp->f_compilewith = compilewith;
 493         tp->f_depends = depends;
 494         tp->f_clean = clean;
 495         tp->f_warn = warning;
 496         goto next;
 497
 498 doneparam:
 499         if (std == 0 && nreqs == 0) {
 500                 printf("%s: what is %s optional on?\n",
 501                     fname, this);
 502                 exit(1);
 503         }
 504
 505         if (wd) {
 506                 printf("%s: syntax error describing %s\n",
 507                     fname, this);
 508                 exit(1);
 509         }
 510         if (filetype == PROFILING && profiling == 0)
 511                 goto next;
 512         if (tp == 0)
 513                 tp = new_fent();
 514         tp->f_fn = this;
 515         tp->f_type = filetype;
 516         tp->f_flags &= ~ISDUP;
 517         if (imp_rule)
 518                 tp->f_flags |= NO_IMPLCT_RULE;
 519         if (no_obj)
 520                 tp->f_flags |= NO_OBJ;
 521         if (before_depend)
 522                 tp->f_flags |= BEFORE_DEPEND;
 523         if (needcount)
 524                 tp->f_flags |= NEED_COUNT;
 525         if (nowerror)
 526                 tp->f_flags |= NOWERROR;
 527         tp->f_needs = needs;
 528         tp->f_compilewith = compilewith;
 529         tp->f_depends = depends;
 530         tp->f_clean = clean;
 531         tp->f_warn = warning;
 532         if (pf && pf->f_type == INVISIBLE)
 533                 pf->f_flags |= ISDUP;           /* mark as duplicate */
 534         goto next;
 535 }
 536
 537 /*
 538  * Read in the information about files used in making the system.
 539  * Store it in the ftab linked list.
 540  */
 541 static void
 542 read_files(void)
 543 {
 544         char fname[MAXPATHLEN];
 545         struct files_name *nl, *tnl;
 546
 547         if (ident == NULL) {
 548                 printf("no ident line specified\n");
 549                 exit(1);
 550         }
 551         (void) snprintf(fname, sizeof(fname), "../../conf/files");
 552         read_file(fname);
 553         (void) snprintf(fname, sizeof(fname),
 554                         "../../conf/files.%s", machinename);
 555         read_file(fname);
 556         for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
 557                 read_file(nl->f_name);
 558                 tnl = STAILQ_NEXT(nl, f_next);
 559                 free(nl->f_name);
 560                 free(nl);
 561         }
 562 }
 563
 564 static int
 565 opteq(const char *cp, const char *dp)
 566 {
 567         char c, d;
 568
 569         for (; ; cp++, dp++) {
 570                 if (*cp != *dp) {
 571                         c = isupper(*cp) ? tolower(*cp) : *cp;
 572                         d = isupper(*dp) ? tolower(*dp) : *dp;
 573                         if (c != d)
 574                                 return (0);
 575                 }
 576                 if (*cp == 0)
 577                         return (1);
 578         }
 579 }
 580
 581 static void
 582 do_before_depend(FILE *fp)
 583 {
 584         struct file_list *tp;
 585         int lpos, len;
 586
 587         fputs("BEFORE_DEPEND=", fp);
 588         lpos = 15;
 589         STAILQ_FOREACH(tp, &ftab, f_next)
 590                 if (tp->f_flags & BEFORE_DEPEND) {
 591                         len = strlen(tp->f_fn);
 592                         if ((len = 3 + len) + lpos > 72) {
 593                                 lpos = 8;
 594                                 fputs("\\\n\t", fp);
 595                         }
 596                         if (tp->f_flags & NO_IMPLCT_RULE)
 597                                 fprintf(fp, "%s ", tp->f_fn);
 598                         else
 599                                 fprintf(fp, "$S/%s ", tp->f_fn);
 600                         lpos += len + 1;
 601                 }
 602         if (lpos != 8)
 603                 putc('\n', fp);
 604 }
 605
 606 static void
 607 do_objs(FILE *fp)
 608 {
 609         struct file_list *tp;
 610         int lpos, len;
 611         char *cp, och, *sp;
 612
 613         fprintf(fp, "OBJS=");
 614         lpos = 6;
 615         STAILQ_FOREACH(tp, &ftab, f_next) {
 616                 if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
 617                         continue;
 618                 sp = tail(tp->f_fn);
 619                 cp = sp + (len = strlen(sp)) - 1;
 620                 och = *cp;
 621                 *cp = 'o';
 622                 if (len + lpos > 72) {
 623                         lpos = 8;
 624                         fprintf(fp, "\\\n\t");
 625                 }
 626                 fprintf(fp, "%s ", sp);
 627                 lpos += len + 1;
 628                 *cp = och;
 629         }
 630         if (lpos != 8)
 631                 putc('\n', fp);
 632 }
 633
 634 static void
 635 do_xxfiles(char *tag, FILE *fp)
 636 {
 637         struct file_list *tp;
 638         int lpos, len, slen;
 639         char *suff, *SUFF;
 640
 641         if (tag[strlen(tag) - 1] == '\n')
 642                 tag[strlen(tag) - 1] = '\0';
 643
 644         suff = ns(tag + 7);
 645         SUFF = ns(suff);
 646         raisestr(SUFF);
 647         slen = strlen(suff);
 648
 649         fprintf(fp, "%sFILES=", SUFF);
 650         lpos = 8;
 651         STAILQ_FOREACH(tp, &ftab, f_next)
 652                 if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
 653                         len = strlen(tp->f_fn);
 654                         if (tp->f_fn[len - slen - 1] != '.')
 655                                 continue;
 656                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 657                                 continue;
 658                         if ((len = 3 + len) + lpos > 72) {
 659                                 lpos = 8;
 660                                 fputs("\\\n\t", fp);
 661                         }
 662                         if (tp->f_type != LOCAL)
 663                                 fprintf(fp, "$S/%s ", tp->f_fn);
 664                         else
 665                                 fprintf(fp, "%s ", tp->f_fn);
 666                         lpos += len + 1;
 667                 }
 668         if (lpos != 8)
 669                 putc('\n', fp);
 670 }
 671
 672 static char *
 673 tail(char *fn)
 674 {
 675         char *cp;
 676
 677         cp = rindex(fn, '/');
 678         if (cp == 0)
 679                 return (fn);
 680         return (cp+1);
 681 }
 682
 683 /*
 684  * Create the makerules for each file
 685  * which is part of the system.
 686  */
 687 static void
 688 do_rules(FILE *f)
 689 {
 690         char *cp, *np, och, *tp;
 691         struct file_list *ftp;
 692         char *compilewith;
 693
 694         STAILQ_FOREACH(ftp, &ftab, f_next) {
 695                 if (ftp->f_type == INVISIBLE)
 696                         continue;
 697                 if (ftp->f_warn)
 698                         printf("WARNING: %s\n", ftp->f_warn);
 699                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 700                 och = *cp;
 701                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 702                         if (ftp->f_depends)
 703                                 fprintf(f, "%s: %s\n", np, ftp->f_depends);
 704                         else
 705                                 fprintf(f, "%s: \n", np);
 706                 }
 707                 else {
 708                         *cp = '\0';
 709                         if (och == 'o') {
 710                                 fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
 711                                         tail(np), np);
 712                                 continue;
 713                         }
 714                         if (ftp->f_depends) {
 715                                 fprintf(f, "%sln: $S/%s%c %s\n", tail(np),
 716                                         np, och, ftp->f_depends);
 717                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 718                                 fprintf(f, "%so: $S/%s%c %s\n", tail(np),
 719                                         np, och, ftp->f_depends);
 720                         }
 721                         else {
 722                                 fprintf(f, "%sln: $S/%s%c\n", tail(np),
 723                                         np, och);
 724                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 725                                 fprintf(f, "%so: $S/%s%c\n", tail(np),
 726                                         np, och);
 727                         }
 728                 }
 729                 tp = tail(np);
 730                 compilewith = ftp->f_compilewith;
 731                 if (compilewith == 0) {
 732                         const char *ftype = NULL;
 733                         static char cmd[128];
 734
 735                         switch (ftp->f_type) {
 736
 737                         case NORMAL:
 738                                 ftype = "NORMAL";
 739                                 break;
 740
 741                         case PROFILING:
 742                                 if (!profiling)
 743                                         continue;
 744                                 ftype = "PROFILE";
 745                                 break;
 746
 747                         default:
 748                                 printf("config: don't know rules for %s\n", np);
 749                                 break;
 750                         }
 751                         snprintf(cmd, sizeof(cmd), "${%s_%c%s}", ftype,
 752                             toupper(och),
 753                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 754                         compilewith = cmd;
 755                 }
 756                 *cp = och;
 757                 fprintf(f, "\t%s\n\n", compilewith);
 758         }
 759 }
 760
 761 static void
 762 do_clean(FILE *fp)
 763 {
 764         struct file_list *tp;
 765         int lpos, len;
 766
 767         fputs("CLEAN=", fp);
 768         lpos = 7;
 769         STAILQ_FOREACH(tp, &ftab, f_next)
 770                 if (tp->f_clean) {
 771                         len = strlen(tp->f_clean);
 772                         if (len + lpos > 72) {
 773                                 lpos = 8;
 774                                 fputs("\\\n\t", fp);
 775                         }
 776                         fprintf(fp, "%s ", tp->f_clean);
 777                         lpos += len + 1;
 778                 }
 779         if (lpos != 8)
 780                 putc('\n', fp);
 781 }
 782
 783 char *
 784 raisestr(char *str)
 785 {
 786         char *cp = str;
 787
 788         while (*str) {
 789                 if (islower(*str))
 790                         *str = toupper(*str);
 791                 str++;
 792         }
 793         return (cp);
 794 }