usr.sbin/config/mkmakefile.c

   1 /*
   2  * Copyright (c) 1980, 1990, 1993
   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  * 4. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #ifndef lint
  31 #if 0
  32 static char sccsid[] = "@(#)mkmakefile.c        8.1 (Berkeley) 6/6/93";
  33 #endif
  34 static const char rcsid[] =
  35   "$FreeBSD$";
  36 #endif /* not lint */
  37
  38 /*
  39  * Build the makefile for the system, from
  40  * the information in the files files and the
  41  * additional files for the machine being compiled to.
  42  */
  43
  44 #include <ctype.h>
  45 #include <err.h>
  46 #include <stdarg.h>
  47 #include <stdbool.h>
  48 #include <stdio.h>
  49 #include <string.h>
  50 #include <sys/cnv.h>
  51 #include <sys/nv.h>
  52 #include <sys/param.h>
  53 #include "y.tab.h"
  54 #include "config.h"
  55 #include "configvers.h"
  56
  57 static char *tail(char *);
  58 static void do_clean(FILE *);
  59 static void do_rules(FILE *);
  60 static void do_xxfiles(char *, FILE *);
  61 static void do_objs(FILE *);
  62 static void do_before_depend(FILE *);
  63 static void read_files(void);
  64 static void sanitize_envline(char *result, const char *src);
  65 static bool preprocess(char *line, char *result);
  66 static void process_into_file(char *line, FILE *ofp);
  67 static void process_into_nvlist(char *line, nvlist_t *nvl);
  68 static void dump_nvlist(nvlist_t *nvl, FILE *ofp);
  69
  70 static void errout(const char *fmt, ...)
  71 {
  72         va_list ap;
  73
  74         va_start(ap, fmt);
  75         vfprintf(stderr, fmt, ap);
  76         va_end(ap);
  77         exit(1);
  78 }
  79
  80 /*
  81  * Lookup a file, by name.
  82  */
  83 static struct file_list *
  84 fl_lookup(char *file)
  85 {
  86         struct file_list *fp;
  87
  88         STAILQ_FOREACH(fp, &ftab, f_next) {
  89                 if (eq(fp->f_fn, file))
  90                         return (fp);
  91         }
  92         return (0);
  93 }
  94
  95 /*
  96  * Make a new file list entry
  97  */
  98 static struct file_list *
  99 new_fent(void)
 100 {
 101         struct file_list *fp;
 102
 103         fp = (struct file_list *) calloc(1, sizeof *fp);
 104         if (fp == NULL)
 105                 err(EXIT_FAILURE, "calloc");
 106         STAILQ_INSERT_TAIL(&ftab, fp, f_next);
 107         return (fp);
 108 }
 109
 110 /*
 111  * Open the correct Makefile and return it, or error out.
 112  */
 113 FILE *
 114 open_makefile_template(void)
 115 {
 116         FILE *ifp;
 117         char line[BUFSIZ];
 118
 119         snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
 120         ifp = fopen(line, "r");
 121         if (ifp == NULL) {
 122                 snprintf(line, sizeof(line), "Makefile.%s", machinename);
 123                 ifp = fopen(line, "r");
 124         }
 125         if (ifp == NULL)
 126                 err(1, "%s", line);
 127         return (ifp);
 128 }
 129
 130 /*
 131  * Build the makefile from the skeleton
 132  */
 133 void
 134 makefile(void)
 135 {
 136         FILE *ifp, *ofp;
 137         char line[BUFSIZ];
 138         struct opt *op, *t;
 139
 140         read_files();
 141         ifp = open_makefile_template();
 142         ofp = fopen(path("Makefile.new"), "w");
 143         if (ofp == NULL)
 144                 err(1, "%s", path("Makefile.new"));
 145         fprintf(ofp, "KERN_IDENT=%s\n", ident);
 146         fprintf(ofp, "MACHINE=%s\n", machinename);
 147         fprintf(ofp, "MACHINE_ARCH=%s\n", machinearch);
 148         SLIST_FOREACH_SAFE(op, &mkopt, op_next, t) {
 149                 fprintf(ofp, "%s=%s", op->op_name, op->op_value);
 150                 while ((op = SLIST_NEXT(op, op_append)) != NULL)
 151                         fprintf(ofp, " %s", op->op_value);
 152                 fprintf(ofp, "\n");
 153         }
 154         if (debugging)
 155                 fprintf(ofp, "DEBUG=-g\n");
 156         if (profiling)
 157                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 158         if (*srcdir != '\0')
 159                 fprintf(ofp,"S=%s\n", srcdir);
 160         while (fgets(line, BUFSIZ, ifp) != NULL) {
 161                 if (*line != '%') {
 162                         fprintf(ofp, "%s", line);
 163                         continue;
 164                 }
 165                 if (eq(line, "%BEFORE_DEPEND\n"))
 166                         do_before_depend(ofp);
 167                 else if (eq(line, "%OBJS\n"))
 168                         do_objs(ofp);
 169                 else if (strncmp(line, "%FILES.", 7) == 0)
 170                         do_xxfiles(line, ofp);
 171                 else if (eq(line, "%RULES\n"))
 172                         do_rules(ofp);
 173                 else if (eq(line, "%CLEAN\n"))
 174                         do_clean(ofp);
 175                 else if (strncmp(line, "%VERSREQ=", 9) == 0)
 176                         line[0] = '\0'; /* handled elsewhere */
 177                 else
 178                         fprintf(stderr,
 179                             "Unknown %% construct in generic makefile: %s",
 180                             line);
 181         }
 182         (void) fclose(ifp);
 183         (void) fclose(ofp);
 184         moveifchanged(path("Makefile.new"), path("Makefile"));
 185 }
 186
 187 static void
 188 sanitize_envline(char *result, const char *src)
 189 {
 190         const char *eq;
 191         char c, *dst;
 192         bool leading;
 193
 194         /* If there is no '=' it's not a well-formed name=value line. */
 195         if ((eq = strchr(src, '=')) == NULL) {
 196                 *result = 0;
 197                 return;
 198         }
 199         dst = result;
 200
 201         /* Copy chars before the '=', skipping any leading spaces/quotes. */
 202         leading = true;
 203         while (src < eq) {
 204                 c = *src++;
 205                 if (leading && (isspace(c) || c == '"'))
 206                         continue;
 207                 *dst++ = c;
 208                 leading = false;
 209         }
 210
 211         /* If it was all leading space, we don't have a well-formed line. */
 212         if (leading) {
 213                 *result = 0;
 214                 return;
 215         }
 216
 217         /* Trim spaces/quotes immediately before the '=', then copy the '='. */
 218         while (isspace(dst[-1]) || dst[-1] == '"')
 219                 --dst;
 220         *dst++ = *src++;
 221
 222         /* Copy chars after the '=', skipping any leading whitespace. */
 223         leading = true;
 224         while ((c = *src++) != 0) {
 225                 if (leading && (isspace(c) || c == '"'))
 226                         continue;
 227                 *dst++ = c;
 228                 leading = false;
 229         }
 230
 231         /* If it was all leading space, it's a valid 'var=' (nil value). */
 232         if (leading) {
 233                 *dst = 0;
 234                 return;
 235         }
 236
 237         /* Trim trailing whitespace and quotes. */
 238         while (isspace(dst[-1]) || dst[-1] == '"')
 239                 --dst;
 240
 241         *dst = 0;
 242 }
 243
 244 /*
 245  * Returns true if the caller may use the string.
 246  */
 247 static bool
 248 preprocess(char *line, char *result)
 249 {
 250         char *s;
 251
 252         /* Strip any comments */
 253         if ((s = strchr(line, '#')) != NULL)
 254                 *s = '\0';
 255         sanitize_envline(result, line);
 256         /* Return true if it's non-empty */
 257         return (*result != '\0');
 258 }
 259
 260 static void
 261 process_into_file(char *line, FILE *ofp)
 262 {
 263         char result[BUFSIZ];
 264
 265         if (preprocess(line, result))
 266                 fprintf(ofp, "\"%s\\0\"\n", result);
 267 }
 268
 269 static void
 270 process_into_nvlist(char *line, nvlist_t *nvl)
 271 {
 272         char result[BUFSIZ], *s;
 273
 274         if (preprocess(line, result)) {
 275                 s = strchr(result, '=');
 276                 *s = '\0';
 277                 if (nvlist_exists(nvl, result))
 278                         nvlist_free(nvl, result);
 279                 nvlist_add_string(nvl, result, s + 1);
 280         }
 281 }
 282
 283 static void
 284 dump_nvlist(nvlist_t *nvl, FILE *ofp)
 285 {
 286         const char *name;
 287         void *cookie;
 288
 289         if (nvl == NULL)
 290                 return;
 291
 292         while (!nvlist_empty(nvl)) {
 293                 cookie = NULL;
 294                 name = nvlist_next(nvl, NULL, &cookie);
 295                 fprintf(ofp, "\"%s=%s\\0\"\n", name,
 296                      cnvlist_get_string(cookie));
 297
 298                 cnvlist_free_string(cookie);
 299         }
 300 }
 301
 302 /*
 303  * Build hints.c from the skeleton
 304  */
 305 void
 306 makehints(void)
 307 {
 308         FILE *ifp, *ofp;
 309         nvlist_t *nvl;
 310         char line[BUFSIZ];
 311         struct hint *hint;
 312
 313         ofp = fopen(path("hints.c.new"), "w");
 314         if (ofp == NULL)
 315                 err(1, "%s", path("hints.c.new"));
 316         fprintf(ofp, "#include <sys/types.h>\n");
 317         fprintf(ofp, "#include <sys/systm.h>\n");
 318         fprintf(ofp, "\n");
 319         /*
 320          * Write out hintmode for older kernels. Remove when config(8) major
 321          * version rolls over.
 322          */
 323         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 324                 fprintf(ofp, "int hintmode = %d;\n",
 325                         !STAILQ_EMPTY(&hints) ? 1 : 0);
 326         fprintf(ofp, "char static_hints[] = {\n");
 327         nvl = nvlist_create(0);
 328         STAILQ_FOREACH(hint, &hints, hint_next) {
 329                 ifp = fopen(hint->hint_name, "r");
 330                 if (ifp == NULL)
 331                         err(1, "%s", hint->hint_name);
 332                 while (fgets(line, BUFSIZ, ifp) != NULL)
 333                         process_into_nvlist(line, nvl);
 334                 dump_nvlist(nvl, ofp);
 335                 fclose(ifp);
 336         }
 337         nvlist_destroy(nvl);
 338         fprintf(ofp, "\"\\0\"\n};\n");
 339         fclose(ofp);
 340         moveifchanged(path("hints.c.new"), path("hints.c"));
 341 }
 342
 343 /*
 344  * Build env.c from the skeleton
 345  */
 346 void
 347 makeenv(void)
 348 {
 349         FILE *ifp, *ofp;
 350         nvlist_t *nvl;
 351         char line[BUFSIZ];
 352         struct envvar *envvar;
 353
 354         ofp = fopen(path("env.c.new"), "w");
 355         if (ofp == NULL)
 356                 err(1, "%s", path("env.c.new"));
 357         fprintf(ofp, "#include <sys/types.h>\n");
 358         fprintf(ofp, "#include <sys/systm.h>\n");
 359         fprintf(ofp, "\n");
 360         /*
 361          * Write out envmode for older kernels. Remove when config(8) major
 362          * version rolls over.
 363          */
 364         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 365                 fprintf(ofp, "int envmode = %d;\n",
 366                         !STAILQ_EMPTY(&envvars) ? 1 : 0);
 367         fprintf(ofp, "char static_env[] = {\n");
 368         nvl = nvlist_create(0);
 369         STAILQ_FOREACH(envvar, &envvars, envvar_next) {
 370                 if (envvar->env_is_file) {
 371                         ifp = fopen(envvar->env_str, "r");
 372                         if (ifp == NULL)
 373                                 err(1, "%s", envvar->env_str);
 374                         while (fgets(line, BUFSIZ, ifp) != NULL)
 375                                 process_into_nvlist(line, nvl);
 376                         dump_nvlist(nvl, ofp);
 377                         fclose(ifp);
 378                 } else
 379                         process_into_file(envvar->env_str, ofp);
 380         }
 381         nvlist_destroy(nvl);
 382         fprintf(ofp, "\"\\0\"\n};\n");
 383         fclose(ofp);
 384         moveifchanged(path("env.c.new"), path("env.c"));
 385 }
 386
 387 static void
 388 read_file(char *fname)
 389 {
 390         char ifname[MAXPATHLEN];
 391         FILE *fp;
 392         struct file_list *tp;
 393         struct device *dp;
 394         struct opt *op;
 395         char *wd, *this, *compilewith, *depends, *clean, *warning;
 396         const char *objprefix;
 397         int compile, match, nreqs, std, filetype, not,
 398             imp_rule, no_obj, before_depend, nowerror;
 399
 400         fp = fopen(fname, "r");
 401         if (fp == NULL)
 402                 err(1, "%s", fname);
 403 next:
 404         /*
 405          * include "filename"
 406          * filename    [ standard | optional ]
 407          *      [ dev* [ | dev* ... ] | profiling-routine ] [ no-obj ]
 408          *      [ compile-with "compile rule" [no-implicit-rule] ]
 409          *      [ dependency "dependency-list"] [ before-depend ]
 410          *      [ clean "file-list"] [ warning "text warning" ]
 411          *      [ obj-prefix "file prefix"]
 412          */
 413         wd = get_word(fp);
 414         if (wd == (char *)EOF) {
 415                 (void) fclose(fp);
 416                 return;
 417         }
 418         if (wd == NULL)
 419                 goto next;
 420         if (wd[0] == '#')
 421         {
 422                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 423                         ;
 424                 goto next;
 425         }
 426         if (eq(wd, "include")) {
 427                 wd = get_quoted_word(fp);
 428                 if (wd == (char *)EOF || wd == NULL)
 429                         errout("%s: missing include filename.\n", fname);
 430                 (void) snprintf(ifname, sizeof(ifname), "../../%s", wd);
 431                 read_file(ifname);
 432                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 433                         ;
 434                 goto next;
 435         }
 436         this = ns(wd);
 437         wd = get_word(fp);
 438         if (wd == (char *)EOF)
 439                 return;
 440         if (wd == NULL)
 441                 errout("%s: No type for %s.\n", fname, this);
 442         tp = fl_lookup(this);
 443         compile = 0;
 444         match = 1;
 445         nreqs = 0;
 446         compilewith = 0;
 447         depends = 0;
 448         clean = 0;
 449         warning = 0;
 450         std = 0;
 451         imp_rule = 0;
 452         no_obj = 0;
 453         before_depend = 0;
 454         nowerror = 0;
 455         not = 0;
 456         filetype = NORMAL;
 457         objprefix = "";
 458         if (eq(wd, "standard"))
 459                 std = 1;
 460         else if (!eq(wd, "optional"))
 461                 errout("%s: \"%s\" %s must be optional or standard\n",
 462                     fname, wd, this);
 463         for (wd = get_word(fp); wd; wd = get_word(fp)) {
 464                 if (wd == (char *)EOF)
 465                         return;
 466                 if (eq(wd, "!")) {
 467                         not = 1;
 468                         continue;
 469                 }
 470                 if (eq(wd, "|")) {
 471                         if (nreqs == 0)
 472                                 errout("%s: syntax error describing %s\n",
 473                                        fname, this);
 474                         compile += match;
 475                         match = 1;
 476                         nreqs = 0;
 477                         continue;
 478                 }
 479                 if (eq(wd, "no-obj")) {
 480                         no_obj++;
 481                         continue;
 482                 }
 483                 if (eq(wd, "no-implicit-rule")) {
 484                         if (compilewith == NULL)
 485                                 errout("%s: alternate rule required when "
 486                                        "\"no-implicit-rule\" is specified for"
 487                                        " %s.\n",
 488                                        fname, this);
 489                         imp_rule++;
 490                         continue;
 491                 }
 492                 if (eq(wd, "before-depend")) {
 493                         before_depend++;
 494                         continue;
 495                 }
 496                 if (eq(wd, "dependency")) {
 497                         wd = get_quoted_word(fp);
 498                         if (wd == (char *)EOF || wd == NULL)
 499                                 errout("%s: %s missing dependency string.\n",
 500                                        fname, this);
 501                         depends = ns(wd);
 502                         continue;
 503                 }
 504                 if (eq(wd, "clean")) {
 505                         wd = get_quoted_word(fp);
 506                         if (wd == (char *)EOF || wd == NULL)
 507                                 errout("%s: %s missing clean file list.\n",
 508                                        fname, this);
 509                         clean = ns(wd);
 510                         continue;
 511                 }
 512                 if (eq(wd, "compile-with")) {
 513                         wd = get_quoted_word(fp);
 514                         if (wd == (char *)EOF || wd == NULL)
 515                                 errout("%s: %s missing compile command string.\n",
 516                                        fname, this);
 517                         compilewith = ns(wd);
 518                         continue;
 519                 }
 520                 if (eq(wd, "warning")) {
 521                         wd = get_quoted_word(fp);
 522                         if (wd == (char *)EOF || wd == NULL)
 523                                 errout("%s: %s missing warning text string.\n",
 524                                        fname, this);
 525                         warning = ns(wd);
 526                         continue;
 527                 }
 528                 if (eq(wd, "obj-prefix")) {
 529                         wd = get_quoted_word(fp);
 530                         if (wd == (char *)EOF || wd == NULL)
 531                                 errout("%s: %s missing object prefix string.\n",
 532                                        fname, this);
 533                         objprefix = ns(wd);
 534                         continue;
 535                 }
 536                 if (eq(wd, "nowerror")) {
 537                         nowerror = 1;
 538                         continue;
 539                 }
 540                 if (eq(wd, "local")) {
 541                         filetype = LOCAL;
 542                         continue;
 543                 }
 544                 if (eq(wd, "no-depend")) {
 545                         filetype = NODEPEND;
 546                         continue;
 547                 }
 548                 nreqs++;
 549                 if (eq(wd, "profiling-routine")) {
 550                         filetype = PROFILING;
 551                         continue;
 552                 }
 553                 if (std)
 554                         errout("standard entry %s has optional inclusion specifier %s!\n",
 555                                this, wd);
 556                 STAILQ_FOREACH(dp, &dtab, d_next)
 557                         if (eq(dp->d_name, wd)) {
 558                                 if (not)
 559                                         match = 0;
 560                                 else
 561                                         dp->d_done |= DEVDONE;
 562                                 goto nextparam;
 563                         }
 564                 SLIST_FOREACH(op, &opt, op_next)
 565                         if (op->op_value == 0 &&
 566                             strcasecmp(op->op_name, wd) == 0) {
 567                                 if (not)
 568                                         match = 0;
 569                                 goto nextparam;
 570                         }
 571                 match &= not;
 572 nextparam:;
 573                 not = 0;
 574         }
 575         compile += match;
 576         if (compile && tp == NULL) {
 577                 if (std == 0 && nreqs == 0)
 578                         errout("%s: what is %s optional on?\n",
 579                                fname, this);
 580                 if (filetype == PROFILING && profiling == 0)
 581                         goto next;
 582                 tp = new_fent();
 583                 tp->f_fn = this;
 584                 tp->f_type = filetype;
 585                 if (filetype == LOCAL)
 586                         tp->f_srcprefix = "";
 587                 else
 588                         tp->f_srcprefix = "$S/";
 589                 if (imp_rule)
 590                         tp->f_flags |= NO_IMPLCT_RULE;
 591                 if (no_obj)
 592                         tp->f_flags |= NO_OBJ;
 593                 if (before_depend)
 594                         tp->f_flags |= BEFORE_DEPEND;
 595                 if (nowerror)
 596                         tp->f_flags |= NOWERROR;
 597                 tp->f_compilewith = compilewith;
 598                 tp->f_depends = depends;
 599                 tp->f_clean = clean;
 600                 tp->f_warn = warning;
 601                 tp->f_objprefix = objprefix;
 602         }
 603         goto next;
 604 }
 605
 606 /*
 607  * Read in the information about files used in making the system.
 608  * Store it in the ftab linked list.
 609  */
 610 static void
 611 read_files(void)
 612 {
 613         char fname[MAXPATHLEN];
 614         struct files_name *nl, *tnl;
 615
 616         (void) snprintf(fname, sizeof(fname), "../../conf/files");
 617         read_file(fname);
 618         (void) snprintf(fname, sizeof(fname),
 619                         "../../conf/files.%s", machinename);
 620         read_file(fname);
 621         for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
 622                 read_file(nl->f_name);
 623                 tnl = STAILQ_NEXT(nl, f_next);
 624                 free(nl->f_name);
 625                 free(nl);
 626         }
 627 }
 628
 629 static void
 630 do_before_depend(FILE *fp)
 631 {
 632         struct file_list *tp;
 633         int lpos, len;
 634
 635         fputs("BEFORE_DEPEND=", fp);
 636         lpos = 15;
 637         STAILQ_FOREACH(tp, &ftab, f_next)
 638                 if (tp->f_flags & BEFORE_DEPEND) {
 639                         len = strlen(tp->f_fn);
 640                         if ((len = 3 + len) + lpos > 72) {
 641                                 lpos = 8;
 642                                 fputs("\\\n\t", fp);
 643                         }
 644                         if (tp->f_flags & NO_IMPLCT_RULE)
 645                                 fprintf(fp, "%s ", tp->f_fn);
 646                         else
 647                                 fprintf(fp, "%s%s ", tp->f_srcprefix,
 648                                     tp->f_fn);
 649                         lpos += len + 1;
 650                 }
 651         if (lpos != 8)
 652                 putc('\n', fp);
 653 }
 654
 655 static void
 656 do_objs(FILE *fp)
 657 {
 658         struct file_list *tp;
 659         int lpos, len;
 660         char *cp, och, *sp;
 661
 662         fprintf(fp, "OBJS=");
 663         lpos = 6;
 664         STAILQ_FOREACH(tp, &ftab, f_next) {
 665                 if (tp->f_flags & NO_OBJ)
 666                         continue;
 667                 sp = tail(tp->f_fn);
 668                 cp = sp + (len = strlen(sp)) - 1;
 669                 och = *cp;
 670                 *cp = 'o';
 671                 len += strlen(tp->f_objprefix);
 672                 if (len + lpos > 72) {
 673                         lpos = 8;
 674                         fprintf(fp, "\\\n\t");
 675                 }
 676                 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
 677                 lpos += len + 1;
 678                 *cp = och;
 679         }
 680         if (lpos != 8)
 681                 putc('\n', fp);
 682 }
 683
 684 static void
 685 do_xxfiles(char *tag, FILE *fp)
 686 {
 687         struct file_list *tp;
 688         int lpos, len, slen;
 689         char *suff, *SUFF;
 690
 691         if (tag[strlen(tag) - 1] == '\n')
 692                 tag[strlen(tag) - 1] = '\0';
 693
 694         suff = ns(tag + 7);
 695         SUFF = ns(suff);
 696         raisestr(SUFF);
 697         slen = strlen(suff);
 698
 699         fprintf(fp, "%sFILES=", SUFF);
 700         free(SUFF);
 701         lpos = 8;
 702         STAILQ_FOREACH(tp, &ftab, f_next)
 703                 if (tp->f_type != NODEPEND) {
 704                         len = strlen(tp->f_fn);
 705                         if (tp->f_fn[len - slen - 1] != '.')
 706                                 continue;
 707                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 708                                 continue;
 709                         if ((len = 3 + len) + lpos > 72) {
 710                                 lpos = 8;
 711                                 fputs("\\\n\t", fp);
 712                         }
 713                         fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
 714                         lpos += len + 1;
 715                 }
 716         free(suff);
 717         if (lpos != 8)
 718                 putc('\n', fp);
 719 }
 720
 721 static char *
 722 tail(char *fn)
 723 {
 724         char *cp;
 725
 726         cp = strrchr(fn, '/');
 727         if (cp == NULL)
 728                 return (fn);
 729         return (cp+1);
 730 }
 731
 732 /*
 733  * Create the makerules for each file
 734  * which is part of the system.
 735  */
 736 static void
 737 do_rules(FILE *f)
 738 {
 739         char *cp, *np, och;
 740         struct file_list *ftp;
 741         char *compilewith;
 742         char cmd[128];
 743
 744         STAILQ_FOREACH(ftp, &ftab, f_next) {
 745                 if (ftp->f_warn)
 746                         fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
 747                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 748                 och = *cp;
 749                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 750                         if (ftp->f_depends)
 751                                 fprintf(f, "%s%s: %s\n",
 752                                         ftp->f_objprefix, np, ftp->f_depends);
 753                         else
 754                                 fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
 755                 }
 756                 else {
 757                         *cp = '\0';
 758                         if (och == 'o') {
 759                                 fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
 760                                         ftp->f_objprefix, tail(np),
 761                                         ftp->f_srcprefix, np);
 762                                 continue;
 763                         }
 764                         if (ftp->f_depends) {
 765                                 fprintf(f, "%s%sln: %s%s%c %s\n",
 766                                         ftp->f_objprefix, tail(np),
 767                                         ftp->f_srcprefix, np, och,
 768                                         ftp->f_depends);
 769                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 770                                 fprintf(f, "%s%so: %s%s%c %s\n",
 771                                         ftp->f_objprefix, tail(np),
 772                                         ftp->f_srcprefix, np, och,
 773                                         ftp->f_depends);
 774                         }
 775                         else {
 776                                 fprintf(f, "%s%sln: %s%s%c\n",
 777                                         ftp->f_objprefix, tail(np),
 778                                         ftp->f_srcprefix, np, och);
 779                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 780                                 fprintf(f, "%s%so: %s%s%c\n",
 781                                         ftp->f_objprefix, tail(np),
 782                                         ftp->f_srcprefix, np, och);
 783                         }
 784                 }
 785                 compilewith = ftp->f_compilewith;
 786                 if (compilewith == NULL) {
 787                         const char *ftype = NULL;
 788
 789                         switch (ftp->f_type) {
 790                         case NORMAL:
 791                                 ftype = "NORMAL";
 792                                 break;
 793                         case PROFILING:
 794                                 if (!profiling)
 795                                         continue;
 796                                 ftype = "PROFILE";
 797                                 break;
 798                         default:
 799                                 fprintf(stderr,
 800                                     "config: don't know rules for %s\n", np);
 801                                 break;
 802                         }
 803                         snprintf(cmd, sizeof(cmd),
 804                             "${%s_%c%s}", ftype,
 805                             toupper(och),
 806                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 807                         compilewith = cmd;
 808                 }
 809                 *cp = och;
 810                 if (strlen(ftp->f_objprefix))
 811                         fprintf(f, "\t%s %s%s\n", compilewith,
 812                             ftp->f_srcprefix, np);
 813                 else
 814                         fprintf(f, "\t%s\n", compilewith);
 815
 816                 if (!(ftp->f_flags & NO_OBJ))
 817                         fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
 818                 else
 819                         fprintf(f, "\n");
 820         }
 821 }
 822
 823 static void
 824 do_clean(FILE *fp)
 825 {
 826         struct file_list *tp;
 827         int lpos, len;
 828
 829         fputs("CLEAN=", fp);
 830         lpos = 7;
 831         STAILQ_FOREACH(tp, &ftab, f_next)
 832                 if (tp->f_clean) {
 833                         len = strlen(tp->f_clean);
 834                         if (len + lpos > 72) {
 835                                 lpos = 8;
 836                                 fputs("\\\n\t", fp);
 837                         }
 838                         fprintf(fp, "%s ", tp->f_clean);
 839                         lpos += len + 1;
 840                 }
 841         if (lpos != 8)
 842                 putc('\n', fp);
 843 }
 844
 845 char *
 846 raisestr(char *str)
 847 {
 848         char *cp = str;
 849
 850         while (*str) {
 851                 if (islower(*str))
 852                         *str = toupper(*str);
 853                 str++;
 854         }
 855         return (cp);
 856 }