usr.sbin/config/mkmakefile.c

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