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, "char static_hints[] = {\n");
 201         STAILQ_FOREACH(hint, &hints, hint_next) {
 202                 ifp = fopen(hint->hint_name, "r");
 203                 if (ifp == NULL)
 204                         err(1, "%s", hint->hint_name);
 205                 while (fgets(line, BUFSIZ, ifp) != NULL) {
 206                         /* zap trailing CR and/or LF */
 207                         while ((s = strrchr(line, '\n')) != NULL)
 208                                 *s = '\0';
 209                         while ((s = strrchr(line, '\r')) != NULL)
 210                                 *s = '\0';
 211                         /* remove # comments */
 212                         s = strchr(line, '#');
 213                         if (s)
 214                                 *s = '\0';
 215                         /* remove any whitespace and " characters */
 216                         s = line;
 217                         while (*s) {
 218                                 if (*s == ' ' || *s == '\t' || *s == '"') {
 219                                         while (*s) {
 220                                                 s[0] = s[1];
 221                                                 s++;
 222                                         }
 223                                         /* start over */
 224                                         s = line;
 225                                         continue;
 226                                 }
 227                                 s++;
 228                         }
 229                         /* anything left? */
 230                         if (*line == '\0')
 231                                 continue;
 232                         fprintf(ofp, "\"%s\\0\"\n", line);
 233                 }
 234                 fclose(ifp);
 235         }
 236         fprintf(ofp, "\"\\0\"\n};\n");
 237         fclose(ofp);
 238         moveifchanged(path("hints.c.new"), path("hints.c"));
 239 }
 240
 241 static void
 242 sanitize_envline(char *result, const char *src)
 243 {
 244         const char *eq;
 245         char c, *dst;
 246         bool leading;
 247
 248         /* If there is no '=' it's not a well-formed name=value line. */
 249         if ((eq = strchr(src, '=')) == NULL) {
 250                 *result = 0;
 251                 return;
 252         }
 253         dst = result;
 254
 255         /* Copy chars before the '=', skipping any leading spaces/quotes. */
 256         leading = true;
 257         while (src < eq) {
 258                 c = *src++;
 259                 if (leading && (isspace(c) || c == '"'))
 260                         continue;
 261                 *dst++ = c;
 262                 leading = false;
 263         }
 264
 265         /* If it was all leading space, we don't have a well-formed line. */
 266         if (leading) {
 267                 *result = 0;
 268                 return;
 269         }
 270
 271         /* Trim spaces/quotes immediately before the '=', then copy the '='. */
 272         while (isspace(dst[-1]) || dst[-1] == '"')
 273                 --dst;
 274         *dst++ = *src++;
 275
 276         /* Copy chars after the '=', skipping any leading whitespace. */
 277         leading = true;
 278         while ((c = *src++) != 0) {
 279                 if (leading && (isspace(c) || c == '"'))
 280                         continue;
 281                 *dst++ = c;
 282                 leading = false;
 283         }
 284
 285         /* If it was all leading space, it's a valid 'var=' (nil value). */
 286         if (leading) {
 287                 *dst = 0;
 288                 return;
 289         }
 290
 291         /* Trim trailing whitespace and quotes. */
 292         while (isspace(dst[-1]) || dst[-1] == '"')
 293                 --dst;
 294
 295         *dst = 0;
 296 }
 297
 298 /*
 299  * Build env.c from the skeleton
 300  */
 301 void
 302 makeenv(void)
 303 {
 304         FILE *ifp, *ofp;
 305         char line[BUFSIZ], result[BUFSIZ], *linep;
 306         struct envvar *envvar;
 307
 308         ofp = fopen(path("env.c.new"), "w");
 309         if (ofp == NULL)
 310                 err(1, "%s", path("env.c.new"));
 311         fprintf(ofp, "#include <sys/types.h>\n");
 312         fprintf(ofp, "#include <sys/systm.h>\n");
 313         fprintf(ofp, "\n");
 314         fprintf(ofp, "char static_env[] = {\n");
 315         STAILQ_FOREACH(envvar, &envvars, envvar_next) {
 316                 if (envvar->env_is_file) {
 317                         ifp = fopen(envvar->env_str, "r");
 318                         if (ifp == NULL)
 319                                 err(1, "%s", envvar->env_str);
 320                         while (fgets(line, BUFSIZ, ifp) != NULL) {
 321                                 sanitize_envline(result, line);
 322                                 /* anything left? */
 323                                 if (*result == '\0')
 324                                         continue;
 325                                 fprintf(ofp, "\"%s\\0\"\n", result);
 326                         }
 327                         fclose(ifp);
 328                 } else {
 329                         linep = envvar->env_str;
 330                         sanitize_envline(result, linep);
 331                         if (*result == '\0')
 332                                 continue;
 333                         fprintf(ofp, "\"%s\\0\"\n", result);
 334                 }
 335         }
 336         fprintf(ofp, "\"\\0\"\n};\n");
 337         fclose(ofp);
 338         moveifchanged(path("env.c.new"), path("env.c"));
 339 }
 340
 341 static void
 342 read_file(char *fname)
 343 {
 344         char ifname[MAXPATHLEN];
 345         FILE *fp;
 346         struct file_list *tp;
 347         struct device *dp;
 348         struct opt *op;
 349         char *wd, *this, *compilewith, *depends, *clean, *warning;
 350         const char *objprefix;
 351         int compile, match, nreqs, std, filetype, not,
 352             imp_rule, no_obj, before_depend, nowerror;
 353
 354         fp = fopen(fname, "r");
 355         if (fp == NULL)
 356                 err(1, "%s", fname);
 357 next:
 358         /*
 359          * include "filename"
 360          * filename    [ standard | optional ]
 361          *      [ dev* [ | dev* ... ] | profiling-routine ] [ no-obj ]
 362          *      [ compile-with "compile rule" [no-implicit-rule] ]
 363          *      [ dependency "dependency-list"] [ before-depend ]
 364          *      [ clean "file-list"] [ warning "text warning" ]
 365          *      [ obj-prefix "file prefix"]
 366          */
 367         wd = get_word(fp);
 368         if (wd == (char *)EOF) {
 369                 (void) fclose(fp);
 370                 return;
 371         }
 372         if (wd == NULL)
 373                 goto next;
 374         if (wd[0] == '#')
 375         {
 376                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 377                         ;
 378                 goto next;
 379         }
 380         if (eq(wd, "include")) {
 381                 wd = get_quoted_word(fp);
 382                 if (wd == (char *)EOF || wd == NULL)
 383                         errout("%s: missing include filename.\n", fname);
 384                 (void) snprintf(ifname, sizeof(ifname), "../../%s", wd);
 385                 read_file(ifname);
 386                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 387                         ;
 388                 goto next;
 389         }
 390         this = ns(wd);
 391         wd = get_word(fp);
 392         if (wd == (char *)EOF)
 393                 return;
 394         if (wd == NULL)
 395                 errout("%s: No type for %s.\n", fname, this);
 396         tp = fl_lookup(this);
 397         compile = 0;
 398         match = 1;
 399         nreqs = 0;
 400         compilewith = 0;
 401         depends = 0;
 402         clean = 0;
 403         warning = 0;
 404         std = 0;
 405         imp_rule = 0;
 406         no_obj = 0;
 407         before_depend = 0;
 408         nowerror = 0;
 409         not = 0;
 410         filetype = NORMAL;
 411         objprefix = "";
 412         if (eq(wd, "standard"))
 413                 std = 1;
 414         else if (!eq(wd, "optional"))
 415                 errout("%s: \"%s\" %s must be optional or standard\n",
 416                     fname, wd, this);
 417         for (wd = get_word(fp); wd; wd = get_word(fp)) {
 418                 if (wd == (char *)EOF)
 419                         return;
 420                 if (eq(wd, "!")) {
 421                         not = 1;
 422                         continue;
 423                 }
 424                 if (eq(wd, "|")) {
 425                         if (nreqs == 0)
 426                                 errout("%s: syntax error describing %s\n",
 427                                        fname, this);
 428                         compile += match;
 429                         match = 1;
 430                         nreqs = 0;
 431                         continue;
 432                 }
 433                 if (eq(wd, "no-obj")) {
 434                         no_obj++;
 435                         continue;
 436                 }
 437                 if (eq(wd, "no-implicit-rule")) {
 438                         if (compilewith == NULL)
 439                                 errout("%s: alternate rule required when "
 440                                        "\"no-implicit-rule\" is specified for"
 441                                        " %s.\n",
 442                                        fname, this);
 443                         imp_rule++;
 444                         continue;
 445                 }
 446                 if (eq(wd, "before-depend")) {
 447                         before_depend++;
 448                         continue;
 449                 }
 450                 if (eq(wd, "dependency")) {
 451                         wd = get_quoted_word(fp);
 452                         if (wd == (char *)EOF || wd == NULL)
 453                                 errout("%s: %s missing dependency string.\n",
 454                                        fname, this);
 455                         depends = ns(wd);
 456                         continue;
 457                 }
 458                 if (eq(wd, "clean")) {
 459                         wd = get_quoted_word(fp);
 460                         if (wd == (char *)EOF || wd == NULL)
 461                                 errout("%s: %s missing clean file list.\n",
 462                                        fname, this);
 463                         clean = ns(wd);
 464                         continue;
 465                 }
 466                 if (eq(wd, "compile-with")) {
 467                         wd = get_quoted_word(fp);
 468                         if (wd == (char *)EOF || wd == NULL)
 469                                 errout("%s: %s missing compile command string.\n",
 470                                        fname, this);
 471                         compilewith = ns(wd);
 472                         continue;
 473                 }
 474                 if (eq(wd, "warning")) {
 475                         wd = get_quoted_word(fp);
 476                         if (wd == (char *)EOF || wd == NULL)
 477                                 errout("%s: %s missing warning text string.\n",
 478                                        fname, this);
 479                         warning = ns(wd);
 480                         continue;
 481                 }
 482                 if (eq(wd, "obj-prefix")) {
 483                         wd = get_quoted_word(fp);
 484                         if (wd == (char *)EOF || wd == NULL)
 485                                 errout("%s: %s missing object prefix string.\n",
 486                                        fname, this);
 487                         objprefix = ns(wd);
 488                         continue;
 489                 }
 490                 if (eq(wd, "nowerror")) {
 491                         nowerror = 1;
 492                         continue;
 493                 }
 494                 if (eq(wd, "local")) {
 495                         filetype = LOCAL;
 496                         continue;
 497                 }
 498                 if (eq(wd, "no-depend")) {
 499                         filetype = NODEPEND;
 500                         continue;
 501                 }
 502                 nreqs++;
 503                 if (eq(wd, "profiling-routine")) {
 504                         filetype = PROFILING;
 505                         continue;
 506                 }
 507                 if (std)
 508                         errout("standard entry %s has optional inclusion specifier %s!\n",
 509                                this, wd);
 510                 STAILQ_FOREACH(dp, &dtab, d_next)
 511                         if (eq(dp->d_name, wd)) {
 512                                 if (not)
 513                                         match = 0;
 514                                 else
 515                                         dp->d_done |= DEVDONE;
 516                                 goto nextparam;
 517                         }
 518                 SLIST_FOREACH(op, &opt, op_next)
 519                         if (op->op_value == 0 && opteq(op->op_name, wd)) {
 520                                 if (not)
 521                                         match = 0;
 522                                 goto nextparam;
 523                         }
 524                 match &= not;
 525 nextparam:;
 526                 not = 0;
 527         }
 528         compile += match;
 529         if (compile && tp == NULL) {
 530                 if (std == 0 && nreqs == 0)
 531                         errout("%s: what is %s optional on?\n",
 532                                fname, this);
 533                 if (filetype == PROFILING && profiling == 0)
 534                         goto next;
 535                 tp = new_fent();
 536                 tp->f_fn = this;
 537                 tp->f_type = filetype;
 538                 if (filetype == LOCAL)
 539                         tp->f_srcprefix = "";
 540                 else
 541                         tp->f_srcprefix = "$S/";
 542                 if (imp_rule)
 543                         tp->f_flags |= NO_IMPLCT_RULE;
 544                 if (no_obj)
 545                         tp->f_flags |= NO_OBJ;
 546                 if (before_depend)
 547                         tp->f_flags |= BEFORE_DEPEND;
 548                 if (nowerror)
 549                         tp->f_flags |= NOWERROR;
 550                 tp->f_compilewith = compilewith;
 551                 tp->f_depends = depends;
 552                 tp->f_clean = clean;
 553                 tp->f_warn = warning;
 554                 tp->f_objprefix = objprefix;
 555         }
 556         goto next;
 557 }
 558
 559 /*
 560  * Read in the information about files used in making the system.
 561  * Store it in the ftab linked list.
 562  */
 563 static void
 564 read_files(void)
 565 {
 566         char fname[MAXPATHLEN];
 567         struct files_name *nl, *tnl;
 568
 569         (void) snprintf(fname, sizeof(fname), "../../conf/files");
 570         read_file(fname);
 571         (void) snprintf(fname, sizeof(fname),
 572                         "../../conf/files.%s", machinename);
 573         read_file(fname);
 574         for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
 575                 read_file(nl->f_name);
 576                 tnl = STAILQ_NEXT(nl, f_next);
 577                 free(nl->f_name);
 578                 free(nl);
 579         }
 580 }
 581
 582 static int
 583 opteq(const char *cp, const char *dp)
 584 {
 585         char c, d;
 586
 587         for (; ; cp++, dp++) {
 588                 if (*cp != *dp) {
 589                         c = isupper(*cp) ? tolower(*cp) : *cp;
 590                         d = isupper(*dp) ? tolower(*dp) : *dp;
 591                         if (c != d)
 592                                 return (0);
 593                 }
 594                 if (*cp == 0)
 595                         return (1);
 596         }
 597 }
 598
 599 static void
 600 do_before_depend(FILE *fp)
 601 {
 602         struct file_list *tp;
 603         int lpos, len;
 604
 605         fputs("BEFORE_DEPEND=", fp);
 606         lpos = 15;
 607         STAILQ_FOREACH(tp, &ftab, f_next)
 608                 if (tp->f_flags & BEFORE_DEPEND) {
 609                         len = strlen(tp->f_fn);
 610                         if ((len = 3 + len) + lpos > 72) {
 611                                 lpos = 8;
 612                                 fputs("\\\n\t", fp);
 613                         }
 614                         if (tp->f_flags & NO_IMPLCT_RULE)
 615                                 fprintf(fp, "%s ", tp->f_fn);
 616                         else
 617                                 fprintf(fp, "%s%s ", tp->f_srcprefix,
 618                                     tp->f_fn);
 619                         lpos += len + 1;
 620                 }
 621         if (lpos != 8)
 622                 putc('\n', fp);
 623 }
 624
 625 static void
 626 do_objs(FILE *fp)
 627 {
 628         struct file_list *tp;
 629         int lpos, len;
 630         char *cp, och, *sp;
 631
 632         fprintf(fp, "OBJS=");
 633         lpos = 6;
 634         STAILQ_FOREACH(tp, &ftab, f_next) {
 635                 if (tp->f_flags & NO_OBJ)
 636                         continue;
 637                 sp = tail(tp->f_fn);
 638                 cp = sp + (len = strlen(sp)) - 1;
 639                 och = *cp;
 640                 *cp = 'o';
 641                 len += strlen(tp->f_objprefix);
 642                 if (len + lpos > 72) {
 643                         lpos = 8;
 644                         fprintf(fp, "\\\n\t");
 645                 }
 646                 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
 647                 lpos += len + 1;
 648                 *cp = och;
 649         }
 650         if (lpos != 8)
 651                 putc('\n', fp);
 652 }
 653
 654 static void
 655 do_xxfiles(char *tag, FILE *fp)
 656 {
 657         struct file_list *tp;
 658         int lpos, len, slen;
 659         char *suff, *SUFF;
 660
 661         if (tag[strlen(tag) - 1] == '\n')
 662                 tag[strlen(tag) - 1] = '\0';
 663
 664         suff = ns(tag + 7);
 665         SUFF = ns(suff);
 666         raisestr(SUFF);
 667         slen = strlen(suff);
 668
 669         fprintf(fp, "%sFILES=", SUFF);
 670         free(SUFF);
 671         lpos = 8;
 672         STAILQ_FOREACH(tp, &ftab, f_next)
 673                 if (tp->f_type != NODEPEND) {
 674                         len = strlen(tp->f_fn);
 675                         if (tp->f_fn[len - slen - 1] != '.')
 676                                 continue;
 677                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 678                                 continue;
 679                         if ((len = 3 + len) + lpos > 72) {
 680                                 lpos = 8;
 681                                 fputs("\\\n\t", fp);
 682                         }
 683                         fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
 684                         lpos += len + 1;
 685                 }
 686         free(suff);
 687         if (lpos != 8)
 688                 putc('\n', fp);
 689 }
 690
 691 static char *
 692 tail(char *fn)
 693 {
 694         char *cp;
 695
 696         cp = strrchr(fn, '/');
 697         if (cp == NULL)
 698                 return (fn);
 699         return (cp+1);
 700 }
 701
 702 /*
 703  * Create the makerules for each file
 704  * which is part of the system.
 705  */
 706 static void
 707 do_rules(FILE *f)
 708 {
 709         char *cp, *np, och;
 710         struct file_list *ftp;
 711         char *compilewith;
 712         char cmd[128];
 713
 714         STAILQ_FOREACH(ftp, &ftab, f_next) {
 715                 if (ftp->f_warn)
 716                         fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
 717                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 718                 och = *cp;
 719                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 720                         if (ftp->f_depends)
 721                                 fprintf(f, "%s%s: %s\n",
 722                                         ftp->f_objprefix, np, ftp->f_depends);
 723                         else
 724                                 fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
 725                 }
 726                 else {
 727                         *cp = '\0';
 728                         if (och == 'o') {
 729                                 fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
 730                                         ftp->f_objprefix, tail(np),
 731                                         ftp->f_srcprefix, np);
 732                                 continue;
 733                         }
 734                         if (ftp->f_depends) {
 735                                 fprintf(f, "%s%so: %s%s%c %s\n",
 736                                         ftp->f_objprefix, tail(np),
 737                                         ftp->f_srcprefix, np, och,
 738                                         ftp->f_depends);
 739                         }
 740                         else {
 741                                 fprintf(f, "%s%so: %s%s%c\n",
 742                                         ftp->f_objprefix, tail(np),
 743                                         ftp->f_srcprefix, np, och);
 744                         }
 745                 }
 746                 compilewith = ftp->f_compilewith;
 747                 if (compilewith == NULL) {
 748                         const char *ftype = NULL;
 749
 750                         switch (ftp->f_type) {
 751                         case NORMAL:
 752                                 ftype = "NORMAL";
 753                                 break;
 754                         case PROFILING:
 755                                 if (!profiling)
 756                                         continue;
 757                                 ftype = "PROFILE";
 758                                 break;
 759                         default:
 760                                 fprintf(stderr,
 761                                     "config: don't know rules for %s\n", np);
 762                                 break;
 763                         }
 764                         snprintf(cmd, sizeof(cmd),
 765                             "${%s_%c%s}", ftype,
 766                             toupper(och),
 767                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 768                         compilewith = cmd;
 769                 }
 770                 *cp = och;
 771                 if (strlen(ftp->f_objprefix))
 772                         fprintf(f, "\t%s %s%s\n", compilewith,
 773                             ftp->f_srcprefix, np);
 774                 else
 775                         fprintf(f, "\t%s\n", compilewith);
 776
 777                 if (!(ftp->f_flags & NO_OBJ))
 778                         fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
 779                 else
 780                         fprintf(f, "\n");
 781         }
 782 }
 783
 784 static void
 785 do_clean(FILE *fp)
 786 {
 787         struct file_list *tp;
 788         int lpos, len;
 789
 790         fputs("CLEAN=", fp);
 791         lpos = 7;
 792         STAILQ_FOREACH(tp, &ftab, f_next)
 793                 if (tp->f_clean) {
 794                         len = strlen(tp->f_clean);
 795                         if (len + lpos > 72) {
 796                                 lpos = 8;
 797                                 fputs("\\\n\t", fp);
 798                         }
 799                         fprintf(fp, "%s ", tp->f_clean);
 800                         lpos += len + 1;
 801                 }
 802         if (lpos != 8)
 803                 putc('\n', fp);
 804 }
 805
 806 char *
 807 raisestr(char *str)
 808 {
 809         char *cp = str;
 810
 811         while (*str) {
 812                 if (islower(*str))
 813                         *str = toupper(*str);
 814                 str++;
 815         }
 816         return (cp);
 817 }