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/cnv.h>
  53 #include <sys/nv.h>
  54 #include <sys/param.h>
  55 #include "y.tab.h"
  56 #include "config.h"
  57 #include "configvers.h"
  58
  59 static char *tail(char *);
  60 static void do_clean(FILE *);
  61 static void do_rules(FILE *);
  62 static void do_xxfiles(char *, FILE *);
  63 static void do_objs(FILE *);
  64 static void do_before_depend(FILE *);
  65 static void read_files(void);
  66 static void sanitize_envline(char *result, const char *src);
  67 static bool preprocess(char *line, char *result);
  68 static void process_into_file(char *line, FILE *ofp);
  69 static void process_into_nvlist(char *line, nvlist_t *nvl);
  70 static void dump_nvlist(nvlist_t *nvl, FILE *ofp);
  71
  72 static void errout(const char *fmt, ...)
  73 {
  74         va_list ap;
  75
  76         va_start(ap, fmt);
  77         vfprintf(stderr, fmt, ap);
  78         va_end(ap);
  79         exit(1);
  80 }
  81
  82 /*
  83  * Lookup a file, by name.
  84  */
  85 static struct file_list *
  86 fl_lookup(char *file)
  87 {
  88         struct file_list *fp;
  89
  90         STAILQ_FOREACH(fp, &ftab, f_next) {
  91                 if (eq(fp->f_fn, file))
  92                         return (fp);
  93         }
  94         return (0);
  95 }
  96
  97 /*
  98  * Make a new file list entry
  99  */
 100 static struct file_list *
 101 new_fent(void)
 102 {
 103         struct file_list *fp;
 104
 105         fp = (struct file_list *) calloc(1, sizeof *fp);
 106         if (fp == NULL)
 107                 err(EXIT_FAILURE, "calloc");
 108         STAILQ_INSERT_TAIL(&ftab, fp, f_next);
 109         return (fp);
 110 }
 111
 112 /*
 113  * Open the correct Makefile and return it, or error out.
 114  */
 115 FILE *
 116 open_makefile_template(void)
 117 {
 118         FILE *ifp;
 119         char line[BUFSIZ];
 120
 121         snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
 122         ifp = fopen(line, "r");
 123         if (ifp == NULL) {
 124                 snprintf(line, sizeof(line), "Makefile.%s", machinename);
 125                 ifp = fopen(line, "r");
 126         }
 127         if (ifp == NULL)
 128                 err(1, "%s", line);
 129         return (ifp);
 130 }
 131
 132 /*
 133  * Build the makefile from the skeleton
 134  */
 135 void
 136 makefile(void)
 137 {
 138         FILE *ifp, *ofp;
 139         char line[BUFSIZ];
 140         struct opt *op, *t;
 141
 142         read_files();
 143         ifp = open_makefile_template();
 144         ofp = fopen(path("Makefile.new"), "w");
 145         if (ofp == NULL)
 146                 err(1, "%s", path("Makefile.new"));
 147         fprintf(ofp, "KERN_IDENT=%s\n", ident);
 148         fprintf(ofp, "MACHINE=%s\n", machinename);
 149         fprintf(ofp, "MACHINE_ARCH=%s\n", machinearch);
 150         SLIST_FOREACH_SAFE(op, &mkopt, op_next, t) {
 151                 fprintf(ofp, "%s=%s", op->op_name, op->op_value);
 152                 while ((op = SLIST_NEXT(op, op_append)) != NULL)
 153                         fprintf(ofp, " %s", op->op_value);
 154                 fprintf(ofp, "\n");
 155         }
 156         if (debugging)
 157                 fprintf(ofp, "DEBUG=-g\n");
 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_ctfconvert, 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* ... ] | [ 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          *      [ nowerror ] [ local ]
 413          */
 414         wd = get_word(fp);
 415         if (wd == (char *)EOF) {
 416                 (void) fclose(fp);
 417                 return;
 418         }
 419         if (wd == NULL)
 420                 goto next;
 421         if (wd[0] == '#')
 422         {
 423                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 424                         ;
 425                 goto next;
 426         }
 427         if (eq(wd, "include")) {
 428                 wd = get_quoted_word(fp);
 429                 if (wd == (char *)EOF || wd == NULL)
 430                         errout("%s: missing include filename.\n", fname);
 431                 (void) snprintf(ifname, sizeof(ifname), "../../%s", wd);
 432                 read_file(ifname);
 433                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 434                         ;
 435                 goto next;
 436         }
 437         this = ns(wd);
 438         wd = get_word(fp);
 439         if (wd == (char *)EOF)
 440                 return;
 441         if (wd == NULL)
 442                 errout("%s: No type for %s.\n", fname, this);
 443         tp = fl_lookup(this);
 444         compile = 0;
 445         match = 1;
 446         nreqs = 0;
 447         compilewith = NULL;
 448         depends = NULL;
 449         clean = NULL;
 450         warning = NULL;
 451         std = 0;
 452         imp_rule = 0;
 453         no_ctfconvert = 0;
 454         no_obj = 0;
 455         before_depend = 0;
 456         nowerror = 0;
 457         not = 0;
 458         filetype = NORMAL;
 459         objprefix = "";
 460         if (eq(wd, "standard"))
 461                 std = 1;
 462         else if (!eq(wd, "optional"))
 463                 errout("%s: \"%s\" %s must be optional or standard\n",
 464                     fname, wd, this);
 465         for (wd = get_word(fp); wd; wd = get_word(fp)) {
 466                 if (wd == (char *)EOF)
 467                         return;
 468                 if (eq(wd, "!")) {
 469                         not = 1;
 470                         continue;
 471                 }
 472                 if (eq(wd, "|")) {
 473                         if (nreqs == 0)
 474                                 errout("%s: syntax error describing %s\n",
 475                                        fname, this);
 476                         compile += match;
 477                         match = 1;
 478                         nreqs = 0;
 479                         continue;
 480                 }
 481                 if (eq(wd, "no-ctfconvert")) {
 482                         no_ctfconvert++;
 483                         continue;
 484                 }
 485                 if (eq(wd, "no-obj")) {
 486                         no_obj++;
 487                         continue;
 488                 }
 489                 if (eq(wd, "no-implicit-rule")) {
 490                         if (compilewith == NULL)
 491                                 errout("%s: alternate rule required when "
 492                                        "\"no-implicit-rule\" is specified for"
 493                                        " %s.\n",
 494                                        fname, this);
 495                         imp_rule++;
 496                         continue;
 497                 }
 498                 if (eq(wd, "before-depend")) {
 499                         before_depend++;
 500                         continue;
 501                 }
 502                 if (eq(wd, "dependency")) {
 503                         wd = get_quoted_word(fp);
 504                         if (wd == (char *)EOF || wd == NULL)
 505                                 errout("%s: %s missing dependency string.\n",
 506                                        fname, this);
 507                         depends = ns(wd);
 508                         continue;
 509                 }
 510                 if (eq(wd, "clean")) {
 511                         wd = get_quoted_word(fp);
 512                         if (wd == (char *)EOF || wd == NULL)
 513                                 errout("%s: %s missing clean file list.\n",
 514                                        fname, this);
 515                         clean = ns(wd);
 516                         continue;
 517                 }
 518                 if (eq(wd, "compile-with")) {
 519                         wd = get_quoted_word(fp);
 520                         if (wd == (char *)EOF || wd == NULL)
 521                                 errout("%s: %s missing compile command string.\n",
 522                                        fname, this);
 523                         compilewith = ns(wd);
 524                         continue;
 525                 }
 526                 if (eq(wd, "warning")) {
 527                         wd = get_quoted_word(fp);
 528                         if (wd == (char *)EOF || wd == NULL)
 529                                 errout("%s: %s missing warning text string.\n",
 530                                        fname, this);
 531                         warning = ns(wd);
 532                         continue;
 533                 }
 534                 if (eq(wd, "obj-prefix")) {
 535                         wd = get_quoted_word(fp);
 536                         if (wd == (char *)EOF || wd == NULL)
 537                                 errout("%s: %s missing object prefix string.\n",
 538                                        fname, this);
 539                         objprefix = ns(wd);
 540                         continue;
 541                 }
 542                 if (eq(wd, "nowerror")) {
 543                         nowerror = 1;
 544                         continue;
 545                 }
 546                 if (eq(wd, "local")) {
 547                         filetype = LOCAL;
 548                         continue;
 549                 }
 550                 if (eq(wd, "no-depend")) {
 551                         filetype = NODEPEND;
 552                         continue;
 553                 }
 554                 nreqs++;
 555                 if (std)
 556                         errout("standard entry %s has optional inclusion specifier %s!\n",
 557                                this, wd);
 558                 STAILQ_FOREACH(dp, &dtab, d_next)
 559                         if (eq(dp->d_name, wd)) {
 560                                 if (not)
 561                                         match = 0;
 562                                 else
 563                                         dp->d_done |= DEVDONE;
 564                                 goto nextparam;
 565                         }
 566                 SLIST_FOREACH(op, &opt, op_next)
 567                         if (op->op_value == 0 &&
 568                             strcasecmp(op->op_name, wd) == 0) {
 569                                 if (not)
 570                                         match = 0;
 571                                 goto nextparam;
 572                         }
 573                 match &= not;
 574 nextparam:;
 575                 not = 0;
 576         }
 577         compile += match;
 578         if (compile && tp == NULL) {
 579                 if (std == 0 && nreqs == 0)
 580                         errout("%s: what is %s optional on?\n",
 581                                fname, this);
 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_ctfconvert)
 592                         tp->f_flags |= NO_CTFCONVERT;
 593                 if (no_obj)
 594                         tp->f_flags |= NO_OBJ | NO_CTFCONVERT;
 595                 if (before_depend)
 596                         tp->f_flags |= BEFORE_DEPEND;
 597                 if (nowerror)
 598                         tp->f_flags |= NOWERROR;
 599                 tp->f_compilewith = compilewith;
 600                 tp->f_depends = depends;
 601                 tp->f_clean = clean;
 602                 tp->f_warn = warning;
 603                 tp->f_objprefix = objprefix;
 604         }
 605         goto next;
 606 }
 607
 608 /*
 609  * Read in the information about files used in making the system.
 610  * Store it in the ftab linked list.
 611  */
 612 static void
 613 read_files(void)
 614 {
 615         char fname[MAXPATHLEN];
 616         struct files_name *nl, *tnl;
 617
 618         (void) snprintf(fname, sizeof(fname), "../../conf/files");
 619         read_file(fname);
 620         (void) snprintf(fname, sizeof(fname),
 621                         "../../conf/files.%s", machinename);
 622         read_file(fname);
 623         for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
 624                 read_file(nl->f_name);
 625                 tnl = STAILQ_NEXT(nl, f_next);
 626                 free(nl->f_name);
 627                 free(nl);
 628         }
 629 }
 630
 631 static void
 632 do_before_depend(FILE *fp)
 633 {
 634         struct file_list *tp;
 635         int lpos, len;
 636
 637         fputs("BEFORE_DEPEND=", fp);
 638         lpos = 15;
 639         STAILQ_FOREACH(tp, &ftab, f_next)
 640                 if (tp->f_flags & BEFORE_DEPEND) {
 641                         len = strlen(tp->f_fn) + strlen(tp->f_srcprefix);
 642                         if (len + lpos > 72) {
 643                                 lpos = 8;
 644                                 fputs("\\\n\t", fp);
 645                         }
 646                         if (tp->f_flags & NO_IMPLCT_RULE)
 647                                 lpos += fprintf(fp, "%s ", tp->f_fn);
 648                         else
 649                                 lpos += fprintf(fp, "%s%s ", tp->f_srcprefix,
 650                                     tp->f_fn);
 651                 }
 652         if (lpos != 8)
 653                 putc('\n', fp);
 654 }
 655
 656 static void
 657 do_objs(FILE *fp)
 658 {
 659         struct file_list *tp;
 660         int lpos, len;
 661         char *cp, och, *sp;
 662
 663         fprintf(fp, "OBJS=");
 664         lpos = 6;
 665         STAILQ_FOREACH(tp, &ftab, f_next) {
 666                 if (tp->f_flags & NO_OBJ)
 667                         continue;
 668                 sp = tail(tp->f_fn);
 669                 cp = sp + (len = strlen(sp)) - 1;
 670                 och = *cp;
 671                 *cp = 'o';
 672                 len += strlen(tp->f_objprefix);
 673                 if (len + lpos > 72) {
 674                         lpos = 8;
 675                         fprintf(fp, "\\\n\t");
 676                 }
 677                 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
 678                 lpos += len + 1;
 679                 *cp = och;
 680         }
 681         if (lpos != 8)
 682                 putc('\n', fp);
 683 }
 684
 685 static void
 686 do_xxfiles(char *tag, FILE *fp)
 687 {
 688         struct file_list *tp;
 689         int lpos, len, slen;
 690         char *suff, *SUFF;
 691
 692         if (tag[strlen(tag) - 1] == '\n')
 693                 tag[strlen(tag) - 1] = '\0';
 694
 695         suff = ns(tag + 7);
 696         SUFF = ns(suff);
 697         raisestr(SUFF);
 698         slen = strlen(suff);
 699
 700         fprintf(fp, "%sFILES=", SUFF);
 701         free(SUFF);
 702         lpos = 8;
 703         STAILQ_FOREACH(tp, &ftab, f_next)
 704                 if (tp->f_type != NODEPEND) {
 705                         len = strlen(tp->f_fn);
 706                         if (tp->f_fn[len - slen - 1] != '.')
 707                                 continue;
 708                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 709                                 continue;
 710                         if (len + strlen(tp->f_srcprefix) + lpos > 72) {
 711                                 lpos = 8;
 712                                 fputs("\\\n\t", fp);
 713                         }
 714                         lpos += fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
 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%so: %s%s%c %s\n",
 766                                         ftp->f_objprefix, tail(np),
 767                                         ftp->f_srcprefix, np, och,
 768                                         ftp->f_depends);
 769                         }
 770                         else {
 771                                 fprintf(f, "%s%so: %s%s%c\n",
 772                                         ftp->f_objprefix, tail(np),
 773                                         ftp->f_srcprefix, np, och);
 774                         }
 775                 }
 776                 compilewith = ftp->f_compilewith;
 777                 if (compilewith == NULL) {
 778                         const char *ftype = NULL;
 779
 780                         switch (ftp->f_type) {
 781                         case NORMAL:
 782                                 ftype = "NORMAL";
 783                                 break;
 784                         default:
 785                                 fprintf(stderr,
 786                                     "config: don't know rules for %s\n", np);
 787                                 break;
 788                         }
 789                         snprintf(cmd, sizeof(cmd),
 790                             "${%s_%c%s}", ftype,
 791                             toupper(och),
 792                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 793                         compilewith = cmd;
 794                 }
 795                 *cp = och;
 796                 if (strlen(ftp->f_objprefix))
 797                         fprintf(f, "\t%s %s%s\n", compilewith,
 798                             ftp->f_srcprefix, np);
 799                 else
 800                         fprintf(f, "\t%s\n", compilewith);
 801
 802                 if (!(ftp->f_flags & NO_CTFCONVERT))
 803                         fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
 804                 else
 805                         fprintf(f, "\n");
 806         }
 807 }
 808
 809 static void
 810 do_clean(FILE *fp)
 811 {
 812         struct file_list *tp;
 813         int lpos, len;
 814
 815         fputs("CLEAN=", fp);
 816         lpos = 7;
 817         STAILQ_FOREACH(tp, &ftab, f_next)
 818                 if (tp->f_clean) {
 819                         len = strlen(tp->f_clean);
 820                         if (len + lpos > 72) {
 821                                 lpos = 8;
 822                                 fputs("\\\n\t", fp);
 823                         }
 824                         fprintf(fp, "%s ", tp->f_clean);
 825                         lpos += len + 1;
 826                 }
 827         if (lpos != 8)
 828                 putc('\n', fp);
 829 }
 830
 831 char *
 832 raisestr(char *str)
 833 {
 834         char *cp = str;
 835
 836         while (*str) {
 837                 if (islower(*str))
 838                         *str = toupper(*str);
 839                 str++;
 840         }
 841         return (cp);
 842 }