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 int opteq(const char *, const char *);
  66 static void read_files(void);
  67 static void sanitize_envline(char *result, const char *src);
  68 static bool preprocess(char *line, char *result);
  69 static void process_into_file(char *line, FILE *ofp);
  70 static void process_into_nvlist(char *line, nvlist_t *nvl);
  71 static void dump_nvlist(nvlist_t *nvl, FILE *ofp);
  72
  73 static void errout(const char *fmt, ...)
  74 {
  75         va_list ap;
  76
  77         va_start(ap, fmt);
  78         vfprintf(stderr, fmt, ap);
  79         va_end(ap);
  80         exit(1);
  81 }
  82
  83 /*
  84  * Lookup a file, by name.
  85  */
  86 static struct file_list *
  87 fl_lookup(char *file)
  88 {
  89         struct file_list *fp;
  90
  91         STAILQ_FOREACH(fp, &ftab, f_next) {
  92                 if (eq(fp->f_fn, file))
  93                         return (fp);
  94         }
  95         return (0);
  96 }
  97
  98 /*
  99  * Make a new file list entry
 100  */
 101 static struct file_list *
 102 new_fent(void)
 103 {
 104         struct file_list *fp;
 105
 106         fp = (struct file_list *) calloc(1, sizeof *fp);
 107         if (fp == NULL)
 108                 err(EXIT_FAILURE, "calloc");
 109         STAILQ_INSERT_TAIL(&ftab, fp, f_next);
 110         return (fp);
 111 }
 112
 113 /*
 114  * Open the correct Makefile and return it, or error out.
 115  */
 116 FILE *
 117 open_makefile_template(void)
 118 {
 119         FILE *ifp;
 120         char line[BUFSIZ];
 121
 122         snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
 123         ifp = fopen(line, "r");
 124         if (ifp == NULL) {
 125                 snprintf(line, sizeof(line), "Makefile.%s", machinename);
 126                 ifp = fopen(line, "r");
 127         }
 128         if (ifp == NULL)
 129                 err(1, "%s", line);
 130         return (ifp);
 131 }
 132
 133 /*
 134  * Build the makefile from the skeleton
 135  */
 136 void
 137 makefile(void)
 138 {
 139         FILE *ifp, *ofp;
 140         char line[BUFSIZ];
 141         struct opt *op, *t;
 142
 143         read_files();
 144         ifp = open_makefile_template();
 145         ofp = fopen(path("Makefile.new"), "w");
 146         if (ofp == NULL)
 147                 err(1, "%s", path("Makefile.new"));
 148         fprintf(ofp, "KERN_IDENT=%s\n", ident);
 149         fprintf(ofp, "MACHINE=%s\n", machinename);
 150         fprintf(ofp, "MACHINE_ARCH=%s\n", machinearch);
 151         SLIST_FOREACH_SAFE(op, &mkopt, op_next, t) {
 152                 fprintf(ofp, "%s=%s", op->op_name, op->op_value);
 153                 while ((op = SLIST_NEXT(op, op_append)) != NULL)
 154                         fprintf(ofp, " %s", op->op_value);
 155                 fprintf(ofp, "\n");
 156         }
 157         if (debugging)
 158                 fprintf(ofp, "DEBUG=-g\n");
 159         if (profiling)
 160                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 161         if (*srcdir != '\0')
 162                 fprintf(ofp,"S=%s\n", srcdir);
 163         while (fgets(line, BUFSIZ, ifp) != NULL) {
 164                 if (*line != '%') {
 165                         fprintf(ofp, "%s", line);
 166                         continue;
 167                 }
 168                 if (eq(line, "%BEFORE_DEPEND\n"))
 169                         do_before_depend(ofp);
 170                 else if (eq(line, "%OBJS\n"))
 171                         do_objs(ofp);
 172                 else if (strncmp(line, "%FILES.", 7) == 0)
 173                         do_xxfiles(line, ofp);
 174                 else if (eq(line, "%RULES\n"))
 175                         do_rules(ofp);
 176                 else if (eq(line, "%CLEAN\n"))
 177                         do_clean(ofp);
 178                 else if (strncmp(line, "%VERSREQ=", 9) == 0)
 179                         line[0] = '\0'; /* handled elsewhere */
 180                 else
 181                         fprintf(stderr,
 182                             "Unknown %% construct in generic makefile: %s",
 183                             line);
 184         }
 185         (void) fclose(ifp);
 186         (void) fclose(ofp);
 187         moveifchanged(path("Makefile.new"), path("Makefile"));
 188 }
 189
 190 static void
 191 sanitize_envline(char *result, const char *src)
 192 {
 193         const char *eq;
 194         char c, *dst;
 195         bool leading;
 196
 197         /* If there is no '=' it's not a well-formed name=value line. */
 198         if ((eq = strchr(src, '=')) == NULL) {
 199                 *result = 0;
 200                 return;
 201         }
 202         dst = result;
 203
 204         /* Copy chars before the '=', skipping any leading spaces/quotes. */
 205         leading = true;
 206         while (src < eq) {
 207                 c = *src++;
 208                 if (leading && (isspace(c) || c == '"'))
 209                         continue;
 210                 *dst++ = c;
 211                 leading = false;
 212         }
 213
 214         /* If it was all leading space, we don't have a well-formed line. */
 215         if (leading) {
 216                 *result = 0;
 217                 return;
 218         }
 219
 220         /* Trim spaces/quotes immediately before the '=', then copy the '='. */
 221         while (isspace(dst[-1]) || dst[-1] == '"')
 222                 --dst;
 223         *dst++ = *src++;
 224
 225         /* Copy chars after the '=', skipping any leading whitespace. */
 226         leading = true;
 227         while ((c = *src++) != 0) {
 228                 if (leading && (isspace(c) || c == '"'))
 229                         continue;
 230                 *dst++ = c;
 231                 leading = false;
 232         }
 233
 234         /* If it was all leading space, it's a valid 'var=' (nil value). */
 235         if (leading) {
 236                 *dst = 0;
 237                 return;
 238         }
 239
 240         /* Trim trailing whitespace and quotes. */
 241         while (isspace(dst[-1]) || dst[-1] == '"')
 242                 --dst;
 243
 244         *dst = 0;
 245 }
 246
 247 /*
 248  * Returns true if the caller may use the string.
 249  */
 250 static bool
 251 preprocess(char *line, char *result)
 252 {
 253         char *s;
 254
 255         /* Strip any comments */
 256         if ((s = strchr(line, '#')) != NULL)
 257                 *s = '\0';
 258         sanitize_envline(result, line);
 259         /* Return true if it's non-empty */
 260         return (*result != '\0');
 261 }
 262
 263 static void
 264 process_into_file(char *line, FILE *ofp)
 265 {
 266         char result[BUFSIZ];
 267
 268         if (preprocess(line, result))
 269                 fprintf(ofp, "\"%s\\0\"\n", result);
 270 }
 271
 272 static void
 273 process_into_nvlist(char *line, nvlist_t *nvl)
 274 {
 275         char result[BUFSIZ], *s;
 276
 277         if (preprocess(line, result)) {
 278                 s = strchr(result, '=');
 279                 *s = '\0';
 280                 if (nvlist_exists(nvl, result))
 281                         nvlist_free(nvl, result);
 282                 nvlist_add_string(nvl, result, s + 1);
 283         }
 284 }
 285
 286 static void
 287 dump_nvlist(nvlist_t *nvl, FILE *ofp)
 288 {
 289         const char *name;
 290         void *cookie;
 291
 292         if (nvl == NULL)
 293                 return;
 294
 295         while (!nvlist_empty(nvl)) {
 296                 cookie = NULL;
 297                 name = nvlist_next(nvl, NULL, &cookie);
 298                 fprintf(ofp, "\"%s=%s\\0\"\n", name,
 299                      cnvlist_get_string(cookie));
 300
 301                 cnvlist_free_string(cookie);
 302         }
 303 }
 304
 305 /*
 306  * Build hints.c from the skeleton
 307  */
 308 void
 309 makehints(void)
 310 {
 311         FILE *ifp, *ofp;
 312         nvlist_t *nvl;
 313         char line[BUFSIZ];
 314         struct hint *hint;
 315
 316         ofp = fopen(path("hints.c.new"), "w");
 317         if (ofp == NULL)
 318                 err(1, "%s", path("hints.c.new"));
 319         fprintf(ofp, "#include <sys/types.h>\n");
 320         fprintf(ofp, "#include <sys/systm.h>\n");
 321         fprintf(ofp, "\n");
 322         /*
 323          * Write out hintmode for older kernels. Remove when config(8) major
 324          * version rolls over.
 325          */
 326         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 327                 fprintf(ofp, "int hintmode = %d;\n",
 328                         !STAILQ_EMPTY(&hints) ? 1 : 0);
 329         fprintf(ofp, "char static_hints[] = {\n");
 330         nvl = nvlist_create(0);
 331         STAILQ_FOREACH(hint, &hints, hint_next) {
 332                 ifp = fopen(hint->hint_name, "r");
 333                 if (ifp == NULL)
 334                         err(1, "%s", hint->hint_name);
 335                 while (fgets(line, BUFSIZ, ifp) != NULL)
 336                         process_into_nvlist(line, nvl);
 337                 dump_nvlist(nvl, ofp);
 338                 fclose(ifp);
 339         }
 340         nvlist_destroy(nvl);
 341         fprintf(ofp, "\"\\0\"\n};\n");
 342         fclose(ofp);
 343         moveifchanged(path("hints.c.new"), path("hints.c"));
 344 }
 345
 346 /*
 347  * Build env.c from the skeleton
 348  */
 349 void
 350 makeenv(void)
 351 {
 352         FILE *ifp, *ofp;
 353         nvlist_t *nvl;
 354         char line[BUFSIZ];
 355         struct envvar *envvar;
 356
 357         ofp = fopen(path("env.c.new"), "w");
 358         if (ofp == NULL)
 359                 err(1, "%s", path("env.c.new"));
 360         fprintf(ofp, "#include <sys/types.h>\n");
 361         fprintf(ofp, "#include <sys/systm.h>\n");
 362         fprintf(ofp, "\n");
 363         /*
 364          * Write out envmode for older kernels. Remove when config(8) major
 365          * version rolls over.
 366          */
 367         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 368                 fprintf(ofp, "int envmode = %d;\n",
 369                         !STAILQ_EMPTY(&envvars) ? 1 : 0);
 370         fprintf(ofp, "char static_env[] = {\n");
 371         nvl = nvlist_create(0);
 372         STAILQ_FOREACH(envvar, &envvars, envvar_next) {
 373                 if (envvar->env_is_file) {
 374                         ifp = fopen(envvar->env_str, "r");
 375                         if (ifp == NULL)
 376                                 err(1, "%s", envvar->env_str);
 377                         while (fgets(line, BUFSIZ, ifp) != NULL)
 378                                 process_into_nvlist(line, nvl);
 379                         dump_nvlist(nvl, ofp);
 380                         fclose(ifp);
 381                 } else
 382                         process_into_file(envvar->env_str, ofp);
 383         }
 384         nvlist_destroy(nvl);
 385         fprintf(ofp, "\"\\0\"\n};\n");
 386         fclose(ofp);
 387         moveifchanged(path("env.c.new"), path("env.c"));
 388 }
 389
 390 static void
 391 read_file(char *fname)
 392 {
 393         char ifname[MAXPATHLEN];
 394         FILE *fp;
 395         struct file_list *tp;
 396         struct device *dp;
 397         struct opt *op;
 398         char *wd, *this, *compilewith, *depends, *clean, *warning;
 399         const char *objprefix;
 400         int compile, match, nreqs, std, filetype, not,
 401             imp_rule, no_obj, before_depend, nowerror;
 402
 403         fp = fopen(fname, "r");
 404         if (fp == NULL)
 405                 err(1, "%s", fname);
 406 next:
 407         /*
 408          * include "filename"
 409          * filename    [ standard | optional ]
 410          *      [ dev* [ | dev* ... ] | profiling-routine ] [ no-obj ]
 411          *      [ compile-with "compile rule" [no-implicit-rule] ]
 412          *      [ dependency "dependency-list"] [ before-depend ]
 413          *      [ clean "file-list"] [ warning "text warning" ]
 414          *      [ obj-prefix "file prefix"]
 415          */
 416         wd = get_word(fp);
 417         if (wd == (char *)EOF) {
 418                 (void) fclose(fp);
 419                 return;
 420         }
 421         if (wd == NULL)
 422                 goto next;
 423         if (wd[0] == '#')
 424         {
 425                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 426                         ;
 427                 goto next;
 428         }
 429         if (eq(wd, "include")) {
 430                 wd = get_quoted_word(fp);
 431                 if (wd == (char *)EOF || wd == NULL)
 432                         errout("%s: missing include filename.\n", fname);
 433                 (void) snprintf(ifname, sizeof(ifname), "../../%s", wd);
 434                 read_file(ifname);
 435                 while (((wd = get_word(fp)) != (char *)EOF) && wd)
 436                         ;
 437                 goto next;
 438         }
 439         this = ns(wd);
 440         wd = get_word(fp);
 441         if (wd == (char *)EOF)
 442                 return;
 443         if (wd == NULL)
 444                 errout("%s: No type for %s.\n", fname, this);
 445         tp = fl_lookup(this);
 446         compile = 0;
 447         match = 1;
 448         nreqs = 0;
 449         compilewith = 0;
 450         depends = 0;
 451         clean = 0;
 452         warning = 0;
 453         std = 0;
 454         imp_rule = 0;
 455         no_obj = 0;
 456         before_depend = 0;
 457         nowerror = 0;
 458         not = 0;
 459         filetype = NORMAL;
 460         objprefix = "";
 461         if (eq(wd, "standard"))
 462                 std = 1;
 463         else if (!eq(wd, "optional"))
 464                 errout("%s: \"%s\" %s must be optional or standard\n",
 465                     fname, wd, this);
 466         for (wd = get_word(fp); wd; wd = get_word(fp)) {
 467                 if (wd == (char *)EOF)
 468                         return;
 469                 if (eq(wd, "!")) {
 470                         not = 1;
 471                         continue;
 472                 }
 473                 if (eq(wd, "|")) {
 474                         if (nreqs == 0)
 475                                 errout("%s: syntax error describing %s\n",
 476                                        fname, this);
 477                         compile += match;
 478                         match = 1;
 479                         nreqs = 0;
 480                         continue;
 481                 }
 482                 if (eq(wd, "no-obj")) {
 483                         no_obj++;
 484                         continue;
 485                 }
 486                 if (eq(wd, "no-implicit-rule")) {
 487                         if (compilewith == NULL)
 488                                 errout("%s: alternate rule required when "
 489                                        "\"no-implicit-rule\" is specified for"
 490                                        " %s.\n",
 491                                        fname, this);
 492                         imp_rule++;
 493                         continue;
 494                 }
 495                 if (eq(wd, "before-depend")) {
 496                         before_depend++;
 497                         continue;
 498                 }
 499                 if (eq(wd, "dependency")) {
 500                         wd = get_quoted_word(fp);
 501                         if (wd == (char *)EOF || wd == NULL)
 502                                 errout("%s: %s missing dependency string.\n",
 503                                        fname, this);
 504                         depends = ns(wd);
 505                         continue;
 506                 }
 507                 if (eq(wd, "clean")) {
 508                         wd = get_quoted_word(fp);
 509                         if (wd == (char *)EOF || wd == NULL)
 510                                 errout("%s: %s missing clean file list.\n",
 511                                        fname, this);
 512                         clean = ns(wd);
 513                         continue;
 514                 }
 515                 if (eq(wd, "compile-with")) {
 516                         wd = get_quoted_word(fp);
 517                         if (wd == (char *)EOF || wd == NULL)
 518                                 errout("%s: %s missing compile command string.\n",
 519                                        fname, this);
 520                         compilewith = ns(wd);
 521                         continue;
 522                 }
 523                 if (eq(wd, "warning")) {
 524                         wd = get_quoted_word(fp);
 525                         if (wd == (char *)EOF || wd == NULL)
 526                                 errout("%s: %s missing warning text string.\n",
 527                                        fname, this);
 528                         warning = ns(wd);
 529                         continue;
 530                 }
 531                 if (eq(wd, "obj-prefix")) {
 532                         wd = get_quoted_word(fp);
 533                         if (wd == (char *)EOF || wd == NULL)
 534                                 errout("%s: %s missing object prefix string.\n",
 535                                        fname, this);
 536                         objprefix = ns(wd);
 537                         continue;
 538                 }
 539                 if (eq(wd, "nowerror")) {
 540                         nowerror = 1;
 541                         continue;
 542                 }
 543                 if (eq(wd, "local")) {
 544                         filetype = LOCAL;
 545                         continue;
 546                 }
 547                 if (eq(wd, "no-depend")) {
 548                         filetype = NODEPEND;
 549                         continue;
 550                 }
 551                 nreqs++;
 552                 if (eq(wd, "profiling-routine")) {
 553                         filetype = PROFILING;
 554                         continue;
 555                 }
 556                 if (std)
 557                         errout("standard entry %s has optional inclusion specifier %s!\n",
 558                                this, wd);
 559                 STAILQ_FOREACH(dp, &dtab, d_next)
 560                         if (eq(dp->d_name, wd)) {
 561                                 if (not)
 562                                         match = 0;
 563                                 else
 564                                         dp->d_done |= DEVDONE;
 565                                 goto nextparam;
 566                         }
 567                 SLIST_FOREACH(op, &opt, op_next)
 568                         if (op->op_value == 0 && opteq(op->op_name, wd)) {
 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                 if (filetype == PROFILING && profiling == 0)
 583                         goto next;
 584                 tp = new_fent();
 585                 tp->f_fn = this;
 586                 tp->f_type = filetype;
 587                 if (filetype == LOCAL)
 588                         tp->f_srcprefix = "";
 589                 else
 590                         tp->f_srcprefix = "$S/";
 591                 if (imp_rule)
 592                         tp->f_flags |= NO_IMPLCT_RULE;
 593                 if (no_obj)
 594                         tp->f_flags |= NO_OBJ;
 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 int
 632 opteq(const char *cp, const char *dp)
 633 {
 634         char c, d;
 635
 636         for (; ; cp++, dp++) {
 637                 if (*cp != *dp) {
 638                         c = isupper(*cp) ? tolower(*cp) : *cp;
 639                         d = isupper(*dp) ? tolower(*dp) : *dp;
 640                         if (c != d)
 641                                 return (0);
 642                 }
 643                 if (*cp == 0)
 644                         return (1);
 645         }
 646 }
 647
 648 static void
 649 do_before_depend(FILE *fp)
 650 {
 651         struct file_list *tp;
 652         int lpos, len;
 653
 654         fputs("BEFORE_DEPEND=", fp);
 655         lpos = 15;
 656         STAILQ_FOREACH(tp, &ftab, f_next)
 657                 if (tp->f_flags & BEFORE_DEPEND) {
 658                         len = strlen(tp->f_fn);
 659                         if ((len = 3 + len) + lpos > 72) {
 660                                 lpos = 8;
 661                                 fputs("\\\n\t", fp);
 662                         }
 663                         if (tp->f_flags & NO_IMPLCT_RULE)
 664                                 fprintf(fp, "%s ", tp->f_fn);
 665                         else
 666                                 fprintf(fp, "%s%s ", tp->f_srcprefix,
 667                                     tp->f_fn);
 668                         lpos += len + 1;
 669                 }
 670         if (lpos != 8)
 671                 putc('\n', fp);
 672 }
 673
 674 static void
 675 do_objs(FILE *fp)
 676 {
 677         struct file_list *tp;
 678         int lpos, len;
 679         char *cp, och, *sp;
 680
 681         fprintf(fp, "OBJS=");
 682         lpos = 6;
 683         STAILQ_FOREACH(tp, &ftab, f_next) {
 684                 if (tp->f_flags & NO_OBJ)
 685                         continue;
 686                 sp = tail(tp->f_fn);
 687                 cp = sp + (len = strlen(sp)) - 1;
 688                 och = *cp;
 689                 *cp = 'o';
 690                 len += strlen(tp->f_objprefix);
 691                 if (len + lpos > 72) {
 692                         lpos = 8;
 693                         fprintf(fp, "\\\n\t");
 694                 }
 695                 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
 696                 lpos += len + 1;
 697                 *cp = och;
 698         }
 699         if (lpos != 8)
 700                 putc('\n', fp);
 701 }
 702
 703 static void
 704 do_xxfiles(char *tag, FILE *fp)
 705 {
 706         struct file_list *tp;
 707         int lpos, len, slen;
 708         char *suff, *SUFF;
 709
 710         if (tag[strlen(tag) - 1] == '\n')
 711                 tag[strlen(tag) - 1] = '\0';
 712
 713         suff = ns(tag + 7);
 714         SUFF = ns(suff);
 715         raisestr(SUFF);
 716         slen = strlen(suff);
 717
 718         fprintf(fp, "%sFILES=", SUFF);
 719         free(SUFF);
 720         lpos = 8;
 721         STAILQ_FOREACH(tp, &ftab, f_next)
 722                 if (tp->f_type != NODEPEND) {
 723                         len = strlen(tp->f_fn);
 724                         if (tp->f_fn[len - slen - 1] != '.')
 725                                 continue;
 726                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 727                                 continue;
 728                         if ((len = 3 + len) + lpos > 72) {
 729                                 lpos = 8;
 730                                 fputs("\\\n\t", fp);
 731                         }
 732                         fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
 733                         lpos += len + 1;
 734                 }
 735         free(suff);
 736         if (lpos != 8)
 737                 putc('\n', fp);
 738 }
 739
 740 static char *
 741 tail(char *fn)
 742 {
 743         char *cp;
 744
 745         cp = strrchr(fn, '/');
 746         if (cp == NULL)
 747                 return (fn);
 748         return (cp+1);
 749 }
 750
 751 /*
 752  * Create the makerules for each file
 753  * which is part of the system.
 754  */
 755 static void
 756 do_rules(FILE *f)
 757 {
 758         char *cp, *np, och;
 759         struct file_list *ftp;
 760         char *compilewith;
 761         char cmd[128];
 762
 763         STAILQ_FOREACH(ftp, &ftab, f_next) {
 764                 if (ftp->f_warn)
 765                         fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
 766                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 767                 och = *cp;
 768                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 769                         if (ftp->f_depends)
 770                                 fprintf(f, "%s%s: %s\n",
 771                                         ftp->f_objprefix, np, ftp->f_depends);
 772                         else
 773                                 fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
 774                 }
 775                 else {
 776                         *cp = '\0';
 777                         if (och == 'o') {
 778                                 fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
 779                                         ftp->f_objprefix, tail(np),
 780                                         ftp->f_srcprefix, np);
 781                                 continue;
 782                         }
 783                         if (ftp->f_depends) {
 784                                 fprintf(f, "%s%so: %s%s%c %s\n",
 785                                         ftp->f_objprefix, tail(np),
 786                                         ftp->f_srcprefix, np, och,
 787                                         ftp->f_depends);
 788                         }
 789                         else {
 790                                 fprintf(f, "%s%so: %s%s%c\n",
 791                                         ftp->f_objprefix, tail(np),
 792                                         ftp->f_srcprefix, np, och);
 793                         }
 794                 }
 795                 compilewith = ftp->f_compilewith;
 796                 if (compilewith == NULL) {
 797                         const char *ftype = NULL;
 798
 799                         switch (ftp->f_type) {
 800                         case NORMAL:
 801                                 ftype = "NORMAL";
 802                                 break;
 803                         case PROFILING:
 804                                 if (!profiling)
 805                                         continue;
 806                                 ftype = "PROFILE";
 807                                 break;
 808                         default:
 809                                 fprintf(stderr,
 810                                     "config: don't know rules for %s\n", np);
 811                                 break;
 812                         }
 813                         snprintf(cmd, sizeof(cmd),
 814                             "${%s_%c%s}", ftype,
 815                             toupper(och),
 816                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 817                         compilewith = cmd;
 818                 }
 819                 *cp = och;
 820                 if (strlen(ftp->f_objprefix))
 821                         fprintf(f, "\t%s %s%s\n", compilewith,
 822                             ftp->f_srcprefix, np);
 823                 else
 824                         fprintf(f, "\t%s\n", compilewith);
 825
 826                 if (!(ftp->f_flags & NO_OBJ))
 827                         fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
 828                 else
 829                         fprintf(f, "\n");
 830         }
 831 }
 832
 833 static void
 834 do_clean(FILE *fp)
 835 {
 836         struct file_list *tp;
 837         int lpos, len;
 838
 839         fputs("CLEAN=", fp);
 840         lpos = 7;
 841         STAILQ_FOREACH(tp, &ftab, f_next)
 842                 if (tp->f_clean) {
 843                         len = strlen(tp->f_clean);
 844                         if (len + lpos > 72) {
 845                                 lpos = 8;
 846                                 fputs("\\\n\t", fp);
 847                         }
 848                         fprintf(fp, "%s ", tp->f_clean);
 849                         lpos += len + 1;
 850                 }
 851         if (lpos != 8)
 852                 putc('\n', fp);
 853 }
 854
 855 char *
 856 raisestr(char *str)
 857 {
 858         char *cp = str;
 859
 860         while (*str) {
 861                 if (islower(*str))
 862                         *str = toupper(*str);
 863                 str++;
 864         }
 865         return (cp);
 866 }