usr.sbin/config/mkmakefile.c

   1 /*
   2  * Copyright (c) 1980, 1990, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 4. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 #ifndef lint
  31 #if 0
  32 static char sccsid[] = "@(#)mkmakefile.c        8.1 (Berkeley) 6/6/93";
  33 #endif
  34 static const char rcsid[] =
  35   "$FreeBSD$";
  36 #endif /* not lint */
  37
  38 /*
  39  * Build the makefile for the system, from
  40  * the information in the files files and the
  41  * additional files for the machine being compiled to.
  42  */
  43
  44 #include <ctype.h>
  45 #include <err.h>
  46 #include <stdarg.h>
  47 #include <stdbool.h>
  48 #include <stdio.h>
  49 #include <string.h>
  50 #include <sys/cnv.h>
  51 #include <sys/nv.h>
  52 #include <sys/param.h>
  53 #include "y.tab.h"
  54 #include "config.h"
  55 #include "configvers.h"
  56
  57 static char *tail(char *);
  58 static void do_clean(FILE *);
  59 static void do_rules(FILE *);
  60 static void do_xxfiles(char *, FILE *);
  61 static void do_objs(FILE *);
  62 static void do_before_depend(FILE *);
  63 static int opteq(const char *, const char *);
  64 static void read_files(void);
  65 static void sanitize_envline(char *result, const char *src);
  66 static bool preprocess(char *line, char *result);
  67 static void process_into_file(char *line, FILE *ofp);
  68 static void process_into_nvlist(char *line, nvlist_t *nvl);
  69 static void dump_nvlist(nvlist_t *nvl, FILE *ofp);
  70
  71 static void errout(const char *fmt, ...)
  72 {
  73         va_list ap;
  74
  75         va_start(ap, fmt);
  76         vfprintf(stderr, fmt, ap);
  77         va_end(ap);
  78         exit(1);
  79 }
  80
  81 /*
  82  * Lookup a file, by name.
  83  */
  84 static struct file_list *
  85 fl_lookup(char *file)
  86 {
  87         struct file_list *fp;
  88
  89         STAILQ_FOREACH(fp, &ftab, f_next) {
  90                 if (eq(fp->f_fn, file))
  91                         return (fp);
  92         }
  93         return (0);
  94 }
  95
  96 /*
  97  * Make a new file list entry
  98  */
  99 static struct file_list *
 100 new_fent(void)
 101 {
 102         struct file_list *fp;
 103
 104         fp = (struct file_list *) calloc(1, sizeof *fp);
 105         if (fp == NULL)
 106                 err(EXIT_FAILURE, "calloc");
 107         STAILQ_INSERT_TAIL(&ftab, fp, f_next);
 108         return (fp);
 109 }
 110
 111 /*
 112  * Open the correct Makefile and return it, or error out.
 113  */
 114 FILE *
 115 open_makefile_template(void)
 116 {
 117         FILE *ifp;
 118         char line[BUFSIZ];
 119
 120         snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
 121         ifp = fopen(line, "r");
 122         if (ifp == NULL) {
 123                 snprintf(line, sizeof(line), "Makefile.%s", machinename);
 124                 ifp = fopen(line, "r");
 125         }
 126         if (ifp == NULL)
 127                 err(1, "%s", line);
 128         return (ifp);
 129 }
 130
 131 /*
 132  * Build the makefile from the skeleton
 133  */
 134 void
 135 makefile(void)
 136 {
 137         FILE *ifp, *ofp;
 138         char line[BUFSIZ];
 139         struct opt *op, *t;
 140
 141         read_files();
 142         ifp = open_makefile_template();
 143         ofp = fopen(path("Makefile.new"), "w");
 144         if (ofp == NULL)
 145                 err(1, "%s", path("Makefile.new"));
 146         fprintf(ofp, "KERN_IDENT=%s\n", ident);
 147         fprintf(ofp, "MACHINE=%s\n", machinename);
 148         fprintf(ofp, "MACHINE_ARCH=%s\n", machinearch);
 149         SLIST_FOREACH_SAFE(op, &mkopt, op_next, t) {
 150                 fprintf(ofp, "%s=%s", op->op_name, op->op_value);
 151                 while ((op = SLIST_NEXT(op, op_append)) != NULL)
 152                         fprintf(ofp, " %s", op->op_value);
 153                 fprintf(ofp, "\n");
 154         }
 155         if (debugging)
 156                 fprintf(ofp, "DEBUG=-g\n");
 157         if (profiling)
 158                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 159         if (*srcdir != '\0')
 160                 fprintf(ofp,"S=%s\n", srcdir);
 161         while (fgets(line, BUFSIZ, ifp) != NULL) {
 162                 if (*line != '%') {
 163                         fprintf(ofp, "%s", line);
 164                         continue;
 165                 }
 166                 if (eq(line, "%BEFORE_DEPEND\n"))
 167                         do_before_depend(ofp);
 168                 else if (eq(line, "%OBJS\n"))
 169                         do_objs(ofp);
 170                 else if (strncmp(line, "%FILES.", 7) == 0)
 171                         do_xxfiles(line, ofp);
 172                 else if (eq(line, "%RULES\n"))
 173                         do_rules(ofp);
 174                 else if (eq(line, "%CLEAN\n"))
 175                         do_clean(ofp);
 176                 else if (strncmp(line, "%VERSREQ=", 9) == 0)
 177                         line[0] = '\0'; /* handled elsewhere */
 178                 else
 179                         fprintf(stderr,
 180                             "Unknown %% construct in generic makefile: %s",
 181                             line);
 182         }
 183         (void) fclose(ifp);
 184         (void) fclose(ofp);
 185         moveifchanged(path("Makefile.new"), path("Makefile"));
 186 }
 187
 188 static void
 189 sanitize_envline(char *result, const char *src)
 190 {
 191         const char *eq;
 192         char c, *dst;
 193         bool leading;
 194
 195         /* If there is no '=' it's not a well-formed name=value line. */
 196         if ((eq = strchr(src, '=')) == NULL) {
 197                 *result = 0;
 198                 return;
 199         }
 200         dst = result;
 201
 202         /* Copy chars before the '=', skipping any leading spaces/quotes. */
 203         leading = true;
 204         while (src < eq) {
 205                 c = *src++;
 206                 if (leading && (isspace(c) || c == '"'))
 207                         continue;
 208                 *dst++ = c;
 209                 leading = false;
 210         }
 211
 212         /* If it was all leading space, we don't have a well-formed line. */
 213         if (leading) {
 214                 *result = 0;
 215                 return;
 216         }
 217
 218         /* Trim spaces/quotes immediately before the '=', then copy the '='. */
 219         while (isspace(dst[-1]) || dst[-1] == '"')
 220                 --dst;
 221         *dst++ = *src++;
 222
 223         /* Copy chars after the '=', skipping any leading whitespace. */
 224         leading = true;
 225         while ((c = *src++) != 0) {
 226                 if (leading && (isspace(c) || c == '"'))
 227                         continue;
 228                 *dst++ = c;
 229                 leading = false;
 230         }
 231
 232         /* If it was all leading space, it's a valid 'var=' (nil value). */
 233         if (leading) {
 234                 *dst = 0;
 235                 return;
 236         }
 237
 238         /* Trim trailing whitespace and quotes. */
 239         while (isspace(dst[-1]) || dst[-1] == '"')
 240                 --dst;
 241
 242         *dst = 0;
 243 }
 244
 245 /*
 246  * Returns true if the caller may use the string.
 247  */
 248 static bool
 249 preprocess(char *line, char *result)
 250 {
 251         char *s;
 252
 253         /* Strip any comments */
 254         if ((s = strchr(line, '#')) != NULL)
 255                 *s = '\0';
 256         sanitize_envline(result, line);
 257         /* Return true if it's non-empty */
 258         return (*result != '\0');
 259 }
 260
 261 static void
 262 process_into_file(char *line, FILE *ofp)
 263 {
 264         char result[BUFSIZ];
 265
 266         if (preprocess(line, result))
 267                 fprintf(ofp, "\"%s\\0\"\n", result);
 268 }
 269
 270 static void
 271 process_into_nvlist(char *line, nvlist_t *nvl)
 272 {
 273         char result[BUFSIZ], *s;
 274
 275         if (preprocess(line, result)) {
 276                 s = strchr(result, '=');
 277                 *s = '\0';
 278                 if (nvlist_exists(nvl, result))
 279                         nvlist_free(nvl, result);
 280                 nvlist_add_string(nvl, result, s + 1);
 281         }
 282 }
 283
 284 static void
 285 dump_nvlist(nvlist_t *nvl, FILE *ofp)
 286 {
 287         const char *name;
 288         void *cookie;
 289
 290         if (nvl == NULL)
 291                 return;
 292
 293         while (!nvlist_empty(nvl)) {
 294                 cookie = NULL;
 295                 name = nvlist_next(nvl, NULL, &cookie);
 296                 fprintf(ofp, "\"%s=%s\\0\"\n", name,
 297                      cnvlist_get_string(cookie));
 298
 299                 cnvlist_free_string(cookie);
 300         }
 301 }
 302
 303 /*
 304  * Build hints.c from the skeleton
 305  */
 306 void
 307 makehints(void)
 308 {
 309         FILE *ifp, *ofp;
 310         nvlist_t *nvl;
 311         char line[BUFSIZ];
 312         struct hint *hint;
 313
 314         ofp = fopen(path("hints.c.new"), "w");
 315         if (ofp == NULL)
 316                 err(1, "%s", path("hints.c.new"));
 317         fprintf(ofp, "#include <sys/types.h>\n");
 318         fprintf(ofp, "#include <sys/systm.h>\n");
 319         fprintf(ofp, "\n");
 320         /*
 321          * Write out hintmode for older kernels. Remove when config(8) major
 322          * version rolls over.
 323          */
 324         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 325                 fprintf(ofp, "int hintmode = %d;\n",
 326                         !STAILQ_EMPTY(&hints) ? 1 : 0);
 327         fprintf(ofp, "char static_hints[] = {\n");
 328         nvl = nvlist_create(0);
 329         STAILQ_FOREACH(hint, &hints, hint_next) {
 330                 ifp = fopen(hint->hint_name, "r");
 331                 if (ifp == NULL)
 332                         err(1, "%s", hint->hint_name);
 333                 while (fgets(line, BUFSIZ, ifp) != NULL)
 334                         process_into_nvlist(line, nvl);
 335                 dump_nvlist(nvl, ofp);
 336                 fclose(ifp);
 337         }
 338         nvlist_destroy(nvl);
 339         fprintf(ofp, "\"\\0\"\n};\n");
 340         fclose(ofp);
 341         moveifchanged(path("hints.c.new"), path("hints.c"));
 342 }
 343
 344 /*
 345  * Build env.c from the skeleton
 346  */
 347 void
 348 makeenv(void)
 349 {
 350         FILE *ifp, *ofp;
 351         nvlist_t *nvl;
 352         char line[BUFSIZ];
 353         struct envvar *envvar;
 354
 355         ofp = fopen(path("env.c.new"), "w");
 356         if (ofp == NULL)
 357                 err(1, "%s", path("env.c.new"));
 358         fprintf(ofp, "#include <sys/types.h>\n");
 359         fprintf(ofp, "#include <sys/systm.h>\n");
 360         fprintf(ofp, "\n");
 361         /*
 362          * Write out envmode for older kernels. Remove when config(8) major
 363          * version rolls over.
 364          */
 365         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 366                 fprintf(ofp, "int envmode = %d;\n",
 367                         !STAILQ_EMPTY(&envvars) ? 1 : 0);
 368         fprintf(ofp, "char static_env[] = {\n");
 369         nvl = nvlist_create(0);
 370         STAILQ_FOREACH(envvar, &envvars, envvar_next) {
 371                 if (envvar->env_is_file) {
 372                         ifp = fopen(envvar->env_str, "r");
 373                         if (ifp == NULL)
 374                                 err(1, "%s", envvar->env_str);
 375                         while (fgets(line, BUFSIZ, ifp) != NULL)
 376                                 process_into_nvlist(line, nvl);
 377                         dump_nvlist(nvl, ofp);
 378                         fclose(ifp);
 379                 } else
 380                         process_into_file(envvar->env_str, ofp);
 381         }
 382         nvlist_destroy(nvl);
 383         fprintf(ofp, "\"\\0\"\n};\n");
 384         fclose(ofp);
 385         moveifchanged(path("env.c.new"), path("env.c"));
 386 }
 387
 388 static void
 389 read_file(char *fname)
 390 {
 391         char ifname[MAXPATHLEN];
 392         FILE *fp;
 393         struct file_list *tp;
 394         struct device *dp;
 395         struct opt *op;
 396         char *wd, *this, *compilewith, *depends, *clean, *warning;
 397         const char *objprefix;
 398         int compile, match, nreqs, std, filetype, not,
 399             imp_rule, no_obj, before_depend, nowerror;
 400
 401         fp = fopen(fname, "r");
 402         if (fp == NULL)
 403                 err(1, "%s", fname);
 404 next:
 405         /*
 406          * include "filename"
 407          * filename    [ standard | optional ]
 408          *      [ dev* [ | dev* ... ] | profiling-routine ] [ no-obj ]
 409          *      [ compile-with "compile rule" [no-implicit-rule] ]
 410          *      [ dependency "dependency-list"] [ before-depend ]
 411          *      [ clean "file-list"] [ warning "text warning" ]
 412          *      [ obj-prefix "file prefix"]
 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 = 0;
 448         depends = 0;
 449         clean = 0;
 450         warning = 0;
 451         std = 0;
 452         imp_rule = 0;
 453         no_obj = 0;
 454         before_depend = 0;
 455         nowerror = 0;
 456         not = 0;
 457         filetype = NORMAL;
 458         objprefix = "";
 459         if (eq(wd, "standard"))
 460                 std = 1;
 461         else if (!eq(wd, "optional"))
 462                 errout("%s: \"%s\" %s must be optional or standard\n",
 463                     fname, wd, this);
 464         for (wd = get_word(fp); wd; wd = get_word(fp)) {
 465                 if (wd == (char *)EOF)
 466                         return;
 467                 if (eq(wd, "!")) {
 468                         not = 1;
 469                         continue;
 470                 }
 471                 if (eq(wd, "|")) {
 472                         if (nreqs == 0)
 473                                 errout("%s: syntax error describing %s\n",
 474                                        fname, this);
 475                         compile += match;
 476                         match = 1;
 477                         nreqs = 0;
 478                         continue;
 479                 }
 480                 if (eq(wd, "no-obj")) {
 481                         no_obj++;
 482                         continue;
 483                 }
 484                 if (eq(wd, "no-implicit-rule")) {
 485                         if (compilewith == NULL)
 486                                 errout("%s: alternate rule required when "
 487                                        "\"no-implicit-rule\" is specified for"
 488                                        " %s.\n",
 489                                        fname, this);
 490                         imp_rule++;
 491                         continue;
 492                 }
 493                 if (eq(wd, "before-depend")) {
 494                         before_depend++;
 495                         continue;
 496                 }
 497                 if (eq(wd, "dependency")) {
 498                         wd = get_quoted_word(fp);
 499                         if (wd == (char *)EOF || wd == NULL)
 500                                 errout("%s: %s missing dependency string.\n",
 501                                        fname, this);
 502                         depends = ns(wd);
 503                         continue;
 504                 }
 505                 if (eq(wd, "clean")) {
 506                         wd = get_quoted_word(fp);
 507                         if (wd == (char *)EOF || wd == NULL)
 508                                 errout("%s: %s missing clean file list.\n",
 509                                        fname, this);
 510                         clean = ns(wd);
 511                         continue;
 512                 }
 513                 if (eq(wd, "compile-with")) {
 514                         wd = get_quoted_word(fp);
 515                         if (wd == (char *)EOF || wd == NULL)
 516                                 errout("%s: %s missing compile command string.\n",
 517                                        fname, this);
 518                         compilewith = ns(wd);
 519                         continue;
 520                 }
 521                 if (eq(wd, "warning")) {
 522                         wd = get_quoted_word(fp);
 523                         if (wd == (char *)EOF || wd == NULL)
 524                                 errout("%s: %s missing warning text string.\n",
 525                                        fname, this);
 526                         warning = ns(wd);
 527                         continue;
 528                 }
 529                 if (eq(wd, "obj-prefix")) {
 530                         wd = get_quoted_word(fp);
 531                         if (wd == (char *)EOF || wd == NULL)
 532                                 errout("%s: %s missing object prefix string.\n",
 533                                        fname, this);
 534                         objprefix = ns(wd);
 535                         continue;
 536                 }
 537                 if (eq(wd, "nowerror")) {
 538                         nowerror = 1;
 539                         continue;
 540                 }
 541                 if (eq(wd, "local")) {
 542                         filetype = LOCAL;
 543                         continue;
 544                 }
 545                 if (eq(wd, "no-depend")) {
 546                         filetype = NODEPEND;
 547                         continue;
 548                 }
 549                 nreqs++;
 550                 if (eq(wd, "profiling-routine")) {
 551                         filetype = PROFILING;
 552                         continue;
 553                 }
 554                 if (std)
 555                         errout("standard entry %s has optional inclusion specifier %s!\n",
 556                                this, wd);
 557                 STAILQ_FOREACH(dp, &dtab, d_next)
 558                         if (eq(dp->d_name, wd)) {
 559                                 if (not)
 560                                         match = 0;
 561                                 else
 562                                         dp->d_done |= DEVDONE;
 563                                 goto nextparam;
 564                         }
 565                 SLIST_FOREACH(op, &opt, op_next)
 566                         if (op->op_value == 0 && opteq(op->op_name, wd)) {
 567                                 if (not)
 568                                         match = 0;
 569                                 goto nextparam;
 570                         }
 571                 match &= not;
 572 nextparam:;
 573                 not = 0;
 574         }
 575         compile += match;
 576         if (compile && tp == NULL) {
 577                 if (std == 0 && nreqs == 0)
 578                         errout("%s: what is %s optional on?\n",
 579                                fname, this);
 580                 if (filetype == PROFILING && profiling == 0)
 581                         goto next;
 582                 tp = new_fent();
 583                 tp->f_fn = this;
 584                 tp->f_type = filetype;
 585                 if (filetype == LOCAL)
 586                         tp->f_srcprefix = "";
 587                 else
 588                         tp->f_srcprefix = "$S/";
 589                 if (imp_rule)
 590                         tp->f_flags |= NO_IMPLCT_RULE;
 591                 if (no_obj)
 592                         tp->f_flags |= NO_OBJ;
 593                 if (before_depend)
 594                         tp->f_flags |= BEFORE_DEPEND;
 595                 if (nowerror)
 596                         tp->f_flags |= NOWERROR;
 597                 tp->f_compilewith = compilewith;
 598                 tp->f_depends = depends;
 599                 tp->f_clean = clean;
 600                 tp->f_warn = warning;
 601                 tp->f_objprefix = objprefix;
 602         }
 603         goto next;
 604 }
 605
 606 /*
 607  * Read in the information about files used in making the system.
 608  * Store it in the ftab linked list.
 609  */
 610 static void
 611 read_files(void)
 612 {
 613         char fname[MAXPATHLEN];
 614         struct files_name *nl, *tnl;
 615
 616         (void) snprintf(fname, sizeof(fname), "../../conf/files");
 617         read_file(fname);
 618         (void) snprintf(fname, sizeof(fname),
 619                         "../../conf/files.%s", machinename);
 620         read_file(fname);
 621         for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
 622                 read_file(nl->f_name);
 623                 tnl = STAILQ_NEXT(nl, f_next);
 624                 free(nl->f_name);
 625                 free(nl);
 626         }
 627 }
 628
 629 static int
 630 opteq(const char *cp, const char *dp)
 631 {
 632         char c, d;
 633
 634         for (; ; cp++, dp++) {
 635                 if (*cp != *dp) {
 636                         c = isupper(*cp) ? tolower(*cp) : *cp;
 637                         d = isupper(*dp) ? tolower(*dp) : *dp;
 638                         if (c != d)
 639                                 return (0);
 640                 }
 641                 if (*cp == 0)
 642                         return (1);
 643         }
 644 }
 645
 646 static void
 647 do_before_depend(FILE *fp)
 648 {
 649         struct file_list *tp;
 650         int lpos, len;
 651
 652         fputs("BEFORE_DEPEND=", fp);
 653         lpos = 15;
 654         STAILQ_FOREACH(tp, &ftab, f_next)
 655                 if (tp->f_flags & BEFORE_DEPEND) {
 656                         len = strlen(tp->f_fn);
 657                         if ((len = 3 + len) + lpos > 72) {
 658                                 lpos = 8;
 659                                 fputs("\\\n\t", fp);
 660                         }
 661                         if (tp->f_flags & NO_IMPLCT_RULE)
 662                                 fprintf(fp, "%s ", tp->f_fn);
 663                         else
 664                                 fprintf(fp, "%s%s ", tp->f_srcprefix,
 665                                     tp->f_fn);
 666                         lpos += len + 1;
 667                 }
 668         if (lpos != 8)
 669                 putc('\n', fp);
 670 }
 671
 672 static void
 673 do_objs(FILE *fp)
 674 {
 675         struct file_list *tp;
 676         int lpos, len;
 677         char *cp, och, *sp;
 678
 679         fprintf(fp, "OBJS=");
 680         lpos = 6;
 681         STAILQ_FOREACH(tp, &ftab, f_next) {
 682                 if (tp->f_flags & NO_OBJ)
 683                         continue;
 684                 sp = tail(tp->f_fn);
 685                 cp = sp + (len = strlen(sp)) - 1;
 686                 och = *cp;
 687                 *cp = 'o';
 688                 len += strlen(tp->f_objprefix);
 689                 if (len + lpos > 72) {
 690                         lpos = 8;
 691                         fprintf(fp, "\\\n\t");
 692                 }
 693                 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
 694                 lpos += len + 1;
 695                 *cp = och;
 696         }
 697         if (lpos != 8)
 698                 putc('\n', fp);
 699 }
 700
 701 static void
 702 do_xxfiles(char *tag, FILE *fp)
 703 {
 704         struct file_list *tp;
 705         int lpos, len, slen;
 706         char *suff, *SUFF;
 707
 708         if (tag[strlen(tag) - 1] == '\n')
 709                 tag[strlen(tag) - 1] = '\0';
 710
 711         suff = ns(tag + 7);
 712         SUFF = ns(suff);
 713         raisestr(SUFF);
 714         slen = strlen(suff);
 715
 716         fprintf(fp, "%sFILES=", SUFF);
 717         free(SUFF);
 718         lpos = 8;
 719         STAILQ_FOREACH(tp, &ftab, f_next)
 720                 if (tp->f_type != NODEPEND) {
 721                         len = strlen(tp->f_fn);
 722                         if (tp->f_fn[len - slen - 1] != '.')
 723                                 continue;
 724                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 725                                 continue;
 726                         if ((len = 3 + len) + lpos > 72) {
 727                                 lpos = 8;
 728                                 fputs("\\\n\t", fp);
 729                         }
 730                         fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
 731                         lpos += len + 1;
 732                 }
 733         free(suff);
 734         if (lpos != 8)
 735                 putc('\n', fp);
 736 }
 737
 738 static char *
 739 tail(char *fn)
 740 {
 741         char *cp;
 742
 743         cp = strrchr(fn, '/');
 744         if (cp == NULL)
 745                 return (fn);
 746         return (cp+1);
 747 }
 748
 749 /*
 750  * Create the makerules for each file
 751  * which is part of the system.
 752  */
 753 static void
 754 do_rules(FILE *f)
 755 {
 756         char *cp, *np, och;
 757         struct file_list *ftp;
 758         char *compilewith;
 759         char cmd[128];
 760
 761         STAILQ_FOREACH(ftp, &ftab, f_next) {
 762                 if (ftp->f_warn)
 763                         fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
 764                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 765                 och = *cp;
 766                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 767                         if (ftp->f_depends)
 768                                 fprintf(f, "%s%s: %s\n",
 769                                         ftp->f_objprefix, np, ftp->f_depends);
 770                         else
 771                                 fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
 772                 }
 773                 else {
 774                         *cp = '\0';
 775                         if (och == 'o') {
 776                                 fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
 777                                         ftp->f_objprefix, tail(np),
 778                                         ftp->f_srcprefix, np);
 779                                 continue;
 780                         }
 781                         if (ftp->f_depends) {
 782                                 fprintf(f, "%s%sln: %s%s%c %s\n",
 783                                         ftp->f_objprefix, tail(np),
 784                                         ftp->f_srcprefix, np, och,
 785                                         ftp->f_depends);
 786                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 787                                 fprintf(f, "%s%so: %s%s%c %s\n",
 788                                         ftp->f_objprefix, tail(np),
 789                                         ftp->f_srcprefix, np, och,
 790                                         ftp->f_depends);
 791                         }
 792                         else {
 793                                 fprintf(f, "%s%sln: %s%s%c\n",
 794                                         ftp->f_objprefix, tail(np),
 795                                         ftp->f_srcprefix, np, och);
 796                                 fprintf(f, "\t${NORMAL_LINT}\n\n");
 797                                 fprintf(f, "%s%so: %s%s%c\n",
 798                                         ftp->f_objprefix, tail(np),
 799                                         ftp->f_srcprefix, np, och);
 800                         }
 801                 }
 802                 compilewith = ftp->f_compilewith;
 803                 if (compilewith == NULL) {
 804                         const char *ftype = NULL;
 805
 806                         switch (ftp->f_type) {
 807                         case NORMAL:
 808                                 ftype = "NORMAL";
 809                                 break;
 810                         case PROFILING:
 811                                 if (!profiling)
 812                                         continue;
 813                                 ftype = "PROFILE";
 814                                 break;
 815                         default:
 816                                 fprintf(stderr,
 817                                     "config: don't know rules for %s\n", np);
 818                                 break;
 819                         }
 820                         snprintf(cmd, sizeof(cmd),
 821                             "${%s_%c%s}", ftype,
 822                             toupper(och),
 823                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 824                         compilewith = cmd;
 825                 }
 826                 *cp = och;
 827                 if (strlen(ftp->f_objprefix))
 828                         fprintf(f, "\t%s %s%s\n", compilewith,
 829                             ftp->f_srcprefix, np);
 830                 else
 831                         fprintf(f, "\t%s\n", compilewith);
 832
 833                 if (!(ftp->f_flags & NO_OBJ))
 834                         fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
 835                 else
 836                         fprintf(f, "\n");
 837         }
 838 }
 839
 840 static void
 841 do_clean(FILE *fp)
 842 {
 843         struct file_list *tp;
 844         int lpos, len;
 845
 846         fputs("CLEAN=", fp);
 847         lpos = 7;
 848         STAILQ_FOREACH(tp, &ftab, f_next)
 849                 if (tp->f_clean) {
 850                         len = strlen(tp->f_clean);
 851                         if (len + lpos > 72) {
 852                                 lpos = 8;
 853                                 fputs("\\\n\t", fp);
 854                         }
 855                         fprintf(fp, "%s ", tp->f_clean);
 856                         lpos += len + 1;
 857                 }
 858         if (lpos != 8)
 859                 putc('\n', fp);
 860 }
 861
 862 char *
 863 raisestr(char *str)
 864 {
 865         char *cp = str;
 866
 867         while (*str) {
 868                 if (islower(*str))
 869                         *str = toupper(*str);
 870                 str++;
 871         }
 872         return (cp);
 873 }