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 (profiling)
 159                 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
 160         if (*srcdir != '\0')
 161                 fprintf(ofp,"S=%s\n", srcdir);
 162         while (fgets(line, BUFSIZ, ifp) != NULL) {
 163                 if (*line != '%') {
 164                         fprintf(ofp, "%s", line);
 165                         continue;
 166                 }
 167                 if (eq(line, "%BEFORE_DEPEND\n"))
 168                         do_before_depend(ofp);
 169                 else if (eq(line, "%OBJS\n"))
 170                         do_objs(ofp);
 171                 else if (strncmp(line, "%FILES.", 7) == 0)
 172                         do_xxfiles(line, ofp);
 173                 else if (eq(line, "%RULES\n"))
 174                         do_rules(ofp);
 175                 else if (eq(line, "%CLEAN\n"))
 176                         do_clean(ofp);
 177                 else if (strncmp(line, "%VERSREQ=", 9) == 0)
 178                         line[0] = '\0'; /* handled elsewhere */
 179                 else
 180                         fprintf(stderr,
 181                             "Unknown %% construct in generic makefile: %s",
 182                             line);
 183         }
 184         (void) fclose(ifp);
 185         (void) fclose(ofp);
 186         moveifchanged(path("Makefile.new"), path("Makefile"));
 187 }
 188
 189 static void
 190 sanitize_envline(char *result, const char *src)
 191 {
 192         const char *eq;
 193         char c, *dst;
 194         bool leading;
 195
 196         /* If there is no '=' it's not a well-formed name=value line. */
 197         if ((eq = strchr(src, '=')) == NULL) {
 198                 *result = 0;
 199                 return;
 200         }
 201         dst = result;
 202
 203         /* Copy chars before the '=', skipping any leading spaces/quotes. */
 204         leading = true;
 205         while (src < eq) {
 206                 c = *src++;
 207                 if (leading && (isspace(c) || c == '"'))
 208                         continue;
 209                 *dst++ = c;
 210                 leading = false;
 211         }
 212
 213         /* If it was all leading space, we don't have a well-formed line. */
 214         if (leading) {
 215                 *result = 0;
 216                 return;
 217         }
 218
 219         /* Trim spaces/quotes immediately before the '=', then copy the '='. */
 220         while (isspace(dst[-1]) || dst[-1] == '"')
 221                 --dst;
 222         *dst++ = *src++;
 223
 224         /* Copy chars after the '=', skipping any leading whitespace. */
 225         leading = true;
 226         while ((c = *src++) != 0) {
 227                 if (leading && (isspace(c) || c == '"'))
 228                         continue;
 229                 *dst++ = c;
 230                 leading = false;
 231         }
 232
 233         /* If it was all leading space, it's a valid 'var=' (nil value). */
 234         if (leading) {
 235                 *dst = 0;
 236                 return;
 237         }
 238
 239         /* Trim trailing whitespace and quotes. */
 240         while (isspace(dst[-1]) || dst[-1] == '"')
 241                 --dst;
 242
 243         *dst = 0;
 244 }
 245
 246 /*
 247  * Returns true if the caller may use the string.
 248  */
 249 static bool
 250 preprocess(char *line, char *result)
 251 {
 252         char *s;
 253
 254         /* Strip any comments */
 255         if ((s = strchr(line, '#')) != NULL)
 256                 *s = '\0';
 257         sanitize_envline(result, line);
 258         /* Return true if it's non-empty */
 259         return (*result != '\0');
 260 }
 261
 262 static void
 263 process_into_file(char *line, FILE *ofp)
 264 {
 265         char result[BUFSIZ];
 266
 267         if (preprocess(line, result))
 268                 fprintf(ofp, "\"%s\\0\"\n", result);
 269 }
 270
 271 static void
 272 process_into_nvlist(char *line, nvlist_t *nvl)
 273 {
 274         char result[BUFSIZ], *s;
 275
 276         if (preprocess(line, result)) {
 277                 s = strchr(result, '=');
 278                 *s = '\0';
 279                 if (nvlist_exists(nvl, result))
 280                         nvlist_free(nvl, result);
 281                 nvlist_add_string(nvl, result, s + 1);
 282         }
 283 }
 284
 285 static void
 286 dump_nvlist(nvlist_t *nvl, FILE *ofp)
 287 {
 288         const char *name;
 289         void *cookie;
 290
 291         if (nvl == NULL)
 292                 return;
 293
 294         while (!nvlist_empty(nvl)) {
 295                 cookie = NULL;
 296                 name = nvlist_next(nvl, NULL, &cookie);
 297                 fprintf(ofp, "\"%s=%s\\0\"\n", name,
 298                      cnvlist_get_string(cookie));
 299
 300                 cnvlist_free_string(cookie);
 301         }
 302 }
 303
 304 /*
 305  * Build hints.c from the skeleton
 306  */
 307 void
 308 makehints(void)
 309 {
 310         FILE *ifp, *ofp;
 311         nvlist_t *nvl;
 312         char line[BUFSIZ];
 313         struct hint *hint;
 314
 315         ofp = fopen(path("hints.c.new"), "w");
 316         if (ofp == NULL)
 317                 err(1, "%s", path("hints.c.new"));
 318         fprintf(ofp, "#include <sys/types.h>\n");
 319         fprintf(ofp, "#include <sys/systm.h>\n");
 320         fprintf(ofp, "\n");
 321         /*
 322          * Write out hintmode for older kernels. Remove when config(8) major
 323          * version rolls over.
 324          */
 325         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 326                 fprintf(ofp, "int hintmode = %d;\n",
 327                         !STAILQ_EMPTY(&hints) ? 1 : 0);
 328         fprintf(ofp, "char static_hints[] = {\n");
 329         nvl = nvlist_create(0);
 330         STAILQ_FOREACH(hint, &hints, hint_next) {
 331                 ifp = fopen(hint->hint_name, "r");
 332                 if (ifp == NULL)
 333                         err(1, "%s", hint->hint_name);
 334                 while (fgets(line, BUFSIZ, ifp) != NULL)
 335                         process_into_nvlist(line, nvl);
 336                 dump_nvlist(nvl, ofp);
 337                 fclose(ifp);
 338         }
 339         nvlist_destroy(nvl);
 340         fprintf(ofp, "\"\\0\"\n};\n");
 341         fclose(ofp);
 342         moveifchanged(path("hints.c.new"), path("hints.c"));
 343 }
 344
 345 /*
 346  * Build env.c from the skeleton
 347  */
 348 void
 349 makeenv(void)
 350 {
 351         FILE *ifp, *ofp;
 352         nvlist_t *nvl;
 353         char line[BUFSIZ];
 354         struct envvar *envvar;
 355
 356         ofp = fopen(path("env.c.new"), "w");
 357         if (ofp == NULL)
 358                 err(1, "%s", path("env.c.new"));
 359         fprintf(ofp, "#include <sys/types.h>\n");
 360         fprintf(ofp, "#include <sys/systm.h>\n");
 361         fprintf(ofp, "\n");
 362         /*
 363          * Write out envmode for older kernels. Remove when config(8) major
 364          * version rolls over.
 365          */
 366         if (versreq <= CONFIGVERS_ENVMODE_REQ)
 367                 fprintf(ofp, "int envmode = %d;\n",
 368                         !STAILQ_EMPTY(&envvars) ? 1 : 0);
 369         fprintf(ofp, "char static_env[] = {\n");
 370         nvl = nvlist_create(0);
 371         STAILQ_FOREACH(envvar, &envvars, envvar_next) {
 372                 if (envvar->env_is_file) {
 373                         ifp = fopen(envvar->env_str, "r");
 374                         if (ifp == NULL)
 375                                 err(1, "%s", envvar->env_str);
 376                         while (fgets(line, BUFSIZ, ifp) != NULL)
 377                                 process_into_nvlist(line, nvl);
 378                         dump_nvlist(nvl, ofp);
 379                         fclose(ifp);
 380                 } else
 381                         process_into_file(envvar->env_str, ofp);
 382         }
 383         nvlist_destroy(nvl);
 384         fprintf(ofp, "\"\\0\"\n};\n");
 385         fclose(ofp);
 386         moveifchanged(path("env.c.new"), path("env.c"));
 387 }
 388
 389 static void
 390 read_file(char *fname)
 391 {
 392         char ifname[MAXPATHLEN];
 393         FILE *fp;
 394         struct file_list *tp;
 395         struct device *dp;
 396         struct opt *op;
 397         char *wd, *this, *compilewith, *depends, *clean, *warning;
 398         const char *objprefix;
 399         int compile, match, nreqs, std, filetype, not,
 400             imp_rule, no_ctfconvert, no_obj, before_depend, nowerror;
 401
 402         fp = fopen(fname, "r");
 403         if (fp == NULL)
 404                 err(1, "%s", fname);
 405 next:
 406         /*
 407          * include "filename"
 408          * filename    [ standard | optional ]
 409          *      [ dev* [ | dev* ... ] | profiling-routine ] [ no-obj ]
 410          *      [ compile-with "compile rule" [no-implicit-rule] ]
 411          *      [ dependency "dependency-list"] [ before-depend ]
 412          *      [ clean "file-list"] [ warning "text warning" ]
 413          *      [ obj-prefix "file prefix"]
 414          *      [ nowerror ] [ local ]
 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_ctfconvert = 0;
 456         no_obj = 0;
 457         before_depend = 0;
 458         nowerror = 0;
 459         not = 0;
 460         filetype = NORMAL;
 461         objprefix = "";
 462         if (eq(wd, "standard"))
 463                 std = 1;
 464         else if (!eq(wd, "optional"))
 465                 errout("%s: \"%s\" %s must be optional or standard\n",
 466                     fname, wd, this);
 467         for (wd = get_word(fp); wd; wd = get_word(fp)) {
 468                 if (wd == (char *)EOF)
 469                         return;
 470                 if (eq(wd, "!")) {
 471                         not = 1;
 472                         continue;
 473                 }
 474                 if (eq(wd, "|")) {
 475                         if (nreqs == 0)
 476                                 errout("%s: syntax error describing %s\n",
 477                                        fname, this);
 478                         compile += match;
 479                         match = 1;
 480                         nreqs = 0;
 481                         continue;
 482                 }
 483                 if (eq(wd, "no-ctfconvert")) {
 484                         no_ctfconvert++;
 485                         continue;
 486                 }
 487                 if (eq(wd, "no-obj")) {
 488                         no_obj++;
 489                         continue;
 490                 }
 491                 if (eq(wd, "no-implicit-rule")) {
 492                         if (compilewith == NULL)
 493                                 errout("%s: alternate rule required when "
 494                                        "\"no-implicit-rule\" is specified for"
 495                                        " %s.\n",
 496                                        fname, this);
 497                         imp_rule++;
 498                         continue;
 499                 }
 500                 if (eq(wd, "before-depend")) {
 501                         before_depend++;
 502                         continue;
 503                 }
 504                 if (eq(wd, "dependency")) {
 505                         wd = get_quoted_word(fp);
 506                         if (wd == (char *)EOF || wd == NULL)
 507                                 errout("%s: %s missing dependency string.\n",
 508                                        fname, this);
 509                         depends = ns(wd);
 510                         continue;
 511                 }
 512                 if (eq(wd, "clean")) {
 513                         wd = get_quoted_word(fp);
 514                         if (wd == (char *)EOF || wd == NULL)
 515                                 errout("%s: %s missing clean file list.\n",
 516                                        fname, this);
 517                         clean = ns(wd);
 518                         continue;
 519                 }
 520                 if (eq(wd, "compile-with")) {
 521                         wd = get_quoted_word(fp);
 522                         if (wd == (char *)EOF || wd == NULL)
 523                                 errout("%s: %s missing compile command string.\n",
 524                                        fname, this);
 525                         compilewith = ns(wd);
 526                         continue;
 527                 }
 528                 if (eq(wd, "warning")) {
 529                         wd = get_quoted_word(fp);
 530                         if (wd == (char *)EOF || wd == NULL)
 531                                 errout("%s: %s missing warning text string.\n",
 532                                        fname, this);
 533                         warning = ns(wd);
 534                         continue;
 535                 }
 536                 if (eq(wd, "obj-prefix")) {
 537                         wd = get_quoted_word(fp);
 538                         if (wd == (char *)EOF || wd == NULL)
 539                                 errout("%s: %s missing object prefix string.\n",
 540                                        fname, this);
 541                         objprefix = ns(wd);
 542                         continue;
 543                 }
 544                 if (eq(wd, "nowerror")) {
 545                         nowerror = 1;
 546                         continue;
 547                 }
 548                 if (eq(wd, "local")) {
 549                         filetype = LOCAL;
 550                         continue;
 551                 }
 552                 if (eq(wd, "no-depend")) {
 553                         filetype = NODEPEND;
 554                         continue;
 555                 }
 556                 nreqs++;
 557                 if (eq(wd, "profiling-routine")) {
 558                         filetype = PROFILING;
 559                         continue;
 560                 }
 561                 if (std)
 562                         errout("standard entry %s has optional inclusion specifier %s!\n",
 563                                this, wd);
 564                 STAILQ_FOREACH(dp, &dtab, d_next)
 565                         if (eq(dp->d_name, wd)) {
 566                                 if (not)
 567                                         match = 0;
 568                                 else
 569                                         dp->d_done |= DEVDONE;
 570                                 goto nextparam;
 571                         }
 572                 SLIST_FOREACH(op, &opt, op_next)
 573                         if (op->op_value == 0 &&
 574                             strcasecmp(op->op_name, wd) == 0) {
 575                                 if (not)
 576                                         match = 0;
 577                                 goto nextparam;
 578                         }
 579                 match &= not;
 580 nextparam:;
 581                 not = 0;
 582         }
 583         compile += match;
 584         if (compile && tp == NULL) {
 585                 if (std == 0 && nreqs == 0)
 586                         errout("%s: what is %s optional on?\n",
 587                                fname, this);
 588                 if (filetype == PROFILING && profiling == 0)
 589                         goto next;
 590                 tp = new_fent();
 591                 tp->f_fn = this;
 592                 tp->f_type = filetype;
 593                 if (filetype == LOCAL)
 594                         tp->f_srcprefix = "";
 595                 else
 596                         tp->f_srcprefix = "$S/";
 597                 if (imp_rule)
 598                         tp->f_flags |= NO_IMPLCT_RULE;
 599                 if (no_ctfconvert)
 600                         tp->f_flags |= NO_CTFCONVERT;
 601                 if (no_obj)
 602                         tp->f_flags |= NO_OBJ | NO_CTFCONVERT;
 603                 if (before_depend)
 604                         tp->f_flags |= BEFORE_DEPEND;
 605                 if (nowerror)
 606                         tp->f_flags |= NOWERROR;
 607                 tp->f_compilewith = compilewith;
 608                 tp->f_depends = depends;
 609                 tp->f_clean = clean;
 610                 tp->f_warn = warning;
 611                 tp->f_objprefix = objprefix;
 612         }
 613         goto next;
 614 }
 615
 616 /*
 617  * Read in the information about files used in making the system.
 618  * Store it in the ftab linked list.
 619  */
 620 static void
 621 read_files(void)
 622 {
 623         char fname[MAXPATHLEN];
 624         struct files_name *nl, *tnl;
 625
 626         (void) snprintf(fname, sizeof(fname), "../../conf/files");
 627         read_file(fname);
 628         (void) snprintf(fname, sizeof(fname),
 629                         "../../conf/files.%s", machinename);
 630         read_file(fname);
 631         for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
 632                 read_file(nl->f_name);
 633                 tnl = STAILQ_NEXT(nl, f_next);
 634                 free(nl->f_name);
 635                 free(nl);
 636         }
 637 }
 638
 639 static void
 640 do_before_depend(FILE *fp)
 641 {
 642         struct file_list *tp;
 643         int lpos, len;
 644
 645         fputs("BEFORE_DEPEND=", fp);
 646         lpos = 15;
 647         STAILQ_FOREACH(tp, &ftab, f_next)
 648                 if (tp->f_flags & BEFORE_DEPEND) {
 649                         len = strlen(tp->f_fn) + strlen(tp->f_srcprefix);
 650                         if (len + lpos > 72) {
 651                                 lpos = 8;
 652                                 fputs("\\\n\t", fp);
 653                         }
 654                         if (tp->f_flags & NO_IMPLCT_RULE)
 655                                 lpos += fprintf(fp, "%s ", tp->f_fn);
 656                         else
 657                                 lpos += fprintf(fp, "%s%s ", tp->f_srcprefix,
 658                                     tp->f_fn);
 659                 }
 660         if (lpos != 8)
 661                 putc('\n', fp);
 662 }
 663
 664 static void
 665 do_objs(FILE *fp)
 666 {
 667         struct file_list *tp;
 668         int lpos, len;
 669         char *cp, och, *sp;
 670
 671         fprintf(fp, "OBJS=");
 672         lpos = 6;
 673         STAILQ_FOREACH(tp, &ftab, f_next) {
 674                 if (tp->f_flags & NO_OBJ)
 675                         continue;
 676                 sp = tail(tp->f_fn);
 677                 cp = sp + (len = strlen(sp)) - 1;
 678                 och = *cp;
 679                 *cp = 'o';
 680                 len += strlen(tp->f_objprefix);
 681                 if (len + lpos > 72) {
 682                         lpos = 8;
 683                         fprintf(fp, "\\\n\t");
 684                 }
 685                 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
 686                 lpos += len + 1;
 687                 *cp = och;
 688         }
 689         if (lpos != 8)
 690                 putc('\n', fp);
 691 }
 692
 693 static void
 694 do_xxfiles(char *tag, FILE *fp)
 695 {
 696         struct file_list *tp;
 697         int lpos, len, slen;
 698         char *suff, *SUFF;
 699
 700         if (tag[strlen(tag) - 1] == '\n')
 701                 tag[strlen(tag) - 1] = '\0';
 702
 703         suff = ns(tag + 7);
 704         SUFF = ns(suff);
 705         raisestr(SUFF);
 706         slen = strlen(suff);
 707
 708         fprintf(fp, "%sFILES=", SUFF);
 709         free(SUFF);
 710         lpos = 8;
 711         STAILQ_FOREACH(tp, &ftab, f_next)
 712                 if (tp->f_type != NODEPEND) {
 713                         len = strlen(tp->f_fn);
 714                         if (tp->f_fn[len - slen - 1] != '.')
 715                                 continue;
 716                         if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
 717                                 continue;
 718                         if (len + strlen(tp->f_srcprefix) + lpos > 72) {
 719                                 lpos = 8;
 720                                 fputs("\\\n\t", fp);
 721                         }
 722                         lpos += fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
 723                 }
 724         free(suff);
 725         if (lpos != 8)
 726                 putc('\n', fp);
 727 }
 728
 729 static char *
 730 tail(char *fn)
 731 {
 732         char *cp;
 733
 734         cp = strrchr(fn, '/');
 735         if (cp == NULL)
 736                 return (fn);
 737         return (cp+1);
 738 }
 739
 740 /*
 741  * Create the makerules for each file
 742  * which is part of the system.
 743  */
 744 static void
 745 do_rules(FILE *f)
 746 {
 747         char *cp, *np, och;
 748         struct file_list *ftp;
 749         char *compilewith;
 750         char cmd[128];
 751
 752         STAILQ_FOREACH(ftp, &ftab, f_next) {
 753                 if (ftp->f_warn)
 754                         fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
 755                 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
 756                 och = *cp;
 757                 if (ftp->f_flags & NO_IMPLCT_RULE) {
 758                         if (ftp->f_depends)
 759                                 fprintf(f, "%s%s: %s\n",
 760                                         ftp->f_objprefix, np, ftp->f_depends);
 761                         else
 762                                 fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
 763                 }
 764                 else {
 765                         *cp = '\0';
 766                         if (och == 'o') {
 767                                 fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
 768                                         ftp->f_objprefix, tail(np),
 769                                         ftp->f_srcprefix, np);
 770                                 continue;
 771                         }
 772                         if (ftp->f_depends) {
 773                                 fprintf(f, "%s%so: %s%s%c %s\n",
 774                                         ftp->f_objprefix, tail(np),
 775                                         ftp->f_srcprefix, np, och,
 776                                         ftp->f_depends);
 777                         }
 778                         else {
 779                                 fprintf(f, "%s%so: %s%s%c\n",
 780                                         ftp->f_objprefix, tail(np),
 781                                         ftp->f_srcprefix, np, och);
 782                         }
 783                 }
 784                 compilewith = ftp->f_compilewith;
 785                 if (compilewith == NULL) {
 786                         const char *ftype = NULL;
 787
 788                         switch (ftp->f_type) {
 789                         case NORMAL:
 790                                 ftype = "NORMAL";
 791                                 break;
 792                         case PROFILING:
 793                                 if (!profiling)
 794                                         continue;
 795                                 ftype = "PROFILE";
 796                                 break;
 797                         default:
 798                                 fprintf(stderr,
 799                                     "config: don't know rules for %s\n", np);
 800                                 break;
 801                         }
 802                         snprintf(cmd, sizeof(cmd),
 803                             "${%s_%c%s}", ftype,
 804                             toupper(och),
 805                             ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
 806                         compilewith = cmd;
 807                 }
 808                 *cp = och;
 809                 if (strlen(ftp->f_objprefix))
 810                         fprintf(f, "\t%s %s%s\n", compilewith,
 811                             ftp->f_srcprefix, np);
 812                 else
 813                         fprintf(f, "\t%s\n", compilewith);
 814
 815                 if (!(ftp->f_flags & NO_CTFCONVERT))
 816                         fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
 817                 else
 818                         fprintf(f, "\n");
 819         }
 820 }
 821
 822 static void
 823 do_clean(FILE *fp)
 824 {
 825         struct file_list *tp;
 826         int lpos, len;
 827
 828         fputs("CLEAN=", fp);
 829         lpos = 7;
 830         STAILQ_FOREACH(tp, &ftab, f_next)
 831                 if (tp->f_clean) {
 832                         len = strlen(tp->f_clean);
 833                         if (len + lpos > 72) {
 834                                 lpos = 8;
 835                                 fputs("\\\n\t", fp);
 836                         }
 837                         fprintf(fp, "%s ", tp->f_clean);
 838                         lpos += len + 1;
 839                 }
 840         if (lpos != 8)
 841                 putc('\n', fp);
 842 }
 843
 844 char *
 845 raisestr(char *str)
 846 {
 847         char *cp = str;
 848
 849         while (*str) {
 850                 if (islower(*str))
 851                         *str = toupper(*str);
 852                 str++;
 853         }
 854         return (cp);
 855 }