2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1980, 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
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28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 static char sccsid[] = "@(#)mkmakefile.c 8.1 (Berkeley) 6/6/93";
36 static const char rcsid[] =
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.
54 #include <sys/param.h>
57 #include "configvers.h"
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 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);
72 static void errout(const char *fmt, ...)
77 vfprintf(stderr, fmt, ap);
83 * Lookup a file, by name.
85 static struct file_list *
90 STAILQ_FOREACH(fp, &ftab, f_next) {
91 if (eq(fp->f_fn, file))
98 * Make a new file list entry
100 static struct file_list *
103 struct file_list *fp;
105 fp = (struct file_list *) calloc(1, sizeof *fp);
107 err(EXIT_FAILURE, "calloc");
108 STAILQ_INSERT_TAIL(&ftab, fp, f_next);
113 * Open the correct Makefile and return it, or error out.
116 open_makefile_template(void)
121 snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
122 ifp = fopen(line, "r");
124 snprintf(line, sizeof(line), "Makefile.%s", machinename);
125 ifp = fopen(line, "r");
133 * Build the makefile from the skeleton
143 ifp = open_makefile_template();
144 ofp = fopen(path("Makefile.new"), "w");
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);
157 fprintf(ofp, "DEBUG=-g\n");
159 fprintf(ofp, "PROFLEVEL=%d\n", profiling);
161 fprintf(ofp,"S=%s\n", srcdir);
162 while (fgets(line, BUFSIZ, ifp) != NULL) {
164 fprintf(ofp, "%s", line);
167 if (eq(line, "%BEFORE_DEPEND\n"))
168 do_before_depend(ofp);
169 else if (eq(line, "%OBJS\n"))
171 else if (strncmp(line, "%FILES.", 7) == 0)
172 do_xxfiles(line, ofp);
173 else if (eq(line, "%RULES\n"))
175 else if (eq(line, "%CLEAN\n"))
177 else if (strncmp(line, "%VERSREQ=", 9) == 0)
178 line[0] = '\0'; /* handled elsewhere */
181 "Unknown %% construct in generic makefile: %s",
186 moveifchanged(path("Makefile.new"), path("Makefile"));
190 sanitize_envline(char *result, const char *src)
196 /* If there is no '=' it's not a well-formed name=value line. */
197 if ((eq = strchr(src, '=')) == NULL) {
203 /* Copy chars before the '=', skipping any leading spaces/quotes. */
207 if (leading && (isspace(c) || c == '"'))
213 /* If it was all leading space, we don't have a well-formed line. */
219 /* Trim spaces/quotes immediately before the '=', then copy the '='. */
220 while (isspace(dst[-1]) || dst[-1] == '"')
224 /* Copy chars after the '=', skipping any leading whitespace. */
226 while ((c = *src++) != 0) {
227 if (leading && (isspace(c) || c == '"'))
233 /* If it was all leading space, it's a valid 'var=' (nil value). */
239 /* Trim trailing whitespace and quotes. */
240 while (isspace(dst[-1]) || dst[-1] == '"')
247 process_into_file(char *line, FILE *ofp)
251 sanitize_envline(result, line);
255 fprintf(ofp, "\"%s\\0\"\n", result);
259 process_into_nvlist(char *line, nvlist_t *nvl)
261 char result[BUFSIZ], *s;
263 sanitize_envline(result, line);
267 s = strchr(result, '=');
269 if (nvlist_exists(nvl, result))
270 nvlist_free(nvl, result);
271 nvlist_add_string(nvl, result, s + 1);
275 dump_nvlist(nvlist_t *nvl, FILE *ofp)
283 while (!nvlist_empty(nvl)) {
285 name = nvlist_next(nvl, NULL, &cookie);
286 fprintf(ofp, "\"%s=%s\\0\"\n", name,
287 cnvlist_get_string(cookie));
289 cnvlist_free_string(cookie);
294 * Build hints.c from the skeleton
304 ofp = fopen(path("hints.c.new"), "w");
306 err(1, "%s", path("hints.c.new"));
307 fprintf(ofp, "#include <sys/types.h>\n");
308 fprintf(ofp, "#include <sys/systm.h>\n");
311 * Write out hintmode for older kernels. Remove when config(8) major
312 * version rolls over.
314 if (versreq <= CONFIGVERS_ENVMODE_REQ)
315 fprintf(ofp, "int hintmode = %d;\n",
316 !STAILQ_EMPTY(&hints) ? 1 : 0);
317 fprintf(ofp, "char static_hints[] = {\n");
318 nvl = nvlist_create(0);
319 STAILQ_FOREACH(hint, &hints, hint_next) {
320 ifp = fopen(hint->hint_name, "r");
322 err(1, "%s", hint->hint_name);
323 while (fgets(line, BUFSIZ, ifp) != NULL)
324 process_into_nvlist(line, nvl);
325 dump_nvlist(nvl, ofp);
329 fprintf(ofp, "\"\\0\"\n};\n");
331 moveifchanged(path("hints.c.new"), path("hints.c"));
335 * Build env.c from the skeleton
343 struct envvar *envvar;
345 ofp = fopen(path("env.c.new"), "w");
347 err(1, "%s", path("env.c.new"));
348 fprintf(ofp, "#include <sys/types.h>\n");
349 fprintf(ofp, "#include <sys/systm.h>\n");
352 * Write out envmode for older kernels. Remove when config(8) major
353 * version rolls over.
355 if (versreq <= CONFIGVERS_ENVMODE_REQ)
356 fprintf(ofp, "int envmode = %d;\n",
357 !STAILQ_EMPTY(&envvars) ? 1 : 0);
358 fprintf(ofp, "char static_env[] = {\n");
359 nvl = nvlist_create(0);
360 STAILQ_FOREACH(envvar, &envvars, envvar_next) {
361 if (envvar->env_is_file) {
362 ifp = fopen(envvar->env_str, "r");
364 err(1, "%s", envvar->env_str);
365 while (fgets(line, BUFSIZ, ifp) != NULL)
366 process_into_nvlist(line, nvl);
367 dump_nvlist(nvl, ofp);
370 process_into_file(envvar->env_str, ofp);
373 fprintf(ofp, "\"\\0\"\n};\n");
375 moveifchanged(path("env.c.new"), path("env.c"));
379 read_file(char *fname)
381 char ifname[MAXPATHLEN];
383 struct file_list *tp;
386 char *wd, *this, *compilewith, *depends, *clean, *warning;
387 const char *objprefix;
388 int compile, match, nreqs, std, filetype, not,
389 imp_rule, no_obj, before_depend, nowerror;
391 fp = fopen(fname, "r");
397 * filename [ standard | optional ]
398 * [ dev* [ | dev* ... ] | profiling-routine ] [ no-obj ]
399 * [ compile-with "compile rule" [no-implicit-rule] ]
400 * [ dependency "dependency-list"] [ before-depend ]
401 * [ clean "file-list"] [ warning "text warning" ]
402 * [ obj-prefix "file prefix"]
405 if (wd == (char *)EOF) {
413 while (((wd = get_word(fp)) != (char *)EOF) && wd)
417 if (eq(wd, "include")) {
418 wd = get_quoted_word(fp);
419 if (wd == (char *)EOF || wd == NULL)
420 errout("%s: missing include filename.\n", fname);
421 (void) snprintf(ifname, sizeof(ifname), "../../%s", wd);
423 while (((wd = get_word(fp)) != (char *)EOF) && wd)
429 if (wd == (char *)EOF)
432 errout("%s: No type for %s.\n", fname, this);
433 tp = fl_lookup(this);
449 if (eq(wd, "standard"))
451 else if (!eq(wd, "optional"))
452 errout("%s: \"%s\" %s must be optional or standard\n",
454 for (wd = get_word(fp); wd; wd = get_word(fp)) {
455 if (wd == (char *)EOF)
463 errout("%s: syntax error describing %s\n",
470 if (eq(wd, "no-obj")) {
474 if (eq(wd, "no-implicit-rule")) {
475 if (compilewith == NULL)
476 errout("%s: alternate rule required when "
477 "\"no-implicit-rule\" is specified for"
483 if (eq(wd, "before-depend")) {
487 if (eq(wd, "dependency")) {
488 wd = get_quoted_word(fp);
489 if (wd == (char *)EOF || wd == NULL)
490 errout("%s: %s missing dependency string.\n",
495 if (eq(wd, "clean")) {
496 wd = get_quoted_word(fp);
497 if (wd == (char *)EOF || wd == NULL)
498 errout("%s: %s missing clean file list.\n",
503 if (eq(wd, "compile-with")) {
504 wd = get_quoted_word(fp);
505 if (wd == (char *)EOF || wd == NULL)
506 errout("%s: %s missing compile command string.\n",
508 compilewith = ns(wd);
511 if (eq(wd, "warning")) {
512 wd = get_quoted_word(fp);
513 if (wd == (char *)EOF || wd == NULL)
514 errout("%s: %s missing warning text string.\n",
519 if (eq(wd, "obj-prefix")) {
520 wd = get_quoted_word(fp);
521 if (wd == (char *)EOF || wd == NULL)
522 errout("%s: %s missing object prefix string.\n",
527 if (eq(wd, "nowerror")) {
531 if (eq(wd, "local")) {
535 if (eq(wd, "no-depend")) {
540 if (eq(wd, "profiling-routine")) {
541 filetype = PROFILING;
545 errout("standard entry %s has optional inclusion specifier %s!\n",
547 STAILQ_FOREACH(dp, &dtab, d_next)
548 if (eq(dp->d_name, wd)) {
552 dp->d_done |= DEVDONE;
555 SLIST_FOREACH(op, &opt, op_next)
556 if (op->op_value == 0 && opteq(op->op_name, wd)) {
566 if (compile && tp == NULL) {
567 if (std == 0 && nreqs == 0)
568 errout("%s: what is %s optional on?\n",
570 if (filetype == PROFILING && profiling == 0)
574 tp->f_type = filetype;
575 if (filetype == LOCAL)
576 tp->f_srcprefix = "";
578 tp->f_srcprefix = "$S/";
580 tp->f_flags |= NO_IMPLCT_RULE;
582 tp->f_flags |= NO_OBJ;
584 tp->f_flags |= BEFORE_DEPEND;
586 tp->f_flags |= NOWERROR;
587 tp->f_compilewith = compilewith;
588 tp->f_depends = depends;
590 tp->f_warn = warning;
591 tp->f_objprefix = objprefix;
597 * Read in the information about files used in making the system.
598 * Store it in the ftab linked list.
603 char fname[MAXPATHLEN];
604 struct files_name *nl, *tnl;
606 (void) snprintf(fname, sizeof(fname), "../../conf/files");
608 (void) snprintf(fname, sizeof(fname),
609 "../../conf/files.%s", machinename);
611 for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
612 read_file(nl->f_name);
613 tnl = STAILQ_NEXT(nl, f_next);
620 opteq(const char *cp, const char *dp)
624 for (; ; cp++, dp++) {
626 c = isupper(*cp) ? tolower(*cp) : *cp;
627 d = isupper(*dp) ? tolower(*dp) : *dp;
637 do_before_depend(FILE *fp)
639 struct file_list *tp;
642 fputs("BEFORE_DEPEND=", fp);
644 STAILQ_FOREACH(tp, &ftab, f_next)
645 if (tp->f_flags & BEFORE_DEPEND) {
646 len = strlen(tp->f_fn);
647 if ((len = 3 + len) + lpos > 72) {
651 if (tp->f_flags & NO_IMPLCT_RULE)
652 fprintf(fp, "%s ", tp->f_fn);
654 fprintf(fp, "%s%s ", tp->f_srcprefix,
665 struct file_list *tp;
669 fprintf(fp, "OBJS=");
671 STAILQ_FOREACH(tp, &ftab, f_next) {
672 if (tp->f_flags & NO_OBJ)
675 cp = sp + (len = strlen(sp)) - 1;
678 len += strlen(tp->f_objprefix);
679 if (len + lpos > 72) {
681 fprintf(fp, "\\\n\t");
683 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
692 do_xxfiles(char *tag, FILE *fp)
694 struct file_list *tp;
698 if (tag[strlen(tag) - 1] == '\n')
699 tag[strlen(tag) - 1] = '\0';
706 fprintf(fp, "%sFILES=", SUFF);
709 STAILQ_FOREACH(tp, &ftab, f_next)
710 if (tp->f_type != NODEPEND) {
711 len = strlen(tp->f_fn);
712 if (tp->f_fn[len - slen - 1] != '.')
714 if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
716 if ((len = 3 + len) + lpos > 72) {
720 fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
733 cp = strrchr(fn, '/');
740 * Create the makerules for each file
741 * which is part of the system.
747 struct file_list *ftp;
751 STAILQ_FOREACH(ftp, &ftab, f_next) {
753 fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
754 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
756 if (ftp->f_flags & NO_IMPLCT_RULE) {
758 fprintf(f, "%s%s: %s\n",
759 ftp->f_objprefix, np, ftp->f_depends);
761 fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
766 fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
767 ftp->f_objprefix, tail(np),
768 ftp->f_srcprefix, np);
771 if (ftp->f_depends) {
772 fprintf(f, "%s%so: %s%s%c %s\n",
773 ftp->f_objprefix, tail(np),
774 ftp->f_srcprefix, np, och,
778 fprintf(f, "%s%so: %s%s%c\n",
779 ftp->f_objprefix, tail(np),
780 ftp->f_srcprefix, np, och);
783 compilewith = ftp->f_compilewith;
784 if (compilewith == NULL) {
785 const char *ftype = NULL;
787 switch (ftp->f_type) {
798 "config: don't know rules for %s\n", np);
801 snprintf(cmd, sizeof(cmd),
804 ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
808 if (strlen(ftp->f_objprefix))
809 fprintf(f, "\t%s %s%s\n", compilewith,
810 ftp->f_srcprefix, np);
812 fprintf(f, "\t%s\n", compilewith);
814 if (!(ftp->f_flags & NO_OBJ))
815 fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
824 struct file_list *tp;
829 STAILQ_FOREACH(tp, &ftab, f_next)
831 len = strlen(tp->f_clean);
832 if (len + lpos > 72) {
836 fprintf(fp, "%s ", tp->f_clean);
850 *str = toupper(*str);