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
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
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 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);
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,"S=%s\n", srcdir);
160 while (fgets(line, BUFSIZ, ifp) != NULL) {
162 fprintf(ofp, "%s", line);
165 if (eq(line, "%BEFORE_DEPEND\n"))
166 do_before_depend(ofp);
167 else if (eq(line, "%OBJS\n"))
169 else if (strncmp(line, "%FILES.", 7) == 0)
170 do_xxfiles(line, ofp);
171 else if (eq(line, "%RULES\n"))
173 else if (eq(line, "%CLEAN\n"))
175 else if (strncmp(line, "%VERSREQ=", 9) == 0)
176 line[0] = '\0'; /* handled elsewhere */
179 "Unknown %% construct in generic makefile: %s",
184 moveifchanged(path("Makefile.new"), path("Makefile"));
188 sanitize_envline(char *result, const char *src)
194 /* If there is no '=' it's not a well-formed name=value line. */
195 if ((eq = strchr(src, '=')) == NULL) {
201 /* Copy chars before the '=', skipping any leading spaces/quotes. */
205 if (leading && (isspace(c) || c == '"'))
211 /* If it was all leading space, we don't have a well-formed line. */
217 /* Trim spaces/quotes immediately before the '=', then copy the '='. */
218 while (isspace(dst[-1]) || dst[-1] == '"')
222 /* Copy chars after the '=', skipping any leading whitespace. */
224 while ((c = *src++) != '\0') {
225 if (leading && (isspace(c) || c == '"'))
231 /* If it was all leading space, it's a valid 'var=' (nil value). */
237 /* Trim trailing whitespace and quotes. */
238 while (isspace(dst[-1]) || dst[-1] == '"')
245 * Returns true if the caller may use the string.
248 preprocess(char *line, char *result)
252 /* Strip any comments */
253 if ((s = strchr(line, '#')) != NULL)
255 sanitize_envline(result, line);
256 /* Return true if it's non-empty */
257 return (*result != '\0');
261 process_into_file(char *line, FILE *ofp)
265 if (preprocess(line, result))
266 fprintf(ofp, "\"%s\\0\"\n", result);
270 process_into_nvlist(char *line, nvlist_t *nvl)
272 char result[BUFSIZ], *s;
274 if (preprocess(line, result)) {
275 s = strchr(result, '=');
277 if (nvlist_exists(nvl, result))
278 nvlist_free(nvl, result);
279 nvlist_add_string(nvl, result, s + 1);
284 dump_nvlist(nvlist_t *nvl, FILE *ofp)
292 while (!nvlist_empty(nvl)) {
294 name = nvlist_next(nvl, NULL, &cookie);
295 fprintf(ofp, "\"%s=%s\\0\"\n", name,
296 cnvlist_get_string(cookie));
298 cnvlist_free_string(cookie);
303 * Build hints.c from the skeleton
313 ofp = fopen(path("hints.c.new"), "w");
315 err(1, "%s", path("hints.c.new"));
316 fprintf(ofp, "#include <sys/types.h>\n");
317 fprintf(ofp, "#include <sys/systm.h>\n");
320 * Write out hintmode for older kernels. Remove when config(8) major
321 * version rolls over.
323 if (versreq <= CONFIGVERS_ENVMODE_REQ)
324 fprintf(ofp, "int hintmode = %d;\n",
325 !STAILQ_EMPTY(&hints) ? 1 : 0);
326 fprintf(ofp, "char static_hints[] = {\n");
327 nvl = nvlist_create(0);
328 STAILQ_FOREACH(hint, &hints, hint_next) {
329 ifp = fopen(hint->hint_name, "r");
331 err(1, "%s", hint->hint_name);
332 while (fgets(line, BUFSIZ, ifp) != NULL)
333 process_into_nvlist(line, nvl);
334 dump_nvlist(nvl, ofp);
338 fprintf(ofp, "\"\\0\"\n};\n");
340 moveifchanged(path("hints.c.new"), path("hints.c"));
344 * Build env.c from the skeleton
352 struct envvar *envvar;
354 ofp = fopen(path("env.c.new"), "w");
356 err(1, "%s", path("env.c.new"));
357 fprintf(ofp, "#include <sys/types.h>\n");
358 fprintf(ofp, "#include <sys/systm.h>\n");
361 * Write out envmode for older kernels. Remove when config(8) major
362 * version rolls over.
364 if (versreq <= CONFIGVERS_ENVMODE_REQ)
365 fprintf(ofp, "int envmode = %d;\n",
366 !STAILQ_EMPTY(&envvars) ? 1 : 0);
367 fprintf(ofp, "char static_env[] = {\n");
368 nvl = nvlist_create(0);
369 STAILQ_FOREACH(envvar, &envvars, envvar_next) {
370 if (envvar->env_is_file) {
371 ifp = fopen(envvar->env_str, "r");
373 err(1, "%s", envvar->env_str);
374 while (fgets(line, BUFSIZ, ifp) != NULL)
375 process_into_nvlist(line, nvl);
376 dump_nvlist(nvl, ofp);
379 process_into_file(envvar->env_str, ofp);
382 fprintf(ofp, "\"\\0\"\n};\n");
384 moveifchanged(path("env.c.new"), path("env.c"));
388 read_file(char *fname)
390 char ifname[MAXPATHLEN];
392 struct file_list *tp;
395 char *wd, *this, *compilewith, *depends, *clean, *warning;
396 const char *objprefix;
397 int compile, match, nreqs, std, filetype, not,
398 imp_rule, no_ctfconvert, no_obj, before_depend, nowerror;
400 fp = fopen(fname, "r");
406 * filename [ standard | optional ]
407 * [ dev* [ | dev* ... ] | [ no-obj ]
408 * [ compile-with "compile rule" [no-implicit-rule] ]
409 * [ dependency "dependency-list"] [ before-depend ]
410 * [ clean "file-list"] [ warning "text warning" ]
411 * [ obj-prefix "file prefix"]
412 * [ nowerror ] [ local ]
415 if (wd == (char *)EOF) {
423 while (((wd = get_word(fp)) != (char *)EOF) && wd)
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);
433 while (((wd = get_word(fp)) != (char *)EOF) && wd)
439 if (wd == (char *)EOF)
442 errout("%s: No type for %s.\n", fname, this);
443 tp = fl_lookup(this);
460 if (eq(wd, "standard"))
462 else if (!eq(wd, "optional"))
463 errout("%s: \"%s\" %s must be optional or standard\n",
465 for (wd = get_word(fp); wd; wd = get_word(fp)) {
466 if (wd == (char *)EOF)
474 errout("%s: syntax error describing %s\n",
481 if (eq(wd, "no-ctfconvert")) {
485 if (eq(wd, "no-obj")) {
489 if (eq(wd, "no-implicit-rule")) {
490 if (compilewith == NULL)
491 errout("%s: alternate rule required when "
492 "\"no-implicit-rule\" is specified for"
498 if (eq(wd, "before-depend")) {
502 if (eq(wd, "dependency")) {
503 wd = get_quoted_word(fp);
504 if (wd == (char *)EOF || wd == NULL)
505 errout("%s: %s missing dependency string.\n",
510 if (eq(wd, "clean")) {
511 wd = get_quoted_word(fp);
512 if (wd == (char *)EOF || wd == NULL)
513 errout("%s: %s missing clean file list.\n",
518 if (eq(wd, "compile-with")) {
519 wd = get_quoted_word(fp);
520 if (wd == (char *)EOF || wd == NULL)
521 errout("%s: %s missing compile command string.\n",
523 compilewith = ns(wd);
526 if (eq(wd, "warning")) {
527 wd = get_quoted_word(fp);
528 if (wd == (char *)EOF || wd == NULL)
529 errout("%s: %s missing warning text string.\n",
534 if (eq(wd, "obj-prefix")) {
535 wd = get_quoted_word(fp);
536 if (wd == (char *)EOF || wd == NULL)
537 errout("%s: %s missing object prefix string.\n",
542 if (eq(wd, "nowerror")) {
546 if (eq(wd, "local")) {
550 if (eq(wd, "no-depend")) {
556 errout("standard entry %s has optional inclusion specifier %s!\n",
558 STAILQ_FOREACH(dp, &dtab, d_next)
559 if (eq(dp->d_name, wd)) {
563 dp->d_done |= DEVDONE;
566 SLIST_FOREACH(op, &opt, op_next)
567 if (op->op_value == 0 &&
568 strcasecmp(op->op_name, wd) == 0) {
578 if (compile && tp == NULL) {
579 if (std == 0 && nreqs == 0)
580 errout("%s: what is %s optional on?\n",
584 tp->f_type = filetype;
585 if (filetype == LOCAL)
586 tp->f_srcprefix = "";
588 tp->f_srcprefix = "$S/";
590 tp->f_flags |= NO_IMPLCT_RULE;
592 tp->f_flags |= NO_CTFCONVERT;
594 tp->f_flags |= NO_OBJ | NO_CTFCONVERT;
596 tp->f_flags |= BEFORE_DEPEND;
598 tp->f_flags |= NOWERROR;
599 tp->f_compilewith = compilewith;
600 tp->f_depends = depends;
602 tp->f_warn = warning;
603 tp->f_objprefix = objprefix;
609 * Read in the information about files used in making the system.
610 * Store it in the ftab linked list.
615 char fname[MAXPATHLEN];
616 struct files_name *nl, *tnl;
618 (void) snprintf(fname, sizeof(fname), "../../conf/files");
620 (void) snprintf(fname, sizeof(fname),
621 "../../conf/files.%s", machinename);
623 for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
624 read_file(nl->f_name);
625 tnl = STAILQ_NEXT(nl, f_next);
632 do_before_depend(FILE *fp)
634 struct file_list *tp;
637 fputs("BEFORE_DEPEND=", fp);
639 STAILQ_FOREACH(tp, &ftab, f_next)
640 if (tp->f_flags & BEFORE_DEPEND) {
641 len = strlen(tp->f_fn) + strlen(tp->f_srcprefix);
642 if (len + lpos > 72) {
646 if (tp->f_flags & NO_IMPLCT_RULE)
647 lpos += fprintf(fp, "%s ", tp->f_fn);
649 lpos += fprintf(fp, "%s%s ", tp->f_srcprefix,
659 struct file_list *tp;
663 fprintf(fp, "OBJS=");
665 STAILQ_FOREACH(tp, &ftab, f_next) {
666 if (tp->f_flags & NO_OBJ)
669 cp = sp + (len = strlen(sp)) - 1;
672 len += strlen(tp->f_objprefix);
673 if (len + lpos > 72) {
675 fprintf(fp, "\\\n\t");
677 fprintf(fp, "%s%s ", tp->f_objprefix, sp);
686 do_xxfiles(char *tag, FILE *fp)
688 struct file_list *tp;
692 if (tag[strlen(tag) - 1] == '\n')
693 tag[strlen(tag) - 1] = '\0';
700 fprintf(fp, "%sFILES=", SUFF);
703 STAILQ_FOREACH(tp, &ftab, f_next)
704 if (tp->f_type != NODEPEND) {
705 len = strlen(tp->f_fn);
706 if (tp->f_fn[len - slen - 1] != '.')
708 if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
710 if (len + strlen(tp->f_srcprefix) + lpos > 72) {
714 lpos += fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
726 cp = strrchr(fn, '/');
733 * Create the makerules for each file
734 * which is part of the system.
740 struct file_list *ftp;
744 STAILQ_FOREACH(ftp, &ftab, f_next) {
746 fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
747 cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
749 if (ftp->f_flags & NO_IMPLCT_RULE) {
751 fprintf(f, "%s%s: %s\n",
752 ftp->f_objprefix, np, ftp->f_depends);
754 fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
759 fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
760 ftp->f_objprefix, tail(np),
761 ftp->f_srcprefix, np);
764 if (ftp->f_depends) {
765 fprintf(f, "%s%so: %s%s%c %s\n",
766 ftp->f_objprefix, tail(np),
767 ftp->f_srcprefix, np, och,
771 fprintf(f, "%s%so: %s%s%c\n",
772 ftp->f_objprefix, tail(np),
773 ftp->f_srcprefix, np, och);
776 compilewith = ftp->f_compilewith;
777 if (compilewith == NULL) {
778 const char *ftype = NULL;
780 switch (ftp->f_type) {
786 "config: don't know rules for %s\n", np);
789 snprintf(cmd, sizeof(cmd),
792 ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
796 if (strlen(ftp->f_objprefix))
797 fprintf(f, "\t%s %s%s\n", compilewith,
798 ftp->f_srcprefix, np);
800 fprintf(f, "\t%s\n", compilewith);
802 if (!(ftp->f_flags & NO_CTFCONVERT))
803 fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
812 struct file_list *tp;
817 STAILQ_FOREACH(tp, &ftab, f_next)
819 len = strlen(tp->f_clean);
820 if (len + lpos > 72) {
824 fprintf(fp, "%s ", tp->f_clean);
838 *str = toupper(*str);