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- /*
- * Copyright (c) 1980,1990 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)mkmakefile.c 5.33 (Berkeley) 7/1/91";
- #endif /* not lint */
-
- /*
- * Build the makefile for the system, from
- * the information in the files files and the
- * additional files for the machine being compiled to.
- */
-
- #include <stdio.h>
- #include <ctype.h>
- #include "y.tab.h"
- #include "config.h"
-
- #define next_word(fp, wd) \
- { register char *word = get_word(fp); \
- if (word == (char *)EOF) \
- return; \
- else \
- wd = word; \
- }
- #define next_quoted_word(fp, wd) \
- { register char *word = get_quoted_word(fp); \
- if (word == (char *)EOF) \
- return; \
- else \
- wd = word; \
- }
-
- static struct file_list *fcur;
- char *tail();
-
- /*
- * Lookup a file, by name.
- */
- struct file_list *
- fl_lookup(file)
- register char *file;
- {
- register struct file_list *fp;
-
- for (fp = ftab ; fp != 0; fp = fp->f_next) {
- if (eq(fp->f_fn, file))
- return (fp);
- }
- return (0);
- }
-
- /*
- * Lookup a file, by final component name.
- */
- struct file_list *
- fltail_lookup(file)
- register char *file;
- {
- register struct file_list *fp;
-
- for (fp = ftab ; fp != 0; fp = fp->f_next) {
- if (eq(tail(fp->f_fn), tail(file)))
- return (fp);
- }
- return (0);
- }
-
- /*
- * Make a new file list entry
- */
- struct file_list *
- new_fent()
- {
- register struct file_list *fp;
-
- fp = (struct file_list *) malloc(sizeof *fp);
- bzero(fp, sizeof *fp);
- if (fcur == 0)
- fcur = ftab = fp;
- else
- fcur->f_next = fp;
- fcur = fp;
- return (fp);
- }
-
- static struct users {
- int u_default;
- int u_min;
- int u_max;
- } users[] = {
- { 24, 8, 1024 }, /* MACHINE_VAX */
- { 4, 2, 128 }, /* MACHINE_TAHOE */
- { 8, 2, 64 }, /* MACHINE_HP300 */
- { 8, 2, 64 }, /* MACHINE_I386 */
- };
- #define NUSERS (sizeof (users) / sizeof (users[0]))
-
- /*
- * Build the makefile from the skeleton
- */
- makefile()
- {
- FILE *ifp, *ofp;
- char line[BUFSIZ];
- struct opt *op;
- struct users *up;
-
- read_files();
- strcpy(line, "Makefile.");
- (void) strcat(line, machinename);
- ifp = fopen(line, "r");
- if (ifp == 0) {
- perror(line);
- exit(1);
- }
- ofp = fopen(path("Makefile"), "w");
- if (ofp == 0) {
- perror(path("Makefile"));
- exit(1);
- }
- fprintf(ofp, "IDENT=-D%s", raise(ident));
- if (profiling)
- fprintf(ofp, " -DGPROF");
- if (cputype == 0) {
- printf("cpu type must be specified\n");
- exit(1);
- }
- { struct cputype *cp;
- for (cp = cputype; cp; cp = cp->cpu_next)
- fprintf(ofp, " -D%s", cp->cpu_name);
- }
- for (op = opt; op; op = op->op_next)
- if (op->op_value)
- fprintf(ofp, " -D%s=\"%s\"", op->op_name, op->op_value);
- else
- fprintf(ofp, " -D%s", op->op_name);
- fprintf(ofp, "\n");
- if (hadtz == 0)
- printf("timezone not specified; gmt assumed\n");
- if ((unsigned)machine > NUSERS) {
- printf("maxusers config info isn't present, using vax\n");
- up = &users[MACHINE_VAX-1];
- } else
- up = &users[machine-1];
- if (maxusers == 0) {
- printf("maxusers not specified; %d assumed\n", up->u_default);
- maxusers = up->u_default;
- } else if (maxusers < up->u_min) {
- printf("minimum of %d maxusers assumed\n", up->u_min);
- maxusers = up->u_min;
- } else if (maxusers > up->u_max)
- printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers);
- fprintf(ofp, "PARAM=-DTIMEZONE=%d -DDST=%d -DMAXUSERS=%d\n",
- zone, dst, maxusers);
- for (op = mkopt; op; op = op->op_next)
- fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
- if (debugging)
- fprintf(ofp, "DEBUG=-g\n");
- if (profiling)
- fprintf(ofp, "PROF=-pg\n");
- while (fgets(line, BUFSIZ, ifp) != 0) {
- if (*line != '%') {
- fprintf(ofp, "%s", line);
- continue;
- }
- if (eq(line, "%OBJS\n"))
- do_objs(ofp);
- else if (eq(line, "%CFILES\n"))
- do_cfiles(ofp);
- else if (eq(line, "%RULES\n"))
- do_rules(ofp);
- else if (eq(line, "%LOAD\n"))
- do_load(ofp);
- else
- fprintf(stderr,
- "Unknown %% construct in generic makefile: %s",
- line);
- }
- (void) fclose(ifp);
- (void) fclose(ofp);
- }
-
- /*
- * Read in the information about files used in making the system.
- * Store it in the ftab linked list.
- */
- read_files()
- {
- FILE *fp;
- register struct file_list *tp, *pf;
- register struct device *dp;
- struct device *save_dp;
- register struct opt *op;
- char *wd, *this, *needs, *special;
- char fname[32];
- int nreqs, first = 1, configdep, isdup, std, filetype;
-
- ftab = 0;
- (void) strcpy(fname, "../../conf/files");
- openit:
- fp = fopen(fname, "r");
- if (fp == 0) {
- perror(fname);
- exit(1);
- }
- next:
- /*
- * filename [ standard | optional ] [ config-dependent ]
- * [ dev* | profiling-routine ] [ device-driver]
- * [ compile-with "compile rule" ]
- */
- wd = get_word(fp);
- if (wd == (char *)EOF) {
- (void) fclose(fp);
- if (first == 1) {
- (void) sprintf(fname, "files.%s", machinename);
- first++;
- goto openit;
- }
- if (first == 2) {
- (void) sprintf(fname, "files.%s", raise(ident));
- first++;
- fp = fopen(fname, "r");
- if (fp != 0)
- goto next;
- }
- return;
- }
- if (wd == 0)
- goto next;
- this = ns(wd);
- next_word(fp, wd);
- if (wd == 0) {
- printf("%s: No type for %s.\n",
- fname, this);
- exit(1);
- }
- if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
- isdup = 1;
- else
- isdup = 0;
- tp = 0;
- if (first == 3 && (tp = fltail_lookup(this)) != 0)
- printf("%s: Local file %s overrides %s.\n",
- fname, this, tp->f_fn);
- nreqs = 0;
- special = 0;
- configdep = 0;
- needs = 0;
- std = 0;
- filetype = NORMAL;
- if (eq(wd, "standard"))
- std = 1;
- else if (!eq(wd, "optional")) {
- printf("%s: %s must be optional or standard\n", fname, this);
- exit(1);
- }
- nextparam:
- next_word(fp, wd);
- if (wd == 0)
- goto doneparam;
- if (eq(wd, "config-dependent")) {
- configdep++;
- goto nextparam;
- }
- if (eq(wd, "compile-with")) {
- next_quoted_word(fp, wd);
- if (wd == 0) {
- printf("%s: %s missing compile command string.\n",
- fname);
- exit(1);
- }
- special = ns(wd);
- goto nextparam;
- }
- nreqs++;
- if (eq(wd, "device-driver")) {
- filetype = DRIVER;
- goto nextparam;
- }
- if (eq(wd, "profiling-routine")) {
- filetype = PROFILING;
- goto nextparam;
- }
- if (needs == 0 && nreqs == 1)
- needs = ns(wd);
- if (isdup)
- goto invis;
- for (dp = dtab; dp != 0; save_dp = dp, dp = dp->d_next)
- if (eq(dp->d_name, wd)) {
- if (std && dp->d_type == PSEUDO_DEVICE &&
- dp->d_slave <= 0)
- dp->d_slave = 1;
- goto nextparam;
- }
- if (std) {
- dp = (struct device *) malloc(sizeof *dp);
- init_dev(dp);
- dp->d_name = ns(wd);
- dp->d_type = PSEUDO_DEVICE;
- dp->d_slave = 1;
- save_dp->d_next = dp;
- goto nextparam;
- }
- for (op = opt; op != 0; op = op->op_next)
- if (op->op_value == 0 && opteq(op->op_name, wd)) {
- if (nreqs == 1) {
- free(needs);
- needs = 0;
- }
- goto nextparam;
- }
- invis:
- while ((wd = get_word(fp)) != 0)
- ;
- if (tp == 0)
- tp = new_fent();
- tp->f_fn = this;
- tp->f_type = INVISIBLE;
- tp->f_needs = needs;
- tp->f_flags = isdup;
- tp->f_special = special;
- goto next;
-
- doneparam:
- if (std == 0 && nreqs == 0) {
- printf("%s: what is %s optional on?\n",
- fname, this);
- exit(1);
- }
-
- save:
- if (wd) {
- printf("%s: syntax error describing %s\n",
- fname, this);
- exit(1);
- }
- if (filetype == PROFILING && profiling == 0)
- goto next;
- if (tp == 0)
- tp = new_fent();
- tp->f_fn = this;
- tp->f_type = filetype;
- tp->f_flags = 0;
- if (configdep)
- tp->f_flags |= CONFIGDEP;
- tp->f_needs = needs;
- tp->f_special = special;
- if (pf && pf->f_type == INVISIBLE)
- pf->f_flags = 1; /* mark as duplicate */
- goto next;
- }
-
- opteq(cp, dp)
- char *cp, *dp;
- {
- char c, d;
-
- for (; ; cp++, dp++) {
- if (*cp != *dp) {
- c = isupper(*cp) ? tolower(*cp) : *cp;
- d = isupper(*dp) ? tolower(*dp) : *dp;
- if (c != d)
- return (0);
- }
- if (*cp == 0)
- return (1);
- }
- }
-
- do_objs(fp)
- FILE *fp;
- {
- register struct file_list *tp, *fl;
- register int lpos, len;
- register char *cp, och, *sp;
- char swapname[32];
-
- fprintf(fp, "OBJS=");
- lpos = 6;
- for (tp = ftab; tp != 0; tp = tp->f_next) {
- if (tp->f_type == INVISIBLE)
- continue;
- sp = tail(tp->f_fn);
- for (fl = conf_list; fl; fl = fl->f_next) {
- if (fl->f_type != SWAPSPEC)
- continue;
- (void) sprintf(swapname, "swap%s.c", fl->f_fn);
- if (eq(sp, swapname))
- goto cont;
- }
- cp = sp + (len = strlen(sp)) - 1;
- och = *cp;
- *cp = 'o';
- if (len + lpos > 72) {
- lpos = 8;
- fprintf(fp, "\\\n\t");
- }
- fprintf(fp, "%s ", sp);
- lpos += len + 1;
- *cp = och;
- cont:
- ;
- }
- if (lpos != 8)
- putc('\n', fp);
- }
-
- do_cfiles(fp)
- FILE *fp;
- {
- register struct file_list *tp, *fl;
- register int lpos, len;
- char swapname[32];
-
- fputs("CFILES=", fp);
- lpos = 8;
- for (tp = ftab; tp; tp = tp->f_next)
- if (tp->f_type != INVISIBLE) {
- len = strlen(tp->f_fn);
- if (tp->f_fn[len - 1] != 'c')
- continue;
- if ((len = 3 + len) + lpos > 72) {
- lpos = 8;
- fputs("\\\n\t", fp);
- }
- fprintf(fp, "$S/%s ", tp->f_fn);
- lpos += len + 1;
- }
- for (fl = conf_list; fl; fl = fl->f_next)
- if (fl->f_type == SYSTEMSPEC) {
- (void) sprintf(swapname, "swap%s.c", fl->f_fn);
- if ((len = 3 + strlen(swapname)) + lpos > 72) {
- lpos = 8;
- fputs("\\\n\t", fp);
- }
- if (eq(fl->f_fn, "generic"))
- fprintf(fp, "$S/%s/%s/%s ",
- machinename, machinename, swapname);
- else
- fprintf(fp, "%s ", swapname);
- lpos += len + 1;
- }
- if (lpos != 8)
- putc('\n', fp);
- }
-
- char *
- tail(fn)
- char *fn;
- {
- register char *cp;
-
- cp = rindex(fn, '/');
- if (cp == 0)
- return (fn);
- return (cp+1);
- }
-
- /*
- * Create the makerules for each file
- * which is part of the system.
- * Devices are processed with the special c2 option -i
- * which avoids any problem areas with i/o addressing
- * (e.g. for the VAX); assembler files are processed by as.
- */
- do_rules(f)
- FILE *f;
- {
- register char *cp, *np, och, *tp;
- register struct file_list *ftp;
- char *special;
-
- for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
- if (ftp->f_type == INVISIBLE)
- continue;
- cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
- och = *cp;
- *cp = '\0';
- if (och == 'o') {
- fprintf(f, "%so:\n\t-cp $S/%so .\n\n", tail(np), np);
- continue;
- }
- fprintf(f, "%so: $S/%s%c\n", tail(np), np, och);
- tp = tail(np);
- special = ftp->f_special;
- if (special == 0) {
- char *ftype;
- static char cmd[128];
-
- switch (ftp->f_type) {
-
- case NORMAL:
- ftype = "NORMAL";
- break;
-
- case DRIVER:
- ftype = "DRIVER";
- break;
-
- case PROFILING:
- if (!profiling)
- continue;
- ftype = "PROFILE";
- break;
-
- default:
- printf("config: don't know rules for %s\n", np);
- break;
- }
- (void)sprintf(cmd, "${%s_%c%s}", ftype, toupper(och),
- ftp->f_flags & CONFIGDEP? "_C" : "");
- special = cmd;
- }
- *cp = och;
- fprintf(f, "\t%s\n\n", special);
- }
- }
-
- /*
- * Create the load strings
- */
- do_load(f)
- register FILE *f;
- {
- register struct file_list *fl;
- register int first;
- struct file_list *do_systemspec();
-
- for (first = 1, fl = conf_list; fl; first = 0)
- fl = fl->f_type == SYSTEMSPEC ?
- do_systemspec(f, fl, first) : fl->f_next;
- fputs("all:", f);
- for (fl = conf_list; fl; fl = fl->f_next)
- if (fl->f_type == SYSTEMSPEC)
- fprintf(f, " %s", fl->f_needs);
- putc('\n', f);
- }
-
- struct file_list *
- do_systemspec(f, fl, first)
- FILE *f;
- register struct file_list *fl;
- int first;
- {
-
- fprintf(f, "%s: ${SYSTEM_DEP} swap%s.o", fl->f_needs, fl->f_fn);
- if (first)
- fprintf(f, " newvers");
- fprintf(f, "\n\t${SYSTEM_LD_HEAD}\n");
- fprintf(f, "\t${SYSTEM_LD} swap%s.o\n", fl->f_fn);
- fprintf(f, "\t${SYSTEM_LD_TAIL}\n\n");
- do_swapspec(f, fl->f_fn);
- for (fl = fl->f_next; fl->f_type == SWAPSPEC; fl = fl->f_next)
- ;
- return (fl);
- }
-
- do_swapspec(f, name)
- FILE *f;
- register char *name;
- {
-
- if (!eq(name, "generic"))
- fprintf(f, "swap%s.o: swap%s.c\n", name, name);
- else
- fprintf(f, "swapgeneric.o: ../%s/swapgeneric.c\n",
- machinename);
- fprintf(f, "\t${NORMAL_C}\n\n");
- }
-
- char *
- raise(str)
- register char *str;
- {
- register char *cp = str;
-
- while (*str) {
- if (islower(*str))
- *str = toupper(*str);
- str++;
- }
- return (cp);
- }
-