310 lines
6.6 KiB
C
310 lines
6.6 KiB
C
/*
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* Copyright (c) 1980 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1980 Regents of the University of California.\n\
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All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)main.c 5.17 (Berkeley) 7/1/91";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/file.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "y.tab.h"
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#include "config.h"
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static char *PREFIX;
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/*
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* Config builds a set of files for building a UNIX
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* system given a description of the desired system.
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*/
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main(argc, argv)
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int argc;
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char **argv;
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{
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extern char *optarg;
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extern int optind;
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struct stat buf;
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int ch;
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char *p;
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fatal_errors =1;
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while ((ch = getopt(argc, argv, "gpk")) != EOF)
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switch (ch) {
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case 'g':
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debugging++;
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break;
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case 'p':
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profiling++;
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break;
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case 'k':
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fatal_errors=0;
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break;
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case '?':
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default:
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goto usage;
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}
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argc -= optind;
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argv += optind;
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if (argc != 1) {
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usage: fputs("usage: config [-gkp] sysname\n", stderr);
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exit(1);
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}
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if (freopen(PREFIX = *argv, "r", stdin) == NULL) {
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perror(PREFIX);
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exit(2);
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}
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if (stat(p = path((char *)NULL), &buf)) {
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if (mkdir(p, 0777)) {
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perror(p);
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exit(2);
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}
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}
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else if ((buf.st_mode & S_IFMT) != S_IFDIR) {
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fprintf(stderr, "config: %s isn't a directory.\n", p);
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exit(2);
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}
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dtab = NULL;
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confp = &conf_list;
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if (yyparse())
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exit(3);
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switch (machine) {
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case MACHINE_VAX:
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vax_ioconf(); /* Print ioconf.c */
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ubglue(); /* Create ubglue.s */
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break;
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case MACHINE_TAHOE:
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tahoe_ioconf();
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vbglue();
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break;
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case MACHINE_HP300:
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hp300_ioconf();
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hpglue();
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break;
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case MACHINE_I386:
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i386_ioconf(); /* Print ioconf.c */
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vector(); /* Create vector.s */
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break;
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default:
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printf("Specify machine type, e.g. ``machine vax''\n");
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exit(1);
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}
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/*
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* make symbolic links in compilation directory
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* for "sys" (to make genassym.c work along with #include <sys/xxx>)
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* and similarly for "machine".
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*/
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{
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char xxx[80];
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(void) sprintf(xxx, "../../include", machinename);
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(void) symlink(xxx, path("machine"));
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}
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makefile(); /* build Makefile */
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headers(); /* make a lot of .h files */
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swapconf(); /* swap config files */
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printf("Don't forget to run \"make depend\"\n");
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exit(0);
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}
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#define is_paren(x) ((x == '(') || (x == ')'))
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#define is_comment(x) (x == '#')
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/*
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* get_word
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* returns EOF on end of file
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* NULL on end of line
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* pointer to the word otherwise
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*/
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char *
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get_word(fp)
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register FILE *fp;
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{
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static char line[80];
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register int ch;
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register char *cp;
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while ((ch = getc(fp)) != EOF)
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if (ch != ' ' && ch != '\t')
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break;
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if (ch == EOF)
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return ((char *)EOF);
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if (ch == '\n')
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return (NULL);
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if (is_paren(ch)) {
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line[0] = ch;
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line[1] = '\0';
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return line;
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}
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if (is_comment(ch)) {
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while ((ch = getc(fp)) != EOF)
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if (ch == '\n')
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break;
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if (ch == EOF) return ((char *)EOF);
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else return NULL;
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}
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cp = line;
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*cp++ = ch;
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while ((ch = getc(fp)) != EOF) {
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if (isspace(ch) || is_paren(ch))
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break;
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*cp++ = ch;
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}
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*cp = 0;
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if (ch == EOF)
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return ((char *)EOF);
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(void) ungetc(ch, fp);
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return (line);
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}
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/*
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* get_rword
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* returns EOF on end of file
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* NULL on end of line
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* pointer to the word otherwise
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*/
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char *
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get_rword(fp)
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register FILE *fp;
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{
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static char line[80];
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register int ch;
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register char *cp;
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while ((ch = getc(fp)) != EOF)
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if (ch != ' ' && ch != '\t')
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break;
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if (ch == EOF)
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return ((char *)EOF);
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if (ch == '\n')
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return (NULL);
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cp = line;
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*cp++ = ch;
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while ((ch = getc(fp)) != EOF) {
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if (isspace(ch) || is_paren(ch))
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break;
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*cp++ = ch;
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}
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*cp = 0;
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if (ch == EOF)
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return ((char *)EOF);
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(void) ungetc(ch, fp);
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return (line);
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}
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/*
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* get_quoted_word
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* like get_word but will accept something in double or single quotes
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* (to allow embedded spaces).
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*/
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char *
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get_quoted_word(fp)
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register FILE *fp;
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{
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static char line[256];
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register int ch;
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register char *cp;
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while ((ch = getc(fp)) != EOF)
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if (ch != ' ' && ch != '\t')
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break;
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if (ch == EOF)
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return ((char *)EOF);
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if (ch == '\n')
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return (NULL);
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cp = line;
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if (ch == '"' || ch == '\'') {
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register int quote = ch;
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while ((ch = getc(fp)) != EOF) {
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if (ch == quote)
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break;
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if (ch == '\n') {
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*cp = 0;
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printf("config: missing quote reading `%s'\n",
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line);
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exit(2);
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}
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*cp++ = ch;
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}
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} else {
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*cp++ = ch;
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while ((ch = getc(fp)) != EOF) {
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if (isspace(ch))
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break;
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*cp++ = ch;
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}
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if (ch != EOF)
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(void) ungetc(ch, fp);
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}
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*cp = 0;
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if (ch == EOF)
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return ((char *)EOF);
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return (line);
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}
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/*
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* prepend the path to a filename
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*/
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char *
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path(file)
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char *file;
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{
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register char *cp;
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#define CDIR "../compile/"
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cp = malloc((unsigned int)(sizeof(CDIR) + strlen(PREFIX) +
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(file ? strlen(file) : 0) + 2));
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(void) strcpy(cp, CDIR);
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(void) strcat(cp, PREFIX);
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if (file) {
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(void) strcat(cp, "/");
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(void) strcat(cp, file);
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}
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return (cp);
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}
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