freebsd-dev/usr.sbin/config/main.c
Jordan K. Hubbard 786a5cad11 Change the perennially annoying reminder to "make depend" (which may or
may not be desired if you're just going to blow the kernel away again later)
and substitute one that tells the user where the new kernel build
directory actually IS, which can at least be argued to be useful information
in all cases.
Reviewed by:	davidg
1995-05-03 20:16:57 +00:00

324 lines
6.7 KiB
C

/*
* Copyright (c) 1980, 1993
* The 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 copyright[] =
"@(#) Copyright (c) 1980, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/6/93";
#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <stdio.h>
#include <ctype.h>
#include "y.tab.h"
#include "config.h"
#ifndef TRUE
#define TRUE (1)
#endif
#ifndef FALSE
#define FALSE (0)
#endif
static char *PREFIX;
static int no_config_clobber = FALSE;
/*
* Config builds a set of files for building a UNIX
* system given a description of the desired system.
*/
main(argc, argv)
int argc;
char **argv;
{
extern char *optarg;
extern int optind;
struct stat buf;
int ch;
char *p;
while ((ch = getopt(argc, argv, "gpn")) != EOF)
switch (ch) {
case 'g':
debugging++;
break;
case 'p':
profiling++;
break;
case 'n':
no_config_clobber = TRUE;
break;
case '?':
default:
goto usage;
}
argc -= optind;
argv += optind;
if (argc != 1) {
usage: fputs("usage: config [-gpn] sysname\n", stderr);
exit(1);
}
if (freopen(PREFIX = *argv, "r", stdin) == NULL) {
perror(PREFIX);
exit(2);
}
if (getenv("NO_CONFIG_CLOBBER"))
no_config_clobber = TRUE;
p = path((char *)NULL);
if (stat(p, &buf)) {
if (mkdir(p, 0777)) {
perror(p);
exit(2);
}
}
else if ((buf.st_mode & S_IFMT) != S_IFDIR) {
fprintf(stderr, "config: %s isn't a directory.\n", p);
exit(2);
}
else if (!no_config_clobber) {
char tmp[strlen(p) + 8];
fprintf(stderr, "Removing old directory %s: ", p);
fflush(stderr);
sprintf(tmp, "rm -rf %s", p);
if (system(tmp)) {
fprintf(stderr, "Failed!\n");
perror(tmp);
exit(2);
}
fprintf(stderr, "Done.\n");
if (mkdir(p, 0777)) {
perror(p);
exit(2);
}
}
loadaddress = -1;
dtab = NULL;
confp = &conf_list;
compp = &comp_list;
if (yyparse())
exit(3);
switch (machine) {
case MACHINE_VAX:
vax_ioconf(); /* Print ioconf.c */
ubglue(); /* Create ubglue.s */
break;
case MACHINE_TAHOE:
tahoe_ioconf();
vbglue();
break;
case MACHINE_HP300:
case MACHINE_LUNA68K:
hp300_ioconf();
hpglue();
break;
case MACHINE_I386:
i386_ioconf(); /* Print ioconf.c */
vector(); /* Create vector.s */
break;
case MACHINE_MIPS:
case MACHINE_PMAX:
pmax_ioconf();
break;
case MACHINE_NEWS3400:
news_ioconf();
break;
default:
printf("Specify machine type, e.g. ``machine vax''\n");
exit(1);
}
/*
* make symbolic links in compilation directory
* for "sys" (to make genassym.c work along with #include <sys/xxx>)
* and similarly for "machine".
*/
{
char xxx[80];
(void) sprintf(xxx, "../../%s/include", machinename);
(void) symlink(xxx, path("machine"));
}
makefile(); /* build Makefile */
headers(); /* make a lot of .h files */
swapconf(); /* swap config files */
printf("Kernel build directory is %s\n", p);
exit(0);
}
/*
* get_word
* returns EOF on end of file
* NULL on end of line
* pointer to the word otherwise
*/
char *
get_word(fp)
register FILE *fp;
{
static char line[80];
register int ch;
register char *cp;
int escaped_nl = 0;
begin:
while ((ch = getc(fp)) != EOF)
if (ch != ' ' && ch != '\t')
break;
if (ch == EOF)
return ((char *)EOF);
if (ch == '\\'){
escaped_nl = 1;
goto begin;
}
if (ch == '\n')
if (escaped_nl){
escaped_nl = 0;
goto begin;
}
else
return (NULL);
cp = line;
*cp++ = ch;
while ((ch = getc(fp)) != EOF) {
if (isspace(ch))
break;
*cp++ = ch;
}
*cp = 0;
if (ch == EOF)
return ((char *)EOF);
(void) ungetc(ch, fp);
return (line);
}
/*
* get_quoted_word
* like get_word but will accept something in double or single quotes
* (to allow embedded spaces).
*/
char *
get_quoted_word(fp)
register FILE *fp;
{
static char line[256];
register int ch;
register char *cp;
int escaped_nl = 0;
begin:
while ((ch = getc(fp)) != EOF)
if (ch != ' ' && ch != '\t')
break;
if (ch == EOF)
return ((char *)EOF);
if (ch == '\\'){
escaped_nl = 1;
goto begin;
}
if (ch == '\n')
if (escaped_nl){
escaped_nl = 0;
goto begin;
}
else
return (NULL);
cp = line;
if (ch == '"' || ch == '\'') {
register int quote = ch;
while ((ch = getc(fp)) != EOF) {
if (ch == quote)
break;
if (ch == '\n') {
*cp = 0;
printf("config: missing quote reading `%s'\n",
line);
exit(2);
}
*cp++ = ch;
}
} else {
*cp++ = ch;
while ((ch = getc(fp)) != EOF) {
if (isspace(ch))
break;
*cp++ = ch;
}
if (ch != EOF)
(void) ungetc(ch, fp);
}
*cp = 0;
if (ch == EOF)
return ((char *)EOF);
return (line);
}
/*
* prepend the path to a filename
*/
char *
path(file)
char *file;
{
register char *cp;
#define CDIR "../../compile/"
cp = malloc((unsigned int)(sizeof(CDIR) + strlen(PREFIX) +
(file ? strlen(file) : 0) + 2));
(void) strcpy(cp, CDIR);
(void) strcat(cp, PREFIX);
if (file) {
(void) strcat(cp, "/");
(void) strcat(cp, file);
}
return (cp);
}