/* * 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 #include #include #include #include #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; int old_config_present; /* * 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); } #ifndef NO_CLOBBER_EVER 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); } } #endif else old_config_present++; 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 ) * and similarly for "machine". */ { char xxx[80]; (void) sprintf(xxx, "../../%s/include", machinename); (void) symlink(xxx, path("machine")); } options(); /* make options .h files */ 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); }