| 1 | /* |
| 2 | * Copyright (c) 1980 Regents of the University of California. |
| 3 | * All rights reserved. The Berkeley software License Agreement |
| 4 | * specifies the terms and conditions for redistribution. |
| 5 | */ |
| 6 | |
| 7 | #ifndef lint |
| 8 | char copyright[] = |
| 9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ |
| 10 | All rights reserved.\n"; |
| 11 | #endif not lint |
| 12 | |
| 13 | #ifndef lint |
| 14 | static char sccsid[] = "@(#)main.c 5.4 (Berkeley) %G%"; |
| 15 | #endif not lint |
| 16 | |
| 17 | #include <stdio.h> |
| 18 | #include <ctype.h> |
| 19 | #include "y.tab.h" |
| 20 | #include "config.h" |
| 21 | |
| 22 | /* |
| 23 | * Config builds a set of files for building a UNIX |
| 24 | * system given a description of the desired system. |
| 25 | */ |
| 26 | main(argc, argv) |
| 27 | int argc; |
| 28 | char **argv; |
| 29 | { |
| 30 | |
| 31 | if (argc > 1 && eq("-p", argv[1])) { |
| 32 | profiling++; |
| 33 | argc--, argv++; |
| 34 | } |
| 35 | if (argc != 2) { |
| 36 | fprintf(stderr, "usage: config [ -p ] sysname\n"); |
| 37 | exit(1); |
| 38 | } |
| 39 | PREFIX = argv[1]; |
| 40 | if (freopen(argv[1], "r", stdin) == NULL) { |
| 41 | perror(argv[1]); |
| 42 | exit(2); |
| 43 | } |
| 44 | dtab = NULL; |
| 45 | confp = &conf_list; |
| 46 | if (yyparse()) |
| 47 | exit(3); |
| 48 | switch (machine) { |
| 49 | |
| 50 | case MACHINE_VAX: |
| 51 | vax_ioconf(); /* Print ioconf.c */ |
| 52 | ubglue(); /* Create ubglue.s */ |
| 53 | break; |
| 54 | |
| 55 | case MACHINE_TAHOE: |
| 56 | tahoe_ioconf(); |
| 57 | vbglue(); |
| 58 | break; |
| 59 | |
| 60 | default: |
| 61 | printf("Specify machine type, e.g. ``machine vax''\n"); |
| 62 | exit(1); |
| 63 | } |
| 64 | /* |
| 65 | * make symbolic links in compilation directory |
| 66 | * for "sys" (to make genassym.c work along with #include <sys/xxx>) |
| 67 | * and similarly for "machine". |
| 68 | */ |
| 69 | { |
| 70 | char xxx[80]; |
| 71 | |
| 72 | (void) symlink("../h", path("sys")); |
| 73 | sprintf(xxx, "../%s", machinename); |
| 74 | (void) symlink(xxx, path("machine")); |
| 75 | } |
| 76 | makefile(); /* build Makefile */ |
| 77 | headers(); /* make a lot of .h files */ |
| 78 | swapconf(); /* swap config files */ |
| 79 | printf("Don't forget to run \"make depend\"\n"); |
| 80 | } |
| 81 | |
| 82 | /* |
| 83 | * get_word |
| 84 | * returns EOF on end of file |
| 85 | * NULL on end of line |
| 86 | * pointer to the word otherwise |
| 87 | */ |
| 88 | char * |
| 89 | get_word(fp) |
| 90 | register FILE *fp; |
| 91 | { |
| 92 | static char line[80]; |
| 93 | register int ch; |
| 94 | register char *cp; |
| 95 | |
| 96 | while ((ch = getc(fp)) != EOF) |
| 97 | if (ch != ' ' && ch != '\t') |
| 98 | break; |
| 99 | if (ch == EOF) |
| 100 | return ((char *)EOF); |
| 101 | if (ch == '\n') |
| 102 | return (NULL); |
| 103 | cp = line; |
| 104 | *cp++ = ch; |
| 105 | while ((ch = getc(fp)) != EOF) { |
| 106 | if (isspace(ch)) |
| 107 | break; |
| 108 | *cp++ = ch; |
| 109 | } |
| 110 | *cp = 0; |
| 111 | if (ch == EOF) |
| 112 | return ((char *)EOF); |
| 113 | (void) ungetc(ch, fp); |
| 114 | return (line); |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * prepend the path to a filename |
| 119 | */ |
| 120 | char * |
| 121 | path(file) |
| 122 | char *file; |
| 123 | { |
| 124 | register char *cp; |
| 125 | |
| 126 | cp = malloc((unsigned)(strlen(PREFIX)+strlen(file)+5)); |
| 127 | (void) strcpy(cp, "../"); |
| 128 | (void) strcat(cp, PREFIX); |
| 129 | (void) strcat(cp, "/"); |
| 130 | (void) strcat(cp, file); |
| 131 | return (cp); |
| 132 | } |