1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 1995 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * Included files 28 */ 29 #include <libintl.h> 30 31 #include <mk/defs.h> 32 #include <mksh/misc.h> /* getmem() */ 33 34 /* 35 * This file deals with "Dependency Variables". 36 * The "-V var" command line option is used to indicate 37 * that var is a dependency variable. Used in conjunction with 38 * the -P option the user is asking if the named variables affect 39 * the dependencies of the given target. 40 */ 41 42 struct _Depvar { 43 Name name; /* Name of variable */ 44 struct _Depvar *next; /* Linked list */ 45 Boolean cmdline; /* Macro defined on the cmdline? */ 46 }; 47 48 typedef struct _Depvar *Depvar; 49 50 static Depvar depvar_list; 51 static Depvar *bpatch = &depvar_list; 52 static Boolean variant_deps; 53 54 /* 55 * Add a name to the list. 56 */ 57 58 void depvar_add_to_list(Name name,Boolean cmdline)59depvar_add_to_list(Name name, Boolean cmdline) 60 { 61 Depvar dv; 62 63 dv = ALLOC(Depvar); 64 dv->name = name; 65 dv->next = NULL; 66 dv->cmdline = cmdline; 67 *bpatch = dv; 68 bpatch = &dv->next; 69 } 70 71 /* 72 * The macro `name' has been used in either the left-hand or 73 * right-hand side of a dependency. See if it is in the 74 * list. Two things are looked for. Names given as args 75 * to the -V list are checked so as to set the same/differ 76 * output for the -P option. Names given as macro=value 77 * command-line args are checked and, if found, an NSE 78 * warning is produced. 79 */ 80 void depvar_dep_macro_used(Name name)81depvar_dep_macro_used(Name name) 82 { 83 Depvar dv; 84 85 for (dv = depvar_list; dv != NULL; dv = dv->next) { 86 if (name == dv->name) { 87 variant_deps = true; 88 break; 89 } 90 } 91 } 92 93 94 /* 95 * Print the results. If any of the Dependency Variables 96 * affected the dependencies then the dependencies potentially 97 * differ because of these variables. 98 */ 99 void depvar_print_results(void)100depvar_print_results(void) 101 { 102 if (variant_deps) { 103 printf(gettext("differ\n")); 104 } else { 105 printf(gettext("same\n")); 106 } 107 } 108 109