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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1995 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* @(#)depvar.cc 1.14 06/12/12
*/
#pragma ident "@(#)depvar.cc 1.14 06/12/12"
/*
* Included files
*/
#include <mk/defs.h>
#include <mksh/misc.h> /* getmem() */
/*
* This file deals with "Dependency Variables".
* The "-V var" command line option is used to indicate
* that var is a dependency variable. Used in conjunction with
* the -P option the user is asking if the named variables affect
* the dependencies of the given target.
*/
struct _Depvar {
Name name; /* Name of variable */
struct _Depvar *next; /* Linked list */
Boolean cmdline; /* Macro defined on the cmdline? */
};
typedef struct _Depvar *Depvar;
static Depvar depvar_list;
static Depvar *bpatch = &depvar_list;
static Boolean variant_deps;
/*
* Add a name to the list.
*/
void
depvar_add_to_list(Name name, Boolean cmdline)
{
Depvar dv;
#ifdef SUNOS4_AND_AFTER
dv = ALLOC(Depvar);
#else
dv = (Depvar) Malloc(sizeof(struct _Depvar));
#endif
dv->name = name;
dv->next = NULL;
dv->cmdline = cmdline;
*bpatch = dv;
bpatch = &dv->next;
}
/*
* The macro `name' has been used in either the left-hand or
* right-hand side of a dependency. See if it is in the
* list. Two things are looked for. Names given as args
* to the -V list are checked so as to set the same/differ
* output for the -P option. Names given as macro=value
* command-line args are checked and, if found, an NSE
* warning is produced.
*/
void
depvar_dep_macro_used(Name name)
{
Depvar dv;
for (dv = depvar_list; dv != NULL; dv = dv->next) {
if (name == dv->name) {
#ifdef NSE
#ifdef SUNOS4_AND_AFTER
if (dv->cmdline) {
#else
if (is_true(dv->cmdline)) {
#endif
nse_dep_cmdmacro(dv->name->string);
}
#endif
variant_deps = true;
break;
}
}
}
#ifdef NSE
/*
* The macro `name' has been used in either the argument
* to a cd before a recursive make. See if it was
* defined on the command-line and, if so, complain.
*/
void
depvar_rule_macro_used(Name name)
{
Depvar dv;
for (dv = depvar_list; dv != NULL; dv = dv->next) {
if (name == dv->name) {
#ifdef SUNOS4_AND_AFTER
if (dv->cmdline) {
#else
if (is_true(dv->cmdline)) {
#endif
nse_rule_cmdmacro(dv->name->string);
}
break;
}
}
}
#endif
/*
* Print the results. If any of the Dependency Variables
* affected the dependencies then the dependencies potentially
* differ because of these variables.
*/
void
depvar_print_results(void)
{
if (variant_deps) {
printf(catgets(catd, 1, 234, "differ\n"));
} else {
printf(catgets(catd, 1, 235, "same\n"));
}
}
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