/* Basic dependency engine for GNU Make.
-Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+Copyright (C) 1988, 89, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
This file is part of GNU Make.
GNU Make is free software; you can redistribute it and/or modify
g = goals;
while (g != 0)
{
- unsigned int ocommands_started;
- int x;
- time_t mtime = MTIME (g->file);
- check_renamed (g->file);
-
- if (makefiles)
+ /* Iterate over all double-colon entries for this file. */
+ struct file *file = g->file;
+ int stop, any_not_updated = 0;
+ for (file = g->file->double_colon ? g->file->double_colon : g->file;
+ file != NULL;
+ file = file->prev)
{
- if (g->file->cmd_target)
+ unsigned int ocommands_started;
+ int x;
+ time_t mtime = MTIME (file);
+ check_renamed (file);
+
+ if (makefiles)
{
- touch_flag = t;
- question_flag = q;
- just_print_flag = n;
+ if (file->cmd_target)
+ {
+ touch_flag = t;
+ question_flag = q;
+ just_print_flag = n;
+ }
+ else
+ touch_flag = question_flag = just_print_flag = 0;
}
- else
- touch_flag = question_flag = just_print_flag = 0;
- }
- /* Save the old value of `commands_started' so we can compare later.
- It will be incremented when any commands are actually run. */
- ocommands_started = commands_started;
+ /* Save the old value of `commands_started' so we can compare
+ later. It will be incremented when any commands are
+ actually run. */
+ ocommands_started = commands_started;
- x = update_file (g->file, makefiles ? 1 : 0);
- check_renamed (g->file);
-
- /* Set the goal's `changed' flag if any commands were started
- by calling update_file above. We check this flag below to
- decide when to give an "up to date" diagnostic. */
- g->changed += commands_started - ocommands_started;
-
- if (x != 0 || g->file->updated)
- {
- int stop = 0;
-
- /* If STATUS was not already 1, set it to 1 if
- updating failed, or to 0 if updating succeeded.
- Leave STATUS as it is if no updating was done. */
+ x = update_file (file, makefiles ? 1 : 0);
+ check_renamed (file);
- if (status < 1)
+ /* Set the goal's `changed' flag if any commands were started
+ by calling update_file above. We check this flag below to
+ decide when to give an "up to date" diagnostic. */
+ g->changed += commands_started - ocommands_started;
+
+ stop = 0;
+ if (x != 0 || file->updated)
{
- if (g->file->update_status != 0)
- {
- /* Updating failed. */
- status = 1;
- stop = !keep_going_flag && !makefiles;
- }
- else if (MTIME (g->file) != mtime)
+ /* If STATUS was not already 1, set it to 1 if
+ updating failed, or to 0 if updating succeeded.
+ Leave STATUS as it is if no updating was done. */
+
+ if (status < 1)
{
- /* Updating was done.
- If this is a makefile and just_print_flag or
- question_flag is set (meaning -n or -q was given
- and this file was specified as a command-line target),
- don't change STATUS. If STATUS is changed, we will
- get re-exec'd, and fall into an infinite loop. */
- if (!makefiles || (!just_print_flag && !question_flag))
- status = 0;
- if (makefiles && g->file->dontcare)
- /* This is a default makefile. Stop remaking. */
- stop = 1;
+ if (file->update_status != 0)
+ {
+ /* Updating failed. */
+ status = 1;
+ stop = !keep_going_flag && !makefiles;
+ }
+ else if (MTIME (file) != mtime)
+ {
+ /* Updating was done. If this is a makefile and
+ just_print_flag or question_flag is set
+ (meaning -n or -q was given and this file was
+ specified as a command-line target), don't
+ change STATUS. If STATUS is changed, we will
+ get re-exec'd, and fall into an infinite loop. */
+ if (!makefiles
+ || (!just_print_flag && !question_flag))
+ status = 0;
+ if (makefiles && file->dontcare)
+ /* This is a default makefile. Stop remaking. */
+ stop = 1;
+ }
}
}
- if (stop || g->file->prev == 0)
- {
- /* If we have found nothing whatever to do for the goal,
- print a message saying nothing needs doing. */
-
- if (!makefiles
- /* If the update_status is zero, we updated successfully
- or not at all. G->changed will have been set above if
- any commands were actually started for this goal. */
- && g->file->update_status == 0 && !g->changed
- /* Never give a message under -s or -q. */
- && !silent_flag && !question_flag)
- {
- if (g->file->phony || g->file->cmds == 0)
- message ("Nothing to be done for `%s'.",
- g->file->name);
- else
- message ("`%s' is up to date.", g->file->name);
- fflush (stdout);
- }
+ /* Keep track if any double-colon entry is not finished.
+ When they are all finished, the goal is finished. */
+ any_not_updated |= !file->updated;
+
+ if (stop)
+ break;
+ }
- /* This goal is finished. Remove it from the chain. */
- if (lastgoal == 0)
- goals = g->next;
+ if (stop || !any_not_updated)
+ {
+ /* If we have found nothing whatever to do for the goal,
+ print a message saying nothing needs doing. */
+
+ if (!makefiles
+ /* If the update_status is zero, we updated successfully
+ or not at all. G->changed will have been set above if
+ any commands were actually started for this goal. */
+ && file->update_status == 0 && !g->changed
+ /* Never give a message under -s or -q. */
+ && !silent_flag && !question_flag)
+ {
+ if (file->phony || file->cmds == 0)
+ message ("Nothing to be done for `%s'.",
+ file->name);
else
- lastgoal->next = g->next;
+ message ("`%s' is up to date.", file->name);
+ fflush (stdout);
+ }
- /* Free the storage. */
- free ((char *) g);
+ /* This goal is finished. Remove it from the chain. */
+ if (lastgoal == 0)
+ goals = g->next;
+ else
+ lastgoal->next = g->next;
- g = lastgoal == 0 ? goals : lastgoal->next;
- }
- else if (g->file->updated)
- /* This instance of the target is done being updated.
- Go to the next instance (:: rule).
- update_file cycles through all instances, but under -j,
- update_file can return while the file is running,
- then reap_children can change its command state and
- updated flag, leaving G->file done, but some of its
- other instances needing work. */
- g->file = g->file->prev;
+ /* Free the storage. */
+ free ((char *) g);
+
+ g = lastgoal == 0 ? goals : lastgoal->next;
if (stop)
break;
register int status = 0;
register struct file *f;
- for (f = file; f != 0; f = f->prev)
+ for (f = file->double_colon ? file->double_colon : file; f != 0; f = f->prev)
{
status |= update_file_1 (f, depth);
check_renamed (f);
{
register struct file *f = d->file;
+ if (f->double_colon)
+ f = f->double_colon;
do
{
running |= (f->command_state == cs_running
{
register struct file *f = d->file;
+ if (f->double_colon)
+ f = f->double_colon;
do
{
running |= (f->command_state == cs_running
if (!file->phony)
{
+ struct file *f;
+
if (just_print_flag || question_flag
|| (file->is_target && file->cmds == 0))
file->last_mtime = NEW_MTIME;
else
file->last_mtime = 0;
+
+ /* Propagate the change of modification time to all the double-colon
+ entries for this file. */
+ for (f = file->double_colon; f != 0; f = f->next)
+ f->last_mtime = file->last_mtime;
}
if (file->update_status != -1)
}
/* Store the mtime into all the entries for this file. */
+ if (file->double_colon)
+ file = file->double_colon;
do
{
file->last_mtime = mtime;
projects / thirdparty / make.git / commitdiff
