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Sun Jul 30 00:49:53 1995 Richard Stallman <rms@mole.gnu.ai.mit.edu>

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* file.h (struct file): New field `secondary'.
	* file.c (snap_deps): Check for .INTERMEDIATE and .SECONDARY.
	(remove_intermediates): Don't delete .SECONDARY files.
This commit is contained in:
Roland McGrath 1996-03-20 00:56:52 +00:00
parent b8ea37e31c
commit 8b2aca5930
2 changed files with 50 additions and 4 deletions
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41
file.c
View File

@ -303,7 +303,8 @@ remove_intermediates (sig)
doneany = 0;
for (i = 0; i < FILE_BUCKETS; ++i)
for (f = files[i]; f != 0; f = f->next)
if (f->intermediate && (f->dontcare || !f->precious))
if (f->intermediate && (f->dontcare || !f->precious)
&& !f->secondary)
{
int status;
if (f->update_status == -1)
@ -349,7 +350,8 @@ remove_intermediates (sig)
/* For each dependency of each file, make the `struct dep' point
at the appropriate `struct file' (which may have to be created).
Also mark the files depended on by .PRECIOUS and .PHONY. */
Also mark the files depended on by .PRECIOUS, .PHONY, .SILENT,
and various other special targets. */
void
snap_deps ()
@ -387,6 +389,41 @@ snap_deps ()
f2->last_mtime = (time_t) -1;
}
for (f = lookup_file (".INTERMEDIATE"); f != 0; f = f->prev)
{
/* .INTERMEDIATE with deps listed
marks those deps as intermediate files. */
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
f2->intermediate = 1;
/* .INTERMEDIATE with no deps does nothing.
Marking all files as intermediates is useless
since the goal targets would be deleted after they are built. */
}
for (f = lookup_file (".SECONDARY"); f != 0; f = f->prev)
{
/* .SECONDARY with deps listed
marks those deps as intermediate files
in that they don't get rebuilt if not actually needed;
but unlike real intermediate files,
these are not deleted after make finishes. */
if (f->deps)
{
for (d = f->deps; d != 0; d = d->next)
for (f2 = d->file; f2 != 0; f2 = f2->prev)
f2->intermediate = f2->secondary = 1;
}
/* .SECONDARY with no deps listed marks *all* files that way. */
else
{
int i;
for (i = 0; i < FILE_BUCKETS; i++)
for (f2 = files[i]; f2; f2= f2->next)
f2->intermediate = f2->secondary = 1;
}
}
f = lookup_file (".EXPORT_ALL_VARIABLES");
if (f != 0 && f->is_target)
export_all_variables = 1;

13
file.h
View File

@ -72,6 +72,9 @@ struct file
unsigned int phony:1; /* Nonzero if this is a phony file
i.e., a dependency of .PHONY. */
unsigned int intermediate:1;/* Nonzero if this is an intermediate file. */
/* Nonzero, for an intermediate file,
means remove_intermediates should not delete it. */
unsigned int secondary:1;
unsigned int dontcare:1; /* Nonzero if no complaint is to be made if
this target cannot be remade. */
};
@ -89,11 +92,17 @@ extern void rename_file (), file_hash_enter ();
extern void set_command_state ();
/* Return the mtime of file F (a struct file *), caching it.
The value is -1 if the file does not exist. */
#define file_mtime(f) file_mtime_1 ((f), 1)
/* Return the mtime of file F (a struct file *), caching it.
Don't search using vpath for the file--if it doesn't actually exist,
we don't find it.
The value is -1 if the file does not exist. */
#define file_mtime_no_search(f) file_mtime_1 ((f), 0)
extern time_t f_mtime ();
#define file_mtime_1(f, v) \
((f)->last_mtime != (time_t) 0 ? (f)->last_mtime : f_mtime ((f), v))
#define file_mtime(f) file_mtime_1 ((f), 1)
#define file_mtime_no_search(f) file_mtime_1 ((f), 0)
/* Modtime value to use for `infinitely new'. We used to get the current time
from the system and use that whenever we wanted `new'. But that causes