Minor fix and code rework.

This commit is contained in:
Boris Kolpackov 2009-10-07 09:34:42 +00:00
parent bd2d124f27
commit baee33eb0f
3 changed files with 21 additions and 12 deletions

View file

@ -1,3 +1,10 @@
2009-10-07 Boris Kolpackov <boris@codesynthesis.com>
* read.c (do_undefine): Free the expanded variable name.
* commands.c (dep_hash_cmp, set_file_variables): Move the order-only
to normal upgrade logic from dep_hash_cmp to set_file_variables.
2009-10-06 Boris Kolpackov <boris@codesynthesis.com>
* dep.h (uniquize_deps): Remove.

View file

@ -57,16 +57,7 @@ dep_hash_cmp (const void *x, const void *y)
{
struct dep *dx = (struct dep *) x;
struct dep *dy = (struct dep *) y;
int cmp = strcmp (dep_name (dx), dep_name (dy));
/* If the names are the same but ignore_mtimes are not equal, one of these
is an order-only prerequisite and one isn't. That means that we should
remove the one that isn't and keep the one that is. */
if (!cmp && dx->ignore_mtime != dy->ignore_mtime)
dx->ignore_mtime = dy->ignore_mtime = 0;
return cmp;
return strcmp (dep_name (dx), dep_name (dy));
}
/* Set FILE's automatic variables up. */
@ -74,7 +65,7 @@ dep_hash_cmp (const void *x, const void *y)
void
set_file_variables (struct file *file)
{
const struct dep *d;
struct dep *d;
const char *at, *percent, *star, *less;
#ifndef NO_ARCHIVES
@ -252,7 +243,7 @@ set_file_variables (struct file *file)
/* Make sure that no dependencies are repeated in $^, $?, and $|. It
would be natural to combine the next two loops but we can't do it
because of a situation where we have two dep entries, the first
is order-only and the second is normal (see dep_hash_cmp). */
is order-only and the second is normal (see below). */
hash_init (&dep_hash, 500, dep_hash_1, dep_hash_2, dep_hash_cmp);
@ -264,6 +255,16 @@ set_file_variables (struct file *file)
slot = hash_find_slot (&dep_hash, d);
if (HASH_VACANT (*slot))
hash_insert_at (&dep_hash, d, slot);
else
{
/* Check if the two prerequisites have different ignore_mtime.
If so then we need to "upgrade" one that is order-only. */
struct dep* hd = (struct dep*) *slot;
if (d->ignore_mtime != hd->ignore_mtime)
d->ignore_mtime = hd->ignore_mtime = 0;
}
}
for (d = file->deps; d != 0; d = d->next)

1
read.c
View file

@ -1341,6 +1341,7 @@ do_undefine (char *name, enum variable_origin origin, struct ebuffer *ebuf)
p[1] = '\0';
undefine_variable_global (name, p - name + 1, origin);
free (var);
}
/* Execute a `define' directive.